Specialized metallurgical processes – compositions for use therei – Processes – Free metal or alloy reductant contains magnesium
Patent
1978-03-28
1980-03-25
Andrews, M. J.
Specialized metallurgical processes, compositions for use therei
Processes
Free metal or alloy reductant contains magnesium
148161, C22C 2300
Patent
active
041949080
ABSTRACT:
A magnesium-based alloy for casting contains at least 88% magnesium, 1.6-3.5% silver, 0.1-2.3% of rare earth metals comprising at least 60% neodymium, 0-2.3% thorium and 0.1-2.5% yttrium. When no more than 0.5% of yttrium is present the minimum amount of thorium is given by the equation ##EQU1## Other elements may be present to improve the alloy properties.
REFERENCES:
patent: 3039868 (1962-06-01), Payne et al.
Bradshaw Stephen L.
King John F.
Unsworth William
Andrews M. J.
Flocks Karl W.
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