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Experimental and finite element analysis for fracture of coating layer of galvannealed steel sheet |
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| Authors: | S I KIM J U HER Y C JANG Y LEE Sheet Products Process Research Group POSCO Techology Research Laboratory Gwangyang Korea |
| Affiliation: | S. I. KIM1,J. U. HER2,Y. C. JANG2,Y. LEE2 1. Sheet Products and Process Research Group,POSCO Techology Research Laboratory,Gwangyang,Korea,2. Department of Mechanical Engineering,Chung-Ang University,Seoul,156-756 |
| Abstract: | Mechanical properties of galvannealed (GA) steel sheet used for automotive exposed panel and predicted failure phenomenon of its coating layer were evaluated using finite element method. V-bending test was performed to understand better the fracture of coating layer of GA steel sheet during plastic deformation. Yield strength of the coating layer was calculated by using a relative difference between hardness of coating layer measured from the nano-indentation test and that of substrate. To measure shearing ... |
| Keywords: | galvannealed steel sheet fracture simulation coating layer finite element analysis failure model |
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