CN101602105A - Metal-based powder metallurgy brake pad material and preparation method - Google Patents
Metal-based powder metallurgy brake pad material and preparation method Download PDFInfo
- Publication number
- CN101602105A CN101602105A CNA2009100672436A CN200910067243A CN101602105A CN 101602105 A CN101602105 A CN 101602105A CN A2009100672436 A CNA2009100672436 A CN A2009100672436A CN 200910067243 A CN200910067243 A CN 200910067243A CN 101602105 A CN101602105 A CN 101602105A
- Authority
- CN
- China
- Prior art keywords
- powder
- mechanical
- brake pad
- sintering
- graphite
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Images
Landscapes
- Powder Metallurgy (AREA)
Abstract
The invention discloses metal-based powder metallurgy brake pad material and preparation method.The strength of materials is along with ceramic particle adds and problems such as reduction when being intended to overcome prior art production powder metallurgy brake pad material.This material is by components in percentage by weight: Cu-Sn mechanical alloy powder 10-80%, Ti-C mechanical activation powder 1.25-15%, Fe powder 2-65%, Ni powder 0-10%, Cr powder 0-12%, Al
2O
3Powder 2-8% and graphite 7.75-23% form.Wherein Cu-Sn mechanical alloy powder is made through mechanical alloying in advance by Cu powder and Sn powder that the Sn powder accounts for 6-10%; Ti-C mechanical activation powder is made through mechanical activation in advance by 2: 1 to 8: 1 Ti powder and C powder, and forms TiC when sintering.The present invention also provides two kinds of preparation methods that adopt mechanical activation, mechanical alloying to combine with prior powder metallurgy or discharge plasma sintering method.
Description
Technical field
The present invention relates to a kind of friction material, in particular for making the friction material of high-speed train braking brake lining, more particularly, the present invention relates to a kind of ceramic on metal strengthens the powder metallurgy brake pad material and prepares the method that this ceramic on metal is strengthened the powder metallurgy brake pad material.
Background technology
The metal-based powder metallurgy material is iron especially, copper based powder metallurgy material is widely used in the important materials of various friction wear parts, especially copper, iron-based ceramic reinforced powdered metallurgical material is owing to have higher intensity, wear-resistant, coefficient of friction is stable, characteristics such as thermal conductivity is good and become the manufacturing clutch, the critical material of brake, be widely used in automobile, motorcycle, train, among the means of transport manufacturing industry such as aircraft, especially at high-performance brake material manufacture view, ceramic on metal strengthen powdered metallurgical material and C the C composite become the material that is most widely used in the world at present.Wherein the ceramic on metal reinforced composite material is made up of metallic matrix and equally distributed ceramic particle and lubricated granules, the intensity of metallic matrix and content play a major role for the intensity and the toughness of material, and the material of ceramic particle and lubricated granules, character, granularity and content are being controlled the coefficient of friction and the wear extent of material.
Along with developing rapidly of railway traffic, the speed of train, loading capacity also increases sharply, performance for friction braking material has proposed more and more higher requirement, need brake material in proof strength, guarantee the stable of coefficient of friction, reduce wear extent, because braking power is directly proportional with the cube of train speed, therefore for the brake material that uses on the bullet train, the big calorimetric that is produced during braking is just had higher requirement to the heat-conductive characteristic of brake material, the heat-conductive characteristic of brake material is directly connected to the friction stability of brake lining material, thereby conventional resins base brake material restricted its application on bullet train in the inferior position on the heat-conductive characteristic, and heat conductivity can better also just replace resin-based materials to become the first-selection of high-speed train braking material by metal_based material gradually.And because bullet train application more and more widely, the manufacturing cost of brake pad material also becomes an important indicator.Comprehensive various factors, Metal Substrate, especially copper, iron, Al-base ceramic are strengthened the first-selection that powdered metallurgical material just becomes manufacturing high-speed train braking material.
Aspect copper, ferrous based powder metallurgical brake friction material and manufacture method thereof, relevant patent report is arranged all both at home and abroad:
1. the Chinese patent notification number is 1149273, the day for announcing is 2004.05.12, the patent No. is 01115331.8, denomination of invention has been described a kind of friction material and manufacture method thereof for the innovation and creation of " ceramic friction material and the manufacture method that contain steel fibre ", the constituent content of this friction material is: copper powder and glass putty: 53-69%, wherein copper powder is 92: 8 with the glass putty ratio, short steel fibre: the 10-40% that cuts, iron powder: 0-10%, inorganic oxide or mineral: 3-8%, graphite: 5-12%, molybdenum bisuphide: 0-4%.Manufacturing process is the 150-300MPa compacted under, at 700-920 ℃ of sintering 3-8 hour, adopts restitutive protection's atmosphere during sintering, and sintering pressure is 1-2MPa, and with the stove cooling, taking-up and machinery polish and is finished product.
2. the Chinese patent publication number is CN1032195, open day is 1989.04.05, the patent No. is 87106352.2, denomination of invention has been described a kind of friction plate and manufacture method thereof for the innovation and creation of " a kind of friction plate and manufacture method thereof ", the constituent content of this friction plate material is: copper powder: 45-58%, glass putty: 0.5-2%, iron powder: 10-24%, molybdenum powder: 2-5%, manganese powder: 0.6-2.5%, molybdenum bisuphide: 1-3%, graphite: 10-12%, silica: 5-10%, carborundum 1:-3%, aluminium oxide: 1-3%.Manufacturing process is behind the classification batch mixing under 970-1000 ℃ of sintering temperature pressure sintering 2-4 hour.
3. the Chinese patent publication number is CN1257903, open day is 2000.06.28, and the patent No. is 99122593.7, and denomination of invention has been described a kind of friction material made by powder metallurgy for brake for the innovation and creation of " a kind of friction material made by powder metallurgy for brake ", the constituent content of this friction material is: copper powder: 15-30%, glass putty: 3-7%, antimony powder: 0.5-3%, molybdenum disulphide powder: 1-3%, graphite: 6-12%, alumina powder: 1.5-6%, silica powder: 1.5-6%, iron powder surplus.Manufacturing process compacting back under reduction promoting the circulation of qi atmosphere 980-1000 ℃ of following sintering 2 hours.
4. the Chinese patent notification number is 1272454, and the day for announcing is 2006.08.30, and the patent No. is 03126347.X, denomination of invention has been described a kind of friction material and manufacture method thereof for the innovation and creation of " a kind of copper based powder metallurgy friction material ", the constituent content of this friction material is: copper powder: 40-80%, glass putty: 3-10%, iron powder: 2-20%, aluminium powder: 2-10%, carborundum: 1-3%, four boron monoxides: 1-3%, graphite: 1-15%, lead powder 〉=0-10%, molybdenum bisuphide: 2-10%.Barium powder: 5-20%, manganese powder: 0-2%, magnesium powder: 0-2%, bifluoride calcium: 0-2%.Manufacturing process is under 950-1050 ℃ of sintering temperature pressure sintering 1.5-2 hour.
5. the Chinese patent notification number is 100467659, the day for announcing is 2009.03.11, and the patent No. is 200610134187.X, and denomination of invention has been described a kind of copper base particle reinforced friction material for the innovation and creation of " a kind of copper base particle reinforced friction material ", the constituent content of this friction material is: copper powder: 30-70%, glass putty: 4-11%, aluminium powder: 1-15%, iron powder: 5-18%, aluminium oxide: 2-15%, silica: 2-15%, ferrochrome: 0-15%, graphite: 5-20%.Manufacturing process for adopt bell jar stove pressure sintering method under reduction promoting the circulation of qi atmosphere at 780-880 ℃ of following sintering 40-60 minute, sintering pressure 1-2MPa, or adopt the straight heating and mould pressing sinter molding of electric current method under vacuum condition at 750-900 ℃ of following sintering 3-5 minute, sintering pressure is 10-50MPa.
The patent of having reported more as can be known, the preparation technology of the friction material of mentioning in these patents directly adds ceramic particle in starting powder, because the fusing point of ceramic particle is generally higher, and the wetability between the parent metal is often not good yet, in sintering process, be difficult for forming effective metallurgical binding with parent metal, thereby the method for directly adding ceramic particle for tradition, the final strength of material tends to reduce along with the interpolation of ceramic particle, in order to guarantee the intensity of friction material, just must adopt higher sintering temperature and certain sintering pressure, cause production cost to increase, directly increase production cost, and limited the selection and the addition of ceramic particle.
