CN114321239A - Ceramic fiber reinforced resin-based brake pad mixed material for reducing brake disc crack - Google Patents
Ceramic fiber reinforced resin-based brake pad mixed material for reducing brake disc crack Download PDFInfo
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- CN114321239A CN114321239A CN202111680923.2A CN202111680923A CN114321239A CN 114321239 A CN114321239 A CN 114321239A CN 202111680923 A CN202111680923 A CN 202111680923A CN 114321239 A CN114321239 A CN 114321239A
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- brake disc
- ceramic fiber
- brake pad
- reinforced resin
- fiber reinforced
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- 239000000835 fiber Substances 0.000 title claims abstract description 54
- 239000000919 ceramic Substances 0.000 title claims abstract description 32
- 239000011347 resin Substances 0.000 title claims abstract description 30
- 229920005989 resin Polymers 0.000 title claims abstract description 30
- 239000000463 material Substances 0.000 title claims abstract description 26
- 229910052739 hydrogen Inorganic materials 0.000 claims abstract description 55
- 239000001257 hydrogen Substances 0.000 claims abstract description 55
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims abstract description 44
- 239000000654 additive Substances 0.000 claims abstract description 34
- 230000000996 additive effect Effects 0.000 claims abstract description 34
- 238000005336 cracking Methods 0.000 claims abstract description 22
- 239000002131 composite material Substances 0.000 claims description 19
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 claims description 18
- TZCXTZWJZNENPQ-UHFFFAOYSA-L barium sulfate Chemical compound [Ba+2].[O-]S([O-])(=O)=O TZCXTZWJZNENPQ-UHFFFAOYSA-L 0.000 claims description 18
- OSGAYBCDTDRGGQ-UHFFFAOYSA-L calcium sulfate Chemical compound [Ca+2].[O-]S([O-])(=O)=O OSGAYBCDTDRGGQ-UHFFFAOYSA-L 0.000 claims description 18
- 238000003756 stirring Methods 0.000 claims description 18
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 13
- 229920006231 aramid fiber Polymers 0.000 claims description 12
- 239000010439 graphite Substances 0.000 claims description 12
- 229910002804 graphite Inorganic materials 0.000 claims description 12
- 239000002994 raw material Substances 0.000 claims description 11
- 229910000831 Steel Inorganic materials 0.000 claims description 10
- 238000002156 mixing Methods 0.000 claims description 10
- 239000010959 steel Substances 0.000 claims description 10
- 229920000459 Nitrile rubber Polymers 0.000 claims description 9
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 9
- 229910000019 calcium carbonate Inorganic materials 0.000 claims description 9
- AXCZMVOFGPJBDE-UHFFFAOYSA-L calcium dihydroxide Chemical compound [OH-].[OH-].[Ca+2] AXCZMVOFGPJBDE-UHFFFAOYSA-L 0.000 claims description 9
- 239000000920 calcium hydroxide Substances 0.000 claims description 9
- 229910001861 calcium hydroxide Inorganic materials 0.000 claims description 9
- NJLLQSBAHIKGKF-UHFFFAOYSA-N dipotassium dioxido(oxo)titanium Chemical compound [K+].[K+].[O-][Ti]([O-])=O NJLLQSBAHIKGKF-UHFFFAOYSA-N 0.000 claims description 9
- 239000000395 magnesium oxide Substances 0.000 claims description 9
- CPLXHLVBOLITMK-UHFFFAOYSA-N magnesium oxide Inorganic materials [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 claims description 9
- AXZKOIWUVFPNLO-UHFFFAOYSA-N magnesium;oxygen(2-) Chemical compound [O-2].[Mg+2] AXZKOIWUVFPNLO-UHFFFAOYSA-N 0.000 claims description 9
- 239000012528 membrane Substances 0.000 claims description 9
- 239000010445 mica Substances 0.000 claims description 9
- 229910052618 mica group Inorganic materials 0.000 claims description 9
- 239000002006 petroleum coke Substances 0.000 claims description 9
- 239000000843 powder Substances 0.000 claims description 9
- 229910052710 silicon Inorganic materials 0.000 claims description 9
- 239000010703 silicon Substances 0.000 claims description 9
- YPMOSINXXHVZIL-UHFFFAOYSA-N sulfanylideneantimony Chemical compound [Sb]=S YPMOSINXXHVZIL-UHFFFAOYSA-N 0.000 claims description 9
- 239000010455 vermiculite Substances 0.000 claims description 9
- 229910052902 vermiculite Inorganic materials 0.000 claims description 9
- 235000019354 vermiculite Nutrition 0.000 claims description 9
- GFQYVLUOOAAOGM-UHFFFAOYSA-N zirconium(iv) silicate Chemical compound [Zr+4].[O-][Si]([O-])([O-])[O-] GFQYVLUOOAAOGM-UHFFFAOYSA-N 0.000 claims description 9
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims description 8
