CN103273059A - Ti3SiC2 reinforced-bronze-based brake pad material for high speed railway and preparation method thereof - Google Patents
Ti3SiC2 reinforced-bronze-based brake pad material for high speed railway and preparation method thereof Download PDFInfo
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- CN103273059A CN103273059A CN2013102040102A CN201310204010A CN103273059A CN 103273059 A CN103273059 A CN 103273059A CN 2013102040102 A CN2013102040102 A CN 2013102040102A CN 201310204010 A CN201310204010 A CN 201310204010A CN 103273059 A CN103273059 A CN 103273059A
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Abstract
The invention provides a Ti3SiC2 reinforced-bronze-based brake pad material for a high speed railway and a preparation method thereof, and relates to a material and a preparation method thereof. The brake pad material and the preparation method aim to solve the technical problems that an existing brake pad material for the high speed railway is high in hardness of friction agents, and poor in plasticity, and the brake pad can seriously abrade auxiliary pair materials. The Ti3SiC2 reinforced-bronze-based brake pad material for the high speed railway is made from copper powder, Ti3SiC2 powder, iron powder, aluminum powder, manganese powder, nickel powder, silica, tin powder, graphite, boron nitride and molybdenum disulfide. The preparation method includes the steps of drying weighed raw materials, mixing the weighed raw materials in a ball-milling mode, placing the mixed raw material powder into a graphite mold, heating and loading the mixed raw material powder under vacuum protection, keeping the mixed raw material powder warm, and obtaining the Ti3SiC2 reinforced-bronze-based brake pad material. The Ti3SiC2 reinforced-bronze-based brake pad material has the advantages that the friction coefficient is stable, the abrasion rate is low, the friction performance is stable, abrasion on a brake disk is small, electric conduction and heat conduction performance is good, material yield is high, and machining is easy.
Description
Technical field
The present invention relates to a kind of metal-base composites for high-speed railway train brake lining and preparation method thereof, belong to the powdered metallurgical material technical field.
Background technology
Along with fast development of national economy, the railway passenger and freight freight volume increases sharply, and the high speed of railway transportation has become inevitable development trend.China points out at the Eleventh Five-Year Plan program outline, to progressively realize the Line for Passenger Transportation high speed, train speed per hour will be brought up to 200～250 kilometers, F-Zero should be greater than 300 kilometers, during 12 planning were formulated, high ferro was promoted to the field of first developing in the strategic new industry during 12 especially, along with the wide high ferro in capital and Harbin-to-Dalian high ferro are open to traffic, the progressively realization of " four vertical four horizontal strokes " railway Express Passenger passage, China has entered the high-speed railway epoch.The dependence on import but the brake lining material of China Express Railway is still needed, the high ferro brake lining of speed per hour still can't autonomous production more than 250 kilometers.
Improving constantly of train speed also proposed more and more stricter requirement to its braking ability.The development at present of used for high-speed railway brake pad material the most ripe most widely used be powder metallurgy friction material, it is by matrix, rubbing agent, lubricant is formed.Have a lot of problems but traditional powder metallurgy friction material is used at the high-speed railway brake pad: because the high-speed friction of train braking produces high temperature, this just requires material to have good thermal conductivity and causes the destruction of brake lining to prevent too high thermograde.And the rubbing agent in the prior powder metallurgy friction material such as silica, are combined and cause BE in the thermal conductivity factor that it is low and the interface a little less than matrix, the material monolithic thermal conductivity factor is reduced; Because rubbing agent hardness is very high and plasticity is very poor, can cause brake lining to the heavy wear of pair materials simultaneously; For reducing wearing and tearing, the prior powder metallurgy friction material will add lubricant such as the graphite of significant proportion, and this can influence the whole mechanical property of material greatly.
Summary of the invention
The objective of the invention is in order to solve existing used for high-speed railway brake pad material poor thermal conductivity, rubbing agent hardness height and plasticity are very poor, can cause brake lining to the technical problem of the heavy wear of pair materials, and a kind of used for high-speed railway Ti is provided
3SiC
2Strengthen bronze basic brake pad material and preparation method thereof.