Summary of the invention
Technical problem to be solved by this invention is to overcome conventional method the final strength of friction material tends to that interpolation along with the ceramic particle amount reduces and causes production cost to increase and limited the problem of the range of choice of ceramic particle component content with regard to adopting higher sintering temperature and certain sintering pressure for the intensity that guarantees friction material by direct interpolation ceramic particle.Provide a kind of by directly adding ceramic particle but the ceramic on metal that forms TiC in sintering process is strengthened the powder metallurgy brake pad material.Also provide simultaneously two kinds to prepare the method that this ceramic on metal is strengthened the powder metallurgy brake pad material.
For solving the problems of the technologies described above, the present invention adopts following technical scheme: the metal-based powder metallurgy brake pad material is by the component Cu powder of counting by weight percentage: 10-70%, Fe powder: 2-65%, Sn powder: 1-10%, Ni powder: 0-10%, Cr powder: 0-12%, Ti powder: 1-12%, Al
2O
3Powder: 2-8% and graphite: 8-25% forms.
Metal-based powder metallurgy brake pad material described in the technical scheme is by the component Cu-Sn mechanical alloy powder of counting by weight percentage: 10-80%, Ti-C mechanical activation powder: 1.25-15%, Fe powder: 2-65%, Ni powder: 0-10%, Cr powder: 0-12%, Al
2O
3Powder: 2-8% and graphite: 7.75-23% forms; Described Cu-Sn mechanical alloy powder is the Cu-Sn mechanical alloy powder of being made through mechanical alloying in advance by Cu powder that accounts for 6-10% according to percentage by weight Sn powder and Sn powder.Ti-C mechanical activation powder is to make Ti-C mechanical activation powder high activity and form TiC in sintering process through mechanical activation in advance by the Ti powder and the graphite that are 2: 1 to 8: 1 according to percentage by weight.
A kind of method for preparing the metal-based powder metallurgy brake pad material, this method may further comprise the steps:
1. will be that the Cu powder of 6-10% and the Sn powder adopts ball milling in ball mill mode are made Cu-Sn mechanical alloy powder through mechanical alloying according to percentage by weight Sn powder content, drum's speed of rotation is 200-500 rev/min, 5-20 hour ball milling time, ratio of grinding media to material 20: 1.
2. will be 2: 1 to 8: 1 Ti powder and graphite are made high activity through mechanical activation in the mode that adopts ball milling in the ball mill the Ti-C mechanical activation powder that in sintering process, can form TiC according to weight ratio, drum's speed of rotation is 200-500 rev/min, 3-15 hour ball milling time, ratio of grinding media to material 20: 1.
3. with the component Cu-Sn mechanical alloy powder of counting by weight percentage: 10-80%, Ti-C mechanical activation powder: 1.25-15%, Fe powder: 2-65%, Ni powder: 0-10%, Cr powder: 0-12%, Al
2O
3Powder: 2-8% and graphite: 7.75-23% packs into and mixed powder 1-2 hour in the ball mill, and drum's speed of rotation is 100-200 rev/min.
4. will in the 3rd step, cold pressing by mixed powder, adopt the pressing pressure of 300-900MPa, and cold pressing and made the base of colding pressing in 0.5-2 minute.
5. be vacuum, reducing atmosphere, inert atmosphere or cover under the condition of graphite reduction powder in sintering atmosphere, the base under the pressure of 0-4MPa sintering 0.5-3 hour of will colding pressing, sintering temperature is 780-1130 ℃.
Second kind of method for preparing power metal-based powder metallurgy brake pad material, this method may further comprise the steps:
1. will be that the Cu powder of 6%-10% and the Sn powder adopts ball milling in ball mill mode form Cu-Sn mechanical alloy powder through mechanical alloying according to percentage by weight Sn powder content, drum's speed of rotation is 200-500 rev/min, the ball milling time is 5-20 hour, ratio of grinding media to material 20: 1.
2. will be 2: 1 to 8: 1 Ti powder and graphite are made high activity through mechanical activation in the mode that adopts ball milling in the ball mill the Ti-C mechanical activation powder that in sintering process, can form TiC according to weight ratio, drum's speed of rotation is 200-500 rev/min, the ball milling time is 3-15 hour, ratio of grinding media to material 20: 1.
3. with the component Cu-Sn mechanical alloy powder of counting by weight percentage: 10-80%, Fe powder: 2-65%, Ni powder: 0-10%, Cr powder: 0-12%, Ti-C mechanical activation powder: 1.25-15%, Al
2O
3Powder: 2-8% and graphite: 7.75-23% packs into and mixed powder 0.5-10 hour in the ball mill, and drum's speed of rotation is 200-500 rev/min.
4. adopt discharge plasma sintering method that the mixed-powder through the 3rd step is carried out sintering on discharging plasma sintering equipment, sintering mold adopts graphite jig, sintering temperature is 450-980 ℃, programming rate is 50-300 ℃/minute, sintering pressure 5-75Mpa, temperature retention time 1-20 minute, make the pressed compact of powder metallurgy brake pad material.
Compared with prior art the invention has the beneficial effects as follows:
1. ceramic on metal reinforcement powder metallurgy brake pad material of the present invention and preparation method compare with method with same type of material has outstanding feature; except that the material property aspect was good, material composition was simple, did not exist as lead; the composition that asbestos etc. are harmful to health helps environmental protection.
2. in first method, by Ti and the formed TiC ceramic particle of C is generated in-situ in sintering process, the reaction of the Ti+C → TiC that takes place in the part in the sintering process can discharge a large amount of heats, near the conversion zone component is melted rapidly, and because very tiny through the Ti-C of mechanical activation mechanical activation powder, conversion zone is also very little, though course of reaction is very violent, but the heat that reaction is discharged also transmits rapidly towards periphery, therefore the component of fusing is also solidified rapidly, can combine in formation excellent metallurgical between matrix and the TiC ceramic particle.In the second approach, carry out sintering owing to adopt discharge plasma sintering (SPS) method with activation, therefore can obtain intensity density height, the friction material of even tissue, because this kind method can form the good interface combination at metallic matrix and ceramic particle in sintering process, in wear process, can form the three-body-abrasion situation rapidly and reduce coming off of ceramic particle effectively, the coefficient of friction of stabilizing material, thereby reduce the wear rate of material effectively, improve the service life of material.
3. ceramic on metal of the present invention strengthens the powder metallurgy brake pad material and the preparation method can effectively solve the problem that the strength of materials reduces along with the ceramic particle interpolation in the existing technology, can enlarge the range of choice of ceramic composition content simultaneously to a great extent.Because the first method that is proposed in this patent does not rely on and improves the gentle sintering pressure of sintering and guarantee metallurgical binding between the component, and guarantees the intensity of moving brake lining material.Therefore, first method can reduce sintering temperature and sintering pressure effectively, reduces production costs.The present invention proposes further controlled material composition of second method, adjusts the coefficient of friction and the intensity of material, prepares the brake pad material that uses under the suitable various conditions.
4. the ultra-fine ceramic particle in process of friction and wear of the friction material in ceramic on metal reinforcement powder metallurgy brake pad material of the present invention and preparation method can form the trisome in the wearing and tearing rapidly in other ceramic particle pinning positions in process of friction and wear, and this three-body-abrasion can effectively reduce the wear rate of material, guarantees the stability of coefficient of friction; The heat that metallic matrix both can conduct braking fast and produced, the high temperature that can tolerate in the braking procedure again to be produced, thus satisfy the high-speed friction condition for coefficient of friction, wear extent, and the requirement of high temperature tolerance, be more suitable for making speed per hour 250-300 kilometer high-speed train braking brake lining.
Description of drawings
The present invention is further illustrated below in conjunction with accompanying drawing:
Fig. 1 is the X ray diffracting spectrum of the Ti-C mechanical activation powder behind the process mechanical activation in metal-based powder metallurgy brake pad material of the present invention and preparation method thereof.
