Wear-resistant sintered ferrous alloy and method of producing sa

Details Wear-resistant sintered ferrous alloy and method of producing sa Wear-resistant sintered ferrous alloy and method of producing sa

1983-10-25

1985-12-31

Lechert, Jr., Stephen J.

Specialized metallurgical processes, compositions for use therei

Processes

Free metal or alloy reductant contains magnesium

75126A, 75126P, 751305, 75132, 419 2, 419 38, 419 46, 419 47, 419 48, 419 57, 419 58, 419 60, C22C 3816

Patent

active

045618895

ABSTRACT:
A sintered ferrous alloy which is high in wear resistance and relatively weak in the tendency to abrade another metal material with which the sintered alloy makes rubbing contact and suitable for rocker arm tips in automotive engines for example. The sintered alloy is produced by compacting and sintering a powder mixture of 15-50 parts by weight of a Fe-Cr-B alloy powder, which contains 10-35% of Cr and 1.0-2.5% of B, 1.0-3.5 parts by weight of graphite powder, such an amount of a Cu-P alloy powder that the powder mixture contains 0.2-1.5% of P and 1.0-20.0% of Cu and the balance of an iron powder.

REFERENCES:
patent: 3977838 (1976-08-01), Hashimoto et al.
patent: 4344795 (1982-08-01), Endo et al.
patent: 4431449 (1984-02-01), Dillon et al.
patent: 4485147 (1984-11-01), Nishino et al.
patent: 4491477 (1985-01-01), Suganuma et al.
patent: 4504312 (1985-03-01), Oaku et al.

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