Mode I Fracture Toughness of a Tri-Layered Beam with Interfacial Crack

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A tri-layered cracked beam under opening loading is developed for the interfacial fracture toughness measurement. Determination of the mode I strain energy release rate along the second and third layers of the tri-layered beam is carried out analytically. The analytical prediction of the strain energy release rate is validated with the finite element results. The influences of the layer thickness and Young’s modulus on the strain energy release rate are examined through a parametric study.

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245-248

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May 2012

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© 2012 Trans Tech Publications Ltd. All Rights Reserved

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