...
  • 主题
高级搜索  >
历史搜索 清空历史
首页> 外文期刊>Materials Science and Engineering >Technical noteMicrostructure and mechanical properties of Cu and Cu-Zn alloys produced by equal channel angular pressing
【24h】

Technical noteMicrostructure and mechanical properties of Cu and Cu-Zn alloys produced by equal channel angular pressing

机译：技术说明通过等通道角挤压生产的Cu和Cu-Zn合金的组织和力学性能

获取原文
获取原文并翻译 | 示例
           
页面导航
  • 摘要
  • 著录项
  • 相似文献
  • 相关主题

摘要

Ultrafine-grained (UFG) Cu and Cu-Zn alloy were prepared using equal-channel angular pressing (ECAP) to investigate the effects of stacking fault energy (SFE) on microstructure evolution and mechanical properties. Combining with the previous researches, the grain refinement process of ECAP is divided into three stages based on the variation of tensile strength and plasticity. According to the influences of defects on strength and ductility during plastic deformation, the three stages are discussed in detail by considering the dislocation density, grain and twin boundaries. Besides, the impact of SFE on the strength and ductility of the UFC Cu-Zn alloys are evaluated, indicating that these two mechanical properties can be improved simultaneously in the whole ECAP process either through slightly or widely adjusting the SFE. This significant effect of SFE reflects in two aspects, one is in the microstructure evolution during ECAP processing and the other is in the subsequent tensile plastic deformation, both of which can be achieved through regulating the dislocation motion via changing the SFE.
机译：利用等通道角挤压（ECAP）制备了超细晶粒（UFG）Cu和Cu-Zn合金，以研究堆垛层错能（SFE）对组织演变和力学性能的影响。结合以往的研究，根据抗拉强度和塑性的变化，将ECAP的晶粒细化过程分为三个阶段。根据缺陷对塑性变形过程中强度和塑性的影响，通过考虑位错密度，晶粒和孪晶边界对三个阶段进行了详细讨论。此外，评估了SFE对UFC Cu-Zn合金强度和延展性的影响，表明通过稍微或广泛地调整SFE，可以在整个ECAP过程中同时改善这两种机械性能。 SFE的显着效果体现在两个方面，一个是在ECAP加工过程中的微观结构演变，另一个是在随后的拉伸塑性变形中，这两者都可以通过更改SFE来调节位错运动来实现。

著录项

  • 来源
    《Materials Science and Engineering》 |2011年第12期|p.4259-4267|共9页
  • 作者

    Z.J. Zhang; Q.Q. Duan; X.H. An; S.D. Wu; G. Yang; Z.F. Zhang;

  • 作者单位

    Shenyang National Laboratory for Materials Science, Institute of Metal Research, Chinese Academy of Sciences, 72 Wenhua Road, Shenyang 110016, PR China;

    Shenyang National Laboratory for Materials Science, Institute of Metal Research, Chinese Academy of Sciences, 72 Wenhua Road, Shenyang 110016, PR China;

    Shenyang National Laboratory for Materials Science, Institute of Metal Research, Chinese Academy of Sciences, 72 Wenhua Road, Shenyang 110016, PR China;

    Shenyang National Laboratory for Materials Science, Institute of Metal Research, Chinese Academy of Sciences, 72 Wenhua Road, Shenyang 110016, PR China;

    Central Iron and Steel Research Institute, Beijing 100081, PR China;

    Shenyang National Laboratory for Materials Science, Institute of Metal Research, Chinese Academy of Sciences, 72 Wenhua Road, Shenyang 110016, PR China;

  • 收录信息
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    cu-zn alloy stacking fault energy (sfe) equal channeling angular pressing (ecap) strengthen ductility;

    机译：铜锌合金堆垛层错能（sfe）等通道角挤压（ecap）增强延展性;

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