Used for high-speed railway Ti
3SiC
2Strengthen bronze basic brake pad material according to volume parts by 45～75 parts of copper powders, 0.01～10 part of manganese powder, 0.01～12 part of aluminium powder, 1～30 part of Ti
3SiC
2Powder, 0.01～20 part of iron powder, 0.01～10 part of nickel powder, 0.01-10 part silica, 0.01～12 part of glass putty, 5～40 parts of graphite, 0.01～20 part of boron nitride and 0.01～10 part of molybdenum bisuphide are made.
Used for high-speed railway Ti
3SiC
2The preparation method who strengthens bronze basic brake pad material carries out according to following steps:
One, takes by weighing 45～75 parts of copper powders, 0.01～10 part of manganese powder, 0.01～12 part of aluminium powder, 1～30 part of Ti according to volume parts
3SiC
2Powder, 0.01～20 part of iron powder, 0.01～10 part of nickel powder, 0.01-10 part silica, 0.01～12 part of glass putty, 5～40 parts of graphite, 0.01～20 part of boron nitride and 0.01～10 part of molybdenum bisuphide;
Two, the raw material drying that step 1 is taken by weighing, and then ball milling mixed 12～36 hours, got raw meal;
Three, will put into graphite jig through the raw meal that step 2 obtains, with the programming rate raising temp and loading of 10 ℃/min, imposed load is 1～35MPa under the vacuum protection, when temperature rises to 700～1100 ℃, is incubated 0.5～6 hour, namely gets used for high-speed railway Ti
3SiC
2Strengthen bronze basic brake pad material.
Ti
3SiC
2It is a kind of ternary layered compound.It had both had the plurality of advantages of pottery, such as high-modulus (Young's modulus 326GPa, modulus of shearing 140GPa), high strength.Some performance (such as soft, can process, the good conductive heat conductivility has higher damage tolerance) that also has metal has certain self-lubricating function because it has with layer structure like the graphite-like simultaneously.Ternary layered ceramic Ti
3SiC
2Become the desirable wild phase of copper alloy because having above-mentioned excellent properties.
The invention provides a kind of with Ti
3SiC
2Be wild phase, copper alloy is matrix, and graphite and hexagonal boron nitride are the used for high-speed railway Ti of lubricant
3SiC
2Strengthen bronze basic brake pad material.
Advantage of the present invention is as follows:
1, with copper alloy powder with have the Ti of self-lubricating function
3SiC
2Powder is primary raw material;
2, utilize heat pressing process to make sintering, moulding is once finished, and need not double sintering and reprocessing;
3, has the controllable interface reaction by the synthetic composite of heat pressing process, with the different interfacial reactions of reaction temperature and combination degree difference;
4, product density height has good comprehensive mechanical properties, and (270MPa～350MPa), wearability is good, and electrical and thermal conductivity performance is good, finished material rate height for the compressive strength height;
5, brake lining material friction coefficient is stable, sells dish friction and wear test coefficient of friction and fluctuates about 0.35, and wear rate is low, and stable friction performance is little to the disc material wearing and tearing.
The specific embodiment
Technical solution of the present invention is not limited to the following cited specific embodiment, also comprises any combination between each specific embodiment.
The specific embodiment one: present embodiment used for high-speed railway Ti
3SiC
2Strengthen bronze basic brake pad material according to volume parts by 45～75 parts of copper powders, 0.01～10 part of manganese powder, 0.01～12 part of aluminium powder, 1～30 part of Ti
3SiC
2Powder, 0.01～20 part of iron powder, 0.01～10 part of nickel powder, 0.01～10 part of silica, 0.01～12 part of glass putty, 5～40 parts of graphite, 0.01～20 part of boron nitride and 0.01～10 part of molybdenum bisuphide are made.
