郝峰晨,崔泽琴,王文先

• 1:太原理工大学材料科学与工程学院
• 2:先进镁基材料山西省重点实验室

摘要(Abstract)：

以ZK61合金粉末为原料,通过放电等离子烧结的方法制备了ZK61生物镁合金块体,研究了不同烧结温度对合金块体微观组织和力学性能的影响。结果表明:制备出的ZK61合金块体内部结构致密,组织分布均匀,晶粒细小,块体致密度随烧结温度逐渐提高,在520℃时达到99.24%;随着烧结温度的升高,粉末颗粒间原子扩散作用增强,ZK61合金块体的力学性能也逐渐提高,在烧结温度为520℃时综合性能最好,其中显微硬度由370℃时的69.2 HV增加到79.3 HV,抗压强度和抗弯强度也获得最大值,分别为304 MPa和94.7 MPa,压缩率逐渐变大,韧性提高。

关键词(KeyWords)： 放电等离子烧结;ZK61镁合金;微观组织;力学性能

Abstract:

Keywords:

基金项目(Foundation): 国家自然科学基金(51305292)

作者(Author): 郝峰晨,崔泽琴,王文先

DOI: 10.13289/j.issn.1009-6264.2017.03.006

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