...
  • 主题
高级搜索  >
历史搜索 清空历史
首页> 外文期刊>Materials Science and Engineering >Microstructural evolution during extrusion of a Ti/Al/A135V65 (Ti-6A1-4V) powder compact and the mechanical properties of the extruded rod
【24h】

Microstructural evolution during extrusion of a Ti/Al/A135V65 (Ti-6A1-4V) powder compact and the mechanical properties of the extruded rod

机译：Ti / Al / A135V65（Ti-6A1-4V）粉末压块挤压过程中的微观组织演变以及挤压棒的力学性能

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

The microstructural evolution during extrusion of a powder mixture of HDH Ti, Al and A135V65 master alloy powders with a nominal composition Ti-6Al-4V(wt%) at 1300 C and the mechanical properties of the extruded rod were studied. The results show that the amount of plastic deformation of the powder particles has a significant effect on the dissolution of the A135V65 master alloy particles which in turn significantly influences the microstructure, mechanical properties and fracture behaviour of the extruded rod. The A135V65 master alloy particles are completely dissolved in the material passing through the extrusion die orifice due to the large amount of powder particle deformation, while a large fraction of the A135V65 master alloy particles are not dissolved in the undeformed regions close to the top of and in the dead zone of the as-sintered compact being extruded. The average yield strength, ultimate tensile strength and elongation to fracture of the as-extruded Ti-6A1-4V alloy rod are 1255 MPa, 1300 MPa and 7.1%, respectively, which are comparable to those of Ti-6A1-4V alloy produced by conventional methods. The fracture behaviour of the Ti-6A1-4V alloy during tensile testing is also examined and discussed.
机译：研究了在1300℃下，混合了名义成分为Ti-6Al-4V（wt％）的HDH Ti，Al和A135V65中间合金粉末的粉末混合物的组织演变以及挤压棒的力学性能。结果表明，粉末颗粒的塑性变形量对A135V65中间合金颗粒的溶解有显着影响，进而显着影响挤压棒的组织，力学性能和断裂行为。由于大量的粉末颗粒变形，A135V65中间合金颗粒完全溶解在通过挤压模孔的材料中，而大部分A135V65中间合金颗粒没有溶解在靠近顶部和底部的未变形区域中。在烧结坯的死区中被挤出。挤压后的Ti-6A1-4V合金棒的平均屈服强度，极限抗拉强度和断裂伸长率分别为1255 MPa，1300 MPa和7.1％，与通过挤压生产的Ti-6A1-4V合金的平均屈服强度，极限拉伸强度和断裂伸长率相当。常规方法。还研究了Ti-6A1-4V合金在拉伸试验中的断裂行为。

著录项

  • 来源
    《Materials Science and Engineering》 |2014年第26期|360-367|共8页
  • 作者

    Fei Yang; Deliang Zhang; Brian Gabbitas; Huiyang Lu; Chungfu Wang;

  • 作者单位

    Waikato Centre for Advanced Materials, School of Engineering, The University of Waikato, Hamilton 3204, New Zealand;

    Waikato Centre for Advanced Materials, School of Engineering, The University of Waikato, Hamilton 3204, New Zealand,State Key Laboratory of Metal Matrix Composites, School of Materials Science and Engineering, Shanghai Jiao Tong University, Shanghai, PR China;

    Waikato Centre for Advanced Materials, School of Engineering, The University of Waikato, Hamilton 3204, New Zealand;

    Waikato Centre for Advanced Materials, School of Engineering, The University of Waikato, Hamilton 3204, New Zealand;

    Waikato Centre for Advanced Materials, School of Engineering, The University of Waikato, Hamilton 3204, New Zealand;

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

    Titanium alloy; Microstructural evolution; Mechanical properties; Powder metallurgy;

    机译：钛合金微观结构演变;机械性能粉末冶金;

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