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Title of article :
A novel method for the partition of mixed-mode fractures in 2D elastic laminated unidirectional composite beams
Author/Authors :
C.M. Harvey، نويسنده , , J.D. Wood، نويسنده , , S. Wang، نويسنده , , A. Watson، نويسنده ,
Issue Information :
روزنامه با شماره پیاپی سال 2014
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Abstract :
A powerful method for partitioning mixed-mode fractures on rigid interfaces in laminated unidirectional double cantilever beams (DCBs) is developed by taking 2D elasticity into consideration in a novel way. Pure modes based on 2D elasticity are obtained by introducing correction factors into the beam-theory-based mechanical conditions. These 2D-elasticity-based pure modes are then used to derive a 2D-elasticity-based partition theory for mixed-mode fractures. Excellent agreement is observed between the present partition theory and Suo and Hutchinson’s partition theory (Suo and Hutchinson, 1990) [1]. Furthermore, the method that is developed in this work has a stronger capability for solving more complex mixed-mode partition problems, for example, in the bimaterial case (Suo and Hutchinson, 1990) [1].
Keywords :
Energy release rate , Laminated unidirectional composites , Fracture mode partitioning , Mixed-mode fracture , Orthogonal pure modes
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