Abstract
The application of generalized fracture mechanics to ductile materials is considered. The deformations leading to crack propagation in SEN specimens of a copper-beryllium alloy in two conditions were established experimentally and can be described in terms of the generalized theory. In particular, it was possible to define and measure a surface work for fracture propagation in specimens subject to general yielding. The values of surface work obtained were 7.5×108 mJ m−2 for the alloy in a low yield stress (235 MPa) condition and 1.2×108 mJ m−2 for the high yield-stress (725 MPa) condition.
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On secondment from RARDE (Ministry of Defence) Fort Halstead, Sevenoakes, Kent.
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Andrews, E.H., Billington, E.W. Generalized fracture mechanics. J Mater Sci 11, 1354–1361 (1976). https://doi.org/10.1007/BF00545158
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DOI: https://doi.org/10.1007/BF00545158