CN107299237B - A kind of CNTs/TiO2The method of nano composite powder Reinforced Cu-Base Composites - Google Patents
A kind of CNTs/TiO2The method of nano composite powder Reinforced Cu-Base Composites Download PDFInfo
- Publication number
- CN107299237B CN107299237B CN201710357404.XA CN201710357404A CN107299237B CN 107299237 B CN107299237 B CN 107299237B CN 201710357404 A CN201710357404 A CN 201710357404A CN 107299237 B CN107299237 B CN 107299237B
- Authority
- CN
- China
- Prior art keywords
- cnts
- tio
- powder
- composite powder
- reinforced
- 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.)
- Active
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C1/00—Making non-ferrous alloys
- C22C1/04—Making non-ferrous alloys by powder metallurgy
- C22C1/05—Mixtures of metal powder with non-metallic powder
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C32/00—Non-ferrous alloys containing at least 5% by weight but less than 50% by weight of oxides, carbides, borides, nitrides, silicides or other metal compounds, e.g. oxynitrides, sulfides, whether added as such or formed in situ
- C22C32/0084—Non-ferrous alloys containing at least 5% by weight but less than 50% by weight of oxides, carbides, borides, nitrides, silicides or other metal compounds, e.g. oxynitrides, sulfides, whether added as such or formed in situ carbon or graphite as the main non-metallic constituent
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C9/00—Alloys based on copper
Abstract
The invention discloses a kind of CNTs/TiO2The method of nano composite powder Reinforced Cu-Base Composites, this method obtain flake copper powder or copper alloy by high-energy ball milling first, and CNTs/TiO is prepared using the hydrolysis of Ti salt2Nano composite powder；By low energy ball milling by sheet Cu powder or copper alloy and CNTs/TiO2After evenly mixing, CNTs/TiO is prepared in final pressure sintering2Reinforced Cu-Base Composites；The invention is conducive to give full play to the CNTs/TiO of binary reinforced phase2Synergistic enhancing effect caused by nano composite powder shows performance more superior than single group member reinforced phase in Reinforced Cu matrix；CNTs/TiO2Tensile strength, microhardness and the conductivity of Reinforced Cu-Base Composites are respectively 294MPa, 112HV and 85.4% IACS；In addition, compared to fine copper sample, CNTs/TiO2Nano composite powder Reinforced Cu-Base Composites do not reduce conductivity seriously while greatly improving mechanical property.
Description
Technical field
The present invention relates to a kind of CNTs/TiO2The method of nano composite powder Reinforced Cu-Base Composites, belongs to powder
Metallurgical and technical field of composite preparation.
Background technology
Since metallic copper has good mechanics, electrically and thermally performance, therefore it is commonly used for the base of metal-base composites
Body material.Cu-base composites are widely used in power Transmission, Electronic Packaging heat dissipation and structural timber field in recent years, but
Copper intensity, hardness, wearability etc. are relatively low, its application is made to be restricted.
Researcher is prepared close using fibre prickling entirety felt as precast body with the method for chemical vapor infiltration, dipping charing
Then the degree C/C porous body different with carbon matrix will melt in the C/C porous bodies that Cu is penetrated into, system under vacuum conditions
For fibre reinforced Cu based composites are gone out, intensity and the friction and wear behavior of composite material are greatly improved.It utilizes
This liquid phase powder metallurgical method needs copper being heated to fusing point or more, this process can consume big energy.Also researcher
It is prepared for Al using the method for internal oxidition2O3Composite material of the disperse in Cu matrixes, handles to have obtained power by subsequent hot extrusion
Learn the Al haveing excellent performance2O3/ Cu composite materials, but Al2O3With very high dielectric constant, lead to the conduction of composite material
Property seriously reduces.
Although Cu based composites are by more and more extensive concern in recent years, as described above, overwhelming majority research
It concentrates on using single reinforced phase（Such as carbide, the particle or carbon fiber of oxide）Come improve Cu based composites mechanics or
Physical property, and for mutually less to improve the research of Cu based composites performances using two or more composite strengthening.
