CN104946922A - Preparation method for Ti3SiC2-Al automobile brake disc material - Google Patents
Preparation method for Ti3SiC2-Al automobile brake disc material Download PDFInfo
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- CN104946922A CN104946922A CN201510303885.7A CN201510303885A CN104946922A CN 104946922 A CN104946922 A CN 104946922A CN 201510303885 A CN201510303885 A CN 201510303885A CN 104946922 A CN104946922 A CN 104946922A
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- sic
- particles
- particle
- ti3sic2
- preparation
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- 239000000463 material Substances 0.000 title claims abstract description 23
- 238000002360 preparation method Methods 0.000 title claims abstract description 15
- 239000002245 particle Substances 0.000 claims abstract description 77
- 229910000838 Al alloy Inorganic materials 0.000 claims abstract description 26
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 17
- 229910052802 copper Inorganic materials 0.000 claims abstract description 17
- 239000010949 copper Substances 0.000 claims abstract description 17
- 238000007747 plating Methods 0.000 claims abstract description 14
- 230000007935 neutral effect Effects 0.000 claims abstract description 13
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 13
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims abstract description 11
- 239000000126 substance Substances 0.000 claims abstract description 11
- 238000003756 stirring Methods 0.000 claims abstract description 10
- 239000002783 friction material Substances 0.000 claims abstract description 8
- 238000001035 drying Methods 0.000 claims abstract description 6
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 15
- 239000012530 fluid Substances 0.000 claims description 10
- 239000013618 particulate matter Substances 0.000 claims description 6
- ROFVEXUMMXZLPA-UHFFFAOYSA-N Bipyridyl Chemical group N1=CC=CC=C1C1=CC=CC=N1 ROFVEXUMMXZLPA-UHFFFAOYSA-N 0.000 claims description 5
- WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 claims description 5
- 238000007772 electroless plating Methods 0.000 claims description 5
- 229910045601 alloy Inorganic materials 0.000 claims description 2
- 239000000956 alloy Substances 0.000 claims description 2
- 229910009817 Ti3SiC2 Inorganic materials 0.000 abstract 8
- 239000000203 mixture Substances 0.000 abstract 5
- 238000009835 boiling Methods 0.000 abstract 2
- 238000001914 filtration Methods 0.000 abstract 2
- 238000005406 washing Methods 0.000 abstract 2
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 abstract 1
- 238000010438 heat treatment Methods 0.000 abstract 1
- 229910017604 nitric acid Inorganic materials 0.000 abstract 1
- 229910052782 aluminium Inorganic materials 0.000 description 6
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 5
- 238000005266 casting Methods 0.000 description 4
- 239000002131 composite material Substances 0.000 description 4
- 239000004411 aluminium Substances 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000011159 matrix material Substances 0.000 description 2
- 229910001018 Cast iron Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 238000004512 die casting Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
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- Braking Arrangements (AREA)
- Chemically Coating (AREA)
- Manufacture Of Alloys Or Alloy Compounds (AREA)
Abstract
The invention discloses a preparation method for a Ti3SiC2-Al automobile brake disc material, and belongs to the technical field of brake disc materials. The preparation method comprises the following steps: taking Ti3SiC2 particles and adding the Ti3SiC2 particles into a nitric acid solution to obtain a mixture I, boiling and filtering the mixture I, and washing the particles with water until the particles are neutral, thereby obtaining pre-treated Ti3SiC2 particles; carrying out chemical copper plating on the Ti3SiC2 particles, washing the particles with water until the particles are neutral after the reaction is ended, boiling the particles in alcohol, and drying the particles after filtering to obtain copper-plated Ti3SiC2 particles; putting an aluminum alloy into a crucible, heating the aluminum alloy, adding pre-heated copper-plated Ti3SiC2 particles into the aluminum alloy to obtain a mixture II, stirring the mixture II, and pouring the mixture II into a test sample after the stirring is ended, thereby obtaining a friction material. According to the preparation method, the Ti3SiC2 particles are introduced into the aluminum alloy to prepare the Ti3SiC2-Al brake disc material, so that the heat conductivity coefficient can be effectively increased; and moreover, copper plating is carried out on the surfaces of the Ti3SiC2 particles, so that the compatibility between the particles and the aluminum alloy can be improved, and the wear resistance can be improved.
Description
Technical field
The present invention discloses a kind of Ti
3siC
2the preparation method of-Al braking automobile disk material, belongs to brake flange field of material technology.
Background technology
In recent years, along with the develop rapidly of automotive industry, automobile demand amount also improves constantly.Automotive industry has now developed into national mainstay industry.Brake flange is as key wear parts in brake system of car, and demand is also very large.The braking element that brake flange is stopped as automobile dish, determines the quality of braking automobile effect.Brake flange is also rotate in vehicle traveling process, and during brake, brake caliper is clamped brake flange and produces damping force.The brake flange relatively rotated is fixed thus plays deceleration or parking effect.
