Further studies on crack-tip plasticity of rapid tearing |
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| Authors: | O S Lee A S Kobayashi A Komine |
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| Institution: | (1) Department of Mechanical Engineering, Inha University, Inchon, Korea;(2) Department of Mechanical Engineering, University of Washington, FU-10, 98195 Sealtle, WA;(3) Komatsu, Ltd., Hiratsuka City, Japan |
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| Abstract: | A modified Dugdale model for rapid tearing is reviewed. Further justification of the model is provided by agreements between
the measured crack-tip-opening displacement in rapidly tearing polycarbonate specimens and those computed by using the model.
The model is then used to determine the residual stresses in an unloaded polycarbonate fracture specimen after crack arrest.
The modified Dugdale model is also used to analyze the rapid tearing data of aluminum fracture specimens. |
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