Specialized metallurgical processes – compositions for use therei – Processes – Free metal or alloy reductant contains magnesium
Patent
1977-05-11
1978-08-22
Rutledge, L. Dewayne
Specialized metallurgical processes, compositions for use therei
Processes
Free metal or alloy reductant contains magnesium
75171, C22C 3000, C22C 1905
Patent
active
041086422
ABSTRACT:
An alloy for dentures with procelain caps which forms a good bond comprising 15 to 30% chromium, 30 to 60% nickel, 15 to 30% cobalt, 1 to 5% iron, and 1 to 2% beryllium. Another dental alloy comprises by weight about 22.2% Cr, 9.7% Co, 29.4% Ni, 29.4% Fe, 4.85% Al and 4.85% Mo.
REFERENCES:
patent: 2506526 (1950-05-01), Tifft
patent: 2636818 (1953-04-01), Low
patent: 2827373 (1958-03-01), Prasse
patent: 3121629 (1964-02-01), Mann
patent: 3148053 (1964-09-01), Spaletta
patent: 3464817 (1969-09-01), Griffiths
Sims et al, "The Superalloys," Wiley, N.Y., 1972, p. 579.
Apex Dental Lab. Inc.
Malone James P.
Roy Upendra
Rutledge L. Dewayne
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