Method of making a bearing surface

Details Method of making a bearing surface Method of making a bearing surface

1973-05-29

1977-08-02

Vertiz, O. R.

Chemistry: electrical and wave energy

Processes and products

204 23, 204 35R, 204 41, 2041291, C25D 704

Patent

active

040393992

ABSTRACT:
Disclosed herein is a method of making an improved bearing surface wherein a first layer of hard chromium is electrodeposited on a metallic substrate, a second layer of microcracked chromium is deposited on the first layer and the second layer of microcracked chromium is etched to provide a finely porous, friable bearing surface.

REFERENCES:
patent: 2856334 (1958-10-01), Topelian
patent: 2873154 (1959-02-01), Marker
patent: 3157585 (1964-11-01), Durham
patent: 3188186 (1965-06-01), Durham
patent: 3408272 (1968-10-01), Such et al.
patent: 3418220 (1968-12-01), Roggendorf
patent: 3421986 (1969-01-01), Ruff et al.
patent: 3461048 (1969-08-01), Mahlstedt et al.

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