Fig. 2 is the X ray diffracting spectrum of the Cu-Sn mechanical alloy powder after the process mechanical alloying in metal-based powder metallurgy brake pad material of the present invention and preparation method thereof.
The picture of the ceramic on metal reinforcement powder metallurgy brake pad material microscopic structure that Fig. 3 is provided for 10% time when Ti-C mechanical activation powder content for to adopt first method in metal-based powder metallurgy brake pad material of the present invention and preparation method thereof be embodiment 1.
The picture of the ceramic on metal reinforcement powder metallurgy brake pad material microscopic structure that Fig. 4 is provided for 1.25% time when Ti-C mechanical activation powder content for to adopt first method in metal-based powder metallurgy brake pad material of the present invention and preparation method thereof be embodiment 5.
The picture of the ceramic on metal reinforcement powder metallurgy brake pad material microscopic structure that Fig. 5 is provided for 15% time when Ti-C mechanical activation powder content for to adopt second method in metal-based powder metallurgy brake pad material of the present invention and preparation method thereof be embodiment 7.
Fig. 6 strengthens the coefficient of friction test result curve map of powder metallurgy brake pad material under different specific pressures for the ceramic on metal that embodiment 1 to embodiment 7 in metal-based powder metallurgy brake pad material of the present invention and preparation method thereof is provided.
Fig. 7 is the process flow diagram of the first method of preparation metal-based powder metallurgy brake pad material of the present invention.
Fig. 8 is the process flow diagram of the second method of preparation metal-based powder metallurgy brake pad material of the present invention.
The specific embodiment
Below in conjunction with accompanying drawing the present invention is explained in detail:
The objective of the invention is to overcome conventional method by direct interpolation ceramic particle the final strength of friction material tend to that interpolation along with ceramic particle reduces and for the intensity that guarantees friction material with regard to adopting higher sintering temperature and certain sintering pressure and cause production cost to increase and having limited the selection of ceramic particle and the problem of addition, provide a kind of new ceramic on metal to strengthen the powder metallurgy brake pad material.Not by direct interpolation ceramic particle but design one group of powder metallurgy component that comprises Ti powder and graphite, Ti powder and graphite can form our needed TiC naturally in sintering process when making brake pad material.The composition of this kind brake pad material is simple simultaneously, no harmful components, and sintering temperature is lower, and the time is short, and agglomerating plant is simple, can realize low pressure or pressureless sintering, and it is big to make the strength of materials, and endurance has stable coefficient of friction and low wear rate.The present invention also provides two kinds to prepare the method that this ceramic on metal is strengthened the powder metallurgy brake pad material.
The ceramic on metal that the present invention is provided is to achieve these goals strengthened the powder metallurgy brake pad material by Cu, Sn, Fe, Ni, Cr, Ti, Al
2O
3And graphite is formed.Each component according to the content that percentage by weight calculates is: Cu powder: 10-70%, Fe powder: 2-65%, Sn powder: 1-10%, Ni powder: 0-10%, Cr powder: 0-12%, Ti powder: 1-12%, Al
2O
3Powder: 2-8%, graphite: 8-25%.
For obtaining having the stable coefficient of friction and the brake pad material of low wear rate, strengthen on the basis of powder metallurgy brake pad material constituent content (prescription) at the ceramic on metal of selected (design), mix and make before the base of colding pressing in each component in other words, at first will do two work:
1. prepare Cu-Sn mechanical alloy powder
The Cu powder is mixed in ball mill with the Sn powder, the content that is about to according to percentage by weight Sn powder is 6%-10%, the Cu powder content is that 90%-94% is placed in the ball mill and mixes, the rotating speed of ball mill is 200-500 rev/min, the ball milling time is 5-20 hour, ratio of grinding media to material 20: 1 is made needed Cu-Sn mechanical alloy powder.
2. prepare Ti-C mechanical activation powder
The Ti powder is mixed in ball mill with graphite powder (C), soon be that 2: 1 to 8: 1 Ti powder and graphite powder are placed in the ball mill and mix by weight percentage, the rotating speed of ball mill is 200-500 rev/min, the ball milling time is 3-15 hour, ratio of grinding media to material 20: 1 is made the Ti-C mechanical activation powder that forms TiC in the sintering process high activity and afterwards.
With Cu-Sn mechanical alloy powder and each word of Ti-C mechanical activation powder of making as a component, so, ceramic on metal reinforcement powder metallurgy brake pad material also can be described as by the component of counting by weight percentage: Cu-Sn mechanical alloy powder: 10-80%, Ti-C mechanical activation powder: 1.25-15%, Fe powder: 2-65%, Ni powder: 0-10%, Cr powder: 0-12%, Al
2O
3Powder: 2-8% and graphite: 7.75-23% forms.Then, with Cu-Sn mechanical alloy powder: 10-80%, Ti-C mechanical activation powder: 1.25-15%, Fe powder: 2-65%, Ni powder: 0-10%, Cr powder: 0-12%, Al
2O
3Powder: 2-8% and graphite: 7.75-23% pack into mix powder in the ball mill, cold pressing make the base of colding pressing, will cold pressing base sintering and polishing, finally make the ceramic on metal that is applied on the vehicle on the bullet train particularly and strengthen the powder metallurgy brake pad material.
Two kinds provided by the present invention prepare the method that this ceramic on metal is strengthened the powder metallurgy brake pad material, are to adopt mechanical activation, mechanical alloying and prior powder metallurgy or discharge plasma sintering (SPS) method process combined method.
Consult Fig. 7, the first method key step comprises mechanical activation-mechanical alloying-raw material mixing-compacting-operations such as sintering:
Choosing each component of (design) brake pad material according to the content that percentage by weight calculates is: Cu powder: 10-70%, Fe powder: 2-65%, Sn powder: 1-10%, Ni powder: 0-10%, Cr powder: 0-12%, Ti powder: 1-12%, Al
2O
3Powder: 2-8%, graphite: 8-25%.On this basis:
1. adopt the mode in ball mill, carry out ball milling to being that Cu and the Sn mixed-powder of 6%-10% (Cu content is 90%-94%) carries out mechanical alloying according to weight ratio Sn content, the rotating speed of ball mill is 200-500 rev/min in the alloying process, the ball milling time is 5-20 hour, ratio of grinding media to material 20: 1.
2. adopt the mode in ball mill, carry out ball milling to according to weight ratio being the Ti-C mechanical activation powder that in sintering process, can form TiC naturally that 2: 1 to 8: 1 Ti powder and graphite activated and formed high activity, the ball milling speed of described ball mill is 200-500 rev/min, the ball milling time is 3-15 hour, ratio of grinding media to material 20: 1.
3. the component that the powder metallurgy brake pad material is counted by weight percentage: Cu-Sn mechanical alloy powder: 10-80%, Fe powder: 2-65%, Ni powder: 0-10%, Cr powder: 0-12%, Ti-C mechanical activation powder: 1.25-15%, Al
2O
3Powder: 2-8% and graphite: 7.75-23% packs into and mixed powder 1-2 hour in the ball mill, and described ball milling speed is 100-200 rev/min;
4. the powder that the powder metallurgy brake pad material is mixed is by weight percentage colded pressing, and the pressing pressure scope is 300-900MPa, colds pressing 0.5-2 minute, makes the base of colding pressing;
5. the base of will colding pressing is 780-1130 ℃ in sintering temperature, and sintering pressure is 0-4MPa, and sintering time (temperature retention time) is 0.5-3 hour, and sintering atmosphere is reproducibility powder such as vacuum, reducing atmosphere, inert atmosphere or covering graphite.
6. the powder metallurgy brake pad material behind the sintering is polished to remove the oxide skin of material surface, finally make ceramic on metal and strengthen the powder metallurgy brake pad material.Powder metallurgy brake pad material typical microstructures as shown in Figure 3.
Consult Fig. 8, the second method key step comprises that mechanical activation-mechanical alloying-raw material mixes-utilize operations such as plasma discharging method sintering.The second method programming rate is fast, can improve metallic matrix effectively by the discharge plasma sintering (SPS) with activation and combine with interface between the ceramic reinforced particle.This method is the same with first method, and to access intensity bigger, and endurance has the powder metallurgy brake pad material of stable coefficient of friction and low wear rate.
