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形变细化晶粒和润滑轧制对Ni-9.3at.%W合金基带立方织构形成的影响
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北京工业大学材料科学与工程学院,北京工业大学材料科学与工程学院,北京工业大学材料科学与工程学院,北京工业大学材料科学与工程学院,北京工业大学材料科学与工程学院,北京工业大学材料科学与工程学院,北京工业大学材料科学与工程学院,北京工业大学材料科学与工程学院

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TG146

基金项目:

国家自然科学基金(项目号51171002)、北京市自然科学基金(项目号2132011)、2013年度北京市自然科学基金重点项目B类(项目号KZ201310005003)、高等学校博士学科点专项科研基金资助(项目号20121103110012)、北京市属高等学校创新团队建设与教师职业发展计划项目(项目号IDHT20130510)等资助


Influence of Deformation Refinement Grain and Lubrication Rolling on theCube Texture Formation in Ni-9.3at.%W Alloy Substrate
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College of Materials Science and Engineering,Beijing University of Technology,College of Materials Science and Engineering,Beijing University of Technology,College of Materials Science and Engineering,Beijing University of Technology,College of Materials Science and Engineering,Beijing University of Technology,College of Materials Science and Engineering,Beijing University of Technology,College of Materials Science and Engineering,Beijing University of Technology,College of Materials Science and Engineering,Beijing University of Technology,College of Materials Science and Engineering,Beijing University of Technology

Fund Project:

The National Natural Science Foundation of China (51171002)、Beijing Municipal Natural Science Foundation (2132011)、Beijing Municipal Natural Science Foundation B Type (KZ201310005003)、The Doctoral Program of Higher Education of Special Research Fund (20121103110012)、The Project of Construction of Innovative Teams and Teacher Career Development for Universities and College Under Beijing Municipality (IDHT20130510)

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    摘要:

    采用光学显微镜(OM)、X射线四环衍射(XRD)技术、电子背散射衍射(EBSD)技术分析研究了形变细化晶粒、润滑轧制对Ni-9.3at.%W(Ni9.3W)合金基带立方织构形成的影响。结果表明,采用形变细化晶粒的方法能有效提高Ni9.3W合金基带的立方织构含量,并且随着初始形变量的增加,晶粒细化程度越大,立方织构含量越高,采用优化的形变细化晶粒工艺使得Ni9.3W合金基带立方织构含量提高了9.8%。另外,增加形变细化晶粒后的轧制总变形量,立方织构含量进一步提升了24.7%,根据以上结果,确定了初始坯锭制备阶段的参数。在此基础上,研究了轧制变形的润滑与非润滑对立方织构形成的影响,相比非润滑轧制而言,采用润滑轧制,轧制织构中获得了较多的S取向与Copper取向,经再结晶退火后,润滑轧制基带的立方织构含量比非润滑轧制基带的立方织构含量高9.6%,达到了86.7%(<15°),而且孪晶界数量、小角度晶界含量均要优于非润滑轧制,说明润滑轧制对立方织构形成有着积极的影响。

    Abstract:

    Influence of deformation refinement grain and lubrication rolling on the cube texture formation in Ni-9.3at.%W(Ni9.3W) alloy substrate was analysised by optical microscope(OM), X-ray diffraction(XRD) and electron backscattered diffraction(EBSD) technique. The results show that the method of deformation refinement grain can effectively improve the cube texture content in Ni9.3W alloy substrate. The grains are finer according to the increase of deformation reduction, which results in obtaining a higher cube texture content in annealed substrate.The cube texture content by the optimized deformation refinement grain increases 9.8% higher than that without deformation refinement grain in Ni9.3W alloy substrate. Besides, cube texture content increases further 24.7% by adding total rolling deformation after deformation refinement grain. According to these results, the parameters for preparation of the initial ingot are determined. On the basis of it, the influence of lubrication rolling on cube texture formation is also studied by compared with that without lubrication rolling. Lubrication rolling is able to get more S and Copper orientation in rolling textures. After recrystallization annealing, cube texture content with lubrication rolling reaches 86.7% (<15°), which is 9.6% higher than that without lubrication rolling. In addition, the twin boundary quantity and low angle grain boundary content by lubrication rolling is superior to that without lubrication rolling, which illustrates that lubrication rolling has a significant effect on the cube texture formation.

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彭发学,马麟,田辉,索红莉,孟易辰,梁雅儒,刘婧,钟志鹏.形变细化晶粒和润滑轧制对Ni-9.3at.%W合金基带立方织构形成的影响[J].稀有金属材料与工程,2017,46(10):2975~2980.[Peng Faxue, Ma Lin, Tian Hui, Suo Hongli, Meng Yichen, Liang Yaru, Liu Jing, Zhong Zhipeng. Influence of Deformation Refinement Grain and Lubrication Rolling on theCube Texture Formation in Ni-9.3at.%W Alloy Substrate[J]. Rare Metal Materials and Engineering,2017,46(10):2975~2980.]
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历史
  • 收稿日期:2015-06-25
  • 最后修改日期:2015-07-16
  • 录用日期:2015-09-07
  • 在线发布日期: 2017-12-01
  • 出版日期: