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Dimple Fracture Simulation of Fracture Specimen under Different Constraint Conditions

Masanori Kikuchi 1

Department of Mechanical Engineering, Faculty of Science and Technology, Tokyo University of Science, 2641, Yamazaki, Noda, Chiba, 278-8510, Japan

Computer Modeling in Engineering & Sciences 2006, 11(2), 49-60. https://doi.org/10.3970/cmes.2006.011.049

Abstract

Three kinds of fracture specimens are tested under different constraint conditions. By the SEM(Scanning Electron Microscope) observation, it is shown that the roughness of fracture surface is different from each other largely. This is the effect of constraint condition. The dimple fracture process is simulated by the finite element method using Gurson’s constitutive equation, and the crack tip stress fields are obtained. The distributions of stress triaxiality qualitatively agree with the experimental results. The J-R curves obtained also qualitatively agree with those of experiments, and the fracture surface roughness is well simulated.

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APA Style
, M.K. (2006). Dimple fracture simulation of fracture specimen under different constraint conditions. Computer Modeling in Engineering & Sciences, 11(2), 49-60. https://doi.org/10.3970/cmes.2006.011.049
Vancouver Style
MK. Dimple fracture simulation of fracture specimen under different constraint conditions. Comput Model Eng Sci. 2006;11(2):49-60 https://doi.org/10.3970/cmes.2006.011.049
IEEE Style
M.K. , "Dimple Fracture Simulation of Fracture Specimen under Different Constraint Conditions," Comput. Model. Eng. Sci., vol. 11, no. 2, pp. 49-60. 2006. https://doi.org/10.3970/cmes.2006.011.049



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