Metal powder composition and article made therefrom

Details Metal powder composition and article made therefrom Metal powder composition and article made therefrom

1980-09-22

1981-11-10

Hunt, Brooks H.

Specialized metallurgical processes, compositions for use therei

Compositions

Consolidated metal powder compositions

75201, B22F 500

Patent

active

042996287

ABSTRACT:
A composition for compressing and sintering to produce high-wear resistant articles essentially includes between 2% and 10% by weight, preferably 5% by weight, basalt powder and the remainder being metallurgical powder. The metallurgical powder is preferably comprised of austenite steel powder of high commercial quality and the basalt powder is a commercial quality basalt. The article of manufacture is for an internal combustion engine supplied with lead-free fuel wherein the article is comprised of compressed and sintered metal powder having the entire resulting pore space filled with basalt. The article takes the form of a cylinder liner, a valve seat and/or a valve-seat ring.

REFERENCES:
patent: 3891399 (1975-06-01), Cadle
patent: 3893848 (1975-07-01), Motoyoshi et al.

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