Numerical Determination of Sheet Metal Forming Limit Based on a New Combined Model of M-K Theory and Shear Localization Criterion

摘要：

　　A combined forming limit model of M-K theory and shear localization criterion is proposed in this paper to study the formability of 6016-T4 Aluminum alloy sheet,with the sheet material modeled by the Yld2000-2d yield function and two isotropic hardening models.The forming limit curve (FLC) of the material can be predicted well using the M-K model in the right region,and using the shear localization criterion in the left region.The critical plane strain of the material was computed using the M-K model and then used to determine the shear localization criterion.In fact,the combined model takes advantage of both of these theories.As a consequence,the results obtained from the proposed combined necking model seem to agree satisfactorily with those of the experiments.

关键词： Forming Limit Diagram Sheet metal forming 6016-T4 Aluminum alloy

作者: LC Chan

作者单位: Department of Industrial and Systems Engineering, The Hong Kong Polytechnic University, Hung Horn, Hong Kong SAR, China

会议类型: 国际会议

会议名称: 2nd International Conference on Materials Engineering and Automatic Control (第二届材料工程与自动化控制国际会议)(ICMEAC2013)

会议地点: 济南

会议语种:英文

页码: 821-825

在线出版日期: 2013-05-18（万方平台首次上网日期，不代表论文的发表时间）