Machine element with coating

Details Machine element with coating Machine element with coating

1989-01-04

1991-01-01

Look, Edward K.

Expansible chamber devices

Miscellaneous

92223, 427 38, 427 39, F02F 700, B05D 306

Patent

active

049810715

ABSTRACT:
On a machine element of a metallic material, for example, a piston or a piston rod (7, 7') for a shock absorber for a motor vehicle, with at least one hard-material coating deposited on the machine element, the hard-material coating essentially consists of an alloy of silicon and carbon, preferably of Si.sub.x C.sub.1-x, x having a value of from 0 to 1. The deposition of the hard-material coating occurs on the cathode or the anode of a plasma CVD unit at a pressure of the gas or gas mixture in the deposition chamber (1) of between 10.sup.-4 and 20 millibars.

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Patents Absts. of Japan-M-452-2/8, 1986, vol. 10, No. 3.

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