A fracture criterion for blunted V-notched samples

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J-integral evaluation for U- and V-blunt notches under Mode I loading and materials obeying a power hardening law (2007, methodology): “(1987), Seweryn (1994), Seweryn et al. (1997), Dunn et al. (1997a, b), Gomez and Elices (2003, 2004) , Gomez et al. (2005, 2007).”
Two-dimensional fracture mechanics problems for solids with sharp and rounded V-notches (2010, methodology): “Using similar way, the analysis of rectangular notched specimen was performed (Gómez and Elices 2004).”
Local strain energy to assess the static failure of U-notches in plates under mixed mode loading (2007, background): “Recently, Eq. 6 has been extensively used by Gomez and Elices (2004, 2005a) and Gomez et al. (2005b, 2006) who were able to summarize a large amount of data obtained from three-point and four-point bending, as well as single and double edge notched bars subject to uniaxial tension.”
Brittle fracture in rounded-tip V-shaped notches (2010, methodology): “Figs. 4–6 show the results of the proposed criteria in predicting notch fracture toughness of PMMA at � 60 C compared with the experimental results obtained in [ 11 ] from fracture tests on three-point bend (TPB) rectangular V-notched samples.”
Failure criteria for linear elastic materials with U-notches (2006, background): “Fig. 1b. All the fracture results from U-notched specimens are gathered on the same curve, an outcome already known for blunted V-notched samples of brittle materials ( Gomez and Elices 2004 ).”