Hard composite chromium plating film and sliding member coated with such film

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United States of America Patent

PATENT NO 9850587
SERIAL NO

14780928

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Abstract

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To provide a trivalent chromium plating film, in which the generation of cracks penetrating from the film surface to a substrate interface is suppressed, and a sliding member coated with the trivalent chromium plating film, plating is conducted with a chromium plating bath containing trivalent chromium as a chromium source, with a second phase dispersed in a planar and/or fibrous form, such that the second phase in a planar and/or fibrous form is dispersed in the hard chromium plating film to prevent or deflect the propagation of cracks, and to suppress the increase of the crack width, thereby suppressing the propagation of cracks in the hard chromium plating film.

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Patent Owner(s)

Patent OwnerAddress
KABUSHIKI KAISHA RIKENTOKYO 102-8202

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Takashina, Yousuke Kashiwazaki, JP 1 0

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