Patent ID: 6193817
Filing Date: 2001-02-27
Classification: C22C

Abstract:
A magnesium base alloy suitable for high pressure die casting consisting of:at least 91.9 weight percent magnesium;0.1 to 2 weight percent of zinc;2.1 to 5 weight percent of a rare earth metal component other than yttrium, the ratio of said zinc to said rare earth component being less than 1;less than 0.5 weight percent calcium;0 to 0.1 weight percent of an oxidation inhibiting element other than calcium;no more man 0.001 weight percent strontium;no more than 0.05 weight percent silver;less than 0.1 weight percent aluminum,at least two elements selected from the group consisting of zirconium, hafniumn, and titanium, the amount of combination greater than 0 and less than 0.4%;incidental impurities of less than about 0.15 weight per cent; andany balance being magnesium.