CN102011043B - Preparation method of powder metallurgy material for train brake pad - Google Patents
Preparation method of powder metallurgy material for train brake pad Download PDFInfo
- Publication number
- CN102011043B CN102011043B CN2010106162919A CN201010616291A CN102011043B CN 102011043 B CN102011043 B CN 102011043B CN 2010106162919 A CN2010106162919 A CN 2010106162919A CN 201010616291 A CN201010616291 A CN 201010616291A CN 102011043 B CN102011043 B CN 102011043B
- Authority
- CN
- China
- Prior art keywords
- mmaterial
- preparation
- biscuit
- powder
- powder metallurgy
- 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
- 238000002360 preparation method Methods 0.000 title claims abstract description 18
- 238000004663 powder metallurgy Methods 0.000 title abstract description 15
- 239000000463 material Substances 0.000 title abstract description 13
- 238000005245 sintering Methods 0.000 claims abstract description 27
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 18
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 15
- 235000015895 biscuits Nutrition 0.000 claims abstract description 14
- 229910000616 Ferromanganese Inorganic materials 0.000 claims abstract description 10
- 239000000835 fiber Substances 0.000 claims abstract description 10
- DALUDRGQOYMVLD-UHFFFAOYSA-N iron manganese Chemical compound [Mn].[Fe] DALUDRGQOYMVLD-UHFFFAOYSA-N 0.000 claims abstract description 10
- 229920002239 polyacrylonitrile Polymers 0.000 claims abstract description 10
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 9
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 9
- 229910002804 graphite Inorganic materials 0.000 claims abstract description 9
- 239000010439 graphite Substances 0.000 claims abstract description 9
- CWQXQMHSOZUFJS-UHFFFAOYSA-N molybdenum disulfide Chemical compound S=[Mo]=S CWQXQMHSOZUFJS-UHFFFAOYSA-N 0.000 claims abstract description 9
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 claims abstract description 9
- 239000000377 silicon dioxide Substances 0.000 claims abstract description 9
- 238000000034 method Methods 0.000 claims description 19
- 229910000831 Steel Inorganic materials 0.000 claims description 13
- 239000010959 steel Substances 0.000 claims description 13
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims description 10
- 229910052739 hydrogen Inorganic materials 0.000 claims description 10
- 239000001257 hydrogen Substances 0.000 claims description 10
- 229960001866 silicon dioxide Drugs 0.000 claims description 8
- 235000012239 silicon dioxide Nutrition 0.000 claims description 8
- 239000000203 mixture Substances 0.000 claims 1
- 239000000843 powder Substances 0.000 abstract description 5
- 238000005516 engineering process Methods 0.000 abstract description 3
- 229910052582 BN Inorganic materials 0.000 abstract 1
- PZNSFCLAULLKQX-UHFFFAOYSA-N Boron nitride Chemical compound N#B PZNSFCLAULLKQX-UHFFFAOYSA-N 0.000 abstract 1
- 241000357293 Leptobrama muelleri Species 0.000 abstract 1
- 229910052982 molybdenum disulfide Inorganic materials 0.000 abstract 1
- 230000006835 compression Effects 0.000 description 14
- 238000007906 compression Methods 0.000 description 14
- 239000002783 friction material Substances 0.000 description 7
- 239000011159 matrix material Substances 0.000 description 7
- 229910052802 copper Inorganic materials 0.000 description 6
- 239000010949 copper Substances 0.000 description 6
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 2
- 238000003763 carbonization Methods 0.000 description 2
- 229920002994 synthetic fiber Polymers 0.000 description 2
- 229910017755 Cu-Sn Inorganic materials 0.000 description 1
- 229910017927 Cu—Sn Inorganic materials 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 210000000709 aorta Anatomy 0.000 description 1
- KUNSUQLRTQLHQQ-UHFFFAOYSA-N copper tin Chemical compound [Cu].[Sn] KUNSUQLRTQLHQQ-UHFFFAOYSA-N 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
Images
Abstract
The embodiment of the invention provides a preparation method of a powder metallurgy material for a train brake pad. The powder metallurgy material comprises the following components by weight percent: 40-50% of copper powder, 10-25% of iron powder, 8-15% of ferro-manganese ore powder, 2-7% of silica, 5-9% of molybdenum disulfide, 2-8% of aluminum oxide, 1-5% of boron nitride, 15-25% of graphite and 0.2-1% of polyacrylonitrile fiber. In the preparation method, the components are evenly mixed by a high speed stirrer and then pressed into a biscuit; and the biscuit is fixed on a support steel back, and the required powder metallurgy material is obtained by a high temperature sintering technology. The powder metallurgy material obtained by implementation of the technical scheme has the advantages of over 125 MPa of compressive strength, excellent friction stability and heat resistance, thus the compressive strength and braking performance of the brake pad can meet the braking requirements of a high-speed train with a speed of 300km/h or beyond.
