Iron-base sintered alloy for valve seat

Details Iron-base sintered alloy for valve seat Iron-base sintered alloy for valve seat

1976-03-03

1977-07-12

Hunt, Brooks H.

Specialized metallurgical processes, compositions for use therei

Compositions

Consolidated metal powder compositions

428546, 75200, 75201, 75126R, 75126C, 75126L, 75126Q, 75128R, 75128W, 75128C, 75128P, B22F 300

Patent

active

040351599

ABSTRACT:
Iron-base sintered alloy for the valve seats of internal combustion engines is an iron-base alloy powder containing, by weight, 6 - 20% chromium less than 2.0% nickel, and carbon 0.2 - 1.5%, together with at least one additive selected from among 0.3 - 1.5% manganese, 0.2 - 1.5% sulfur, 0.5 - 8% molybdenum, and 0.5 - 2.5% silicon, and molded to a sintered density of 6.2 - 6.8 g/cm.sup.3.

REFERENCES:
patent: 2844500 (1958-07-01), Peras
patent: 3847600 (1974-11-01), Mimino et al.
patent: 3856478 (1974-12-01), Iwata et al.
patent: 3925065 (1975-12-01), Osawo et al.
Chemical Abstracts vol. 80 No. 18165 (1974).

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