The second method key step:
Choosing each component of (design) brake pad material equally according to the content that percentage by weight calculates is: Cu powder: 10-70%, Fe powder: 2-65%, Sn powder: 1-10%, Ni powder: 0-10%, Cr powder: 0-12%, Ti powder: 1-12%, Al
2O
3Powder: 2-8%, graphite: 8-25%.On this basis:
1. adopt the mode in ball mill, carry out ball milling to being that Cu powder and the Sn powder of 6%-10% (Cu content is 90%-94%) carries out mechanical alloying according to percentage by weight Sn content, the rotating speed of ball mill is that 200-500 is rev/min in the alloying process, the ball milling time is 5-20 hour, ratio of grinding media to material 20: 1.
2. adopt the mode in ball mill, carry out ball milling to according to percentage by weight being the Ti-C mechanical activation powder that in sintering process, can form TiC that 2: 1 to 8: 1 Ti powder and graphite activated and formed high activity, the rotating speed of ball mill is 200-500 rev/min, the ball milling time is 3-15 hour, ratio of grinding media to material 20: 1.
3. the component Cu-Sn mechanical alloy powder of the powder metallurgy brake pad material being counted by weight percentage: 10-80%, Fe powder: 2-65%, Ni powder: 0-10%, Cr powder: 0-12%, Ti-C mechanical activation powder: 1.25-15%, Al
2O
3Powder: 2-8% and graphite: 7.75-23% packs into and mixed powder 0.5-10 hour in the ball mill, and the rotating speed of ball mill is 200-500 rev/min.
4. adopt discharge plasma sintering method that the mixed-powder through the 3rd step is carried out sintering on discharging plasma sintering equipment, sintering mold adopts graphite jig, sintering range is 450-980 ℃, programming rate is 50-300 ℃/minute, sintering pressure 5-75Mpa, temperature retention time 1-20 minute, make the pressed compact of powder metallurgy brake pad material.
5. the pressed compact of the powder metallurgy brake pad material behind the sintering is polished to remove the oxide skin of material surface, finally make ceramic on metal and strengthen the powder metallurgy brake pad material.
The typical microstructures of the powder metallurgy brake pad material that the employing second method is made as shown in Figure 5.
Below in conjunction with specific embodiment ceramic on metal reinforcement powder metallurgy brake pad material of the present invention and preparation method are further described:
1. brake pad material of the present invention each constituent content by weight percentage is: the Cu powder: Sn powder 54%: graphite 6%: Fe powder 21%: Ti powder 3%: Al 8%,
2O
3Powder: Ni powder 6%: 1% and the Cr powder: 1%.
2. consult Fig. 1, with weight ratio be 4: 1 Ti powder and graphite promptly 8% Ti powder and 2% graphite in horizontal planetary formula ball mill, carry out mechanical activation, speed is 500 rev/mins, soak time is 10 hours, makes Ti-C mechanical activation powder: 10%.What represent among the figure is the exemplary x-ray diffracting spectrum of the Ti-C mechanical activation powder made.
3. consult Fig. 2, with weight ratio be 9: 1 Cu powder and Sn powder promptly 54% Cu powder and 6% Sn powder in horizontal planetary formula ball mill, carry out mechanical alloying, speed is 500 rev/mins, soak time is 10 hours, makes Cu-Sn mechanical alloy powder: 60%.What represent among the figure is the exemplary x-ray diffracting spectrum of the Cu-Sn mechanical alloy powder made.
After making the Cu-Sn mechanical alloy powder of 10% Ti-C mechanical activation powder and 60%, brake pad material of the present invention each constituent content by weight percentage becomes: Cu-Sn mechanical alloy powder: Ti-C mechanical activation powder 60%: graphite 10%: Al 19%,
2O
3Powder: Fe powder 6%: Ni powder 3%: 1% and the Cr powder: 1%.
4. with Cu-Sn mechanical alloy powder: Ti-C mechanical activation powder 60%: graphite 10%: Al 19%,
2O
3: Fe powder 6%: Ni powder 3%: 1% and the Cr powder: 1% packs into mixed powder 2 hours in the ball mill, and rotating speed is 200 rev/mins.
5. mixed powder is put into cold stamping die, compacting is 1 minute under 800MPa pressure, makes the blank of colding pressing.
6. the blank of will colding pressing is put into sintering furnace, and sintering pressure is zero, uses graphite and alumina powder to cover and 830 ℃ of following sintering 1 hour, is repaired after the cooling.
Consult Fig. 3 and Fig. 6, Fig. 3 adopts first method and the picture of the brake pad material microscopic structure that makes when Ti-C mechanical activation powder content is 10%, and brake pad material hardness is Hv90, and density is 4.56g/cm
3On GG-2000 type friction wear testing machine, the brake pad material that makes is carried out friction-wear test, the coefficient of friction that records ceramic on metal reinforcement powder metallurgy brake pad material of the present invention under different specific pressures is 0.41-0.48, shown in the 1st curve among Fig. 6, the average abrasion amount is 0.16-0.21cm
3/ MJ.
1. brake pad material of the present invention each constituent content by weight percentage is: the Cu powder: Sn powder 54%: graphite 6%: Fe powder 21%: Ti powder 3%: Al 8%,
2O
3Powder: Ni powder 6%: 1% and the Cr powder: 1%.
2. with weight ratio be 8: 1 Ti powder and graphite promptly 8% Ti powder and 1% graphite in horizontal planetary formula ball mill, carry out mechanical activation, speed is 500 rev/mins, soak time is 10 hours, makes Ti-C mechanical activation powder: 9%.
3. with weight ratio be 9: 1 Cu powder and Sn powder promptly 54% Cu powder and 6% Sn powder in horizontal planetary formula ball mill, carry out mechanical alloying, speed is 500 rev/mins, soak time is 10 hours, makes Cu-Sn mechanical alloy powder: 60%.
After making the Cu-Sn mechanical alloy powder of 9% Ti-C mechanical activation powder and 60%, brake pad material of the present invention each constituent content by weight percentage becomes: Cu-Sn mechanical alloy powder: Ti-C mechanical activation powder 60%: graphite 9%: Al 20%,
2O
3Powder: Fe powder 6%: Ni powder 3%: 1% and the Cr powder: 1%.
4. with Cu-Sn mechanical alloy powder: Ti-C mechanical activation powder 60%: graphite 9%: Al 20%,
2O
3Powder: 6, Fe powder: Ni powder 3%: 1% and the Cr powder: 1% packs into mixed powder 2 hours in the ball mill, and rotating speed is 200 rev/mins.
5. mixed powder is put into cold stamping die, compacting is 1 minute under 800MPa pressure, makes the blank of colding pressing.
6. the blank of will colding pressing is put into sintering furnace, and sintering pressure is zero, uses graphite and alumina powder to cover and 830 ℃ of following sintering 1 hour, is repaired after the cooling.
Consult Fig. 6, the brake pad material hardness that adopts first method also to make when Ti-C mechanical activation powder content is 9% is Hv78, and density is 4.56g/cm
3On GG-2000 type friction wear testing machine, the brake pad material that makes is carried out friction-wear test, the coefficient of friction that records ceramic on metal reinforcement powder metallurgy brake pad material of the present invention under different specific pressures is 0.29-0.4, shown in the 2nd curve among Fig. 6, the average abrasion amount is 0.28-0.33cm
3/ MJ.
1. brake pad material of the present invention each constituent content by weight percentage is: the Cu powder: Sn powder 54%: graphite 6%: Fe powder 21%: Ti powder 3%: Al 8%,
2O
3Powder: Ni powder 6%: 1% and the Cr powder: 1%.
2. with weight ratio be 6: 1 Ti powder and graphite promptly 8% Ti powder and 1.33% graphite in horizontal planetary formula ball mill, carry out mechanical activation, speed is 500 rev/mins, soak time is 10 hours, makes Ti-C mechanical activation powder: 9.33%.
3. with weight ratio be 9: 1 Cu powder and Sn powder promptly 54% Cu powder and 6% Sn powder in horizontal planetary formula ball mill, carry out mechanical alloying, speed is 500 rev/mins, soak time is 10 hours, makes Cu-Sn mechanical alloy powder: 60%.
After making the Cu-Sn mechanical alloy powder of 9.33% Ti-C mechanical activation powder and 60%, brake pad material of the present invention each constituent content by weight percentage becomes: Cu-Sn mechanical alloy powder: Ti-C mechanical activation powder 60%: graphite 9.33%: Al 19.67%,
2O
3Powder: Fe powder 6%: Ni powder 3%: 1% and the Cr powder: 1%.
4. with Cu-Sn mechanical alloy powder: Ti-C mechanical activation powder 60%: graphite 9.33%: Al 19.67%,
2O
3Powder: Fe powder 6%: Ni powder 3%: 1% and the Cr powder: 1% packs into mixed powder 2 hours in the ball mill, and rotating speed is 200 rev/mins.
5. mixed powder is put into cold stamping die, compacting is 1 minute under 800MPa pressure, makes the blank of colding pressing.
6. the blank of will colding pressing is put into sintering furnace, and sintering pressure is zero, uses graphite and alumina powder to cover and 830 ℃ of following sintering 1 hour, is repaired after the cooling.
Consult Fig. 6, the brake pad material hardness that adopts first method also to make when Ti-C mechanical activation powder content is 9.33% is Hv86, and density is 4.56g/cm
3On GG-2000 type friction wear testing machine, the brake pad material that makes is carried out friction-wear test, the coefficient of friction that records ceramic on metal reinforcement powder metallurgy brake pad material of the present invention under different specific pressures is 0.33-0.45, shown in the 3rd curve among Fig. 6, the average abrasion amount is 0.25-0.31cm
3/ MJ.
1. brake pad material of the present invention each constituent content by weight percentage is: the Cu powder: Sn powder 54%: graphite 6%: Fe powder 21%: Ti powder 3%: Al 8%,
2O
3Powder: Ni powder 6%: 1% and the Cr powder: 1%.
2. with weight ratio be 2: 1 Ti powder and graphite promptly 8% Ti powder and 4% graphite in horizontal planetary formula ball mill, carry out mechanical activation, speed is 500 rev/mins, soak time is 10 hours, makes Ti-C mechanical activation powder: 12%.
3. with weight ratio be 9: 1 Cu powder and Sn powder promptly 54% Cu powder and 6% Sn powder in horizontal planetary formula ball mill, carry out mechanical alloying, speed is 500 rev/mins, soak time is 10 hours, makes Cu-Sn mechanical alloy powder: 60%.
After making the Cu-Sn mechanical alloy powder of 12% Ti-C mechanical activation powder and 60%, brake pad material of the present invention each constituent content by weight percentage becomes: the Cu-Sn alloyed powder: Ti-C mechanical activation powder 60%: graphite powder 12%: Al 17%,
2O
3Powder: Fe powder 6%: Ni powder 3%: Cr powder 1%: 1%.
4. with Cu-Sn mechanical alloy powder: Ti-C mechanical activation powder 60%: graphite powder 12%: Al 17%,
2O
3Powder: Fe powder 6%: Ni powder 3%: Cr powder 1%: 1% packs into mixed powder 2 hours in the ball mill, and rotating speed is 200 rev/mins.
5. mixed powder is put into cold stamping die, compacting is 1 minute under 800MPa pressure, is made for the blank of colding pressing.
6. the blank of will colding pressing is put into sintering furnace, and sintering pressure is zero, uses graphite and alumina powder to cover and 830 ℃ of following sintering 1 hour, is repaired after the cooling.
Consult Fig. 6, the brake pad material hardness that adopts first method also to make when Ti-C mechanical activation powder content is 12% is Hv94, and density is 4.56g/cm
3On GG-2000 type friction wear testing machine, the brake pad material that makes is carried out friction-wear test, the coefficient of friction that records ceramic on metal reinforcement powder metallurgy brake pad material of the present invention under different specific pressures is 0.41-0.5, shown in the 4th curve among Fig. 6, the average abrasion amount is 0.14-0.26cm
3/ MJ.
1. brake pad material of the present invention each constituent content by weight percentage is: the Cu powder: Sn powder 60.3%: graphite 6.7%: Fe powder 21%: Ti powder 3%: Al 1%,
2O
3Powder: Ni powder 6%: Cr powder 1%: 1%.
2. be that 4: 1 i.e. 1% Ti powder and 0.25% graphite carry out mechanical activation with weight ratio in horizontal planetary formula ball mill, speed is 500 rev/mins, and soak time is 10 hours, makes Ti-C mechanical activation powder: 1.25%.
3. be that 9: 1 i.e. 60.3% Cu powder and 6.7% Sn powder carry out mechanical alloying with weight ratio in horizontal planetary formula ball mill, speed is 500 rev/mins, and soak time is 10 hours, makes Cu-Sn mechanical alloy powder: 67%.
After making the Cu-Sn mechanical alloy powder of 1.25% Ti-C mechanical activation powder and 67%, brake pad material of the present invention each constituent content by weight percentage becomes: the Cu-Sn alloyed powder: Ti-C mechanical activation powder 67%: graphite powder 1.25%: Al 20.75%,
2O
3Powder: Fe powder 6%: Ni powder 3%: Cr powder 1%: 1%.
4. with the Cu-Sn alloyed powder: Ti-C mechanical activation powder 67%: graphite powder 1.25%: Al 20.75%,
2O
3Powder: Fe powder 6%: Ni powder 3%: Cr powder 1%: 1% packs into mixed powder 2 hours in the ball mill, and rotating speed is 200 rev/mins.
5. mixed powder is put into cold stamping die, compacting is 1 minute under 800MPa pressure, is made for the blank of colding pressing.
6. the blank of will colding pressing is put into sintering furnace, and sintering pressure is zero, uses graphite and alumina powder to cover and 830 ℃ of following sintering 1 hour, is repaired after the cooling.
Consult Fig. 4 and Fig. 6, Fig. 4 adopts first method and the picture of the brake pad material microscopic structure that makes when Ti-C mechanical activation powder content is 1.25%, and the brake pad material hardness that makes is Hv86, and density is 4.56g/cm
3On GG-2000 type friction wear testing machine, the brake pad material that makes is carried out friction-wear test, the coefficient of friction that records ceramic on metal reinforcement powder metallurgy brake pad material of the present invention under the different specific pressures of difference is 0.27-0.39, shown in the 5th curve among Fig. 6, the average abrasion amount is 0.58-0.67cm
3/ MJ.
1. brake pad material of the present invention each constituent content by weight percentage is: the Cu powder: Sn powder 57.6%: graphite 6.4%: Fe powder 21%: Ti powder 3%: Al 4%,
2O
3Powder: Ni powder 6%: Cr powder 1%: 1%.
2. be that 4: 1 i.e. 4% Ti powder and 1% graphite carry out mechanical activation with weight ratio in horizontal planetary formula ball mill, speed is 500 rev/mins, and soak time is 10 hours, makes Ti-C mechanical activation powder: 5%.
3. be that 9: 1 i.e. 57.6% Cu powder and 6.4% Sn powder carry out mechanical alloying with weight ratio in horizontal planetary formula ball mill, speed is for being 500 rev/mins, and soak time is 10 hours, makes Cu-Sn mechanical alloy powder: 64%.
After making the Cu-Sn mechanical alloy powder of 5% Ti-C mechanical activation powder and 64%, brake pad material of the present invention each constituent content by weight percentage becomes: the Cu-Sn alloyed powder: Ti-C mechanical activation powder 64%: graphite powder 5%: Al 20%,
2O
3Powder: Fe powder 6%: Ni powder 3%: Cr powder 1%: 1%.
4. with the Cu-Sn alloyed powder: Ti-C mechanical activation powder 64%: graphite powder 5%: Al 20%,
2O
3Powder: Fe powder 6%: Ni powder 3%: Cr powder 1%: 1% packs into mixed powder 2 hours in the ball mill, and rotating speed is 200 rev/mins.
5. mixed powder is put into cold stamping die, compacting is 1 minute under 800MPa pressure, is made for the blank of colding pressing.
6. the blank of will colding pressing is put into sintering furnace, and sintering pressure is zero, uses graphite and alumina powder to cover and 830 ℃ of following sintering 1 hour, is repaired after the cooling.
