Friction material composition, friction material obtained from same, and friction member
A friction material and composition technology, applied in the field of friction material composition and friction material, can solve problems such as insufficiency, achieve the effects of small aggressiveness, high friction coefficient, and inhibiting uneven wear of friction blocks
Active Publication Date: 2012-05-09
HITACHI CHEM CO LTD
13 Cites 28 Cited by
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Provided is a friction material composition, comprising a binder, fibrous base materials, an abrasive material, an inorganic filler, and an organic filler. The composition further contains a specific amount of zinc. The fibrous base materials include a specific amount of at least one fibrous base material selected from cellulose fibers and fire-resistant fibers and a specific amount of iron-based fibers as another fibrous base material. The composition contains 1 wt.% or less inorganic abrasive material having a Mohs hardness of 8 or higher and a particle diameter of 1 [mu]m or larger as the abrasive material. This friction material composition gives a brake pad for passenger cars which less attacks mating materials than conventional products, has a high coefficient of friction during braking when repeatedly used for braking in high-speed traveling, and can be inhibited from wearing or unevenly wearing. Also provided are a friction material and a friction member both obtained from the composition.
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