A novel formability test method for electro-magnetic forming of aluminium sheet

R. S. Lee, T. C. Cheng, F. W. Luo, C. J. Huang

研究成果: Conference contribution

3 引文 斯高帕斯(Scopus)

摘要

This study develops an EMF formability testing process, for investigating the forming limit of aluminium sheet, at high strain rates up to 5000 s -1 Changes in the hole size and the distance between these two holes, In a sheet blank, can generate different strain paths, at high strain rates. By plotting the different simulated strain paths and limit strains, measured using the proposed formability test method, the forming limit diagram, at high strain rates, was obtained. This Is useful in the prediction and prevention of fracture. The EMF experiment involved propelling an aluminium alloy AI5052-H32 sheet of 0.5 mm thickness at a punch, using a flat spiral electromagnetic coil. The finite- element software, LS-DYNA, was used for simulating the formablllty test process, for various strain paths. The experimental results of limit strains agreed well with the simulated results.

原文English
主出版物標題Special Edition
主出版物子標題10th International Conference on Technology of Plasticity, ICTP 2011
頁面1042-1047
頁數6
出版狀態Published - 2011
事件10th International Conference on Technology of Plasticity, ICTP 2011 - Aachen, Germany
持續時間: 2011 九月 252011 九月 30

出版系列

名字Special Edition: 10th International Conference on Technology of Plasticity, ICTP 2011

Other

Other10th International Conference on Technology of Plasticity, ICTP 2011
國家Germany
城市Aachen
期間11-09-2511-09-30

All Science Journal Classification (ASJC) codes

  • Polymers and Plastics

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