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The coupling interaction of a screw dislocation with a bimaterial interface and a nearby circular inclusion
Chai H; Jiang CP; Song F(宋凡); Li J; Yan P; Song, F (reprint author), Chinese Acad Sci, Inst Mech, State Key Lab Nonlinear Mech LNM, Beijing 100190, Peoples R China.
Source PublicationARCHIVE OF APPLIED MECHANICS
2015-11
Volume85Issue:11Pages:1733-1742
ISSN0939-1533
AbstractThis work deals with the coupling interaction of a screw dislocation with a bimaterial interface and a nearby circular inclusion. Explicit series solutions are obtained by the complex potential and conformal mapping technique. Then the solutions are cast into new expressions with the coupling interaction effects separated. The new expressions converge rapidly and provide good first-order approximation formulae. The interaction energy and image force fields are formulated, evaluated, and shown graphically. It is found that the inclusion severely distorts the neighboring interaction energy contours and image force lines. There must be one unstable equilibrium point in Material 2 where the inclusion is located, whereas there may be zero, one or two equilibrium points (stable or unstable) in Material 1 without any inclusion, which depends on a combination of three material shear moduli and the nondimensional distance between the inclusion and bimaterial interface. It is interesting to notice that the direction of some local image forces in Material 1 may be inversed by a nearby inclusion in Material 2, and the inverse region is close to but not connected to the bimaterial interface.
KeywordDislocations Bimaterial Inclusions Coupling Interaction Dislocation Mechanics Dislocation Equilibrium Point
DOI10.1007/s00419-015-1015-6
URL查看原文
Indexed BySCI ; EI
Language英语
WOS IDWOS:000361968400010
WOS KeywordSTRESS INTENSITY FACTORS ; EDGE DISLOCATION ; IMPERFECT INTERFACE ; CRACKS ; INHOMOGENEITY ; NUCLEATION ; SURFACE ; PLATE
WOS Research AreaMechanics
WOS SubjectMechanics
Funding OrganizationThe work was supported by the National Natural Science Foundation of China ( Grants Nos. 11172023 and 11232013).
DepartmentLNM生物材料微结构和力学性能
ClassificationQ3
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Document Type期刊论文
Identifierhttp://dspace.imech.ac.cn/handle/311007/58406
Collection非线性力学国家重点实验室
Corresponding AuthorSong, F (reprint author), Chinese Acad Sci, Inst Mech, State Key Lab Nonlinear Mech LNM, Beijing 100190, Peoples R China.
Recommended Citation
GB/T 7714
Chai H,Jiang CP,Song F,et al. The coupling interaction of a screw dislocation with a bimaterial interface and a nearby circular inclusion[J]. ARCHIVE OF APPLIED MECHANICS,2015,85(11):1733-1742.
APA Chai H,Jiang CP,宋凡,Li J,Yan P,&Song, F .(2015).The coupling interaction of a screw dislocation with a bimaterial interface and a nearby circular inclusion.ARCHIVE OF APPLIED MECHANICS,85(11),1733-1742.
MLA Chai H,et al."The coupling interaction of a screw dislocation with a bimaterial interface and a nearby circular inclusion".ARCHIVE OF APPLIED MECHANICS 85.11(2015):1733-1742.
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