A test specimen capable of measuring the fracture resistance of bimaterial interfaces has been devised. A finite element approach has been used to characterize trends in the stress intensities and center point displacement with specimen dimensions, elastic properties, and crack length. The utility of the specimen has been demonstrated by conducting experiments on the model system, Al/PMMA.
A Test Specimen for Determining the Fracture Resistance of Bimaterial Interfaces
Charalambides, P. G., Lund, J., Evans, A. G., and McMeeking, R. M. (March 1, 1989). "A Test Specimen for Determining the Fracture Resistance of Bimaterial Interfaces." ASME. J. Appl. Mech. March 1989; 56(1): 77–82. https://doi.org/10.1115/1.3176069
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