Description
Technical field
The present invention relates to train and use the brake shoe field, relate in particular to the preparation method of a kind of train brake lining with mmaterial.
Background technology
At present, railway is the important foundation facility of country, the Aorta and the popular vehicles of national economy.In order to guarantee the operation of EMU high-speed secure, must possess stable and good breaking system, wherein brake pad is the key part and the consumable accessory of high-speed train braking system.Along with improving constantly of EMU travelling speed; The brake load of train also significantly increases; Brake lining is converted into heat energy with huge kinetic energy through friction during braking, so require the brake lining brake material should have higher physical strength, good thermotolerance and thermal conductivity, stable frictional behaviour, lower wearing and tearing and reduce the abrasion to wheel.
The brake lining material that generally uses in the prior art has two types of powder metallurgy and high molecular synthetic materials, and wherein high molecular synthetic material, poor heat resistance low because of intensity, heat decline seriously, can not be applicable to the brake request of speed per hour bullet train more than 300 kilometers; And powder metallurgy is through optimization of C and technology; Can reach the intensity height, thermal conductivity is good; Therefore advantages such as stable friction performance are that comparatively the ideal brake lining is used brake material, add metallic tin at present in the mmaterial system usually and form the Cu-Sn alloy to strengthen matrix; But because tin is low melting point metal (231.86 ℃); Therefore by the brake lining use temperature of the mmaterial of this matrix preparation below 500 ℃, and the intensity and the frictional behaviour of material will sharply fail after surpassing 500 ℃, can not effectively brake.
Summary of the invention
The embodiment of the invention provides the preparation method of a kind of train brake lining with mmaterial; The ultimate compression strength of the copper based powder metallurgy material that obtains through this preparation method surpasses 125Mpa; Have excellent friction stability and thermotolerance, thereby make the ultimate compression strength of brake lining and braking ability can satisfy speed per hour 300km/h and above high-speed train braking requirement.
The embodiment of the invention provides the preparation method of a kind of train brake lining with mmaterial, and each moity of said mmaterial is divided according to weight, comprises copper powder 40-50%; Iron powder 10-25%, ferromanganese breeze 8-15%, silicon-dioxide 2-7%; Molybdenumdisulphide 5-9%, aluminum oxide 2-8%, SP 1 1-5%; Graphite 15-25%, polyacrylonitrile fibre 0.2-1%, wherein:
Above-mentioned moity is mixed the compacting biscuit through impeller; This biscuit is fixed on the support steel backing, obtains needed mmaterial through high-sintering process.
Said above-mentioned moity is mixed the compacting biscuit through impeller; This biscuit is fixed on the support steel backing, obtains needed mmaterial, specifically comprise through high-sintering process:
Above-mentioned moity is mixed through impeller, and obtain pressed compact in 600MPa pressure pressed; This pressed compact is fixed on supports on the steel backing, passed through the sintering process sintering 3 hours down, obtain needed mmaterial at 920 ℃, 2MPa pressure, hydrogen shield.
Said sintering process specifically comprises:
The temperature of sintering oven is controlled at 850-950 ℃, and sintering pressure is controlled at 1-5MPa, and applies hydrogen shield.
Can find out that by the above-mentioned technical scheme that provides each moity of said mmaterial is divided according to weight, comprises copper powder 40-50%, iron powder 10-25%; Ferromanganese breeze 8-15%, silicon-dioxide 2-7%, molybdenumdisulphide 5-9%; Aluminum oxide 2-8%, SP 1 1-5%, graphite 15-25%; Polyacrylonitrile fibre 0.2-1% wherein mixes above-mentioned moity through impeller, the compacting biscuit; This biscuit is fixed on the support steel backing, obtains needed mmaterial through high-sintering process.Implement resulting mmaterial through technique scheme; Its ultimate compression strength surpasses 125Mpa; Have excellent friction stability and thermotolerance, thereby make the ultimate compression strength of brake lining and braking ability can satisfy speed per hour 300km/h and above high-speed train braking requirement.
Description of drawings
Fig. 1 provides the schematic flow sheet of train brake lining with the mmaterial preparation method for the embodiment of the invention.
Embodiment
The embodiment of the invention provides the preparation method of a kind of train brake lining with mmaterial; The ultimate compression strength of the copper based powder metallurgy material that obtains through this preparation method surpasses 125Mpa; Have excellent friction stability and thermotolerance, thereby make the ultimate compression strength of brake lining and braking ability can satisfy speed per hour 300km/h and above high-speed train braking requirement.
For better describing the embodiment of the invention, combine the accompanying drawing specific embodiments of the invention to describe at present, be illustrated in figure 1 as the embodiment of the invention schematic flow sheet of train brake lining with the mmaterial preparation method is provided, said method comprises:
Step 11: each moity of mmaterial is mixed through impeller, and be pressed into biscuit.
In concrete implementation procedure, each moity of this mmaterial is divided according to weight, can comprise copper powder 40%, iron powder 24.8%; Ferromanganese breeze 10%, silicon-dioxide 2%, molybdenumdisulphide 5%, aluminum oxide 2%; SP 1 1%, graphite 15%, polyacrylonitrile fibre 0.2%.
Said process specifically can be that moity is mixed through impeller, and obtains pressed compact in 600MPa pressure pressed.
Step 12: resulting biscuit is fixed on the support steel backing, obtains needed mmaterial through high-sintering process.
In concrete implementation procedure, can this pressed compact be fixed on and support on the steel backing, passed through the sintering process sintering 3 hours down at 920 ℃, 2MPa pressure, hydrogen shield, obtain needed mmaterial.This sintering process specifically comprises can be controlled at the temperature of sintering oven 850-950 ℃, and sintering pressure is controlled at 1-5MPa, and applies hydrogen shield.
In technique scheme, the employing metallic copper is a matrix, guarantees the good thermal conductivity of friction materials; Add the ferromanganese breeze as the matrix enhancing component, purpose is to improve the hot strength of copper matrix; Cooperate stupalith SP 1 with high thermal conductivity; Both guaranteed friction materials at high temperature performance do not fail with the high-temperature self-lubrication performance; Guaranteed the friction stability of friction materials when braking at a high speed again; Reduced the bonding and the clamping stagnation of brake lining and brake disk surface, and can not cause scratch brake disk surface.Polyacrylonitrile fibre is dispersed in the matrix after treatment, through the carbonization of sintering rear section, and in use continues carbonization, strengthens the stable friction of matrix.
The ultimate compression strength of the copper based powder metallurgy material for preparing through the foregoing description surpasses 125Mpa; Have excellent friction stability and thermotolerance, thereby make the ultimate compression strength of brake lining and braking ability can satisfy speed per hour 300km/h and above high-speed train braking requirement.
Come the preparation process of above-mentioned mmaterial is further specified with various concrete instances below:
Embodiment 1:
Prepare each component according to weight ratio: copper powder 40%, iron powder 24.8%, ferromanganese breeze 10%, silicon-dioxide 2%, molybdenumdisulphide 5%, aluminum oxide 2%, SP 1 1%, graphite 15%, polyacrylonitrile fibre 0.2%; Above-mentioned powder is mixed, obtain pressed compact in 600MPa pressure pressed; Pressed compact is fixed on supports on the steel backing, sintering is 3 hours under 920 ℃, 2MPa pressure, hydrogen shield, obtains powder metallurgy friction material.Hardness according to the mmaterial of above-mentioned prepared is 56HB, ultimate compression strength 125MPa.
