Specialized metallurgical processes – compositions for use therei – Processes – Free metal or alloy reductant contains magnesium
Patent
1977-07-21
1978-09-19
Dean, R.
Specialized metallurgical processes, compositions for use therei
Processes
Free metal or alloy reductant contains magnesium
148 32, C22C 1907
Patent
active
041151127
ABSTRACT:
A commercially available cobalt-base alloy, sometimes called X-40 alloy, and having a relatively high carbon content, is improved to make it useful in the directional solidification casting process through the addition of a particular amount of aluminum sufficient to avoid severe reaction with casting cores and molds which include silica, without detrimental effect on mechanical properties.
REFERENCES:
patent: 3960552 (1976-06-01), Woulds
Cash George V.
Frey Elmer L.
Irons George S.
Smashey Russell W.
Dean R.
General Electric Company
Lawrence Derek P.
Sachs Lee H.
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