Consult Fig. 6, the brake pad material hardness that adopts first method also to make when Ti-C mechanical activation powder content is 5% is Hv86, and density is 4.56g/cm
3On GG-2000 type friction wear testing machine, the brake pad material that makes is carried out friction-wear test, the coefficient of friction that records ceramic on metal reinforcement powder metallurgy brake pad material of the present invention under different specific pressures is 0.27-0.42, shown in the 6th curve among Fig. 6, the average abrasion amount is 0.27-0.42cm
3/ MJ.
Embodiment 7
1. brake pad material of the present invention each constituent content by weight percentage is: the Cu powder: Sn powder 51%: graphite 5%: Fe powder 22%: Ti powder 2%: Al 12%,
2O
3Powder: Ni powder 6%: 1% and the Cr powder: 1%.
2. with weight ratio be 4: 1 Ti powder and graphite promptly 12% Ti powder and 3% graphite in horizontal planetary formula ball mill, carry out mechanical activation, speed is 500 rev/mins, soak time is 10 hours, makes Ti-C mechanical activation powder: 15%.
3. be that 9: 1 50.4% Cu powder and 5.6% Sn powder carry out mechanical alloying with weight ratio in horizontal planetary formula ball mill, speed is 500 rev/mins, and soak time is 10 hours, makes Cu-Sn mechanical alloy powder: 56%.
After making the Cu-Sn mechanical alloy powder of 10% Ti-C mechanical activation powder and 56%, brake pad material of the present invention each constituent content by weight percentage becomes: the Cu-Sn alloyed powder: Ti-C mechanical activation powder 56%: graphite 15%: Al 19%,
2O
3Powder: Fe powder 6%: Ni powder 2%: Cr powder 1%: 1%.
4. with the Cu-Sn alloyed powder: Ti-C mechanical activation powder 56%: graphite 15%: Al 19%,
2O
3Powder: Fe powder 6%: Ni powder 2%: Cr powder 1%: 1% packs into mixes powder in the horizontal planetary formula ball mill, and ball milling speed is 500 rev/mins, and the ball milling time is 5 hours.
5. the powder that will mix behind the powder carries out sintering on discharging plasma sintering equipment, sintering temperature is 800 ℃, 60 ℃/minute of programming rates, and sintering pressure 30MPa, temperature retention time 3 minutes is repaired after the cooling.
Consult Fig. 5 and Fig. 6, Fig. 5 adopts second method and the picture of the brake pad material microscopic structure that makes when Ti-C mechanical activation powder content is 15%, and brake pad material hardness is Hv140-160, and density is 5.37g/cm
3On GG-2000 type friction wear testing machine, the brake pad material that makes is carried out friction-wear test, the coefficient of friction that records ceramic on metal reinforcement powder metallurgy brake pad material of the present invention under different specific pressures is 0.32-0.36, shown in the 7th curve among Fig. 6, the average abrasion amount is 0.06-0.11cm
3/ MJ.
Embodiment 8
1. brake pad material of the present invention each components contents by weight percentage is: the Cu powder: Sn powder 9%: graphite 1%: Fe powder 22%: Ti powder 51%: Ni powder 8%: Cr powder 1%: Al 1%,
2O
3Powder: 7%.
2. with weight ratio be 4: 1 Ti powder and graphite promptly 8% Ti and 2% graphite on horizontal planetary formula ball mill, carry out mechanical activation, speed is 500 rev/mins, soak time is 10 hours, makes Ti-C mechanical activation powder: 10%.
3. with weight ratio be 9: 1 be that 9%Cu powder and 1%Sn powder carry out mechanical alloying on horizontal planetary formula ball mill, speed is 500 rev/mins, soak time is 10 hours, makes Cu-Sn mechanical alloy powder: 10%.
After making the Cu-Sn mechanical alloy powder of 10% Ti-C mechanical activation powder and 10%, brake pad material of the present invention each constituent content by weight percentage becomes: Cu-Sn mechanical alloy powder: Ti-C mechanical activation powder 10%: graphite 10%: Al 20%,
2O
3: 7%, Fe:51%, Ni powder: 1% and the Cr powder: 1%.
4. with Cu-Sn mechanical alloy powder: Ti-C mechanical activation powder 10%: graphite 10%: Al 20%,
2O
3: 7%, Fe:51%, Ni powder: 1% and the Cr powder: 1% packs into mixed powder 2 hours in the ball mill, and rotating speed is 200 rev/mins.
5. mixed powder is put into cold stamping die, compacting is 1 minute under 800MPa pressure, is made for the blank of colding pressing.
6. the blank of will colding pressing is put into sintering furnace, and sintering pressure is zero, uses graphite and alumina powder to cover and 1030 ℃ of following sintering 1 hour, is repaired after the cooling.
Claims (5)
1. metal-based powder metallurgy brake pad material, it is characterized in that the metal-based powder metallurgy brake pad material is by the component Cu powder of counting by weight percentage: 10-70%, Fe powder: 2-65%, Sn powder: 1-10%, Ni powder: 0-10%, Cr powder: 0-12%, Ti powder: 1-12%, Al
2O
3Powder: 2-8% and graphite: 8-25% forms.
2. according to the described metal-based powder metallurgy brake pad material of claim 1, it is characterized in that the metal-based powder metallurgy brake pad material is by the component Cu-Sn mechanical alloy powder of counting by weight percentage: 10-80%, Ti-C mechanical activation powder: 1.25-15%, Fe powder: 2-65%, Ni powder: 0-10%, Cr powder: 0-12%, Al
2O
3Powder: 2-8% and graphite: 7.75-23% forms.
3. according to the described metal-based powder metallurgy brake pad material of claim 2, it is characterized in that described Cu-Sn mechanical alloy powder is the Cu-Sn mechanical alloy powder of being made through mechanical alloying in advance by Cu powder that accounts for 6-10% according to percentage by weight Sn powder and Sn powder;
Ti-C mechanical activation powder is to make Ti-C mechanical activation powder high activity and form TiC in sintering process through mechanical activation in advance by the Ti powder and the graphite that are 2: 1 to 8: 1 according to percentage by weight.
4. a method for preparing the described metal-based powder metallurgy brake pad material of claim 1 is characterized in that, this method may further comprise the steps:
1) will be that the Cu powder of 6-10% and the Sn powder adopts ball milling in ball mill mode are made Cu-Sn mechanical alloy powder through mechanical alloying according to percentage by weight Sn powder content, drum's speed of rotation is 200-500 rev/min, 5-20 hour ball milling time, ratio of grinding media to material 20: 1;
2) will be 2: 1 to 8: 1 Ti powder and graphite are made high activity through mechanical activation in the mode that adopts ball milling in the ball mill the Ti-C mechanical activation powder that in sintering process, can form TiC according to weight ratio, drum's speed of rotation is 200-500 rev/min, 3-15 hour ball milling time, ratio of grinding media to material 20: 1;
3) with the component Cu-Sn mechanical alloy powder of counting by weight percentage: 10-80%, Ti-C mechanical activation powder: 1.25-15%, Fe powder: 2-65%, Ni powder: 0-10%, Cr powder: 0-12%, Al
2O
3Powder: 2-8% and graphite: 7.75-23% packs into and mixed powder 1-2 hour in the ball mill, and drum's speed of rotation is 100-200 rev/min;
4) will be the 3rd) mixed powder is colded pressing in the step, adopts the pressing pressure of 300-900MPa, and cold pressing and made the base of colding pressing in 0.5-2 minute;
5) be vacuum, reducing atmosphere, inert atmosphere or cover under the condition of graphite reduction powder in sintering atmosphere, the base under the pressure of 0-4MPa sintering 0.5-3 hour of will colding pressing, sintering temperature is 780-1130 ℃.
