本研究是用钽箔包覆熔制法制备了Mg-La二元合金.并对合金进行显微组织观察及X射线分析,确定了该合金在550℃时的平衡组织.该熔制法可以制备无污染的合金样品,该合金在550℃是由两相组成的,体积分数多的一相是Mg17La2,另一相是Mg12La.
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