Invention content
Existing problems and shortcomings for the above-mentioned prior art, the present invention provides a kind of CNTs/TiO2Nano composite powder
The method of last Reinforced Cu-Base Composites, this method utilize the CNTs and nano-TiO of excellent combination property2Enhance as binary
Phase, CNTs are embedded into TiO2So that the two has preferable interface cohesion in matrix；By phase and phase, boundary and interface it
Between coupling composite material can be made to show than single-phase enhancing composite material more preferably performance.
The above method is as follows：
（1）Cu powder or Cu alloys are placed in ball mill, absolute ethyl alcohol is added and submerges copper powder, is filtered after 5 ~ 10h of ball milling,
It is dried in vacuo at 40 ~ 80 DEG C；
（2）Carbon nanotube is placed in the mixed liquor of concentrated nitric acid and the concentrated sulfuric acid, heating water bath is then ultrasonic to 30 ~ 80 DEG C
Filtering cleaning is to neutrality after disperseing 10 ~ 180min, obtains pretreated carbon nanotube after fully dry, wherein concentrated nitric acid with it is dense
The volume ratio of sulfuric acid is 1:3~1:5；
（3）It is 1 in mass ratio by pretreated carbon nanotube:100 ~ 1:500 ratio is add to deionized water, and is surpassed
Sound obtains finely dispersed carbon nano-tube aqueous solutions；
（4）Finely dispersed carbon nano-tube aqueous solutions are put into the water-bath of 0 ~ 15 DEG C of temperature, are then added to Ti salt
Then mixing in carbon nano-tube aqueous solutions is filtered, washs and dries, obtains CNTs/TiO2Nano composite powder, wherein Ti
Salt and the mass ratio of pretreated carbon nanotube are 1:10~20:1；
（5）By CNTs/TiO2Nano composite powder and step（1）Cu powder or Cu alloys are 1 in mass ratio:15 ~ 1:100
Ratio mixing, then carry out low energy ball milling, the mass ratio of steel ball and Cu powder or Cu alloys is 5:1 ~ 10:1, Ball-milling Time 1
~ 3h, rotating speed are 100 ~ 200r/min, obtain composite powder；
（6）Uniformly mixed composite powder is placed in graphite jig, is subsequently placed in hot pressing furnace, in sintering temperature 650
~ 850 DEG C, under 30 ~ 60MPa of sintering pressure, it is cooling after keeping the temperature 15 ~ 60min, obtain CNTs/TiO2Nano composite powder
Reinforced Cu-Base Composites.
Step of the present invention（1）The ball mill is planetary ball mill, and output power of motor is 2.8 ~ 3.2 KW/h,
Ball-milling medium is stainless steel ball；Drum's speed of rotation is 100 ~ 400r/min；Steel ball is 10 with the mass ratio of Cu powder or Cu alloys:1
~ 20:1；Cu alloys are Cu-Ti, Cu-Zn or Cu-Mn.
The step（4）Ti salt is TiCl4、Ti(OEt)4、TiF4、TiCl3、Ti2(SO4)3In one kind or arbitrarily than several
Kind.
The CNTs is one or any than a variety of in single wall, double-walled or multi wall CNTs, and the draw ratio of CNTs is
The purity of arbitrary draw ratio, CNTs is 95% or more.
Step of the present invention（6）The sintering processing is hot pressed sintering, discharge plasma sintering, HIP sintering.
The beneficial effects of the invention are as follows：
1) preparation process of the present invention is simple, and consumption of raw materials is small, and no complex experiment flow and additional impurities introduce, CNTs/
TiO2Nano composite powder is uniformly distributed in sheet Cu powder or Cu alloy surfaces, and finally obtained composite material block consistency is equal
More than 95 %；
2）In nano composite powder, TiO2It combines closely with the interface of CNTs, the synergistic enhancing effect table of binary reinforced phase
Reveal the comprehensive performance more excellent than unitary reinforced phase, CNTs/TiO2Nano composite powder Reinforced Cu-Base Composites resist
Tensile strength is 294MPa, and microhardness 107HV, mechanical property is compared to fine copper, CNTs/Cu or TiO2/ Cu, which has, significantly to be carried
It is high.CNTs/TiO2The conductivity of Reinforced Cu-Base Composites is 85.4% IACS, and compared with fine copper sample, binary reinforced phase exists
Significantly serious reduce does not occur for conductivity while greatly improving pure Cu mechanical properties.
