Uniaxial Strain-Induced Grain Boundary Migration in Titanium
Uniaxial Strain-Induced Grain Boundary Migration in Titanium
复制标题
钛中单轴应变引起的晶界迁移
DOI:
10.1007/s40195-021-01225-1
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发表时间:
2021-04
期刊:
影响因子:
--
通讯作者:
Jian-Ping Li
中科院分区:
文献类型:
--
作者:
Tao Sun;Aidong Tu;Hao Wang;Shujun Li;Hui Peng;Jian-Ping Li
The mechanical response of a bi-crystal model with a 90° grain boundary under external compressive and tensile loading parallel to the boundary plane normal was investigated with molecular dynamics simulations. The grain boundary was found to migrate along two opposite directions upon compressive and tensile straining, with the formation of inter-connected coherent twin boundary and basal/prismatic boundary. The atomic details of such grain boundary migration were unraveled, which indicated the role of interface dislocations. The temperature effect was also discussed.
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