HEAT-RESISTANT MAGNESIUM DIE CASTING ALLOY AND DIE CAST PRODUCT OF THE SAME

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PROBLEM TO BE SOLVED : To provide a heat-resistant magnesium die casting alloy with an expanded range of application by improving both of the heat resistance and castability, and to provide a die cast product of the alloy. SOLUTION : The heat-resistant magnesium die casting alloy has a composition comprising, by mass%, over 6 to not more than 10 of Al, 1.8 to 5 of Ca, 0.05 to 1.0 of Sr, 0.1 to 0.6 of Mn and the balance Mg and inevitable impurities, and has 0.3 to 0.5 Ca/Al ratio of the Ca content to the Al content. In order to improve the corrosion resistance, 0.1 to 3% of a REM can be added. COPYRIGHT : (C)2005, JPO&NCIPI