Description of the drawings
Fig. 1 is that pure Cu powder is after high-energy ball milling is handled in embodiment 1, sample surface morphology figure；
Fig. 2 is the CNTs/TiO prepared in embodiment 12The SEM image of nano composite powder；
Fig. 3 is CNTs/TiO in embodiment 12The microcosmic shape of fracture of nano composite powder Reinforced Cu-Base Composites block
Looks.
Specific implementation mode
Invention is further described in detail with reference to the accompanying drawings and examples, but protection scope of the present invention and unlimited
In the content.
Embodiment 1：The present embodiment CNTs/TiO2The method of nano composite powder Reinforced Cu-Base Composites, specifically includes
Following steps：
（1）By 50g Cu powder（325 mesh）It is placed in the ball grinder equipped with stainless steel ball, the mass ratio of steel ball and Cu powder is
10:1,250mL absolute ethyl alcohols are added and submerge copper powder, then rotating speed 350r/min, ball milling 5h are filtered and vacuum are dry at 80 DEG C
Dry acquisition flake Cu powder；Ball mill is planetary ball mill, and output power of motor is 3.1 KW/h；
（2）By 1.0g multi-walled carbon nanotubes（MWCNTs）It is placed in the mixed liquor of 80mL concentrated nitric acids and the 240mL concentrated sulfuric acids（=1 : 3）In, 30 DEG C of heating water bath, after ultrasonic disperse 180min filtering cleaning then fill at 70 DEG C to neutrality
Pretreated MWCNTs powder is obtained after dividing drying；
（3）The pretreated MWCNTs powder of 0.1g is added in the beaker for filling deionized water, the quality of MWCNTs and water
Than being 1:500, MWCNTs aqueous solutions are obtained after ultrasound 3h at room temperature, are subsequently placed in 5 DEG C of water-bath；
（4）With peristaltic pump by 2g TiCl4Liquid injects in MWCNTs aqueous solutions, and injection flow is 1mL/min, after mixing
CNTs/TiO is obtained after being filtered, washed drying2Nano composite powder；
（5）By CNTs/TiO2Nano composite powder and step（1）The sheet Cu powder of acquisition is 1 according to mass ratio:15 ratio
Example mixes, then progress low energy ball milling, and the mass ratio of steel ball and Cu powder is 5:1, ball milling 2h, rotating speed 200r/min, to obtain
Obtain the uniform composite powder of ingredient；
（6）Uniformly mixed composite powder is placed in the graphite jig that internal diameter is 30mm, is subsequently placed in hot pressing furnace, if
It is 650 DEG C, sintering pressure 60MPa to set sintering temperature, keeps the temperature furnace cooling after 30min, obtains CNTs/TiO2Nano composite powder
Last Reinforced Cu-Base Composites.
Contrast experiment：
By step（1）The sheet Cu powder of acquisition is according to step（5）Described in low energy ball-milling technology ball milling 2h after, according to step
Suddenly（6）Sintering parameter tested to obtain pure Cu samples；
By step（1）The sheet Cu powder of acquisition is with 0.1gCNTs powder according to step（5）Described in low energy ball-milling technology
After ball milling 2h, according to step（6）Sintering parameter tested to obtain CNTs/Cu composite materials；
By step（1）The sheet Cu powder of acquisition and 4mL TiCl4The TiO that liquid water solution obtains2Nanometer powder, according to step
（5）Described in low energy ball-milling technology ball milling 2h after, according to step（6）Sintering parameter tested to obtain TiO2/ Cu is compound
Material；
CNTs/TiO manufactured in the present embodiment2The consistency of Reinforced Cu-Base Composites is 96.3%, and tensile strength is
294MPa, microhardness 112HV, conductivity are 85.4% IACS；Each performance parameter in contrast experiment is shown in Table lattice 1.CNTs/
TiO2Nanometer binary reinforced phase has played more significant work than unitary reinforced phase in the comprehensive performance for improving Cu-base composites
With, and compared to fine copper sample, do not reduce conductivity seriously while greatly improving mechanical property.
