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Clad Sheet(Mg-Al-SUS) 성형성에 관한 해석 기법의 연구
정택우(T. W. Jung),이영선(Y. S. Lee),김대용(D. Kim),문영훈(M. Y. Hoon) 한국소성가공학회 2009 한국소성가공학회 학술대회 논문집 Vol.2009 No.10
The Clad sheet is made roll-bonding process of the or more material with the different property. Good formability is an essential property in order to deform a clad metal sheet to a part or component. In this study, the mechanical properties and formability of a Mg-Al-SUS clad sheet are investigated. The clad sheet was deformed at elevated temperatures because of its poor formability at room temperature. Tensile tests of the each material and clad sheet were performed at various temperatures and at various strain rates. The limited draw ration (LDR) was obtained using a deep drawing test to measure the formability of the clad sheet. A finite element (FE) analysis was performed to predict formability of the cup drawing product, one_layer model and three_layer model.