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Ti-2Al-2.5Zr单道次皮尔格轧制过程中显微组织和织构的演化
作者:
作者单位:

中国核动力研究设计院 反应堆燃料及材料重点实验室，四川 成都 610213

基金项目:

Sichuan Science and Technology Program [grant number 2019ZDZX0001].


Evolution of Microstructure and Microtexture in Ti-2Al-2.5Zr During One Pass Cold Pilgering
Author:
Affiliation:

Science and Technology on Reactor Fuel and Materials Laboratory, Nuclear Power Institute of China, Chengdu 610213, China

Fund Project:

Sichuan Science and Technology Program (2019ZDZX0001)

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    摘要:

    研究了单道次皮尔格轧制过程中Ti-2Al-2.5Zr材料的变形行为和织构的演变规律。结果表明，在轧制过程中，｛102｝孪晶和柱面滑移是最容易被激活的2种变形模式，｛102｝孪晶的产生使得晶粒在轴向上的位向从<100>转向<110>。并且，在不同瞬时Q值和等效应变量下，滑移和孪生导致｛0001｝极图中最大极密度点在切向上发生变化。

    Abstract:

    The evolution of deformation behavior and microtexture in one pass cold Pilgering process was investigated. Results show that during cold Pilgering, the {102} tensile twin and prismatic slip are the two modes that are most easily activated. The activated {102} tensile twins cause the grain orientation changes in axial directions, which changes from <100> to <110>. The maximum intensity point of {0001} pole figure changes along the TD, which is attributed to twinning and slip under different transient Q-value and equivalent plastic strain.

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吴军,王理,刘肖,廖京京,王辉.Ti-2Al-2.5Zr单道次皮尔格轧制过程中显微组织和织构的演化[J].稀有金属材料与工程,2022,51(4):1145~1151.[Wu Jun, Wang Li, Liu Xiao, Liao Jingjing, Wang Hui. Evolution of Microstructure and Microtexture in Ti-2Al-2.5Zr During One Pass Cold Pilgering[J]. Rare Metal Materials and Engineering,2022,51(4):1145~1151.]
DOI：10.12442/j. issn.1002-185X.20210171

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  • 收稿日期:2021-03-03
  • 最后修改日期:2021-05-10
  • 录用日期:2021-06-21
  • 在线发布日期: 2022-04-28
  • 出版日期: 2022-04-28

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