Embodiment 2:
Prepare each component according to weight ratio: copper powder 43%, iron powder 12.6%, ferromanganese breeze 15%, silicon-dioxide 4%, molybdenumdisulphide 6%, aluminum oxide 3%, SP 1 2%, graphite 16%, polyacrylonitrile fibre 0.4%.Above-mentioned powder is mixed, obtain pressed compact in 600MPa pressure pressed; Pressed compact is fixed on supports on the steel backing, sintering is 3 hours under 900 ℃, 3MPa pressure, hydrogen shield, obtains powder metallurgy friction material.Hardness according to the mmaterial of above-mentioned prepared is 58HB, ultimate compression strength 132MPa.
Embodiment 3:
Prepare each component according to weight ratio: copper powder 40%, iron powder 10.6%, ferromanganese breeze 11%, silicon-dioxide 2%, molybdenumdisulphide 5%, aluminum oxide 2%, SP 1 5%, graphite 24%, polyacrylonitrile fibre 0.4%.Above-mentioned powder is mixed, obtain pressed compact in 600MPa pressure pressed; Pressed compact is fixed on supports on the steel backing, sintering is 3 hours under 950 ℃, 1MPa pressure, hydrogen shield, obtains powder metallurgy friction material.Hardness according to the mmaterial of above-mentioned prepared is 53HB, ultimate compression strength 128MPa.
Embodiment 4:
Prepare each component according to weight ratio: copper powder 45%, iron powder 10%, ferromanganese breeze 10%, silicon-dioxide 5%, molybdenumdisulphide 3.2%, aluminum oxide 4%, SP 1 3%, graphite 19%, polyacrylonitrile fibre 0.8%.Above-mentioned powder is mixed, obtain pressed compact in 600MPa pressure pressed; Pressed compact is fixed on supports on the steel backing, sintering is 3 hours under 850 ℃, 5MPa pressure, hydrogen shield, obtains powder metallurgy friction material.Hardness according to the mmaterial of above-mentioned prepared is 55HB, ultimate compression strength 140MPa.
This shows; The ultimate compression strength of the copper based powder metallurgy material that obtains through this preparation method surpasses 125Mpa; Have excellent friction stability and thermotolerance, thereby make the ultimate compression strength of brake lining and braking ability can satisfy speed per hour 300km/h and above high-speed train braking requirement.
The above; Be merely the preferable embodiment of the present invention, but protection scope of the present invention is not limited thereto, any technician who is familiar with the present technique field is in the technical scope that the present invention discloses; The variation that can expect easily or replacement all should be encompassed within protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion with the protection domain of claims.
Claims (3)
1. a train brake lining is characterized in that with the preparation method of mmaterial each moity of said mmaterial is divided according to weight, comprises copper powder 40-50%; Iron powder 10-25%, ferromanganese breeze 8-15%, silicon-dioxide 2-7%; Molybdenumdisulphide 5-9%, aluminum oxide 2-8%, SP 1 1-5%; Graphite 15-25%, polyacrylonitrile fibre 0.2-1%, wherein:
Above-mentioned composition is mixed the compacting biscuit through impeller; This biscuit is fixed on the support steel backing, obtains needed mmaterial through high-sintering process.
2. preparation method as claimed in claim 1 is characterized in that, said above-mentioned moity is mixed the compacting biscuit through impeller; This biscuit is fixed on the support steel backing, obtains needed mmaterial through high-sintering process, aforesaid operations is specifically realized by following mode:
Above-mentioned moity is mixed through impeller, and obtain pressed compact in 600MPa pressure pressed; This pressed compact is fixed on supports on the steel backing, passed through the sintering process sintering 3 hours down, obtain needed mmaterial at 920 ℃, 2MPa pressure, hydrogen shield.
