GB769212A - Improved friction material for brakes - Google Patents
Improved friction material for brakesInfo
- Publication number
- GB769212A GB769212A GB14427/54A GB1442754A GB769212A GB 769212 A GB769212 A GB 769212A GB 14427/54 A GB14427/54 A GB 14427/54A GB 1442754 A GB1442754 A GB 1442754A GB 769212 A GB769212 A GB 769212A
- Authority
- GB
- United Kingdom
- Prior art keywords
- per cent
- molybdenum
- mullite
- friction material
- tungsten
- 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.)
- Expired
Links
- 239000002783 friction material Substances 0.000 title abstract 3
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 abstract 3
- KZHJGOXRZJKJNY-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Si]=O.O=[Al]O[Al]=O.O=[Al]O[Al]=O.O=[Al]O[Al]=O KZHJGOXRZJKJNY-UHFFFAOYSA-N 0.000 abstract 3
- 229910052750 molybdenum Inorganic materials 0.000 abstract 3
- 239000011733 molybdenum Substances 0.000 abstract 3
- 229910052863 mullite Inorganic materials 0.000 abstract 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 abstract 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 abstract 2
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 abstract 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 abstract 2
- 229910052802 copper Inorganic materials 0.000 abstract 2
- 239000010949 copper Substances 0.000 abstract 2
- 230000008018 melting Effects 0.000 abstract 2
- 238000002844 melting Methods 0.000 abstract 2
- 239000000203 mixture Substances 0.000 abstract 2
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 abstract 2
- 229910052721 tungsten Inorganic materials 0.000 abstract 2
- 239000010937 tungsten Substances 0.000 abstract 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 abstract 1
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 abstract 1
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 abstract 1
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 abstract 1
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 abstract 1
- 230000003078 antioxidant effect Effects 0.000 abstract 1
- 239000011230 binding agent Substances 0.000 abstract 1
- 230000015572 biosynthetic process Effects 0.000 abstract 1
- 239000000919 ceramic Substances 0.000 abstract 1
- 229910010293 ceramic material Inorganic materials 0.000 abstract 1
- 229910052593 corundum Inorganic materials 0.000 abstract 1
- 229910002804 graphite Inorganic materials 0.000 abstract 1
- 239000010439 graphite Substances 0.000 abstract 1
- 229910052742 iron Inorganic materials 0.000 abstract 1
- 239000000314 lubricant Substances 0.000 abstract 1
- 239000011159 matrix material Substances 0.000 abstract 1
- 229910052751 metal Inorganic materials 0.000 abstract 1
- 239000002184 metal Substances 0.000 abstract 1
- 150000002739 metals Chemical class 0.000 abstract 1
- 229910052759 nickel Inorganic materials 0.000 abstract 1
- 239000002245 particle Substances 0.000 abstract 1
- 239000000377 silicon dioxide Substances 0.000 abstract 1
- 230000003068 static effect Effects 0.000 abstract 1
- 239000011135 tin Substances 0.000 abstract 1
- 229910052718 tin Inorganic materials 0.000 abstract 1
- 239000010936 titanium Substances 0.000 abstract 1
- 229910052719 titanium Inorganic materials 0.000 abstract 1
- 229910001845 yogo sapphire Inorganic materials 0.000 abstract 1
- 229910052725 zinc Inorganic materials 0.000 abstract 1
- 239000011701 zinc Substances 0.000 abstract 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D69/00—Friction linings; Attachment thereof; Selection of coacting friction substances or surfaces
- F16D69/02—Composition of linings ; Methods of manufacturing
- F16D69/027—Compositions based on metals or inorganic oxides
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Inorganic Chemistry (AREA)
- Mechanical Engineering (AREA)
- Braking Arrangements (AREA)
Abstract
A friction material for brake linings is formed by a sintered mixture of mullite (3 Al2O3. 2SIO2) and a metallic binder in which said mixture includes a component, particularly molybdenum or tungsten, which acts to inhibit the formation on the friction surface of a high melting point glaze which by causing an excessive rate of torque increase as static friction conditions are approached produces brake chatter. The molybdenum or tungsten have anti-oxidant properties which prevent the existence of iron in its highest valence form thereby maintaining a lower melting point "glaze" a 12,5 per cent maximum proportion by weight of molybdenum being suggested. The proportion of ceramic material, predominantly mullite, may be about 43 per cent, the remaining 35-65 per cent being selected from the metals copper, nickel, titanium, zinc or tin of which copper may form up to about 84 per cent, forming a matrix in which mullite particles are embedded. A second ceramic such as silica may be added, and also a lubricant formed by graphite, hardcoal or lead. An apparatus for testing specimens of the friction material when raised to an appropriate temperature is described. Specification 740,820 is referred to.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US769212XA | 1953-05-18 | 1953-05-18 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB769212A true GB769212A (en) | 1957-03-06 |
Family
ID=22134995
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB14427/54A Expired GB769212A (en) | 1953-05-18 | 1954-05-17 | Improved friction material for brakes |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB769212A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2999564A (en) * | 1959-08-26 | 1961-09-12 | American Brake Shoe Co | Friction couples |
| US3037860A (en) * | 1957-04-24 | 1962-06-05 | Bendix Corp | Friction articles and processes for manufacturing and mounting same |
| DE1283545B (en) * | 1959-10-02 | 1968-11-21 | Bendix Corp | Sintered friction material made from a metallic component based on iron and copper with the addition of molybdenum and from non-metallic friction and sliding compounds |
| EP0769635A1 (en) * | 1995-10-20 | 1997-04-23 | Tokyo Yogyo Kabushiki Kaisha | Brake lining material for heavy-load braking device |
-
1954
- 1954-05-17 GB GB14427/54A patent/GB769212A/en not_active Expired
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3037860A (en) * | 1957-04-24 | 1962-06-05 | Bendix Corp | Friction articles and processes for manufacturing and mounting same |
| US2999564A (en) * | 1959-08-26 | 1961-09-12 | American Brake Shoe Co | Friction couples |
| DE1283545B (en) * | 1959-10-02 | 1968-11-21 | Bendix Corp | Sintered friction material made from a metallic component based on iron and copper with the addition of molybdenum and from non-metallic friction and sliding compounds |
| EP0769635A1 (en) * | 1995-10-20 | 1997-04-23 | Tokyo Yogyo Kabushiki Kaisha | Brake lining material for heavy-load braking device |
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