MAGNESIUM ALLOY AND METHOD FOR PRODUCING THE SAME

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PROBLEM TO BE SOLVED : To provide a magnesium alloy which has excellent mechanical properties and corrosion resistance without using special devices and processes, and to provide a method for producing the magnesium alloy. SOLUTION : The magnesium alloy has a composition comprising Zn, comprising at least one element selected from Y, Dy, Ho and Er by RE atom% in total, comprising at least one element selected from the group consisting of La, Ce, Pr, Nd, Sm, Gd, Tb and Yb by X atom% in total, and the balance Mg and satisfies following inequalities (1) to (4) : (1) 0.2≤[Zn(atom%)]≤5.0, (2)0.2≤[RE(atom%)]≤5.0, (3) 2[Zn(atom%)]-3≤[RE(atom%)], and (4)0.05[RE(atom%)]≤[X(atom%)]<0.75[RE(atom%)]. COPYRIGHT : (C)2012, JPO&INPIT