Abstract
To apply the theory developed in the previous chapters, fracture toughness values must be measured. A wealth of methods for the determination of critical values of the stress intensity factor, R-curve, energy release rate have been developed. A number of these fracture toughness test methods are described here. The choice of method to use will depend on the material being tested and on your goals. Methods that work for steel will not work for composite materials. If you need data for a critical application you’ll want to use a standard, accepted test method. If you are developing a new material and want to determine toughness as part of the development or screening process you might choose another method.
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Zehnder, A.T. (2012). Fracture Toughness Tests. In: Fracture Mechanics. Lecture Notes in Applied and Computational Mechanics, vol 62. Springer, Dordrecht. https://doi.org/10.1007/978-94-007-2595-9_6
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DOI: https://doi.org/10.1007/978-94-007-2595-9_6
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