- 229920000049 Carbon (fiber) Polymers 0.000 claims description 5
- 239000004917 carbon fiber Substances 0.000 claims description 5
- 238000007731 hot pressing Methods 0.000 claims description 5
- -1 chromite Chemical compound 0.000 claims description 4
- 238000002360 preparation method Methods 0.000 claims description 2
- 239000011230 binding agent Substances 0.000 claims 1
- 238000009792 diffusion process Methods 0.000 abstract description 15
- 238000000034 method Methods 0.000 abstract description 12
- 150000002431 hydrogen Chemical class 0.000 abstract description 11
- 230000004888 barrier function Effects 0.000 abstract description 10
- 238000005299 abrasion Methods 0.000 abstract description 7
- 239000000203 mixture Substances 0.000 abstract description 6
- 239000010408 film Substances 0.000 description 14
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 7
- 239000002245 particle Substances 0.000 description 5
- 230000008569 process Effects 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 3
- 229910052742 iron Inorganic materials 0.000 description 3
- 229910001018 Cast iron Inorganic materials 0.000 description 2
- 229910001567 cementite Inorganic materials 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 238000005262 decarbonization Methods 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 229910000734 martensite Inorganic materials 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 238000010303 mechanochemical reaction Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000010409 thin film Substances 0.000 description 1
Landscapes
- Compositions Of Macromolecular Compounds (AREA)
- Braking Arrangements (AREA)
Abstract
The invention discloses a ceramic fiber reinforced resin-based brake pad mixed material for reducing brake disc cracking. According to the brake pad material, the brake pad material has small abrasion on a brake disc, reduces the brake disc crack failure rate, and is energy-saving and environment-friendly. A brake pad mixture for reducing brake disc cracking is provided with a bound hydrogen additive B for preventing substantial diffusion of hydrogen to the surface of the brake drum during braking. Another method is to prevent hydrogen diffusion by forming a transfer film as a barrier on the surface of the brake disc. A transfer film hydrogen additive E is added into a brake pad mixed material for reducing bulging crack, a nano-scale transfer film is formed on a friction surface and used as a barrier to prevent hydrogen diffusion, and the risk of cracking and crazing caused by surface abrasion of a brake disc is reduced.
Description
Technical Field
The invention belongs to the technical field of wear-resistant material production, and particularly relates to a ceramic fiber reinforced resin-based brake pad mixed material for reducing brake disc cracking.
Background
In the braking process of the friction brake, the organic brake pad is in sliding contact with the cast iron brake disc. At higher friction temperature, the thermal degradation and the mechanochemical reaction of organic matters release hydrogen from organic resin, so that carbon enrichment occurs on the surface of the brake pad. Hydrogen diffuses to the cast iron surface, resulting in an increase in hydrogen concentration, which easily goes beyond the critical concentration (saturation state), i.e. "hydrogen embrittlement". When the surface temperature of the brake disc is within the range of 200-600 ℃, the reaction between hydrogen and iron carbide can be observed. The result of this reaction is methane and iron, and the equation is Fe3C +4H → CH4+3 Fe.
However, this means that the reaction leads to decarbonization of the brake disk surface. The non-carbonaceous iron exhibits a lower hardness than the rest of the matrix. This can result in tension between the two different types of iron. Although the surface of the brake disc does not undergo chemical changes, the physical structure becomes martensitic. The fracture will occur in a direction parallel to the brake disc surface and a thin film of brake disc material will be transferred from the drum into the brake disc. Particularly, the failure rate of the brake disc of the heavy truck is very high, the maintenance cost of a client is high, and the market complaint is large.
Disclosure of Invention
The invention aims to: in order to solve the above-mentioned problems, a ceramic fiber reinforced resin based brake pad mixture for reducing brake disc crack is provided.
