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AN EXPERIMENTAL AND NUMERICAL STUDY OF DUCTILE FRACTURE OF COPPER/STAINLESS STEEL CLAD SHEET IN DEEP DRAWING PROCESS | ||
| Iranian Journal of Science and Technology Transactions of Mechanical Engineering | ||
| مقاله 7، دوره 39، M1، تیر 2015، صفحه 77-87 اصل مقاله (473.05 K) | ||
| نوع مقاله: Research Paper | ||
| شناسه دیجیتال (DOI): 10.22099/ijstm.2015.2950 | ||
| نویسندگان | ||
| M. MASHAYEKHI* ؛ F. DEHGHANI؛ N. TORABIAN؛ M. SALIMI | ||
| Dept. of Mechanical Engineering, Isfahan University of Technology, Isfahan 84156-83111, I. R. of Iran | ||
| چکیده | ||
| This work is an attempt towards employing ductile damage criterion and finite element simulations for prediction of fracture initiation and evolution in deep drawing of copper/stainless steel clad sheets. The material mechanical properties and ductile damage parameters were determined through standard and notched tensile tests. The effect of some important process parameters on damage evolution were examined through numerical modeling and the acceptable range of variations for each parameter were introduced in order to prevent tearing of the blank during the process. The numerical predictions of deformation and fracture behavior were in a good agreement with experimental observations. | ||
| کلیدواژهها | ||
| Copper/stainless steel clad sheet؛ ductile damage؛ Deep drawing | ||
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