李晓燕,李兴林,郭非,蒋璐瑶,胡红军,杨明波

• 1:重庆理工大学材料科学与工程学院
• 2:重庆大学材料科学与工程学院

摘要(Abstract)：

织构是影响镁合金塑性变形及成型性能的关键因素之一,镁合金中常见的基面织构导致合金室温成型能力差、各向异性等严重缺点。因此,通过弱化基面织构或增强非基面织构将有效地改善镁合金塑性变形能力、提高成型性能。近年来研究发现部分稀土镁合金经过再结晶后能产生弱基面/非基面织构("稀土"织构),因此,镁合金再结晶行为成为优化镁合金织构的一种有效途径。本文总结了近年来镁合金再结晶织构调控方面的研究成果,详细讨论了合金元素种类及含量对镁合金再结晶织构类型及强度的影响,为弱织构镁合金成分设计提供参考依据。同时,归纳了近年来镁合金再结晶形核及后续晶粒长大对再结晶织构的影响规律,总结了当前主流的镁合金"稀土"织构产生原理。

关键词(KeyWords)： 镁合金;织构调控;再结晶;合金化

Abstract:

Keywords:

基金项目(Foundation): 重庆市留学人员创业创新支持计划项目;; 重庆理工大学科研启动基金项目(2017ZD35,2019ZD96)

作者(Author): 李晓燕,李兴林,郭非,蒋璐瑶,胡红军,杨明波

DOI: 10.13289/j.issn.1009-6264.2020-0625

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