Closely during the last ten years, a lot of with the report of metal-base composites manufacture automobile brake disc.In material, producing by vacuum stirring mixing patented technology from 1986 can the particle enhanced aluminum-based composite material ingot casting of remelting, after ingot casting remelting, the explained hereafter such as employing sand mold, metal mold, fusible pattern, evaporative pattern, die casting, extrusion casting are complex-shaped, any surface finish, accurate in size high quality casting.Such as, with 10% ~ 20%Al
2o
3the A12024 composite material brake disc of particle reinforce, compared with cast iron brake flange, weight saving 40% ~ 60%, rapid heat dissipation and noise is little.Research shows, containing the aluminum matrix composite of 25%SiC, its modulus, intensity, thermal conductivity are all obviously better than HT200, and weight saving 50% ~ 60%.SiC particle can significantly improve the wear resisting property of matrix.
But the aluminium base brake flange material of above-mentioned SiC particle reinforce also exists the bad problem of heat conductivility.
Summary of the invention
The object of the invention is: the aluminium base brake flange material solving SiC particle reinforce also exists the bad problem of heat conductivility, passes through Ti
3siC
2particle introducing and improve the heat conductivility of brake flange material in particle surface copper coating.
Technical scheme:
A kind of Ti
3siC
2the preparation method of-Al braking automobile disk material, comprises the steps:
1st step, by weight, get Ti
3siC
2particle 5 ~ 8 parts, adds in the salpeter solution of 60 ~ 80 parts, boils, and filters, then washes particulate matter with water to neutral, obtains pretreated Ti
3siC
2particle;
2nd step, by Ti
3siC
2particle adopts electroless copper, after reaction terminates, washes particle with water to neutral, then boils in ethanol, filter post-drying, obtain copper-plated Ti
3siC
2particle;
3rd step, in crucible, put into aluminium alloy, be heated to 700 ~ 720 DEG C, then add the copper-plated Ti being preheated to 200 ~ 240 DEG C
3siC
2particle, stirs, and end after-pouring is sample, obtains friction materials.
In the 1st described step, the mass concentration of salpeter solution is 30 ~ 40%.
In the 2nd described step, Ti
3siC
2the weight ratio of particle and chemical plating fluid is 4:80 ~ 100.
In the 2nd described step, consisting of of the chemical plating fluid of electroless copper: CuSO
45H
2o 15 ~ 20g/L, HCHO 15 ~ 20 ml/L, NaOH 5 ~ 10g/L, Na
2eDTA 20 ~ 30g/L, 2,2 '-dipyridyl 0.01 ~ 0.05 g/L.
In the 2nd described step, the reaction of electroless plating is 45 ~ 55 DEG C.
In the 3rd described step, churning time is 1 ~ 3 hour.
In the 3rd described step, described aluminium alloy refers to that alloy designations is the aluminium alloy of ZL102.
In the 3rd described step, copper-plated Ti
3siC
2the weight ratio of particle and aluminium alloy is 1:8 ~ 12.
beneficial effect
The present invention adopts Ti
3siC
2particle is introduced in aluminium alloy and is prepared Ti
3siC
2-Al brake flange material, effectively can improve thermal conductivity, and pass through Ti
3siC
2particle surface copper plating treatment, effectively can improve the consistency of particle and aluminium alloy, improve wear resisting property.
Embodiment
Embodiment 1
1st step, by weight, get Ti
3siC
2particle 5 parts, adds in the 30wt% salpeter solution of 60 parts, boils, and filters, then washes particulate matter with water to neutral, obtains pretreated Ti
3siC
2particle;
2nd step, by Ti
3siC
2particle adopts electroless copper, Ti
3siC
2the weight ratio of particle and chemical plating fluid is 4:80, consisting of of the chemical plating fluid of electroless copper: CuSO
45H
2o 15g/L, HCHO 15 ml/L, NaOH 5g/L, Na
2eDTA 20g/L, 2,2 '-dipyridyl 0.01 g/L, the reaction of electroless plating is 45 DEG C, after reaction terminates, washes particle with water to neutral, then boils in ethanol, filter post-drying, obtain copper-plated Ti
3siC
2particle;
3rd step, in crucible, put into ZL102 aluminium alloy, be heated to 700 DEG C, then add the copper-plated Ti being preheated to 200 DEG C
3siC
2particle, copper-plated Ti
3siC
2the weight ratio of particle and aluminium alloy is 1:8, stirs, and churning time is 1 hour, and end after-pouring is sample, obtains friction materials.
