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贾志强,曾卫东,王凯旋.TC17钛合金片状组织球化演变及Burgers关系的缺失[J].稀有金属材料与工程(英文),2017,46(10):2895~2899.[Zhiqiang Jia,Weidong Zeng and Kaixuan Wang.The microstructure evolution and the loss of Burgers orientation relationship during dynamic globularization for TC17 titanium alloy[J].Rare Metal Materials and Engineering,2017,46(10):2895~2899.]
The microstructure evolution and the loss of Burgers orientation relationship during dynamic globularization for TC17 titanium alloy
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Received:August 04, 2015  Revised:September 28, 2015
DOI:
Key words: TC17 titanium alloy  Burgers orientation relationship  microstructure  EBSD  low-angle grain boundary  high-angle grain boundary
Foundation item:教育部博士点基金(20136102110034);新世纪优秀人才支持计划(NCET-07-0696)
Author NameAffiliation
Zhiqiang Jia,Weidong Zeng and Kaixuan Wang  
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Abstract:
      The microstructure evolution and the change of Burgers orientation relationship between α and β phase of TC17 titanium alloy with initial lamellar microstructure were analyzed and researched by EBSD. The results shown that dynamic recrystallization of β phase was occured during hot deformation process. Meanwhile, the dynamic globularization of α phase contained the formation of subboundary and the fragmentation of α phase. The fragmentized α phase was eventually transformed to globularized particle. Meanwhile, the strict Burgers orientation relationship between α and β phase was destroyed, which was due to the activation of prismatic slip system and othe slip or twin system.
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