3. preparation method as claimed in claim 1 is characterized in that, said sintering process specifically comprises:
The temperature of sintering oven is controlled at 850-950 ℃, and sintering pressure is controlled at 1-5MPa, and applies hydrogen shield.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010106162919A CN102011043B (en) | 2010-12-30 | 2010-12-30 | Preparation method of powder metallurgy material for train brake pad |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010106162919A CN102011043B (en) | 2010-12-30 | 2010-12-30 | Preparation method of powder metallurgy material for train brake pad |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102011043A CN102011043A (en) | 2011-04-13 |
| CN102011043B true CN102011043B (en) | 2012-07-25 |
Family
ID=43841370
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010106162919A Active CN102011043B (en) | 2010-12-30 | 2010-12-30 | Preparation method of powder metallurgy material for train brake pad |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102011043B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103115097A (en) * | 2013-02-05 | 2013-05-22 | 博深工具股份有限公司 | Friction block of brake block of high speed train and preparation method thereof |
| CN105063459A (en) * | 2015-07-20 | 2015-11-18 | 广西民族大学 | Copper-based powder metallurgy friction material for high-speed train braking and preparation method thereof |
Families Citing this family (28)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102367526B (en) * | 2011-10-20 | 2013-02-27 | 北京科技大学 | Method for preparing evenly dispersed metal matrix composite friction material through mechanical alloying |
| CN103244586B (en) * | 2013-05-20 | 2015-08-05 | 湖南鼎懋科技有限公司 | For the metal-based powder metallurgy brake pad and preparation method thereof of bullet train |
| CN103273058A (en) * | 2013-05-28 | 2013-09-04 | 哈尔滨工业大学 | Ti2AlC reinforced bronze-based brake pad material used for high-speed railway and preparation method thereof |
| CN103273057A (en) * | 2013-05-28 | 2013-09-04 | 哈尔滨工业大学 | Cr2AlC reinforced bronze-based brake pad material used for high-speed railway and preparation method thereof |
| CN103273060A (en) * | 2013-05-28 | 2013-09-04 | 哈尔滨工业大学 | Ti2AlC reinforced copper-based brake pad material used for high-speed railway and preparation method thereof |
| CN103273059A (en) * | 2013-05-28 | 2013-09-04 | 哈尔滨工业大学 | Ti3SiC2 reinforced-bronze-based brake pad material for high speed railway and preparation method thereof |
| CN103486172B (en) * | 2013-10-15 | 2015-10-28 | 句容市睿远科技有限公司 | A kind of high ferro train brake shoe friction piece material and preparation method thereof |
| CN103785824B (en) * | 2013-12-12 | 2017-05-03 | 北京优材百慕航空器材有限公司 | Powder metallurgy friction pair for braking of heavy-load vehicle and preparation technology thereof |
| CN104384499A (en) * | 2014-10-28 | 2015-03-04 | 苏州莱特复合材料有限公司 | Powder metallurgy composite material and preparation method thereof |
| CN104388822B (en) * | 2014-10-31 | 2016-10-05 | 青岛玉兰祥商务服务有限公司 | A kind of brake block powdered metallurgical material and preparation method thereof |
| CN105983687B (en) * | 2015-02-10 | 2019-03-05 | 苏州东南佳新材料股份有限公司 | A kind of material being used to prepare use for electric locomotive powder metallurgy brake block |
| CN105154798A (en) * | 2015-08-31 | 2015-12-16 | 苏州莱特复合材料有限公司 | Fiber reinforced high-temperature-resistant powder metallurgy material and preparation method thereof |
| CN105108136A (en) * | 2015-09-23 | 2015-12-02 | 徐�明 | High-temperature alloy fiber powder metallurgy material and preparing method thereof |
| CN105734421A (en) * | 2016-03-22 | 2016-07-06 | 苏州莱特复合材料有限公司 | Powder metallurgy material for brake and preparation method of powder metallurgy material |
| CN106011520A (en) * | 2016-06-28 | 2016-10-12 | 杭州前进齿轮箱集团股份有限公司 | Dry copper-base powder metallurgy friction material used for clutch and preparing method of dry copper-base powder metallurgy friction material |
