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Please use this identifier to cite or link to this item: http://ir.ncue.edu.tw/ir/handle/987654321/13366

Title: An Investigation into deformation mechanisms in the rolling of complex sheets with internal defects
Authors: Chen, Dyi-Cheng
Contributors: 工業教育與技術學系 
Date: 2007-07
Issue Date: 2012-08-27T05:51:20Z
Abstract: This study conducts a finite element analysis of the plastic deformation and bonding behaviour of complex aluminium-copper sheets containing internal defective voids in the asymmetrical cold rolling process. The influences of the roll diameter, the thickness ratio of the upper/lower sheet layers, the total sheet thickness at the entrance, and the sheet thickness reduction ratio on the dimensions of the internal void at the exit and the effective stress/strain distributions in the complex sheet are examined. Additionally, the evolution of closing of the correlation between the upper/lower voids under different rolling process parameters is explored. The present numerical results provide a valuable insight into the deformation mechanisms involved in the cold rolling of complex sheets with internal defects.
Relation: Proc. Instn. Mech. Engrs. Part B:Journal of Engineering Manufacture, 221(7): 1139-1145
Appears in Collections:[工業教育與技術學系] 期刊論文

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