Table 1 pure Cu, CNTs/Cu, TiO2/ Cu and CNTs/TiO2The performance comparison result of/Cu based composites
；
Fig. 1 be after high-energy ball milling, the SEM photograph of pure Cu powder, electrolytic copper powder after high-energy ball milling in the form of sheets, table
Face is smooth；Fig. 2 is by hydrolyzing the TiO produced2/ CNTs composite powders, titania powder are uniformly coated on carbon nanotube
Around, carbon nanotube is evenly dispersed, without apparent agglomeration；Fig. 3 is the fracture SEM figure of composite material, in the dimple of fracture, is deposited
In the carbon nanotube pulled off；And remaining TiO2Particle.
Embodiment 2：The present embodiment CNTs/TiO2The method of nano composite powder Reinforced Cu-Base Composites, specifically includes
Following steps：
（1）By 50g Cu powder（325 mesh）It is placed in the ball grinder equipped with stainless steel ball, the mass ratio of steel ball and Cu powder is
20:1, be added 250mL absolute ethyl alcohols submerge copper powder, ball milling 10h, rotating speed 250r/min, then filtering and the vacuum at 40 DEG C
It is dry to obtain flake Cu powder；Ball mill is planetary ball mill, and output power of motor is 2.8 KW/h；
（2）By 2.0g multi-walled carbon nanotubes（MWCNTs）It is placed in the mixed liquor of 120mL concentrated nitric acids and the 480mL concentrated sulfuric acids（=1:4）In, 80 DEG C of heating water bath, filtering cleaning is to neutrality after ultrasonic disperse 120min, then at 70 DEG C fully
Pretreated MWCNTs powder is obtained after drying；
（3）The pretreated MWCNTs powder of 0.2g is added in the beaker for filling deionized water, the mass ratio of MWCNTs and water
It is 1:100, MWCNTs aqueous solutions are obtained after ultrasound 5h at room temperature, are subsequently placed in 10 DEG C of water-bath；
（4）2g Ti (OEt) are extracted with syringe4Liquid is injected into CNTs aqueous solutions, and injection flow is 2mL/min,
CNTs/TiO is obtained after being filtered, washed drying2Nano composite powder；
（5）By CNTs/TiO2Nano composite powder and step（1）The sheet Cu powder of acquisition is 1 according to mass ratio:50 with into
The mass ratio of row low energy ball milling, steel ball and Cu powder is 10:1, rotating speed 100r/min, ball milling 1h are uniform to obtain ingredient
Composite powder；
（6）Uniformly mixed composite powder is placed in the graphite jig that internal diameter is 30mm, carries out hot pressed sintering, setting is burnt
Junction temperature is 850 DEG C, sintering pressure 30MPa, keeps the temperature furnace cooling after 10min, obtains CNTs/TiO2Nano composite powder increases
Strong Cu based composites.
