Composite chromium plating film and sliding member having...

Details Composite chromium plating film and sliding member having... Composite chromium plating film and sliding member having...

2008-01-15

2008-01-15

Zimmerman, John J (Department: 1775)

Stock material or miscellaneous articles

All metal or with adjacent metals

Composite; i.e., plural, adjacent, spatially distinct metal...

C428S687000, C428S935000, C205S109000, C205S113000

Reexamination Certificate

active

07318963

ABSTRACT:
A composite chromium plating film containing hard particles in network-shaped microcracks, a surface-occupying ratio of the microcracks being 10 to 20% by area, a distribution density of the microcracks being 1,200 to 2,500/cm, and the amount of the above hard particles being 1 to 15% by mass per 100% by mass of the above entire plating film. This composite chromium plating film has excellent wear resistance and scuffing resistance with small attacking ability to a mating member.

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