Abstract
A possible method of estimating the extra work required in real elasto-plastic fracture as compared with a hypothetical non-linear elastic specimen is discussed. It is shown how the extra work term can be used to calculate the specific essential work, R., from J r obtained by the standard ASTM method. Although the method presented apparently underestimates the extra work, it points a way forward to obtain the true crack growth resistance.
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Cotterell, B., Chen, Z., Atkins, A.G. (2000). On the Extension of The Jr Concept to Significant Crack Growth. In: Chuang, T.J., Rudnicki, J.W. (eds) Multiscale Deformation and Fracture in Materials and Structures. Solid Mechanics and Its Applications, vol 84. Springer, Dordrecht. https://doi.org/10.1007/0-306-46952-9_13
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DOI: https://doi.org/10.1007/0-306-46952-9_13
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