The technical scheme adopted by the invention is as follows: a ceramic fiber reinforced resin based brake pad composite for reducing brake disc cracking, the ceramic fiber reinforced resin based brake pad composite for reducing brake disc cracking comprising: bound hydrogen additive B, transfer membrane hydrogen additive E, silicon modified resin, artificial particle graphite, antimony sulfide, mica, aramid fiber, composite fiber, ceramic fiber, steel fiber, potassium titanate whisker, calcium sulfate whisker, precipitated barium sulfate, chromite, zirconium silicate, calcium carbonate, calcium hydroxide, vermiculite, nitrile rubber powder, petroleum coke and magnesium oxide
In a preferred embodiment, the preparation method of the ceramic fiber reinforced resin-based brake pad mixed material for reducing brake disc crack comprises the following steps:
s1: firstly, mixing and stirring a bound hydrogen additive B, a transfer membrane hydrogen additive E, aramid fiber, artificial granular graphite, composite fiber, ceramic fiber and carbon fiber by using a high-speed mixer,
s2: and adding the following raw materials into the stirred and mixed raw materials in the step S1: silicon modified resin, antimony sulfide, mica, potassium titanate whisker, calcium sulfate whisker, precipitated barium sulfate, chromite, zirconium silicate, calcium carbonate, calcium hydroxide, vermiculite, nitrile-butadiene rubber powder, petroleum coke and magnesium oxide, and stirring and mixing again;
and S3, hot-pressing the mixed raw materials obtained in the step S2 to obtain the finished product by using a hot press, so as to obtain the ceramic fiber reinforced resin-based brake pad mixed material for reducing brake disc cracking.
3. A ceramic fiber reinforced resin based brake pad composite for reducing brake disc rotor cracking as claimed in claim 2 wherein: in the step S1, the stirring speed is 1200r/min, and the stirring time is 50 min.
In a preferred embodiment, in step S2, the stirring speed is 1500r/min, and the stirring time is 120 min.
In a preferred embodiment, the ceramic fiber reinforced resin-based brake pad mixed material for reducing brake disc crack comprises the following raw materials in percentage by weight: 0.5-1.5% of bound hydrogen additive B, 78-10% of transfer film hydrogen additive E5, 4-7.5% of silicon modified resin, 6-20% of artificial granular graphite, 5-10% of antimony sulfide, 3-5% of mica, 2-4% of aramid fiber, 1-2% of composite fiber, 3-5% of ceramic fiber, 10-15% of steel fiber, 6-11% of potassium titanate whisker, 5-6% of calcium sulfate whisker, 5-9% of precipitated barium sulfate, 1-3% of chromite, 3-7% of zirconium silicate, 2-3% of calcium carbonate, 1-2% of calcium hydroxide, 2-4% of vermiculite, 1-3% of nitrile rubber powder, 3-4% of petroleum coke and 2-6% of magnesium oxide.
In summary, due to the adoption of the technical scheme, the invention has the beneficial effects that:
according to the brake pad material, the brake pad material has small abrasion on a brake disc, reduces the brake disc crack failure rate, and is energy-saving and environment-friendly. A brake pad mixture for reducing brake disc cracking is provided with a bound hydrogen additive B for preventing substantial diffusion of hydrogen to the surface of the brake drum during braking. Another method is to prevent hydrogen diffusion by forming a transfer film as a barrier on the surface of the brake disc. A transfer film hydrogen additive E is added into a brake pad mixed material for reducing bulging crack, a nano-scale transfer film is formed on a friction surface and used as a barrier to prevent hydrogen diffusion, and the risk of cracking and crazing caused by surface abrasion of a brake disc is reduced.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are some embodiments of the present invention, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1, 0.5 kg of bound hydrogen additive B, 5 kg of transfer membrane hydrogen additive E, 7.5 kg of silicon modified resin, 18 kg of artificial granular graphite, 8 kg of antimony sulfide, 3 kg of mica, 3 kg of aramid fiber, 2 kg of composite fiber, 5 kg of ceramic fiber, 15 kg of steel fiber, 11 kg of potassium titanate whisker, 4 kg of calcium sulfate whisker, 8 kg of precipitated barium sulfate, 2 kg of chromite, 5 kg of zirconium silicate, 2 kg of calcium carbonate, 1 kg of calcium hydroxide, 2 kg of vermiculite, 1 kg of nitrile rubber powder, 3 kg of petroleum coke, and 6 kg of magnesium oxide are taken. Firstly, mixing and stirring a bound hydrogen additive B, a transfer membrane hydrogen additive E, artificial particle graphite, aramid fiber, composite fiber, ceramic fiber, steel fiber and carbon fiber by using a high-speed mixer, then adding other raw materials, mixing and stirring, and finally carrying out hot pressing on a finished product to realize the brake pad material which has small wearability on a brake disc, reduces the crack failure rate of the brake disc, saves energy and is environment-friendly. A brake pad mixture for reducing brake disc cracking is provided with a bound hydrogen additive B for preventing substantial diffusion of hydrogen to the surface of the brake drum during braking. Another method is to prevent hydrogen diffusion by forming a transfer film as a barrier on the surface of the brake disc. A transfer film hydrogen additive E is added into a brake pad mixed material for reducing bulging crack, a nano-scale transfer film is formed on a friction surface and used as a barrier to prevent hydrogen diffusion, and the risk of cracking and crazing caused by surface abrasion of a brake disc is reduced. .
