:Strong and ductile Mg alloys developed by dislocation engineering论文

本文主要研究内容

作者(2019)在《Strong and ductile Mg alloys developed by dislocation engineering》一文中研究指出:Dislocation engineering concept has been successfully employed to tackle the strength-ductility trade-off in steels, resulting in the development of high-strength high-ductility deformed and partitioned(D&P)steel. The present perspective proposes to employ such dislocation engineering concept to develop strong and ductile magnesium(Mg) alloys. High density of < c + a > dislocations could be generated at appropriate temperature and retained in the Mg alloy after quenching to room temperature. Those < c + a > dislocations inherited from the warm deformation could provide < c + a > dislocation sources when the Mg alloy is deformed at room temperature, resulting in good ductility. The high dislocation density generated at warm deformation provides dislocation forest hardening, leading to improved yield strength of Mg alloy.

Abstract

Dislocation engineering concept has been successfully employed to tackle the strength-ductility trade-off in steels, resulting in the development of high-strength high-ductility deformed and partitioned(D&P)steel. The present perspective proposes to employ such dislocation engineering concept to develop strong and ductile magnesium(Mg) alloys. High density of < c + a > dislocations could be generated at appropriate temperature and retained in the Mg alloy after quenching to room temperature. Those < c + a > dislocations inherited from the warm deformation could provide < c + a > dislocation sources when the Mg alloy is deformed at room temperature, resulting in good ductility. The high dislocation density generated at warm deformation provides dislocation forest hardening, leading to improved yield strength of Mg alloy.

论文参考文献

  • [1].Alloy design by dislocation engineering[J]. M.X.Huang,B.B.He.  Journal of Materials Science & Technology.2018(03)
  • [2].Evolution of dislocation cells during plastic deformation[J]. 周志敏,孙艳蕊,周海涛.  Transactions of Nonferrous Metals Society of China.2005(01)
  • [3].Quantitative study on interactions between interfacial misfit dislocation networks and matrix dislocations in Ni-based single crystal superalloys[J]. Jun Xiong,Yaxin Zhu,Zhenhuan Li,Minsheng Huang.  Acta Mechanica Solida Sinica.2017(04)
  • [4].Comparison and analysis of dislocation density,morphology and evolution in mi-crostructure of low-carbon steel produced using different technologies[J]. Hao Yu1), Yonglin Kang1), and Hongbo Dong2)1) Materials Science and Engineering School, University of Science and Technology Beijing, Beijing 100083, China 2) Jinan Iron & Steel Group Co., Jinan 250101, China.  Journal of University of Science and Technology Beijing(English Edition).2006(05)
  • [5].Comparison and analysis of dislocation density, morphology and evolution in microstructure of low-carbon steel produced using different technologies[J]. YU Hao~ 1) , KANG Yonglin~ 1) , DONG Hongbo~ 2) 1) Materials Science and Engineering School, University of Science and Technology Beijing, Beijing 100083, China 2) Jinan Iron & Steel Group Co., Jinan 250101, China.  北京科技大学学报.2006(11)
  • [6].Electronic structure of edge dislocation of core-doped Ti in Fe[J]. DANG Hongli 1 *,WANG Chongyu 1,2,3 and SHU Xiaolin 1(1. Central Iron and Steel Research Institute,Beijing 100081,China;2. Department of Physics,Tsinghua University,Beijing 100084,China;3. International Center for Materials Physics,Academica,Shenyang 110016,China).  Progress in Natural Science.2004(06)
  • [7].Interior dislocation behavior in superplastic deformation of 8090 Al-Li alloy[J]. 刘志义.  Transactions of Nonferrous Metals Society of China.1999(04)
  • [8].BAUSCHINGER EFFECT AND DISLOCATION STRUCTURE IN STAINLESS STEEL DURING CYCLIC DEFORMATION[J]. XIA Yuebo WANG Zhongguang DU Xiukui Institute of Metal Research,Academia Sinica,Shenyang,China XIA Yuebo,Associate Professor,Institute of Metal Research,Academia Sinica,Shenyang,China.  Acta Metallurgica Sinica(English Edition).1989(01)
  • [9].CYCLIC DEFORMATION OF FACE CENTERED CUBIC CRYSTALS AND ITS DISLOCATION INTERACTION MODEL——Ⅱ.DISLOCATION INTERACTION MODEL OF CYCLIC DEFORMATION[J]. JIN Nengyun Shanghai Jiaotong University Jin Nengyun,Department of Materials Science,Shanghai Jiaotong University,Shanghai 200030,China.Present address:Max-Planck-Institut für Metallforschung,Institut für Physik,7000 Stuttgart 80,FRG.  Acta Metallurgica Sinica(English Edition).1989(02)
  • [10].Stable dislocation configuration in the surface layer of metals[J]. LI Dong, MAO WeiMing & YU YongNing Department of Materials Science and Engineering, University of Science and Technology Beijing, Beijing 100083, China.  Chinese Science Bulletin.2007(13)
  • 论文详细介绍

    论文作者分别是来自Journal of Materials Science & Technology的,发表于刊物Journal of Materials Science & Technology2019年03期论文,是一篇关于,Journal of Materials Science & Technology2019年03期论文的文章。本文可供学术参考使用,各位学者可以免费参考阅读下载,文章观点不代表本站观点,资料来自Journal of Materials Science & Technology2019年03期论文网站,若本站收录的文献无意侵犯了您的著作版权,请联系我们删除。