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남궁정(J. Namkung),김용찬(Y. C. Kim),김문철(M. C. Kim),윤중묵(J. M. Yoon),채영욱(Y. W. Chae),이동희(D. H. Lee),오상훈(S. H. Oho),김남수(N. S. Kim) 한국소성가공학회 2009 한국소성가공학회 학술대회 논문집 Vol.2009 No.5
Cast defect in large steel ingots are estimated in quality and compared each other conditions on simulation results by now. The cast defects, micro-crack, shrinkage, pin hole which are predictable in simulation with a reasonable accuracy. In this study, 15 ton steel ingot casting was simulated for solidification model and cast defect prediction. And the real cast was carried out in a foundry for the compeer to the simulation results, the cast defect prediction. Also, the quantity of predicted defect was tried to measuring with the defect mach counting for the various simulated cast conditions. the defect quantity work was used to find the optimized cast condition in DOE(design of experiment) procedure.