발간논문

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Vol.51, No.1, 41 ~ 51, 2013
Title
Determination of the Optimum Friction Conditions for Prediction of Deformation Texture in Al/Al-Mg/Al Composite Sheets during Cold-Roll Cladding
김은영 Eun Young Kim , 조재형 Jae Hyung Cho , 김형욱 Hyoung Wook Kim , 최시훈 Shi Hoon Choi
Abstract
Finite element analysis (FEA) was conducted to find an optimum friction condition for cold-roll cladding of Al/Al-Mg/Al composite sheets. X-ray diffraction was used to analyze the initial macrotexture in each component layer of Al/Al-Mg/Al composite sheets. Electron back-scatter diffraction (EBSD) was used to analyze the heterogeneity of the deformation texture in each component layer through the thickness direction after cold-roll cladding. The velocity gradient tensors determined by the FEA were used in a rate sensitive polycrystal model to simulate the evolution of deformation texture through the thickness direction of Al/Al-Mg/Al composite sheets during cold-roll cladding. The theoretical simulation provided an optimum friction condition for cold-roll cladding analysis of the Al/Al-Mg/Al composite sheets.
Key Words
deformation texture, finite element analysis, friction coefficient, polycrystal model
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