The specific embodiment two: that present embodiment and the specific embodiment one are different is used for high-speed railway Ti
3SiC
2Strengthen bronze basic brake pad material according to volume parts by 48～68 parts of copper powders, 0.03～8 part of manganese powder, 0.5～11 part of aluminium powder, 2～28 parts of Ti
3SiC
2Powder, 1～23 part of iron powder, 0.1～11 part of nickel powder, 0.1～9 part of silica, 0.1～11 part of glass putty, 6～19 parts of graphite, 0.1～19 part of boron nitride and 0.1～9 part of molybdenum bisuphide are made.Other is identical with the specific embodiment one.
The specific embodiment three: that present embodiment is different with one of the specific embodiment one or two is used for high-speed railway Ti
3SiC
2Strengthen bronze basic brake pad material according to volume parts by 50～60 parts of copper powders, 0.5～6 part of manganese powder, 1～10 part of aluminium powder, 3～25 parts of Ti
3SiC
2Powder, 0.5～22 part of iron powder, 0.5～10 part of nickel powder, 0.2～8 part of silica, 0.5～10 part of glass putty, 8～18 parts of graphite, 0.5～18 part of boron nitride and 0.5～8 part of molybdenum bisuphide are made.Other and one of the specific embodiment one or two are inequality.
The specific embodiment four: that present embodiment is different with one of specific embodiment one to three is used for high-speed railway Ti
3SiC
2Strengthen bronze basic brake pad material according to volume parts by 52～53 parts of copper powders, 1～9 part of manganese powder, 3～9 parts of aluminium powders, 5～22 parts of Ti
3SiC
2Powder, 1～20 part of iron powder, 1～9 part of nickel powder, 1～7 part of silica, 1～8 part of glass putty, 9～15 parts of graphite, 1～15 part of boron nitride and 1～5 part of molybdenum bisuphide are made.Other is identical with one of specific embodiment one to three.
The specific embodiment five: that present embodiment is different with one of specific embodiment one to four is used for high-speed railway Ti
3SiC
2Strengthen bronze basic brake pad material according to volume parts by 45 parts of copper powders, 5 parts of manganese powders, 6 parts of aluminium powders, 20 parts of Ti
3SiC
2Powder, 10 parts of iron powders, 5 parts of nickel powders, 5 parts of silica, 5 parts of glass puttys, 10 parts of graphite, 5 parts of boron nitride and 4 parts of molybdenum bisuphide are made.Other is identical with one of specific embodiment one to four.
The specific embodiment six: that present embodiment is different with one of specific embodiment one to five is used for high-speed railway Ti
3SiC
2Strengthen bronze basic brake pad material according to volume parts by 60 parts of copper powders, 0.01～10 part of manganese powder, 0.01～12 part of aluminium powder, 30 parts of Ti
3SiC
2Powder, 25 parts of iron powders, 15 parts of nickel powders, 10 parts of silica, 12 parts of glass puttys, 40 parts of graphite, 20 parts of boron nitride and 9 parts of molybdenum bisuphide are made.Other is identical with one of specific embodiment one to five.
The specific embodiment seven: embodiment one described used for high-speed railway Ti
3SiC
2The preparation method who strengthens bronze basic brake pad material carries out according to following steps:
One, takes by weighing 45～75 parts of copper powders, 0.01～10 part of manganese powder, 0.01～12 part of aluminium powder, 1～30 part of Ti according to volume parts
3SiC
2Powder, 0.01～20 part of iron powder, 0.01～10 part of nickel powder, 0.01-10 part silica, 0.01～12 part of glass putty, 5～40 parts of graphite, 0.01～20 part of boron nitride and 0.01～10 part of molybdenum bisuphide;
Two, the raw material drying that step 1 is taken by weighing, and then ball milling mixed 12～36 hours, got raw meal;
Three, will put into graphite jig through the raw meal that step 2 obtains, with the programming rate raising temp and loading of 10 ℃/min, imposed load is 1～35MPa under the vacuum protection, when temperature rises to 700～1100 ℃, is incubated 0.5～6 hour, namely gets used for high-speed railway Ti
3SiC
2Strengthen bronze basic brake pad material.
The specific embodiment eight: present embodiment and the specific embodiment seven be that ball milling mixed 20 hours in the step 2.Other is identical with the specific embodiment seven.
