Internal combustion valve having an iron based hard-facing alloy

Details Internal combustion valve having an iron based hard-facing alloy Internal combustion valve having an iron based hard-facing alloy

1977-06-27

1978-10-31

Steiner, Arthur J.

Internal-combustion engines

Valve

Valve head cooperates with manifold

75128D, 75128W, 428679, 428682, 428939, F01L 304, C22C 3844, B32B 1518

Patent

active

041228170

ABSTRACT:
A valve for an internal combustion engine having a contact surface formed of an alloy which exhibits satisfactory wear properties, PbO corrosion resistance and oxidation resistance, and is less expensive than cobalt containing alloys used for the same purpose. The alloy contains carbon, preferably 1.4 to 2.0wt.%, molybdenum, preferably 4.0 to 6.0wt.%, silicon, preferably 0.1 to 1.0wt.%. nickel, preferably 8 to 13wt.%, chromium, preferably 20 to 26wt.%, manganese, preferably 0 to 3.0wt.%, with the balance being iron.

REFERENCES:
patent: 2292740 (1942-08-01), Cape
patent: 2671726 (1954-03-01), Lennings
patent: 2881750 (1959-04-01), Hanink
patent: 3795810 (1974-03-01), Davies et al.
patent: 3813509 (1974-05-01), Woods et al.
"Metals Handbook," ASM, vol. 1, 8th ed. 1969 p. 409

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