C - Chemistry – Metallurgy – 22 – C
Patent
C - Chemistry, Metallurgy
22
C
148/11, 75/45
C22C 23/06 (2006.01) C22C 23/00 (2006.01)
Patent
CA 1074157
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 mini- mum amount of thorium is given by the equation [Th] = Image . Other elements may be present to improve the alloy properties. Alloys of these compositions have advantagous mechanical properties such as resistance to creep at elevated temperatures.
267889
Bradshaw Stephen L.
King John F.
Unsworth William
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