Embodiment 2
1st step, by weight, get Ti
3siC
2particle 8 parts, adds in the 40wt% salpeter solution of 80 parts, boils, and filters, then washes particulate matter with water to neutral, obtains pretreated Ti
3siC
2particle;
2nd step, by Ti
3siC
2particle adopts electroless copper, Ti
3siC
2the weight ratio of particle and chemical plating fluid is 4:100, consisting of of the chemical plating fluid of electroless copper: CuSO
45H
2o 20g/L, HCHO 20 ml/L, NaOH 10g/L, Na
2eDTA30g/L, 2,2 '-dipyridyl 0.05 g/L, the reaction of electroless plating is 55 DEG C, after reaction terminates, washes particle with water to neutral, then boils in ethanol, filter post-drying, obtain copper-plated Ti
3siC
2particle;
3rd step, in crucible, put into ZL102 aluminium alloy, be heated to 720 DEG C, then add the copper-plated Ti being preheated to 240 DEG C
3siC
2particle, copper-plated Ti
3siC
2the weight ratio of particle and aluminium alloy is 1:12, stirs, and churning time is 3 hours, and end after-pouring is sample, obtains friction materials.
Embodiment 3
1st step, by weight, get Ti
3siC
2particle 7 parts, adds in the 35wt% salpeter solution of 70 parts, boils, and filters, then washes particulate matter with water to neutral, obtains pretreated Ti
3siC
2particle;
2nd step, by Ti
3siC
2particle adopts electroless copper, Ti
3siC
2the weight ratio of particle and chemical plating fluid is 4:90, consisting of of the chemical plating fluid of electroless copper: CuSO
45H
2o 18g/L, HCHO 18 ml/L, NaOH 8g/L, Na
2eDTA 25g/L, 2,2 '-dipyridyl 0.03 g/L, the reaction of electroless plating is 50 DEG C, after reaction terminates, washes particle with water to neutral, then boils in ethanol, filter post-drying, obtain copper-plated Ti
3siC
2particle;
3rd step, in crucible, put into ZL102 aluminium alloy, be heated to 710 DEG C, then add the copper-plated Ti being preheated to 220 DEG C
3siC
2particle, copper-plated Ti
3siC
2the weight ratio of particle and aluminium alloy is 1:10, stirs, and churning time is 2 hours, and end after-pouring is sample, obtains friction materials.
Reference examples 1
Be with the difference of embodiment 3: not to Ti
3siC
2particle carries out copper plating treatment.
1st step, by weight, get Ti
3siC
2particle 7 parts, adds in the 35wt% salpeter solution of 70 parts, boils, and filters, then washes particulate matter with water to neutral, obtains pretreated Ti
3siC
2particle;
2nd step, in crucible, put into ZL102 aluminium alloy, be heated to 710 DEG C, then add the pretreated Ti being preheated to 220 DEG C
3siC
2particle, copper-plated Ti
3siC
2the weight ratio of particle and aluminium alloy is 1:10, stirs, and churning time is 2 hours, and end after-pouring is sample, obtains friction materials.
Reference examples 2
Be with the difference of embodiment 3: employing be that traditional SiC particle is introduced in aluminium alloy.
In crucible, put into ZL102 aluminium alloy, be heated to 710 DEG C, then add the SiC particle being preheated to 220 DEG C, the weight ratio of SiC particle and aluminium alloy is 1:10, stirs, and churning time is 2 hours, and end after-pouring is sample, obtains friction materials.
Brake material is tested its room temperature tensile properties according to GB228, adopts thermal conductivity tester to measure its thermal conductivity (at 200 DEG C).
| Tensile strength/MPa | Yield strength/MPa | Thermal conductivity/W/ (mK) | Brake lining there is the cycle index of uniform tired microgroove | |
| Embodiment 1 | 285 | 256 | 129 | 12 times |
| Embodiment 2 | 270 | 258 | 128 | 12 times |
| Embodiment 3 | 310 | 262 | 135 | 14 times |
| Reference examples 1 | 287 | 253 | 112 | 9 times |
| Reference examples 2 | 259 | 237 | 102 | 7 times |
As can be seen from the table, automotive brake material provided by the invention has good intensive parameter and thermal conductivity, and wherein, reference examples 1 can be found out compared with embodiment 3, by by Ti
3siC
2after the copper coating of particle, effectively can improve thermal conductivity, and can improve the consistency of particle and aluminium due to the introducing of copper, wear resisting property have also been obtained raising; What adopt in reference examples 2 is traditional SiC particle, its to the raising degree of thermal conductivity and wear resisting property lower than Ti
3siC
2particle.