5. second kind of method for preparing the described metal-based powder metallurgy brake pad material of claim 1 is characterized in that, this method may further comprise the steps:
1) will be that the Cu powder of 6%-10% and the Sn powder adopts ball milling in ball mill mode form Cu-Sn mechanical alloy powder through mechanical alloying according to percentage by weight Sn powder content, drum's speed of rotation is 200-500 rev/min, the ball milling time is 5-20 hour, ratio of grinding media to material 20: 1;
2) will be 2: 1 to 8: 1 Ti powder and graphite are made high activity through mechanical activation in the mode that adopts ball milling in the ball mill the Ti-C mechanical activation powder that in sintering process, can form TiC according to weight ratio, drum's speed of rotation is 200-500 rev/min, the ball milling time is 3-15 hour, ratio of grinding media to material 20: 1;
3) with the component Cu-Sn mechanical alloy powder of counting by weight percentage: 10-80%, Fe powder: 2-65%, Ni powder: 0-10%, Cr powder: 0-12%, Ti-C mechanical activation powder: 1.25-15%, Al
2O
3Powder: 2-8% and graphite: 7.75-23% packs into and mixed powder 0.5-10 hour in the ball mill, and drum's speed of rotation is 200-500 rev/min;
4) adopting discharge plasma sintering method to through the 3rd) mixed-powder of step carries out sintering on discharging plasma sintering equipment, sintering mold adopts graphite jig, sintering temperature is 450-980 ℃, programming rate is 50-300 ℃/minute, sintering pressure 5-75Mpa, temperature retention time 1-20 minute, make the pressed compact of powder metallurgy brake pad material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009100672436A CN101602105B (en) | 2009-07-07 | 2009-07-07 | Metal-based powder metallurgy brake lining material and preparation methods thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009100672436A CN101602105B (en) | 2009-07-07 | 2009-07-07 | Metal-based powder metallurgy brake lining material and preparation methods thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101602105A true CN101602105A (en) | 2009-12-16 |
| CN101602105B CN101602105B (en) | 2010-12-08 |
Family
ID=41468079
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009100672436A Expired - Fee Related CN101602105B (en) | 2009-07-07 | 2009-07-07 | Metal-based powder metallurgy brake lining material and preparation methods thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101602105B (en) |
Cited By (25)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102367526A (en) * | 2011-10-20 | 2012-03-07 | 北京科技大学 | Method for preparing evenly dispersed metal matrix composite friction material through mechanical alloying |
| CN102971550A (en) * | 2010-04-20 | 2013-03-13 | 联合莫古尔摩擦制品有限公司 | Copper-free friction material for brake pads |
| CN103194173A (en) * | 2013-04-09 | 2013-07-10 | 吉林大学 | Bionic-braking friction material and preparation method thereof |
| CN103194659A (en) * | 2013-04-25 | 2013-07-10 | 北京科技大学 | Dispersion-strengthened copper-based powder metallurgy brake pad and preparation for same |
| CN103406533A (en) * | 2013-07-02 | 2013-11-27 | 安徽瑞泰汽车零部件有限责任公司 | Powder metallurgy and manufacturing method thereof |
| CN103978199A (en) * | 2014-05-15 | 2014-08-13 | 张佑锋 | Iron-based ceramic powder metallurgy and preparing method thereof |
| CN104384499A (en) * | 2014-10-28 | 2015-03-04 | 苏州莱特复合材料有限公司 | Powder metallurgy composite material and preparation method thereof |
| CN104384502A (en) * | 2014-10-30 | 2015-03-04 | 苏州莱特复合材料有限公司 | Ferrum-based powder metallurgy antifriction material and preparation method thereof |
| CN104384516A (en) * | 2014-10-30 | 2015-03-04 | 苏州莱特复合材料有限公司 | Preparation method for metallurgy powder brake material for high-speed trains |
| CN104451340A (en) * | 2014-10-27 | 2015-03-25 | 苏州莱特复合材料有限公司 | Metal ceramic composite material and preparation method thereof |
| CN104550922A (en) * | 2014-12-25 | 2015-04-29 | 铜陵市经纬流体科技有限公司 | Powder metallurgy material for high-finish-degree valve and preparation method of powder metallurgy material |
| CN104550920A (en) * | 2014-12-25 | 2015-04-29 | 铜陵市经纬流体科技有限公司 | Iron-based powder metallurgy material used for high-hardness valve and preparation method of iron-based powder metallurgy material |
| CN104550908A (en) * | 2014-12-25 | 2015-04-29 | 铜陵市经纬流体科技有限公司 | Cracking-resistant iron-base powder metallurgy material used for valve and preparation method of cracking-resistant iron-base powder metallurgy material |
| RU2553138C1 (en) * | 2014-03-25 | 2015-06-10 | Общество с ограниченной ответственностью "Научно-Технический Центр Информационные Технологии" | Composite alloy on fe-base for brake pad of railroad car |
| CN105349097A (en) * | 2015-12-10 | 2016-02-24 | 吉林大学 | Structurally-bionic friction material and manufacturing method thereof |
| CN105671411A (en) * | 2016-01-24 | 2016-06-15 | 中南大学 | Carbide-reinforced iron base composite material and powder metallurgy in-situ synthesis method thereof |
| CN105665695A (en) * | 2014-11-18 | 2016-06-15 | 中国科学院兰州化学物理研究所 | Copper-based anti-abrasion anti-impact bi-metal composite material and preparation method thereof |
| CN105779852A (en) * | 2016-04-06 | 2016-07-20 | 郑邦宪 | High-voltage cable shaft disc |
| CN107630955A (en) * | 2017-08-14 | 2018-01-26 | 天津冶金职业技术学院 | A kind of powder metallurgy wear brake pad and preparation method thereof |
| CN107699808A (en) * | 2017-09-15 | 2018-02-16 | 安徽信息工程学院 | A kind of copper-based ceramic wear-resisting composite of iron and preparation method thereof |
| CN110541902A (en) * | 2019-09-06 | 2019-12-06 | 北京浦然轨道交通科技有限公司 | Copper-iron-based powder metallurgy brake pad friction block and preparation method thereof |
| CN111112569A (en) * | 2019-12-30 | 2020-05-08 | 珠海凯利得新材料有限公司 | Processing technology of metal-based ceramic composite material part |
| CN111465776A (en) * | 2017-12-15 | 2020-07-28 | 日本制铁株式会社 | Brake lining for railway vehicle, disc brake system for railway vehicle using same, and sintered friction material for brake lining for railway vehicle |
| CN114486858A (en) * | 2022-01-12 | 2022-05-13 | 东北大学 | Determination of TiO in blast furnace type slag2Method of activity |
| CN115013462A (en) * | 2022-04-18 | 2022-09-06 | 南通力友液压机制造有限公司 | Powder metallurgy high-speed rail brake friction material based on low-carbon resin binder and preparation method thereof |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1032195A (en) * | 1987-09-19 | 1989-04-05 | 北京摩擦材料厂 | A kind of friction plate and manufacture method thereof |
| JPH08253826A (en) * | 1994-10-19 | 1996-10-01 | Sumitomo Electric Ind Ltd | Sintered friction material, composite copper alloy powder used therefor and their production |
| CN1257903A (en) * | 1999-11-29 | 2000-06-28 | 大连粉末冶金厂 | Friction material made by powder metallurgy for brake |
| GB2431163A (en) * | 2005-07-11 | 2007-04-18 | Itri Ltd | Friction material and process for the production thereof |
| CN101092680A (en) * | 2006-06-20 | 2007-12-26 | 张雯 | Carbon based friction plates of powder metallurgy, and manufacturing technique |
| CN100467659C (en) * | 2006-11-03 | 2009-03-11 | 大连交通大学 | Copper base particle reinforced friction material |
| CN101177044A (en) * | 2007-11-26 | 2008-05-14 | 杭州前进齿轮箱集团有限公司 | Automatic extruding forming technique of powder metallurgy friction material |
-
2009
- 2009-07-07 CN CN2009100672436A patent/CN101602105B/en not_active Expired - Fee Related
Cited By (35)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102971550A (en) * | 2010-04-20 | 2013-03-13 | 联合莫古尔摩擦制品有限公司 | Copper-free friction material for brake pads |
| CN102971550B (en) * | 2010-04-20 | 2016-05-11 | 联合莫古尔摩擦制品有限公司 | For brake lining without copper friction material |
| CN102367526A (en) * | 2011-10-20 | 2012-03-07 | 北京科技大学 | Method for preparing evenly dispersed metal matrix composite friction material through mechanical alloying |
