Surface coating for machine elements having rubbing surfaces

Details Surface coating for machine elements having rubbing surfaces Surface coating for machine elements having rubbing surfaces

1975-08-11

1977-02-01

Peters, Jr., Joseph F.

Cutlery

308241, 308DIG1, F16C 3500

Patent

active

040059146

ABSTRACT:
In a foil gas bearing or other similar machine element the relatively rigid shaft is coated with a glaze-forming oxide layer between 0.003 and 0.020 ins. thick, while the relatively thin foils are coated with a layer of a compound comprising cobalt and chromium carbide to a depth of up to 0.003 ins., the surface layer of which is oxidized to a depth of 0.0001 ins. to 0.0005 ins.

REFERENCES:
patent: 3418028 (1968-12-01), Watson et al.
patent: 3677612 (1972-07-01), Barnett

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