首页|Identification of Secondary Dislocations by Singular Value Decomposition of the Nye Tensor
Identification of Secondary Dislocations by Singular Value Decomposition of the Nye Tensor
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Recently,we proposed the use of singular values and singular vectors of the Nye tensor to specify the features of dislocations.To further validate the method in identifying dislocations,the algorithm is applied to detect secondary dislocations in this paper.Different from the perfect and partial dislocations where the reference state is a single crystal,the reference state for detecting secondary dislocations should be a bi-crystal in a coincident coherent state.It is demonstrated that the secondary dislocations in an interface can be correctly identified when the reference state is appropriately selected.
Nye tensorSingular value decompositionSecondary dislocation
Fuzhi Dai、Wenzheng Zhang
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Key Laboratory of Advanced Materials(MOE), School of Materials Science and Engineering, Tsinghua University,Beijing 100084, China
NETL
NSTL
万方数据
维普
