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이정완(J. W. Lee),황선광(S. K. Hwang),백현무(H. M. Baek),임용택(Y. T. Im),손일헌(I. H. Son),배철민(C. M. Bae) 한국소성가공학회 2012 한국소성가공학회 학술대회 논문집 Vol.2012 No.10
In this study, an asymmetric drawing process is designed as a new process to manufacture high-strength wires. It is the same process with conventional wire-drawing except for geometry of drawing dies. To compare the asymmetric drawing and wire-drawing, three-dimensional finite element analyses were carried out. Effective strain of the asymmetric drawing was higher than the one of the wire-drawing. For verification of the designed process, experiments of the asymmetric drawing and wire-drawing with the same reduction of area per each pass were conducted with low carbon steel. Tension test results showed that UTS value of the drawn wires by the asymmetric drawing was higher than the one of the conventional wire-drawing. This result indicated that the asymmetric drawing process could manufacture high-strength wires compared to the conventional wire-drawing.