张文鑫,孙毅,许春香,张金山,韩少兵

• 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)：

通过合金的制备,微观组织的观察以及力学性能的测试,研究了固溶温度以及固溶时间对医用生物镁合金Mg-3Zn-1Y-0.6Zr-0.5Ca组织和性能的影响,选择出最佳的热处理工艺。结果表明:提高固溶温度和延长保温时间都能够使第二相溶质原子充分溶进镁基体,增大固溶度,从而提高合金的抗拉强度,但会使合金的塑性下降。本实验合金经过460℃固溶24 h后,抗拉强度达到210 MPa,伸长率达到11.7%,大大提高了铸态生物镁合金的力学性能。

关键词(KeyWords)： 生物镁合金;固溶处理;微观组织;力学性能

Abstract:

Keywords:

基金项目(Foundation): 国家自然科学基金(51574175,51474153)

作者(Author): 张文鑫,孙毅,许春香,张金山,韩少兵

DOI: 10.13289/j.issn.1009-6264.2016-X349

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