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Physical mesomechanical criteria of plastic deformation and fracture

Abstract : A method is proposed to identify the near crack-tip region in a deforming object as the plastic zone and to diagnose its status as to whether or not the crack is about to open. The in-plane displacement field is visualized as a two-dimensional, full-field optical interfero-metric fringe pattern, and the diagnosis is made based on the plastic deformation and critical fracture criteria derived from a recent theory of deformation and fracture called physical mesomechanics. The proposed method is demonstrated for tensile experiments conducted for tin and steel specimens.
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Submitted on : Tuesday, December 9, 2014 - 12:37:27 PM
Last modification on : Wednesday, October 21, 2020 - 4:16:04 PM
Long-term archiving on: : Tuesday, March 10, 2015 - 11:35:48 AM


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  • HAL Id : hal-01092733, version 1


S. Yoshida, R.L. Rourks, T. Mita, K. Ichinose. Physical mesomechanical criteria of plastic deformation and fracture. Physical Mesomechanics, Springer, 2009, 12 (5-6), pp.249-253. ⟨hal-01092733⟩



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