The interaction between a screw dislocation and a nano-inhomogeneity with a semi-infinite wedge crack penetrating the interface

Zhang, Y. B.; Fang, Qihong; Liu, Y. W.

doi:10.1007/s00707-013-0978-z

Cited by 1 publication

(3 citation statements)

References 29 publications

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“…According to the theory of complex functions, the general solution to equation (10) takes the following form:…”

Section: Problem Formulationmentioning

confidence: 99%

“…in which f(z) . Substituting equations (11) into (10), the expressions of stress and electric displacement are obtained:…”

Section: Problem Formulationmentioning

confidence: 99%

“…Bagheri et al [9] explored the problem of a screw dislocation located in a substrate imperfectly bonded to a coating, and the dislocation density was used to determine the field intensity factors. Zhang et al [10] investigated the interaction between a screw dislocation and a circular nanoinhomogeneity with a semi-infinite wedge crack penetrating the interface, and the influence of elastic mismatch of materials, inhomogeneity size, interface stress, and wedge-crack opening angle was studied. Shen and Hung [11] examined the interaction between a screw dislocation and an oblique edge crack in a semi-infinite piezoelectric medium under remote antiplane mechanical and in-plane electrical loadings.…”

Section: Introductionmentioning

confidence: 99%

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Interaction of Screw Dislocation with Edge Interfacial Crack on Fine-Grained Piezoelectric Coating/Substrate

Liu

et al. 2019

Advances in Materials Science and Engineering

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The interaction between micro- and macrocracks in a fine-grained piezoelectric coating/substrate under remote antiplane mechanical and in-plane electrical loadings was studied. The principle of superposition and a mapping function method was used to transform the fine-grained coating/substrate structure containing the screw dislocation and the edge interfacial crack into the right semi-infinite plane piezoelectric bimaterial with screw dislocation to simplify the problem. Furthermore, the electric field, displacement field, intensity factors, and image force of these two problems were established. In addition, numerical calculations were then given graphically to study the effects of the elastic modulus of the material, the size of the crack, the thickness of the coating, and the screw dislocation angle on the edge interface crack and dislocation.

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“…According to the theory of complex functions, the general solution to equation (10) takes the following form:…”

Section: Problem Formulationmentioning

confidence: 99%

“…in which f(z) . Substituting equations (11) into (10), the expressions of stress and electric displacement are obtained:…”

Section: Problem Formulationmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

See 1 more Smart Citation

Interaction of Screw Dislocation with Edge Interfacial Crack on Fine-Grained Piezoelectric Coating/Substrate

Liu

et al. 2019

Advances in Materials Science and Engineering

View full text Add to dashboard Cite

show abstract

The interaction between a screw dislocation and a nano-inhomogeneity with a semi-infinite wedge crack penetrating the interface

Cited by 1 publication

References 29 publications

Interaction of Screw Dislocation with Edge Interfacial Crack on Fine-Grained Piezoelectric Coating/Substrate

Interaction of Screw Dislocation with Edge Interfacial Crack on Fine-Grained Piezoelectric Coating/Substrate

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