| CN106048446A (en) * | 2016-08-15 | 2016-10-26 | 合肥万向钱潮汽车零部件有限公司 | Automobile brake bottom plate |
| CN106086585B (en) * | 2016-08-17 | 2017-11-28 | 西安交通大学 | A kind of copper and iron base braking composite material and preparation method thereof |
| CN106424708A (en) * | 2016-10-21 | 2017-02-22 | 广西南宁智翠科技咨询有限公司 | High-heat-resistance powder metallurgy material for train brake lining |
| CN106424709A (en) * | 2016-10-21 | 2017-02-22 | 广西南宁智翠科技咨询有限公司 | High hardness powder metallurgy material for train brake lining |
| CN106424710A (en) * | 2016-10-21 | 2017-02-22 | 广西南宁智翠科技咨询有限公司 | High compression resistant strength powder metallurgy material for train brake lining |
| CN106392062A (en) * | 2016-10-21 | 2017-02-15 | 广西南宁智翠科技咨询有限公司 | Powder metallurgy material for train brake pad |
| CN106312052A (en) * | 2016-10-21 | 2017-01-11 | 广西南宁智翠科技咨询有限公司 | High-density powder metallurgy material for train brake lining |
| CN107142392B (en) * | 2017-04-26 | 2018-12-28 | 湖南博科瑞新材料有限责任公司 | A kind of friction materials for high-speed train braking and preparation method thereof, bullet train brake shoes and bullet train brake lining |
| CN106979267A (en) * | 2017-05-16 | 2017-07-25 | 北京瑞斯福高新科技股份有限公司 | A kind of high-speed train powder metallurgy brake pad brake pad and preparation method |
| CN107338388A (en) * | 2017-06-29 | 2017-11-10 | 北京科技大学 | A kind of preparation method of inexpensive powder metallurgy friction material |
| CN108160984A (en) * | 2017-12-27 | 2018-06-15 | 洛阳神佳窑业有限公司 | A kind of powdered metallurgical material |
| CN108726489A (en) * | 2018-07-03 | 2018-11-02 | 贵州大学 | A kind of technique of ardealite and coal ash for manufacturing train brake pad material coproduction acid |
| CN110042317B (en) * | 2019-03-29 | 2021-07-16 | 湖北汽车工业学院 | High-wear-resistance Fe-Cu-based powder metallurgy composite material and preparation method thereof |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1844204A (en) * | 2006-05-12 | 2006-10-11 | 上海培盟材料科技有限公司 | Friction materials for high-speed train braking and method for preparing same |
| CN1995436A (en) * | 2006-11-03 | 2007-07-11 | 大连交通大学 | Copper base particle reinforced friction material |
| CN101162032A (en) * | 2006-10-13 | 2008-04-16 | 贵州新安航空机械有限责任公司 | Powder metallurgy iron-based high-speed brake pad |
| CN101280374A (en) * | 2008-05-16 | 2008-10-08 | 中南大学 | Powder metallurgy brake pad material for high speed multiple unit and preparation thereof |
| CN101493127A (en) * | 2008-10-31 | 2009-07-29 | 贵州新安航空机械有限责任公司 | Copper-based powder metallurgy high speed brake lining |
| CN101644304A (en) * | 2009-09-04 | 2010-02-10 | 大连交通大学 | Metal base firing brake block with double-layer structure and manufacturing method thereof |
-
2010
- 2010-12-30 CN CN2010106162919A patent/CN102011043B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1844204A (en) * | 2006-05-12 | 2006-10-11 | 上海培盟材料科技有限公司 | Friction materials for high-speed train braking and method for preparing same |
| CN101162032A (en) * | 2006-10-13 | 2008-04-16 | 贵州新安航空机械有限责任公司 | Powder metallurgy iron-based high-speed brake pad |
| CN1995436A (en) * | 2006-11-03 | 2007-07-11 | 大连交通大学 | Copper base particle reinforced friction material |
| CN101280374A (en) * | 2008-05-16 | 2008-10-08 | 中南大学 | Powder metallurgy brake pad material for high speed multiple unit and preparation thereof |
| CN101493127A (en) * | 2008-10-31 | 2009-07-29 | 贵州新安航空机械有限责任公司 | Copper-based powder metallurgy high speed brake lining |
| CN101644304A (en) * | 2009-09-04 | 2010-02-10 | 大连交通大学 | Metal base firing brake block with double-layer structure and manufacturing method thereof |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103115097A (en) * | 2013-02-05 | 2013-05-22 | 博深工具股份有限公司 | Friction block of brake block of high speed train and preparation method thereof |
| CN103115097B (en) * | 2013-02-05 | 2015-10-28 | 博深工具股份有限公司 | Brake block for high-speed train brake pad and preparation method thereof |
