Interaction between edge dislocation and inhomogeneity of an arbitrary shape and properties under coupled thermomechanical strains
Yang Sun 1  
,   Ang Li 2,   Lan Shi 2,   Mabao Liu 2
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Xi’an University of Technology, Department of Engineering Mechanics, Xi’an, China
Xi’an Jiaotong University, State Key Laboratory for Strength and Vibration of Mechanical Structures, Xi’an, China
Yang Sun   

Department of Engineering Mechanics, Xi’an University of Technology, China
Submission date: 2020-06-11
Final revision date: 2020-09-25
Acceptance date: 2020-11-12
Online publication date: 2020-12-02
Publication date: 2021-01-15
Journal of Theoretical and Applied Mechanics 2021;59(1):121–133
In this work, a general approximate solution for the configurational force between edge dislocation and inhomogeneity of an arbitrary shape and properties with coupled thermo- mechanical loads was developed on the basis of the Eshelby equivalent inclusion theory. The effect of temperature-dependent elastic properties, thermal expansion coefficient and yield strength on the configurational forces was analyzed. Furthermore, the configurational force considered to be the driving force for dislocation migration was innovatively used to investigate the interaction mechanism between graphene and internal defects of a metal.
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