Abstract
The test procedure for plane strain fracture toughness testing is standardized [1, 2] by the American Society for Testing and Materials, ASTM. At first glance, it seems strange that a standard test is necessary. The versatility of the K concept implies that any cracked specimen for which K can be calculated is suitable. However, there are a few requirements to be fulfilled to obtain a condition of plane strain at a crack tip. The ASTM standard provides these criteria. Besides, standards exist for other mechanical tests, as for example, the tensile test. These are necessary if the material producers have to comply with specified values for the mechanical properties.
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References
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© 1982 Martinus Nijhoff Publishers, The Hague
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Broek, D. (1982). Plane strain fracture toughness. In: Elementary engineering fracture mechanics. Springer, Dordrecht. https://doi.org/10.1007/978-94-009-4333-9_7
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DOI: https://doi.org/10.1007/978-94-009-4333-9_7
Publisher Name: Springer, Dordrecht
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