张菊梅,蒋百灵,王志虎,袁森,夏鹏举

• 1:西安理工大学材料科学与工程学院
• 2:西安理工大学材料科学与工程学院
• 3:西安理工大学材料科学与工程学院
• 4:西安理工大学材料科学与工程学院

摘要(Abstract)：

采用光学显微镜(OM)、X射线衍射(XRD)、扫描电镜(SEM)及拉伸试验等研究了铸态AZ80镁合金经不同固溶温度保温处理后析出相β-Mg17Al12及性能变化。研究表明,随固溶温度的升高,AZ80镁合金晶界及枝晶间的粗大网状β-Mg17Al12相由于溶解而逐步减少,有呈不连续、细小颗粒状均匀分布在α-Mg基体内的一次析出相β-Mg17Al12出现;由于析出相β-Mg17Al12的数量减少、细小颗粒化,降低了析出相强化的作用,使材料的整体硬度HB明显下降,抗拉强度和伸长率显著提高,屈服强度只有少量下降。

关键词(KeyWords)： 固溶温度;镁合金;β-Mg17Al12相;力学性能

Abstract:

Keywords:

基金项目(Foundation):

作者(Author): 张菊梅,蒋百灵,王志虎,袁森,夏鹏举

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