Specialized metallurgical processes – compositions for use therei – Processes – Free metal or alloy reductant contains magnesium
Patent
1976-12-06
1978-10-03
Dean, R.
Specialized metallurgical processes, compositions for use therei
Processes
Free metal or alloy reductant contains magnesium
C22C 1905
Patent
active
041182243
ABSTRACT:
The addition of about 0.33 weight percent of hafnium to a nickel-chromium heating element alloy having a nominal composition of 20 weight percent chromium, 1.4 weight percent silicon, balance essentially nickel, results in an improved operating life of the alloy.
REFERENCES:
patent: 3627511 (1971-12-01), Taylor et al.
Starr Carrol Dean
Wang Teh Po
Dean R.
Fox John C.
Wilbur B. Driver Company
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