Example 2, 1.5 kg of bound hydrogen additive B, 3 kg of transfer membrane hydrogen additive E8 kg, 4 kg of silicon modified resin, 6 kg of artificial granular graphite, 5 kg of antimony sulfide, 3 kg of mica, 2 kg of aramid fiber, 1.5 kg of composite fiber, 4.5 kg of ceramic fiber, 14.5 kg of steel fiber, 11 kg of potassium titanate whisker, 4 kg of calcium sulfate whisker, 9 kg of precipitated barium sulfate, 1.5 kg of chromite, 6 kg of zirconium silicate, 3 kg of calcium carbonate, 1 kg of calcium hydroxide, 3 kg of vermiculite, 2 kg of nitrile rubber powder, 4 kg of petroleum coke and 5 kg of magnesium oxide are taken. Firstly, mixing and stirring a bound hydrogen additive B, a transfer membrane hydrogen additive E, artificial particle graphite, aramid fiber, composite fiber, ceramic fiber, steel fiber and carbon fiber by using a high-speed mixer, then adding other raw materials, mixing and stirring, and finally carrying out hot pressing on a finished product to realize the brake pad material which has small wearability on a brake disc, reduces the crack failure rate of the brake disc, saves energy and is environment-friendly. A brake pad mixture for reducing brake disc cracking is provided with a bound hydrogen additive B for preventing substantial diffusion of hydrogen to the surface of the brake drum during braking. Another method is to prevent hydrogen diffusion by forming a transfer film as a barrier on the surface of the brake disc. A transfer film hydrogen additive E is added into a brake pad mixed material for reducing bulging crack, a nano-scale transfer film is formed on a friction surface and used as a barrier to prevent hydrogen diffusion, and the risk of cracking and crazing caused by surface abrasion of a brake disc is reduced.
Example 3, 1 kg of bound hydrogen additive B, 9 kg of transfer film hydrogen additive E, 4.5 kg of silicon modified resin, 7 kg of artificial particle graphite, 4.5 kg of antimony sulfide, 3.5 kg of mica, 3 kg of aramid fiber, 2 kg of composite fiber, 5 kg of ceramic fiber, 10 kg of steel fiber, 9 kg of potassium titanate whisker, 6 kg of calcium sulfate whisker, 7 kg of precipitated barium sulfate, 2 kg of chromite, 5.5 kg of zirconium silicate, 3 kg of calcium carbonate, 1 kg of calcium hydroxide, 4 kg of vermiculite, 1 kg of nitrile rubber powder, 4 kg of petroleum coke and 6 kg of magnesium oxide are taken. Firstly, mixing and stirring a bound hydrogen additive B, a transfer membrane hydrogen additive E, artificial particle graphite, aramid fiber, composite fiber, ceramic fiber, steel fiber and carbon fiber by using a high-speed mixer, then adding other raw materials, mixing and stirring, and finally carrying out hot pressing on a finished product to realize the brake pad material which has small wearability on a brake disc, reduces the crack failure rate of the brake disc, saves energy and is environment-friendly. A brake pad mixture for reducing brake disc cracking is provided with a bound hydrogen additive B for preventing substantial diffusion of hydrogen to the surface of the brake drum during braking. Another method is to prevent hydrogen diffusion by forming a transfer film as a barrier on the surface of the brake disc. A transfer film hydrogen additive E is added into a brake pad mixed material for reducing bulging crack, a nano-scale transfer film is formed on a friction surface and used as a barrier to prevent hydrogen diffusion, and the risk of cracking and crazing caused by surface abrasion of a brake disc is reduced.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
The above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (5)
1. The utility model provides a reduce ceramic fiber reinforced resin base brake block combined material that brake disc splits which characterized in that: the ceramic fiber reinforced resin-based brake pad mixed material for reducing brake disc crack comprises the following components: the hydrogen-binding agent comprises a hydrogen-binding additive B, a transfer membrane hydrogen additive E, silicon modified resin, artificial granular graphite, antimony sulfide, mica, aramid fiber, composite fiber, ceramic fiber, steel fiber, potassium titanate whisker, calcium sulfate whisker, precipitated barium sulfate, chromite, zirconium silicate, calcium carbonate, calcium hydroxide, vermiculite, nitrile rubber powder, petroleum coke and magnesium oxide.