The specific embodiment nine: what present embodiment was different with the specific embodiment seven or eight is that imposed load described in the step 3 is 20MPa.Other is identical with the specific embodiment seven or eight.
The specific embodiment ten: what present embodiment was different with one of specific embodiment seven to nine is to work as temperature in the step 3 to rise to 1000 ℃, is incubated 3 hours.Other is identical with one of specific embodiment seven to nine.
Adopt following verification experimental verification effect of the present invention:
Test one: used for high-speed railway Ti
3SiC
2The preparation method who strengthens bronze basic brake pad material carries out according to following steps:
One, height takes by weighing 45 parts of copper powders, 0.01 part of manganese powder, 12 parts of aluminium powders, 1 part of Ti according to volume parts
3SiC
2Powder, 0.01 part of iron powder, 0.01 part of nickel powder, 0.01 part of silica, 0.01 part of glass putty, 5 parts of graphite, 0.01 part of boron nitride and 0.01 part of molybdenum bisuphide;
Two, the raw material drying that step 1 is taken by weighing, and then ball milling mixed 12 hours, got raw meal;
Three, will put into graphite jig through the raw meal that step 2 obtains, with the programming rate raising temp and loading of 10 ℃/min, imposed load is 1MPa under the vacuum protection, when temperature rises to 700 ℃, is incubated 0.5 hour, namely gets used for high-speed railway Ti
3SiC
2Strengthen bronze basic brake pad material.
Test two: used for high-speed railway Ti
3SiC
2The preparation method who strengthens bronze basic brake pad material carries out according to following steps:
One, height takes by weighing 60 parts of copper powders, 10 parts of manganese powders, 12 parts of aluminium powders, 30 parts of Ti according to volume parts
3SiC
2Powder, 25 parts of iron powders, 15 parts of nickel powders, 10 parts of silica, 12 parts of glass puttys, 40 parts of graphite, 20 parts of boron nitride and 10 parts of molybdenum bisuphide;
Two, the raw material drying that step 1 is taken by weighing, and then ball milling mixed 36 hours, got raw meal;
Three, will put into graphite jig through the raw meal that step 2 obtains, with the programming rate raising temp and loading of 10 ℃/min, imposed load is 35MPa under the vacuum protection, when temperature rises to 1100 ℃, is incubated 6 hours, namely gets used for high-speed railway Ti
3SiC
2Strengthen bronze basic brake pad material.
Test three: used for high-speed railway Ti
3SiC
2The preparation method who strengthens bronze basic brake pad material carries out according to following steps:
One, height takes by weighing 48 parts of copper powders, 8 parts of manganese powders, 10 parts of aluminium powders, 3 parts of Ti according to volume parts
3SiC
2Powder, 3 parts of iron powders, 3 parts of nickel powders, 3 parts of silica, 3 parts of glass puttys, 8 parts of graphite, 3 parts of boron nitride and 3 parts of molybdenum bisuphide;
Two, the raw material drying that step 1 is taken by weighing, and then ball milling mixed 12～36 hours, got raw meal;
Three, will put into graphite jig through the raw meal that step 2 obtains, with the programming rate raising temp and loading of 10 ℃/min, imposed load is 4MPa under the vacuum protection, when temperature rises to 800 ℃, is incubated 2 hours, namely gets used for high-speed railway Ti
3SiC
2Strengthen bronze basic brake pad material.
Test four: used for high-speed railway Ti
3SiC
2The preparation method who strengthens bronze basic brake pad material carries out according to following steps:
One, height takes by weighing 50 parts of copper powders, 7 parts of manganese powders, 6 parts of aluminium powders, 8 parts of Ti according to volume parts
3SiC
2Powder, 6 parts of iron powders, 8 parts of nickel powders, 4 parts of silica, 6 parts of glass puttys, 9 parts of graphite, 8 parts of boron nitride and 2 parts of molybdenum bisuphide;
Two, the raw material drying that step 1 is taken by weighing, and then ball milling mixed 12～36 hours, got raw meal;
Three, will put into graphite jig through the raw meal that step 2 obtains, with the programming rate raising temp and loading of 10 ℃/min, imposed load is 8MPa under the vacuum protection, when temperature rises to 900 ℃, is incubated 3 hours, namely gets used for high-speed railway Ti
3SiC
2Strengthen bronze basic brake pad material.
