张金玲,刘阳力,周京,王社斌,许并社

• 1:太原理工大学材料科学与工程学院
• 2:新材料界面科学与工程教育部重点实验室
• 3:山西省新材料工程技术研究中心

摘要(Abstract)：

对Mg-9Al-Zn-0.16La合金进行410℃/16 h/AC+170℃/24 h/AC的T6处理,观察了热处理前后合金的组织形貌,并对热处理前后的合金在3.5%NaCl溶液中进行了0~168 h的失重腐蚀测试。结果表明,T6处理后,Mg-9Al-Zn-0.16La合金中的β相经过溶解再析出的过程,使得其析出方式发生改变,β相由断续状变为层片状;且由于β相析出方式和形貌的改变,在3.5%NaCl溶液中,Mg-9Al-Zn-0.16La合金的耐蚀性能明显提高,其腐蚀速率由铸态时的6.3 mg·cm-2·d-1降低到T6态的4.5 mg·cm-2·d-1。

关键词(KeyWords)： 热处理;T6;耐蚀性能;β相

Abstract:

Keywords:

基金项目(Foundation): 国家自然科学基金(50901048);; 太原理工大学2012年校专项/青年基金(2012L055)

作者(Author): 张金玲,刘阳力,周京,王社斌,许并社

DOI: 10.13289/j.issn.1009-6264.2014.05.013

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