期刊
MATERIALS
卷 14, 期 4, 页码 -出版社
MDPI
DOI: 10.3390/ma14041012
关键词
dislocation– boundary interaction; dislocation– interface interaction; deformation twin-boundary interaction; size effect; boundary structure; boundary strengthening; characterization techniques
类别
资金
- National Natural Science Foundation of China (NSFC) [51901091]
In this paper, the interactions between dislocations and boundaries during deformation at ambient temperatures are reviewed, with a focus on interaction behaviors, boundary resistances and energies, transmission mechanisms, grain size effects, and other primary influencing factors. The structure of boundaries and interactions between dislocations and boundaries in metals with different grain sizes are summarized, and the advantages and drawbacks of in-situ techniques are briefly discussed based on experimental and simulation results. The latest studies and fundamental concepts are presented in the hope that this paper can serve as a reference for the interactions between dislocations and boundaries during deformation.
The interactions between dislocations (dislocations and deformation twins) and boundaries (grain boundaries, twin boundaries and phase interfaces) during deformation at ambient temperatures are reviewed with focuses on interaction behaviors, boundary resistances and energies during the interactions, transmission mechanisms, grain size effects and other primary influencing factors. The structure of boundaries, interactions between dislocations and boundaries in coarse-grained, ultrafine-grained and nano-grained metals during deformation at ambient temperatures are summarized, and the advantages and drawbacks of different in-situ techniques are briefly discussed based on experimental and simulation results. The latest studies as well as fundamental concepts are presented with the aim that this paper can serve as a reference in the interactions between dislocations and boundaries during deformation.
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