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여은구(E-G Yoh),유헌일(H-I Yoo),이용신(Y-S Lee) 한국자동차공학회 1997 한국자동차공학회 춘 추계 학술대회 논문집 Vol.1997 No.6_2
The failure of forging die often occurs as a result of growth of microcracks-reffered as brittle damage. In this study, an analysis of brittle damage coupled with the thermo-elastic finite element analysis is presented. A damage function suggested by Krajcinovec is utilized and a thermomechanical continuum frame work is carried out with a brittle damage. Defined as a vector considering the shape of common microcracks in the brittle metals. An application of the proposed model to the die for the ball stud is given.<br/>