Test five: used for high-speed railway Ti
3SiC
2The preparation method who strengthens bronze basic brake pad material carries out according to following steps:
One, height takes by weighing 55 parts of copper powders, 2 parts of manganese powders, 2 parts of aluminium powders, 20 parts of Ti according to volume parts
3SiC
2Powder, 20 parts of iron powders, 13 parts of nickel powders, 9 parts of silica, 10 parts of glass puttys, 19 parts of graphite, 18 parts of boron nitride and 8 parts of molybdenum bisuphide;
Two, the raw material drying that step 1 is taken by weighing, and then ball milling mixed 12～36 hours, got raw meal;
Three, will put into graphite jig through the raw meal that step 2 obtains, with the programming rate raising temp and loading of 10 ℃/min, imposed load is 30MPa under the vacuum protection, when temperature rises to 1000 ℃, is incubated 4 hours, namely gets used for high-speed railway Ti
3SiC
2Strengthen bronze basic brake pad material.
Claims (10)
1. used for high-speed railway Ti
3SiC
2Strengthen bronze basic brake pad material, it is characterized in that used for high-speed railway Ti
3SiC
2Strengthen bronze basic brake pad material according to volume parts by 45～75 parts of copper powders, 0.01～10 part of manganese powder, 0.01～12 part of aluminium powder, 1～30 part of Ti
3SiC
2Powder, 0.01～20 part of iron powder, 0.01～10 part of nickel powder, 0.01～10 part of silica, 0.01～12 part of glass putty, 5～40 parts of graphite, 0.01～20 part of boron nitride and 0.01～10 part of molybdenum bisuphide are made.
2. according to the described used for high-speed railway Ti of claim 1
3SiC
2Strengthen bronze basic brake pad material, it is characterized in that used for high-speed railway Ti
3SiC
2Strengthen bronze basic brake pad material according to volume parts by 48～68 parts of copper powders, 0.03～8 part of manganese powder, 0.5～11 part of aluminium powder, 2～28 parts of Ti
3SiC
2Powder, 1～23 part of iron powder, 0.1～11 part of nickel powder, 0.1～9 part of silica, 0.1～11 part of glass putty, 6～19 parts of graphite, 0.1～19 part of boron nitride and 0.1～9 part of molybdenum bisuphide are made.
3. according to the described used for high-speed railway Ti of claim 1
3SiC
2Strengthen bronze basic brake pad material, it is characterized in that used for high-speed railway Ti
3SiC
2Strengthen bronze basic brake pad material according to volume parts by 50～60 parts of copper powders, 0.5～6 part of manganese powder, 1～10 part of aluminium powder, 3～25 parts of Ti
3SiC
2Powder, 0.5～22 part of iron powder, 0.5～10 part of nickel powder, 0.2～8 part of silica, 0.5～10 part of glass putty, 8～18 parts of graphite, 0.5～18 part of boron nitride and 0.5～8 part of molybdenum bisuphide are made.
4. according to the described used for high-speed railway Ti of claim 1
3SiC
2Strengthen bronze basic brake pad material, it is characterized in that used for high-speed railway Ti
3SiC
2Strengthen bronze basic brake pad material according to volume parts by 52～53 parts of copper powders, 1～9 part of manganese powder, 3～9 parts of aluminium powders, 5～22 parts of Ti
3SiC
2Powder, 1～20 part of iron powder, 1～9 part of nickel powder, 1～7 part of silica, 1～8 part of glass putty, 9～15 parts of graphite, 1～15 part of boron nitride and 1～5 part of molybdenum bisuphide are made.