Contrast experiment：
By step（1）The sheet Cu powder of acquisition is according to step（5）Described in low energy ball-milling technology ball milling 1h after, according to step
Suddenly（6）Sintering parameter tested to obtain pure Cu samples；
By step（1）The sheet Cu powder of acquisition is with 0.2gCNTs powder according to step（5）Described in low energy ball-milling technology
After ball milling 1h, according to step（6）Sintering parameter tested to obtain CNTs/Cu composite materials；
By step（1）The sheet Cu powder of acquisition and 2mL Ti (OEt)4Hydrolyze obtained TiO2Nanometer powder, according to step
（5）Described in low energy ball-milling technology ball milling 1h after, according to step（6）Sintering parameter tested to obtain TiO2/ Cu is compound
Material；
CNTs/TiO manufactured in the present embodiment2The consistency of Reinforced Cu-Base Composites is 95%, and tensile strength is
276MPa, microhardness 103HV, conductivity are 83.8 % IACS；Each performance parameter in contrast experiment is shown in Table 2；
Table 2：Pure Cu, CNTs/Cu, TiO2/ Cu and CNTs/TiO2The performance comparison result of/Cu based composites
。
Embodiment 3：The present embodiment CNTs/TiO2The method of nano composite powder Reinforced Cu-Base Composites, specifically includes
Following steps：
（1）The Cu-Ti powder of 70 μm of grain sizes of 50g is placed in stainless steel jar mill, the mass ratio of steel ball and Cu-Ti powder is
15:1,200mL absolute ethyl alcohols are added and submerge copper powder, then ball milling 8h, rotating speed 150r/min are filtered and vacuum are dry at 60 DEG C
Dry acquisition flake Cu-Ti powder；
（2）By 1.0g multi-walled carbon nanotubes（MWCNTs）It is placed in the mixed liquor of 80mL concentrated nitric acids and the 500mL concentrated sulfuric acids（=1 : 5）In, 50 DEG C of heating water bath, after ultrasonic disperse 60min filtering cleaning then fill at 60 DEG C to neutrality
Divide pretreated carbon nanotube after drying；
（3）The pretreated carbon nanotubes of 0.2g are added in the beaker for filling deionized water, pretreated carbon nanotube and
The mass ratio of water is 1:200, carbon nano-tube aqueous solutions are obtained after ultrasound 3h at room temperature, are subsequently placed in 8 DEG C of water-bath；
（4）By 0.2g TiCl3It is added in carbon nano-tube aqueous solutions, CNTs/ is obtained after sediment is filtered, washed drying
TiO2 nano composite powders；
（5）By CNTs/TiO2Nano composite powder and step（1）The sheet Cu-Ti powder of acquisition is 1 according to mass ratio:90
Ratio mixing after, carry out low energy ball milling, the mass ratio of steel ball and Cu-Ti powder is 8:1, rotating speed 150r/min, ball milling 1.5h,
To obtain the uniform composite powder of ingredient；
（6）Uniformly mixed composite powder is placed in the graphite jig that internal diameter is 30mm, carries out discharge plasma sintering,
It is 750 DEG C, sintering pressure 50MPa that sintering temperature, which is arranged, keeps the temperature furnace cooling after 15min, obtains CNTs/TiO2It is nano combined
Powder Reinforced Cu-Base Composites
Contrast experiment：
By step（1）The sheet Cu-Ti powder of acquisition is according to step（5）Described in low energy ball-milling technology ball milling 1.5h after,
According to step（6）Sintering parameter tested to obtain pure Cu-Ti samples；
By step（1）The sheet Cu-Ti powder of acquisition is with 0.2gCNTs powder according to step（5）Described in low energy ball milling work
After skill ball milling 1.5h, according to step（6）Sintering parameter tested to obtain CNTs/Cu-Ti composite materials；
By step（1）The sheet Cu-Ti powder of acquisition and 2g TiCl3Hydrolyze obtained TiO2Nanometer powder, according to step（5）
Described in low energy ball-milling technology ball milling 1.5h after, according to step（6）Sintering parameter tested to obtain TiO2/ Cu-Ti is multiple
Condensation material；
CNTs/TiO manufactured in the present embodiment2The consistency of Reinforced Cu-Ti based composites is 97.8%, and tensile strength is
