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利用固相合成的方法合成Mg-20.72%Ce中间合金和ZM6耐热镁合金混合屑。结果表明:Mg-Ce中间合金屑在ZM6镁合金中分布不均匀,处于加入时的形状。合金组织主要为拉长的变形纤维组织和亚晶组织。Ce含量越高,在ZM6镁合金中分布的Mg-Ce中间合金越多;所有固相合成含Ce的ZM6镁合金的抗拉强度和延伸率均低于不含Ce的ZM6镁合金的抗拉强度和延伸率。相比较而言,含3.5%Ce的ZM6镁合金综合性能好一些。试样的断裂方式为脆性断裂。
Synthesis of Mg-20.72% Ce master alloy and ZM6 heat-resistant magnesium alloy mixed crumb by solid-phase synthesis. The results show that the distribution of Mg-Ce intermediate alloy scrap in ZM6 magnesium alloy is not uniform at the time of adding. Alloy is mainly elongated deformed fibrous tissue and sub-crystalline structure. The higher the Ce content, the more Mg-Ce intermediate alloy distributed in the ZM6 magnesium alloy; the tensile strength and elongation of all the ZM6 magnesium alloys containing Ce are lower than that of the ZM6 magnesium alloy without Ce Strength and elongation. In comparison, ZM6 magnesium alloy containing 3.5% Ce has better overall performance. The fracture mode of the specimen is brittle fracture.