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Fracture Analysis on a Cylindrical Composite Containing a Sliding Interface: An Interesting Phenomenon of Oscillatory Interfacial Normal Stress and its Implications

Published online by Cambridge University Press:  12 January 2017

H. X. Wei
Affiliation:
Beijing Advanced Innovation Center for Imaging TechnologyCapital Normal UniversityBeijing, China
T. Xiong
Affiliation:
Department of Mechanical EngineeringAcademy of Armored Force EngineeringBeijing, China
Y. D. Li*
Affiliation:
Beijing Advanced Innovation Center for Imaging TechnologyCapital Normal UniversityBeijing, China Department of Mechanical EngineeringAcademy of Armored Force EngineeringBeijing, China
Y. Guan
Affiliation:
Beijing Advanced Innovation Center for Imaging TechnologyCapital Normal UniversityBeijing, China
*
*Corresponding author (LYDbeijing@163.com)
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Abstract

Fracture analysis is performed on a cylindrical composite consisting of an outer elastic layer, an inner rigid cylinder and an intermediate sliding interface. Interaction between the sliding interface and a parallel crack under in-plane shear is explored. An interesting phenomenon of oscillatory normal stress occurs on the local interfacial region near to the crack. It leads to local sliding-prevention and promotion effects, which constitute the mechanisms for the variations of stress intensity factors versus interfacial parameters. In addition, another interesting conclusion is that a crack near and parallel to a sliding interface never has the conventional anti-symmetry, even under pure in-plane shear loading.

Type
Research Article
Copyright
Copyright © The Society of Theoretical and Applied Mechanics 2016 

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