Process for coating a metallic surface with a wear-resistant mat

Details Process for coating a metallic surface with a wear-resistant mat Process for coating a metallic surface with a wear-resistant mat

1979-07-02

1980-08-19

Kendall, Ralph S.

Coating processes

Electrical product produced

Integrated circuit, printed circuit, or circuit board

427 53, 427190, 427191, 4273763, 4273764, 219121EM, 219121LM, 291566, 75203, 75208R, 75222, C23C 1700

Patent

active

042184940

ABSTRACT:
The surface of a metallic substrate is coated with wear-resistant material by depositing on the surface a layer of a mixture of a coating powder including a metallic carbide with powdery silicon and heating said layer by exposure to a source of high density energy to bring about simultaneous evaporation of said silicon and fusion of said coating powder with bonding to said substrate. A coating of high surface porosity can be obtained.
The substrate may be a piston ring for heavy-duty internal combustion engines.

REFERENCES:
patent: 2998322 (1961-08-01), Strate
patent: 3097959 (1963-07-01), Zachman
patent: 3575433 (1971-04-01), Beyer et al.
patent: 3991229 (1976-11-01), Fengler
patent: 4125926 (1978-11-01), Gale et al.

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