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MAGNESIUM ALLOY MATERIAL, AND METHOD FOR PRODUCING THE SAME

2025-06-21 05:143340下载
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PROBLEM TO BE SOLVED : To provide a magnesium alloy material having excellent mechanical properties without using special production equipment and processes, and to provide a method for producing the same. SOLUTION : The magnesium alloy material 1 is composed of an Mg-Zn-RE based alloy including, as essential components, Zn and at least one or more selected from Gd, Tb and Tm as RE, and the balance Mg with inevitable impurities, and is composed in such a manner that a lamination defect 2 that the Zn and RE are concentrated into two atomic layers is formed in the alloy structure of the Mg-Zn-RE based alloy. The method for producing the magnesium alloy material includes a casting stage, a solution stage, and a heat treatment stage, and, the heat treatment stage is performed under the conditions, provided that heat treatment temperature (K) is defined as y and heat treatment time (h) is defined as x, satisfying the range of -14.58[ln(x)]+532.32
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