Metal treatment – Compositions – Heat treating
Patent
1974-08-16
1978-02-21
Dean, R.
Metal treatment
Compositions
Heat treating
75170, 75171, 75176, C22C 1900
Patent
active
RE0295477
ABSTRACT:
An alloy for use as a protective coating for metal bodies is composed of a substantial amount of metal A (molybdenum or tungsten or both), a substantial amount of metal B (cobalt or nickel or both), and silicon; the sum of the amounts of metals A and B being at least 60 atomic percent of the alloy; the amount of silicon and the relative amounts of metals A and B being such as to provide 30-85 volume percent of the alloy in the Laves phase, the Laves phase being distributed in a relatively soft matrix of the remaining 70-15 volume percent of the alloy.
REFERENCES:
patent: 1465547 (1923-08-01), Driver
patent: 1544037 (1925-06-01), Rosencrantz
patent: 1769229 (1930-07-01), Mandell
patent: 2247643 (1941-07-01), Rohn
patent: 2923621 (1960-02-01), Hoppin
patent: 3180012 (1965-04-01), Smith
patent: 3254970 (1966-06-01), Dittrich
patent: 3410732 (1968-11-01), Smith
Structure of Metals and Alloys, pp. 236-239, by Hume Rothery and Raynor, Institute of Metals, 1962.
Severns, Jr. William Harrison
Smith Gaylord Darrel
Dean R.
E. I. Du Pont de Nemours and Company
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