Friction piece

A technology of friction parts and friction modifiers, applied in the direction of friction linings, other chemical processes, aluminum compounds, etc., can solve the problems of reduced friction coefficient of wear, deterioration of operating environment, easy generation of dust, etc., to achieve improved fluidity and operating environment. The effect of improving and prolonging the service life

Inactive Publication Date: 2001-05-09
OTSUKA CHEM CO LTD
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  • Abstract
  • Description
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Problems solved by technology

[0005] However, the current situation is that it is difficult to fully solve the problems of wear and friction coefficient reduction at high temperatures even with friction parts equipped with potassium titanate fibers.
[0006] In addition, since the potassium titanate fiber has a fiber shape, has high bulkiness and poor fluidity, it will adhere to the wall of the supply channel during manufacture and block it.
[0007] Moreover, since the potassium titanate fiber is a fibrous powder, it is easy to generate dust, thereby deteriorating the operating environment

Method used

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Embodiment

[0042] 15 parts by weight of potassium titanate fiber (trade name Tisumo D, manufactured by Otsuka Chemical Co., Ltd.), 4 parts by weight of aramid fiber (trade name Kebra-Palup, length 3mm, manufactured by Toray Co., Ltd.), 9 The binder (phenolic resin) of parts by weight, the organic additive (such as powder etc.) of 9 parts by weight, the scaly boehmite (made with the reference example) of 30 parts by weight, other of 33 parts by weight (Lubricants such as graphite, metal powder, oxide powder) are fully mixed and added into the mold, and bonded and formed (applied pressure: 150kgf / cm 2 , temperature 170°C, 5 minutes), after forming, release the mold for heat treatment (keep at 180°C for 5 minutes). Thereafter, grinding was performed to obtain a test body (A).

[0043] In addition, organic additives, lubricants, metal powders, and oxide powders are usually added to friction agents.

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Abstract

A friction material, characterized as comprising a boehmite in a scaly form as a friction-adjusting agent. The friction material is excellent in friction and wear properties even in a high temperature atmosphere and can be produced with high productivity and excellent workability.

Description

technical field [0001] The present invention relates to a friction member, which is suitable as a material for a brake member, such as a material for a clutch friction plate, that is, a material for a brake, and the like, and is used in brake devices for motor vehicles, aircraft, railway vehicles, and industrial equipment. Background technique [0002] Conventionally, as a friction material in a brake, asbestos is dispersed and bonded to an organic or inorganic adhesive. [0003] However, since such friction materials have insufficient friction and wear characteristics such as heat resistance, and asbestos has environmental and sanitation problems such as carcinogenicity, development of substitutes has been urgently required. [0004] In response to this requirement, a friction member using potassium titanate fiber as a matrix fiber or a friction modifier has been proposed. This kind of friction part has the following excellent features. Potassium titanate fibers are not as...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08J5/14C01F7/44C09K3/14F16D69/02
CPCF16D69/02C09K3/149F16D69/027
Inventor 竹中稔涩谷博小川博
Owner OTSUKA CHEM CO LTD
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