张金玲,王国军,刘璐,王社斌,许并社

• 1:太原理工大学材料科学与工程学院
• 2:太原理工大学教育部新材料界面与工程重点实验室

摘要(Abstract)：

通过对AM60-0.3Nd镁合金进行T4及T6热处理,研究了不同热处理工艺对合金组织和力学性能的影响。结果表明,AM60-0.3Nd镁合金经T4热处理后,晶粒尺寸由铸态时的90μm下降至20μm左右,铸态时沿晶界分布的网状β-Mg17 Al12相完全消失,Al-Nd中间化合物由点状、块状凝聚成球状,抗拉强度得到显著提高,达到262 MPa;经T6热处理后,晶粒尺寸由铸态时的90μm下降至30μm左右,β-Mg17Al12相重新析出而Al-Nd中间化合物的形态又转变为块状,硬度得到显著提高,达到75 HV。

关键词(KeyWords)： AM60-0.3Nd镁合金;T4与T6热处理;显微组织;力学性能

Abstract:

Keywords:

基金项目(Foundation): 山西省留学基金(2008-39)

作者(Author): 张金玲,王国军,刘璐,王社斌,许并社

DOI: 10.13289/j.issn.1009-6264.2011.05.023

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