389MPa, microhardness 128HV, conductivity are 78.4% IACS；Each performance parameter in contrast experiment is shown in Table lattice 3；
3 Cu-Ti of table, CNTs/ Cu-Ti, TiO2/ Cu-Ti and CNTs/TiO2The performance comparison of/Cu-Ti based composites
As a result
。
Embodiment 4：The present embodiment CNTs/TiO2The method of nano composite powder Reinforced Cu-Base Composites, specifically includes
Following steps：
（1）The Cu powder of 5 μm of grain sizes of 50g is placed in stainless steel jar mill, the mass ratio of steel ball and Cu powder is 10:1, add
Enter 200mL absolute ethyl alcohols submergence copper powder, ball milling 10h, rotating speed 250r/min, then filtering and the vacuum drying acquisition at 60 DEG C
Laminar Cu powder；
（2）By 1.0g single-walled carbon nanotubes（SWCNTs）It is placed in the mixed liquor of 60mL concentrated nitric acids and the 180mL concentrated sulfuric acids（=1 : 3）In, 50 DEG C of heating water bath, after ultrasonic disperse 240min filtering cleaning then fill at 60 DEG C to neutrality
Divide pretreated carbon nanotube after drying；
（3）The pretreated carbon nanotubes of 0.05g are added in the beaker for filling deionized water, pretreated carbon nanotube
Mass ratio with water is 1:400, carbon nano-tube aqueous solutions are obtained after ultrasound 3h at room temperature, are subsequently placed in 5 DEG C of water-bath；
（4）By 0.2g Ti2(SO4)3It is added in carbon nano-tube aqueous solutions, is obtained after sediment is filtered, washed drying
CNTs/TiO2Nano composite powder；
（5）By CNTs/TiO2Nano composite powder and step（1）The sheet Cu powder of acquisition is 1 according to mass ratio:99 ratio
After example mixing, low energy ball milling is carried out, the mass ratio of steel ball and Cu powder is 8:1, rotating speed 250r/min, ball milling 3h, to obtain
The uniform composite powder of ingredient；
（6）Uniformly mixed composite powder is placed in the graphite jig that internal diameter is 30mm, carries out discharge plasma sintering,
It is 800 DEG C, sintering pressure 40MPa that sintering temperature, which is arranged, keeps the temperature furnace cooling after 5min, obtains CNTs/TiO2It is nano combined
Powder Reinforced Cu-Base Composites.
Contrast experiment：
By step（1）The sheet Cu powder of acquisition is according to step（5）Described in low energy ball-milling technology ball milling 3h after, according to step
Suddenly（6）Sintering parameter tested to obtain pure Cu samples；
By step（1）The sheet Cu powder of acquisition is with 0.05gCNTs powder according to step（5）Described in low energy ball-milling technology
After ball milling 3h, according to step（6）Sintering parameter tested to obtain CNTs/Cu composite materials；
By step（1）The sheet Cu powder of acquisition and 2g Ti2(SO4)3Hydrolyze obtained TiO2Nanometer powder, according to step
（5）Described in low energy ball-milling technology ball milling 3h after, according to step（6）Sintering parameter tested to obtain TiO2/ Cu is compound
Material；
CNTs/TiO manufactured in the present embodiment2The consistency of Reinforced Cu-Base Composites is 95.1%, and tensile strength is
312MPa, microhardness 107HV, conductivity are 78.4% IACS；Each performance parameter in contrast experiment is shown in Table lattice 4；
4 Cu of table, CNTs/ Cu, TiO2/ Cu and CNTs/TiO2The performance comparison result of/Cu based composites；
。
Claims (4)
1. a kind of CNTs/TiO2The method of nano composite powder Reinforced Cu-Base Composites, it is characterised in that：It specifically includes following
Step：
（1）Cu powder or Cu alloys are placed in ball mill, addition absolute ethyl alcohol submergence Cu powder or Cu alloys, after 5 ~ 10h of ball milling
Filtering, is dried in vacuo at 40 ~ 80 DEG C；
（2）Carbon nanotube is placed in the mixed liquor of concentrated nitric acid and the concentrated sulfuric acid, heating water bath is to 30 ~ 80 DEG C, then ultrasonic disperse
