Piston ring coatings

Details Piston ring coatings Piston ring coatings

1980-12-08

1982-06-15

Vertiz, O. R.

Specialized metallurgical processes, compositions for use therei

Compositions

Consolidated metal powder compositions

75252, C22C 1903, C22C 2900, C22C 3200

Patent

active

043349277

ABSTRACT:
A coating for piston rings used in internal combustion engines such as diesel engines. The coating is comprised of a physical admixture of primary particles of chromium carbide, nickel chromium and molybdenum. The composition is applied to the piston ring face with a plasma-arc gun and imparts excellent wear resistance to the ring face while lowering cylinder liner wear.

REFERENCES:
patent: 3150938 (1964-09-01), Pelton et al.
patent: 3556747 (1971-01-01), Hyde et al.
patent: 3971633 (1976-07-01), Wolfda et al.

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