首页> 外文期刊>Scripta materialia >Roles of deformation twinning and dislocation slip in the fatigue failure mechanism of AZ31 Mg alloys
【24h】

Roles of deformation twinning and dislocation slip in the fatigue failure mechanism of AZ31 Mg alloys

机译:变形孪生和位错滑移在AZ31镁合金疲劳破坏机理中的作用

获取原文
获取原文并翻译 | 示例
获取外文期刊封面目录资料

摘要

Fatigue tests were performed on AZ31 Mg alloys at room temperature in tension cycles. Deformation twinning of the {1012} type was observed both below and above the fatigue limit, indicating that the {1012} twins do not contribute directly to fatigue failure. However, prismatic slip and substantial cyclic hardening were observed above the fatigue limit. Progressive hardening gave rise to {1011}–{1012} double twinning that led to the formation of large surface steps, cracks and eventual failure.
机译:在室温下以拉伸周期对AZ31镁合金进行了疲劳测试。在疲劳极限以下和以上都观察到{1012}型的变形孪晶,表明{1012}孪晶不会直接导致疲劳失效。但是,在疲劳极限以上观察到棱柱形滑动和明显的循环硬化。渐进硬化导致{1011} – {1012}双重孪晶,导致形成较大的表面台阶,裂纹和最终的破坏。

著录项

相似文献

  • 外文文献
  • 中文文献
  • 专利
获取原文

客服邮箱:kefu@zhangqiaokeyan.com

京公网安备:11010802029741号 ICP备案号:京ICP备15016152号-6 六维联合信息科技 (北京) 有限公司©版权所有
  • 客服微信

  • 服务号