2. A ceramic fiber reinforced resin based brake pad composite for reducing brake disc rotor cracking as claimed in claim 1 wherein: the preparation method of the ceramic fiber reinforced resin-based brake pad mixed material for reducing brake disc cracking comprises the following steps:
s1: firstly, mixing and stirring a bound hydrogen additive B, a transfer membrane hydrogen additive E, aramid fiber, artificial granular graphite, composite fiber, ceramic fiber and carbon fiber by using a high-speed mixer,
s2: and adding the following raw materials into the stirred and mixed raw materials in the step S1: silicon modified resin, antimony sulfide, mica, potassium titanate whisker, calcium sulfate whisker, precipitated barium sulfate, chromite, zirconium silicate, calcium carbonate, calcium hydroxide, vermiculite, nitrile-butadiene rubber powder, petroleum coke and magnesium oxide, and stirring and mixing again;
and S3, hot-pressing the mixed raw materials obtained in the step S2 to obtain the finished product by using a hot press, so as to obtain the ceramic fiber reinforced resin-based brake pad mixed material for reducing brake disc cracking.
3. A ceramic fiber reinforced resin based brake pad composite for reducing brake disc rotor cracking as claimed in claim 2 wherein: in the step S1, the stirring speed is 1200r/min, and the stirring time is 50 min.
4. A ceramic fiber reinforced resin based brake pad composite for reducing brake disc rotor cracking as claimed in claim 2 wherein: in the step S2, the stirring speed is 1500r/min, and the stirring time is 120 min.
5. A ceramic fiber reinforced resin based brake pad composite for reducing brake disc rotor cracking as claimed in claim 1 wherein: the ceramic fiber reinforced resin-based brake pad mixed material for reducing brake disc crack comprises the following raw materials in percentage by weight: 0.5-1.5% of bound hydrogen additive B, 78-10% of transfer film hydrogen additive E5, 4-7.5% of silicon modified resin, 6-20% of artificial granular graphite, 5-10% of antimony sulfide, 3-5% of mica, 2-4% of aramid fiber, 1-2% of composite fiber, 3-5% of ceramic fiber, 10-15% of steel fiber, 6-11% of potassium titanate whisker, 5-6% of calcium sulfate whisker, 5-9% of precipitated barium sulfate, 1-3% of chromite, 3-7% of zirconium silicate, 2-3% of calcium carbonate, 1-2% of calcium hydroxide, 2-4% of vermiculite, 1-3% of nitrile rubber powder, 3-4% of petroleum coke and 2-6% of magnesium oxide.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111680923.2A CN114321239A (en) | 2021-12-31 | 2021-12-31 | Ceramic fiber reinforced resin-based brake pad mixed material for reducing brake disc crack |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202111680923.2A CN114321239A (en) | 2021-12-31 | 2021-12-31 | Ceramic fiber reinforced resin-based brake pad mixed material for reducing brake disc crack |
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| CN114321239A true CN114321239A (en) | 2022-04-12 |
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| CN202111680923.2A Pending CN114321239A (en) | 2021-12-31 | 2021-12-31 | Ceramic fiber reinforced resin-based brake pad mixed material for reducing brake disc crack |
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