Rotary friction member, and process for producing the same

Details Rotary friction member, and process for producing the same Rotary friction member, and process for producing the same

F - Mech Eng,Light,Heat,Weapons

16

D

F16D 65/12 (2006.01) B22D 18/00 (2006.01) F16D 65/10 (2006.01) F16D 69/02 (2006.01)

Patent

CA 2298154

The present invention ensures that the warping of an annular disk body of a brake disk, in the direction of a rotational axis, due to a friction heat, is inhibited to a large extent. The brake disk includes an aluminum alloy matrix, a plurality of alumina aggregates dispersed in the matrix, and a plurality of fine alumina grains. The alumina aggregates have an aspect ratio A larger than 1. In an annular disk body, the alumina aggregates are oriented with their lengthwise directions aligned with the radial direction of the disk body.

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