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Journal of Applied Mechanics and Technical Physics

2013 year, number 2

Construction of Fracture Diagrams for Plates with a Crack-Like Cut with the Use of Necessary and Sufficient Criteria

M. M. Shakirtov, A. P. Shabanov, V. M. Kornev
Keywords: crack-like cut, fracture diagrams, plastic zones
Pages: 308-314


The process of tension of a plate with a narrow crack-like cut whose vertices form finite-radius semi-circumferences is considered. The plate is made of a structured material whose mechanical characteristics are close to the characteristics of St.45 steel. Fracture diagrams are constructed by a numerical method, based on the necessary and sufficient criteria. A possibility of an analytical presentation of fracture diagrams is demonstrated.