Elastic-plastic mode-II fracture of adhesive joints

Q. D. Yang; M. D. Thouless; S. M. Ward

doi:10.1016/S0020-7683(00)00221-3

Elastic-plastic mode-II fracture of adhesive joints

Q. D. Yang, M. D. Thouless, S. M. Ward

Research output: Contribution to journal › Article

128 Scopus citations

Abstract

A numerical study of the elastic-plastic mode-II fracture of adhesive joints is presented in this paper. A traction-separation law was used to simulate the mode-II interfacial fracture of adhesively bonded end-notched flexure (ENF) specimens loaded in three-point bending, with extensive plastic deformation accompanying failure. The fracture parameters for the traction-separation law were determined by comparing the numerical and experimental results for one particular geometry. These parameters were then used without further modification to simulate the fracture of other ENF specimens with different geometries. It was found that the numerical predictions for the loads and deformation were in excellent agreement with the corresponding experimental results.

Original language	English (US)
Pages (from-to)	3251-3262
Number of pages	12
Journal	International Journal of Solids and Structures
Volume	38
Issue number	18
DOIs	https://doi.org/10.1016/S0020-7683(00)00221-3
State	Published - Mar 14 2001
Externally published	Yes

Keywords

Adhesive joints
Fracture
Mechanical testing
Numerical modeling
Plasticity

ASJC Scopus subject areas

Mechanical Engineering
Mechanics of Materials

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10.1016/S0020-7683(00)00221-3

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Yang, Q. D., Thouless, M. D., & Ward, S. M. (2001). Elastic-plastic mode-II fracture of adhesive joints. International Journal of Solids and Structures, 38(18), 3251-3262. https://doi.org/10.1016/S0020-7683(00)00221-3

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AU - Thouless, M. D.

AU - Ward, S. M.

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AB - A numerical study of the elastic-plastic mode-II fracture of adhesive joints is presented in this paper. A traction-separation law was used to simulate the mode-II interfacial fracture of adhesively bonded end-notched flexure (ENF) specimens loaded in three-point bending, with extensive plastic deformation accompanying failure. The fracture parameters for the traction-separation law were determined by comparing the numerical and experimental results for one particular geometry. These parameters were then used without further modification to simulate the fracture of other ENF specimens with different geometries. It was found that the numerical predictions for the loads and deformation were in excellent agreement with the corresponding experimental results.

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KW - Fracture

KW - Mechanical testing

KW - Numerical modeling

KW - Plasticity

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