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| A unified brittle fracture criterion for structures with sharp V-notches under mixed mode loading
Sang Bong Cho
The Journal of Mechanical Science and Technology, vol. 22, no. 7, pp.1269-1278, 2008
Abstract : A unified brittle fracture criterion for cracks and V-notches under mixed mode loading is proposed by extending the
maximum circumferential stress criterion and Novozhilov’s criterion. The mixed mode fracture toughness and crack
orientation of PMMA plates with a sharp V-notch are predicted by the proposed criterion. Tests were also carried out in
order to investigate the mixed mode fracture of the PMMA plates. The fracture criterion is validated by comparison to
experimental results.
Keyword : Sharp V-notch; Maximum circumferential stress criterion; Unified brittle fracture criterion; Stress intensity factor; RWCIM |
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