Abstract
The properties of the fracture of brittle materials has been recognized for many years. The brittle fracture of nominally ductile materials was recognized but not understood in the 1940s when nominally ductile metals were observed to fracture in a brittle manner. The evolution of an understanding of this behavior was developed in the early 1950s. The energy absorbed during the extension of a crack in a brittle solid is that which is associated with the surface tension of the increment of the crack extension. This result can be generalized to include brittle fracture in nominally ductile metals. Testing standards make it possible to determine fracture toughness values by the use of standardized test specimens.
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Carlson, R.L., Kardomateas, G.A., Craig, J.I. (2012). Fracture Mechanics. In: Mechanics of Failure Mechanisms in Structures. Solid Mechanics and Its Applications, vol 187. Springer, Dordrecht. https://doi.org/10.1007/978-94-007-4252-9_2
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DOI: https://doi.org/10.1007/978-94-007-4252-9_2
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