| CN105063459A (en) * | 2015-07-20 | 2015-11-18 | 广西民族大学 | Copper-based powder metallurgy friction material for high-speed train braking and preparation method thereof |
| CN105063459B (en) * | 2015-07-20 | 2017-05-17 | 广西民族大学 | Copper-based powder metallurgy friction material for high-speed train braking and preparation method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102011043A (en) | 2011-04-13 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102011043B (en) | Preparation method of powder metallurgy material for train brake pad | |
| CN103244586B (en) | For the metal-based powder metallurgy brake pad and preparation method thereof of bullet train | |
| CN102191014B (en) | Friction material used for braking of high-speed train | |
| CN110184495B (en) | Powder metallurgy friction material for high-speed motor train unit and preparation method thereof | |
| CN105063459A (en) | Copper-based powder metallurgy friction material for high-speed train braking and preparation method thereof | |
| CN102560183A (en) | Friction material of brake sheet for rail transit vehicle brake system, and preparation method and application of friction material | |
| CN104877629A (en) | Powder metallurgy friction material for high-speed train brake pad and preparation method thereof | |
| CN106399743A (en) | Super-simple component powder metallurgy friction material for high-speed train brake pad | |
| CN110253016B (en) | Powder metallurgy friction material for railway carriage and preparation method thereof | |
| CN103115097A (en) | Friction block of brake block of high speed train and preparation method thereof | |
| CN105506346A (en) | Powder metallurgy brake pad friction material and preparation method thereof | |
| CN103668012B (en) | A kind of enhancement type Cu-base composites and its preparation method and application | |
| CN105618766A (en) | Powder metallurgy brake lining friction block for high-speed train and preparation method thereof | |
| CN106979267A (en) | A kind of high-speed train powder metallurgy brake pad brake pad and preparation method | |
| CN107012358A (en) | A kind of brake pad powder metallurgy friction material and preparation technology | |
| CN106636993A (en) | Train brake pad powder metallurgy material with high friction heat stability | |
| CN101799053B (en) | Metal-based yaw brake block for wind-powdered generator and manufacture method thereof | |
| CN109513914B (en) | Powder metallurgy friction material, powder metallurgy brake pad and preparation method thereof | |
| CN102506107B (en) | Wet type friction clutch disc material for transmitting high power and preparation process | |
| CN106312052A (en) | High-density powder metallurgy material for train brake lining | |
| CN112059170B (en) | High-performance powder metallurgy brake pad and preparation method thereof | |
| CN105927686A (en) | Friction material of high-speed train brake pad and preparation method | |
| CN106838079A (en) | A kind of extremely frigid zones bullet train brake pad metallurgical friction material | |
| CN106392062A (en) | Powder metallurgy material for train brake pad | |
| CN207213000U (en) | A kind of high-speed train powder metallurgy brake pad brake pad |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: BEIJING RAILWAY STAR FORTUNE HIGH-TECH CO., LTD. Free format text: FORMER NAME: BEIJING RUISIFU TECHNOLOGY CO., LTD. |
|
| CP03 | Change of name, title or address |
Address after: 102200 Beijing science and Technology Park of Changping District Bai Fu Road 10 Beikong science and technology building 1006B Patentee after: BEIJING RAILWAY STAR FORTUNE HIGH-TECH Co.,Ltd. Address before: 102200, A316, Zhongxing Road, 10 Changping District science and Technology Park, Beijing Patentee before: Beijing Railway Star Fortune Technology Co.,Ltd. |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: Preparation method of powder metallurgy material for train brake pad Effective date of registration: 20150130 Granted publication date: 20120725 Pledgee: Tianjin Jixian County town bank Limited by Share Ltd. Pledgor: BEIJING RAILWAY STAR FORTUNE HIGH-TECH Co.,Ltd. Registration number: 2015990000085 |