5. according to the described used for high-speed railway Ti of claim 1
3SiC
2Strengthen bronze basic brake pad material, it is characterized in that used for high-speed railway Ti
3SiC
2Strengthen bronze basic brake pad material according to volume parts by 45 parts of copper powders, 5 parts of manganese powders, 6 parts of aluminium powders, 20 parts of Ti
3SiC
2Powder, 10 parts of iron powders, 5 parts of nickel powders, 5 parts of silica, 5 parts of glass puttys, 10 parts of graphite, 5 parts of boron nitride and 4 parts of molybdenum bisuphide are made.
6. according to the described used for high-speed railway Ti of claim 1
3SiC
2Strengthen bronze basic brake pad material, it is characterized in that used for high-speed railway Ti
3SiC
2Strengthen bronze basic brake pad material according to volume parts by 60 parts of copper powders, 8 parts of manganese powders, 9 parts of aluminium powders, 30 parts of Ti
3SiC
2Powder, 25 parts of iron powders, 15 parts of nickel powders, 10 parts of silica, 12 parts of glass puttys, 40 parts of graphite, 20 parts of boron nitride and 9 parts of molybdenum bisuphide are made.
7. the described used for high-speed railway Ti of claim 1
3SiC
2Strengthen the preparation method of bronze basic brake pad material, it is characterized in that used for high-speed railway Ti
3SiC
2The preparation method who strengthens bronze basic brake pad material carries out according to following steps:
One, takes by weighing 45～75 parts of copper powders, 0.01～10 part of manganese powder, 0.01～12 part of aluminium powder, 1～30 part of Ti according to volume parts
3SiC
2Powder, 0.01～20 part of iron powder, 0.01～10 part of nickel powder, 0.01-10 part silica, 0.01～12 part of glass putty, 5～40 parts of graphite, 0.01～20 part of boron nitride and 0.01～10 part of molybdenum bisuphide;
Two, the raw material drying that step 1 is taken by weighing, and then ball milling mixed 12～36 hours, got raw meal;
Three, will put into graphite jig through the raw meal that step 2 obtains, with the programming rate raising temp and loading of 10 ℃/min, imposed load is 1～35MPa under the vacuum protection, when temperature rises to 700～1100 ℃, is incubated 0.5～6 hour, namely gets used for high-speed railway Ti
3SiC
2Strengthen bronze basic brake pad material.
8. according to the described used for high-speed railway Ti of claim 7
3SiC
2Strengthen the preparation method of bronze basic brake pad material, it is characterized in that ball milling mixed 20 hours in the step 2.
9. according to the described used for high-speed railway Ti of claim 7
3SiC
2Strengthen the preparation method of bronze basic brake pad material, it is characterized in that imposed load described in the step 3 is 20MPa.
10. according to the described used for high-speed railway Ti of claim 7
3SiC
2Strengthen the preparation method of bronze basic brake pad material, it is characterized in that working as in the step 3 temperature and rise to 1000 ℃, be incubated 3 hours.
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| CN108488280A (en) * | 2018-03-01 | 2018-09-04 | 燕山大学 | A kind of bullet train ceramic base brake block composite material |
| CN112207273A (en) * | 2020-09-02 | 2021-01-12 | 珠海弘德表面技术有限公司 | Wear-resistant long-service-life metal ceramic composite material and preparation method thereof |
| CN113563095A (en) * | 2020-04-28 | 2021-10-29 | 安泰科技股份有限公司 | Preparation method of metal ceramic brake pad and carbon ceramic brake disc and friction pair dual |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108488280A (en) * | 2018-03-01 | 2018-09-04 | 燕山大学 | A kind of bullet train ceramic base brake block composite material |
| CN108488280B (en) * | 2018-03-01 | 2020-10-16 | 燕山大学 | Ceramic-based brake pad composite material for high-speed train |
| CN113563095A (en) * | 2020-04-28 | 2021-10-29 | 安泰科技股份有限公司 | Preparation method of metal ceramic brake pad and carbon ceramic brake disc and friction pair dual |
| CN112207273A (en) * | 2020-09-02 | 2021-01-12 | 珠海弘德表面技术有限公司 | Wear-resistant long-service-life metal ceramic composite material and preparation method thereof |
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Application publication date: 20130904 |