Casting having wear resistant compacts and method of manufacture

Details Casting having wear resistant compacts and method of manufacture Casting having wear resistant compacts and method of manufacture

1984-04-17

1986-08-26

Andrews, Melvyn J.

Stock material or miscellaneous articles

All metal or with adjacent metals

Having metal particles

428558, 428564, 75240, 109 82, B22F 708

Patent

active

046083189

ABSTRACT:
This invention relates to a double composite structure comprising cemented carbides embedded in an austenitic stainless steel matrix forming a wear, impact, drill and corrosion resistant shape by powder metallurgy techniques. Molten metal is then cast around the composite structure forming the body of a tool, lock or parts which are particularly useful for earthmoving and security applications.

REFERENCES:
patent: 2349052 (1944-05-01), Ollier
patent: 2372607 (1945-03-01), Schwarzkopf
patent: 2731711 (1956-01-01), Lucas
patent: 3149411 (1964-09-01), Smiley et al.
patent: 3258817 (1966-07-01), Smiley
patent: 3566741 (1971-03-01), Sliney
patent: 3898729 (1975-08-01), Greene
patent: 4119459 (1978-10-01), Ekemar et al.
patent: 4173457 (1979-11-01), Smith
patent: 4259112 (1981-03-01), Dolowy, Jr. et al.
patent: 4327156 (1982-04-01), Dillon et al.
"Cemented Carbides", by Dr. Paul Schwarzkopf and Dr. Richard Kieffer, pp. 269-273.
Vol. II of Progress In Metallurgy (5 pages) Friedrich Eisenkolb, 1963.

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