Abstract
Although much effort has been spent in the past to develop failure theories, there is still considerable uncertainty involved in determining the strength of a material. A central problem facing the designer today is optimizing the use of the multivarious materials now known to him and available for application under various loading and environmental conditions. This calls for an a priori knowledge of the kind of failure expected before design limits can be established. To acquire this knowledge, it is essential to know, at a minimum, the nature of loading, the prevailing environments, the material behavior, and whether there are any damaging cracks, notches or other mechanical imperfections present in the solid.
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Sih, G.C. (1991). Strain energy density and surface layer energy for blunt cracks or notches. In: Mechanics of Fracture Initiation and Propagation. Engineering Applications of Fracture Mechanics, vol 11. Springer, Dordrecht. https://doi.org/10.1007/978-94-011-3734-8_5
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DOI: https://doi.org/10.1007/978-94-011-3734-8_5
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