贺俊光,冯武云,文九巴,龚圆,郑向阳

• 1:河南科技大学材料科学与工程学院
• 2:有色金属新材料与先进加工技术省部共建协同创新中心

摘要(Abstract)：

采用光学显微镜(OM)、扫描电镜(SEM)、电化学实验和拉伸实验等研究固溶处理对Mg-1.5Er-1.0Zn-0.3Zr合金组织、耐蚀性能和力学性能的影响。结果表明：铸态合金的显微组织主要由α-Mg基体、Mg_3Er_2Zn_3、Mg_(24)Er_5和MgErZn_2相组成。经固溶处理后，第二相逐渐溶解在镁基体中，且合金平均晶粒尺寸有不同程度的增大。合金经460℃固溶处理8 h后的综合性能较好，其腐蚀速率为(0.44±0.051) mm/y,抗拉强度、屈服强度和伸长率分别为(227.97±4.84) MPa、(137.96±5.03) MPa和(14.42±1.06)%。

关键词(KeyWords)： Mg-1.5Er-1.0Zn-0.3Zr合金;固溶处理;腐蚀性能

Abstract:

Keywords:

基金项目(Foundation): 河南省自然科学基金(242300420018);; 河南省高等学校重点科研项目(20A430010)

作者(Author): 贺俊光,冯武云,文九巴,龚圆,郑向阳

DOI: 10.13289/j.issn.1009-6264.2023-0532

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