Filtering cleaning fully obtains pretreated carbon nanotube, wherein concentrated nitric acid and the concentrated sulfuric acid to neutrality after drying after 10 ~ 180min
Volume ratio be 1:3~1:5；
（3）It is 1 in mass ratio by pretreated carbon nanotube:100 ~ 1:500 ratio is add to deionized water, and ultrasound obtains
Obtain finely dispersed carbon nano-tube aqueous solutions；
（4）Finely dispersed carbon nano-tube aqueous solutions are put into the water-bath of 0 ~ 15 DEG C of temperature, Ti salt, which is then added to carbon, receives
Then mixing in mitron aqueous solution is filtered, washs and dries, obtains CNTs/TiO2Nano composite powder, wherein Ti salt with
The mass ratio of pretreated carbon nanotube is 1:10~20:1；
（5）By CNTs/TiO2Nano composite powder and step（1）Cu powder or Cu alloys are 1 in mass ratio:15 ~ 1:100 ratio
Example mixing, then carries out low energy ball milling, and steel ball is 5 with the mass ratio of Cu powder or Cu alloys:1 ~ 10:1, Ball-milling Time 1 ~
3h, rotating speed are 100 ~ 200r/min, obtain composite powder；
（6）Uniformly mixed composite powder is placed in graphite jig, is subsequently placed in hot pressing furnace, sintering temperature 650 ~
850 DEG C, under 30 ~ 60MPa of sintering pressure, it is cooling after keeping the temperature 15 ~ 60min, obtain CNTs/TiO2Nano composite powder increases
Strong Cu based composites；
Wherein, step（1）Middle drum's speed of rotation is 100 ~ 400r/min；Steel ball is 10 with the mass ratio of Cu powder or Cu alloys:1
~ 20:1。
2. CNTs/TiO according to claim 12The method of nano composite powder Reinforced Cu-Base Composites, feature exist
In：Step（4）Ti salt is TiCl4、Ti(OEt)4、TiF4、TiCl3、Ti2(SO4)3In one kind or arbitrarily than several.
3. CNTs/TiO according to claim 12The method of nano composite powder Reinforced Cu-Base Composites, feature exist
In：Step（6）The sintering processing is hot pressed sintering, discharge plasma sintering or HIP sintering.
4. CNTs/TiO according to claim 12The method of nano composite powder Reinforced Cu-Base Composites, feature exist
In：Cu alloys are copper-titanium alloy, ormolu or cupromanganese.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710357404.XA CN107299237B (en) | 2017-05-19 | 2017-05-19 | A kind of CNTs/TiO2The method of nano composite powder Reinforced Cu-Base Composites |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710357404.XA CN107299237B (en) | 2017-05-19 | 2017-05-19 | A kind of CNTs/TiO2The method of nano composite powder Reinforced Cu-Base Composites |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107299237A CN107299237A (en) | 2017-10-27 |
| CN107299237B true CN107299237B (en) | 2018-10-23 |
Family
ID=60137176
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710357404.XA Active CN107299237B (en) | 2017-05-19 | 2017-05-19 | A kind of CNTs/TiO2The method of nano composite powder Reinforced Cu-Base Composites |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107299237B (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107974646A (en) * | 2017-11-27 | 2018-05-01 | 广西厚思品牌策划顾问有限公司 | A kind of high-strength copper based composites and preparation method thereof |
| CN108048684A (en) * | 2017-11-27 | 2018-05-18 | 西安理工大学 | A kind of preparation method of MWCNTs Reinforced Cus-Ti composite materials |
| CN108330312B (en) * | 2018-03-06 | 2021-07-23 | 昆明理工大学 | Preparation method of metal-coated graphene reinforced metal matrix composite material |
| CN108441662B (en) * | 2018-03-06 | 2021-07-23 | 昆明理工大学 | Preparation method of metal-coated carbon nanotube reinforced metal matrix composite |
| CN109957674B (en) * | 2019-03-26 | 2020-10-02 | 北京理工大学 | Method for preparing CNTs-GR/Cu-based composite material by directionally cracking CNTs under particle protection effect |
| CN113215435B (en) * | 2021-05-06 | 2022-03-08 | 西华大学 | Cr2AlC/copper-based composite material and preparation method thereof |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003089831A (en) * | 2001-07-12 | 2003-03-28 | Komatsu Ltd | Copper-based sintered sliding material and multi-layer sintered sliding member |