Claims (8)
1. a Ti
3siC
2the preparation method of-Al braking automobile disk material, is characterized in that, comprise the steps:
1st step, by weight, get Ti
3siC
2particle 5 ~ 8 parts, adds in the salpeter solution of 60 ~ 80 parts, boils, and filters, then washes particulate matter with water to neutral, obtains pretreated Ti
3siC
2particle;
2nd step, by Ti
3siC
2particle adopts electroless copper, after reaction terminates, washes particle with water to neutral, then boils in ethanol, filter post-drying, obtain copper-plated Ti
3siC
2particle;
3rd step, in crucible, put into aluminium alloy, be heated to 700 ~ 720 DEG C, then add the copper-plated Ti being preheated to 200 ~ 240 DEG C
3siC
2particle, stirs, and end after-pouring is sample, obtains friction materials.
2. Ti according to claim 1
3siC
2the preparation method of-Al braking automobile disk material, is characterized in that: in the 1st described step, the mass concentration of salpeter solution is 30 ~ 40%.
3. Ti according to claim 1
3siC
2the preparation method of-Al braking automobile disk material, is characterized in that: in the 2nd described step, Ti
3siC
2the weight ratio of particle and chemical plating fluid is 4:80 ~ 100.
4. Ti according to claim 1
3siC
2the preparation method of-Al braking automobile disk material, is characterized in that: in the 2nd described step, consisting of of the chemical plating fluid of electroless copper: CuSO
45H
2o 15 ~ 20g/L, HCHO 15 ~ 20 ml/L, NaOH 5 ~ 10g/L, Na
2eDTA 20 ~ 30g/L, 2,2 '-dipyridyl 0.01 ~ 0.05 g/L.
5. Ti according to claim 1
3siC
2the preparation method of-Al braking automobile disk material, is characterized in that: in the 2nd described step, and the reaction of electroless plating is 45 ~ 55 DEG C.
6. Ti according to claim 1
3siC
2the preparation method of-Al braking automobile disk material, is characterized in that: in the 3rd described step, churning time is 1 ~ 3 hour.
7. Ti according to claim 1
3siC
2the preparation method of-Al braking automobile disk material, is characterized in that: in the 3rd described step, and described aluminium alloy refers to that alloy designations is the aluminium alloy of ZL102.
8. Ti according to claim 1
3siC
2the preparation method of-Al braking automobile disk material, is characterized in that: in the 3rd described step, copper-plated Ti
3siC
2the weight ratio of particle and aluminium alloy is 1:8 ~ 12.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510303885.7A CN104946922B (en) | 2015-06-05 | 2015-06-05 | A kind of Ti3SiC2The preparation method of Al braking automobile disk materials |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510303885.7A CN104946922B (en) | 2015-06-05 | 2015-06-05 | A kind of Ti3SiC2The preparation method of Al braking automobile disk materials |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104946922A true CN104946922A (en) | 2015-09-30 |
| CN104946922B CN104946922B (en) | 2017-08-25 |
Family
ID=54161983
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510303885.7A Active CN104946922B (en) | 2015-06-05 | 2015-06-05 | A kind of Ti3SiC2The preparation method of Al braking automobile disk materials |
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| Country | Link |
|---|---|
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106048342A (en) * | 2016-06-14 | 2016-10-26 | 江西理工大学 | Particle hybrid aluminum base self-lubricating composite material and preparation method thereof |
| CN106868331A (en) * | 2017-01-20 | 2017-06-20 | 华南理工大学 | A kind of preparation method of three-dimensional netted Metal Substrate titanium Si-C composite material |
| CN107020374A (en) * | 2017-06-01 | 2017-08-08 | 西安工程大学 | A kind of Ti3SiC2The preparation method of/Cu composite conductive powders |
| CN117187613A (en) * | 2023-11-06 | 2023-12-08 | 江西金拉铜箔有限公司 | High-strength high-conductivity wear-resistant titanium silicon carbide reinforced tungsten copper alloy and preparation method thereof |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106048342A (en) * | 2016-06-14 | 2016-10-26 | 江西理工大学 | Particle hybrid aluminum base self-lubricating composite material and preparation method thereof |
| CN106868331A (en) * | 2017-01-20 | 2017-06-20 | 华南理工大学 | A kind of preparation method of three-dimensional netted Metal Substrate titanium Si-C composite material |
| CN107020374A (en) * | 2017-06-01 | 2017-08-08 | 西安工程大学 | A kind of Ti3SiC2The preparation method of/Cu composite conductive powders |
| CN107020374B (en) * | 2017-06-01 | 2019-03-26 | 西安工程大学 | A kind of Ti3SiC2The preparation method of/Cu composite conductive powder |
| CN117187613A (en) * | 2023-11-06 | 2023-12-08 | 江西金拉铜箔有限公司 | High-strength high-conductivity wear-resistant titanium silicon carbide reinforced tungsten copper alloy and preparation method thereof |
| CN117187613B (en) * | 2023-11-06 | 2024-03-29 | 江西金拉铜箔有限公司 | High-strength high-conductivity wear-resistant titanium silicon carbide reinforced tungsten copper alloy and preparation method thereof |
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