| CN102367526B (en) * | 2011-10-20 | 2013-02-27 | 北京科技大学 | Method for preparing evenly dispersed metal matrix composite friction material through mechanical alloying |
| CN103194173A (en) * | 2013-04-09 | 2013-07-10 | 吉林大学 | Bionic-braking friction material and preparation method thereof |
| CN103194173B (en) * | 2013-04-09 | 2014-07-16 | 吉林大学 | Bionic-braking friction material and preparation method thereof |
| CN103194659A (en) * | 2013-04-25 | 2013-07-10 | 北京科技大学 | Dispersion-strengthened copper-based powder metallurgy brake pad and preparation for same |
| CN103194659B (en) * | 2013-04-25 | 2015-01-28 | 北京科技大学 | Dispersion-strengthened copper-based powder metallurgy brake pad and preparation for same |
| CN103406533A (en) * | 2013-07-02 | 2013-11-27 | 安徽瑞泰汽车零部件有限责任公司 | Powder metallurgy and manufacturing method thereof |
| CN103406533B (en) * | 2013-07-02 | 2016-02-10 | 安徽瑞泰汽车零部件有限责任公司 | A kind of powder metallurgy and preparation method thereof |
| RU2553138C1 (en) * | 2014-03-25 | 2015-06-10 | Общество с ограниченной ответственностью "Научно-Технический Центр Информационные Технологии" | Composite alloy on fe-base for brake pad of railroad car |
| CN103978199A (en) * | 2014-05-15 | 2014-08-13 | 张佑锋 | Iron-based ceramic powder metallurgy and preparing method thereof |
| CN104451340A (en) * | 2014-10-27 | 2015-03-25 | 苏州莱特复合材料有限公司 | Metal ceramic composite material and preparation method thereof |
| CN104384499A (en) * | 2014-10-28 | 2015-03-04 | 苏州莱特复合材料有限公司 | Powder metallurgy composite material and preparation method thereof |
| CN104384516B (en) * | 2014-10-30 | 2016-09-28 | 青岛玉兰祥商务服务有限公司 | The preparation method of the metallurgical powder brake material that a kind of bullet train uses |
| CN104384502A (en) * | 2014-10-30 | 2015-03-04 | 苏州莱特复合材料有限公司 | Ferrum-based powder metallurgy antifriction material and preparation method thereof |
| CN104384516A (en) * | 2014-10-30 | 2015-03-04 | 苏州莱特复合材料有限公司 | Preparation method for metallurgy powder brake material for high-speed trains |
| CN105665695A (en) * | 2014-11-18 | 2016-06-15 | 中国科学院兰州化学物理研究所 | Copper-based anti-abrasion anti-impact bi-metal composite material and preparation method thereof |
| CN105665695B (en) * | 2014-11-18 | 2017-10-17 | 中国科学院兰州化学物理研究所 | A kind of copper-based wear and shock-resistant double metallic composite material and preparation method thereof |
| CN104550920A (en) * | 2014-12-25 | 2015-04-29 | 铜陵市经纬流体科技有限公司 | Iron-based powder metallurgy material used for high-hardness valve and preparation method of iron-based powder metallurgy material |
| CN104550922A (en) * | 2014-12-25 | 2015-04-29 | 铜陵市经纬流体科技有限公司 | Powder metallurgy material for high-finish-degree valve and preparation method of powder metallurgy material |
| CN104550908A (en) * | 2014-12-25 | 2015-04-29 | 铜陵市经纬流体科技有限公司 | Cracking-resistant iron-base powder metallurgy material used for valve and preparation method of cracking-resistant iron-base powder metallurgy material |
| CN105349097B (en) * | 2015-12-10 | 2018-04-27 | 吉林大学 | A kind of bionic structure friction material and its manufacture method |
| CN105349097A (en) * | 2015-12-10 | 2016-02-24 | 吉林大学 | Structurally-bionic friction material and manufacturing method thereof |
| CN105671411A (en) * | 2016-01-24 | 2016-06-15 | 中南大学 | Carbide-reinforced iron base composite material and powder metallurgy in-situ synthesis method thereof |
| CN105779852A (en) * | 2016-04-06 | 2016-07-20 | 郑邦宪 | High-voltage cable shaft disc |
| CN107630955A (en) * | 2017-08-14 | 2018-01-26 | 天津冶金职业技术学院 | A kind of powder metallurgy wear brake pad and preparation method thereof |
| CN107699808A (en) * | 2017-09-15 | 2018-02-16 | 安徽信息工程学院 | A kind of copper-based ceramic wear-resisting composite of iron and preparation method thereof |
| CN111465776A (en) * | 2017-12-15 | 2020-07-28 | 日本制铁株式会社 | Brake lining for railway vehicle, disc brake system for railway vehicle using same, and sintered friction material for brake lining for railway vehicle |
| CN110541902A (en) * | 2019-09-06 | 2019-12-06 | 北京浦然轨道交通科技有限公司 | Copper-iron-based powder metallurgy brake pad friction block and preparation method thereof |
| CN111112569A (en) * | 2019-12-30 | 2020-05-08 | 珠海凯利得新材料有限公司 | Processing technology of metal-based ceramic composite material part |
| CN114486858A (en) * | 2022-01-12 | 2022-05-13 | 东北大学 | Determination of TiO in blast furnace type slag2Method of activity |
| CN114486858B (en) * | 2022-01-12 | 2024-04-19 | 东北大学 | Determination of TiO in blast furnace slag2Method of activity |
| CN115013462A (en) * | 2022-04-18 | 2022-09-06 | 南通力友液压机制造有限公司 | Powder metallurgy high-speed rail brake friction material based on low-carbon resin binder and preparation method thereof |
| CN115013462B (en) * | 2022-04-18 | 2024-04-19 | 南通力友液压机制造有限公司 | Powder metallurgy high-iron brake friction material based on low-carbon resin binder and preparation method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101602105B (en) | 2010-12-08 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101602105B (en) | Metal-based powder metallurgy brake lining material and preparation methods thereof | |
| CN100467659C (en) | Copper base particle reinforced friction material | |
| CN100441711C (en) | Manufacture method of high-strength powder metallurgy bevel gear and copper seeping agent for the same | |
| CN103194659B (en) | Dispersion-strengthened copper-based powder metallurgy brake pad and preparation for same | |
| CN106399743A (en) | Super-simple component powder metallurgy friction material for high-speed train brake pad | |
| CN107142392B (en) | A kind of friction materials for high-speed train braking and preparation method thereof, bullet train brake shoes and bullet train brake lining | |
| CN110184495A (en) | A kind of high-speed EMUs powder metallurgy friction material and preparation method thereof | |
| CN105506346A (en) | Powder metallurgy brake pad friction material and preparation method thereof | |
| CN110480022B (en) | FeNiCuSn prealloying powder, preparation method and application | |
| CN110253016A (en) | A kind of passenger train powder metallurgy friction material and preparation method thereof | |
| CN100567537C (en) | Low-temperature in-site generates the preparation technology of TiC particle reinforced magnesium base compound material | |
| CN107058790A (en) | A kind of enhanced powder metallurgy friction material of intermetallic compound and its production and use | |
| CN110541902A (en) | Copper-iron-based powder metallurgy brake pad friction block and preparation method thereof | |
| CN101284311A (en) | Sintered copper alloy brake-holder block and preparation method | |
| CN109139755A (en) | A kind of preparation method of the copper-based composite friction material of iron | |
| CN112059170B (en) | High-performance powder metallurgy brake pad and preparation method thereof | |
| CN112497087B (en) | Bronze-based diamond grinding wheel with high bending strength and preparation method thereof | |
| CN113444915A (en) | Low-cost copper-based powder metallurgy friction material and preparation method thereof | |
| CN102796268A (en) | Preparation method of friction material with good running-in performance | |
| CN105803335A (en) | High-heat-resistance alloy steel material used for brake pad | |
| CN102796269B (en) | Preparation method of friction material less wearing mating plate | |
| CN201151218Y (en) | Wear resistant composite lining board of hard silk screen | |
| CN102975423A (en) | Powder metallurgy brake caliper and production method thereof | |
| CN102430756A (en) | Method for manufacturing IMC (Intermetallic Compound) silicon nitride ceramic-based composite brake pad | |
| CN108034881A (en) | A kind of steel knot TiCN base cemented carbides and application |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20101208 Termination date: 20130707 |