| CN104404404A (en) * | 2014-12-02 | 2015-03-11 | 宁波新睦新材料有限公司 | Preparation method of copper-based composite material and copper-based composite material |
| CN104630526B (en) * | 2014-12-30 | 2017-10-27 | 昆明理工大学 | A kind of method that microwave sintering prepares carbon nanotube reinforced copper-base composite material |
| CN106048275B (en) * | 2016-07-21 | 2018-09-28 | 中南大学深圳研究院 | A kind of preparation method of ceramic phase dispersion strengthening copper alloy |
-
2017
- 2017-05-19 CN CN201710357404.XA patent/CN107299237B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN107299237A (en) | 2017-10-27 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107299237B (en) | A kind of CNTs/TiO2The method of nano composite powder Reinforced Cu-Base Composites | |
| CN102719693B (en) | Graphene and carbon nanotube mixed enhanced metal-matrix composite material and preparation method thereof | |
| CN105624445B (en) | A kind of graphene strengthens the preparation method of Cu-base composites | |
| CN105081310A (en) | Method for preparing grapheme reinforced aluminum matrix composite material | |
| CN105458292B (en) | A kind of carbon nano tube/copper raw powder's production technology | |
| CN110331318B (en) | Graphene and carbon nanotube reinforced aluminum-based composite material and preparation method thereof | |
| CN103993192A (en) | Method for reinforcing metal material through graphene | |
| CN108559861A (en) | A method of preparing graphene reinforced aluminum matrix composites | |
| CN108145169A (en) | A kind of high-strength highly-conductive graphene enhancing Cu-base composites and preparation method and application | |
| CN105648249B (en) | A kind of preparation method of carbon nano tube enhanced aluminium base multilayer materials | |
| CN108624775A (en) | A kind of the graphene enhancing Cu-base composites and preparation method of supported copper | |
| CN107385269A (en) | A kind of method that carbon nanotube reinforced copper-base composite material is prepared using microwave | |
| CN107267792A (en) | A kind of preparation method of graphene enhancing copper or copper alloy bar | |
| CN108396168A (en) | A kind of preparation method of high-strength highly-conductive creep resistant graphene enhancing aluminum alloy materials | |
| CN109680176A (en) | A kind of graphene enhancing magnesium-based composite material and preparation method thereof | |
| CN106747431A (en) | A kind of Graphene ceramic composite powder and preparation method thereof | |
| CN110257662A (en) | A kind of copper-graphite alkene composite material and preparation method | |
| CN108048684A (en) | A kind of preparation method of MWCNTs Reinforced Cus-Ti composite materials | |
| CN111151765A (en) | Preparation method of three-dimensional structure nano carbon material reinforced copper-based composite material | |
| CN114574728B (en) | Cu-Y 3 Zr 4 O 12 Method for preparing composite material | |
| CN107815170A (en) | A kind of graphene coating masterbatch and preparation method | |
| CN111155039A (en) | Preparation process of carbon nano tube reinforced titanium-based composite material | |
| CN109234563A (en) | A kind of preparation method of novel graphene-metal-base composites | |
| CN111270171B (en) | Nano-carbon reinforced Mo-Cu-Zr composite material and preparation method thereof | |
| CN107127334B (en) | A kind of nano particle and preparation method thereof of carbide-metal nucleocapsid structure |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20200804 Address after: No. 19, Guangsheng Road, Nansha street, Nansha District, Guangzhou City, Guangdong Province Patentee after: Guangdong Huanuo Qingeng Material Technology Co.,Ltd. Address before: 650093 Kunming, Yunnan, Wuhua District Road, No. 253 Patentee before: Kunming University of Science and Technology |