|
| PLDC | Enforcement, change and cancellation of contracts on pledge of patent right or utility model | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20160106 Granted publication date: 20120725 Pledgee: Tianjin Jixian County town bank Limited by Share Ltd. Pledgor: BEIJING RAILWAY STAR FORTUNE HIGH-TECH Co.,Ltd. Registration number: 2015990000085 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: Preparation method of powder metallurgy material for train brake pad Effective date of registration: 20160106 Granted publication date: 20120725 Pledgee: Jixian County Tianjin village and town bank, Limited by Share Ltd. Pledgor: BEIJING RAILWAY STAR FORTUNE HIGH-TECH Co.,Ltd. Registration number: 2016990000001 |
|
| PLDC | Enforcement, change and cancellation of contracts on pledge of patent right or utility model | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20180105 Granted publication date: 20120725 Pledgee: Jizhou village bank Limited by Share Ltd. Li Ming Zhuang Tianjin City Branch Pledgor: BEIJING RAILWAY STAR FORTUNE HIGH-TECH Co.,Ltd. Registration number: 2016990000001 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: Preparation method of powder metallurgy material for train brake pad Effective date of registration: 20180105 Granted publication date: 20120725 Pledgee: Jizhou village bank Limited by Share Ltd. Li Ming Zhuang Tianjin City Branch Pledgor: BEIJING RAILWAY STAR FORTUNE HIGH-TECH Co.,Ltd. Registration number: 2018990000016 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PM01 | Change of the registration of the contract for pledge of patent right | ||
| PM01 | Change of the registration of the contract for pledge of patent right |
Change date: 20180105 Registration number: 2016990000001 Pledgee after: Jizhou village bank Limited by Share Ltd. Li Ming Zhuang Tianjin City Branch Pledgee before: Jixian County Tianjin village and town bank, Limited by Share Ltd. |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20200119 Granted publication date: 20120725 Pledgee: Jizhou village bank Limited by Share Ltd. Li Ming Zhuang Tianjin City Branch Pledgor: BEIJING RAILWAY STAR FORTUNE HIGH-TECH Co.,Ltd. Registration number: 2018990000016 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: Preparation method of powder metallurgy material for train brake pad Effective date of registration: 20200429 Granted publication date: 20120725 Pledgee: Tianjin Jizhou Village Bank Co.,Ltd. Pledgor: BEIJING RAILWAY STAR FORTUNE HIGH-TECH Co.,Ltd. Registration number: Y2020120000014 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20210114 Granted publication date: 20120725 Pledgee: Tianjin Jizhou Village Bank Co.,Ltd. Pledgor: BEIJING RAILWAY STAR FORTUNE HIGH-TECH Co.,Ltd. Registration number: Y2020120000014 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: A preparation method of powder metallurgy material for train brake pad Effective date of registration: 20210416 Granted publication date: 20120725 Pledgee: Tianjin Jizhou Village Bank Co.,Ltd. Pledgor: BEIJING RAILWAY STAR FORTUNE HIGH-TECH Co.,Ltd. Registration number: Y2021120000012 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20220817 Granted publication date: 20120725 Pledgee: Tianjin Jizhou Village Bank Co.,Ltd. Pledgor: BEIJING RAILWAY STAR FORTUNE HIGH-TECH Co.,Ltd. Registration number: Y2021120000012 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: A kind of preparation method of powder metallurgy material for train brake piece Effective date of registration: 20220818 Granted publication date: 20120725 Pledgee: Tianjin Jizhou Village Bank Co.,Ltd. Pledgor: BEIJING RAILWAY STAR FORTUNE HIGH-TECH Co.,Ltd. Registration number: Y2022120000047 |