Molybdenum base alloy having excellent high-temperature strength

Details Molybdenum base alloy having excellent high-temperature strength Molybdenum base alloy having excellent high-temperature strength

1977-12-08

1979-08-28

Rutledge, L. Dewayne

Specialized metallurgical processes, compositions for use therei

Processes

Free metal or alloy reductant contains magnesium

75 65EB, C22C 2700, C22F 118

Patent

active

041659821

ABSTRACT:
A molybdenum base alloy containing a given amount of at least one of zirconium and hafnium, a given amount of carbon and not more than given amounts of oxygen and nitrogen has an excellent high-temperature strength. This alloy is produced by an electron beam melting process under high vacuum.

REFERENCES:
patent: 2960403 (1960-11-01), Timmons et al.
patent: 3169860 (1965-02-01), Semchyshen
patent: 3243291 (1966-03-01), Dickinson et al.
patent: 3361599 (1968-01-01), Bargainnier et al.
Fromm et al., "Equilibria in Mo-N Solid Solutions" Z. Metallkde, 62 1971, 373.
Prekel et al., "Innovations in E. B. Zone Refining Mo" in Electron & Ion Beams--Tech. vol. I, AIME, N. Y. 1965.
Witzke, "- - - HfC-Strengthened Mo-Alloys" Met. Trans. A, 7 (1976) 443.

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