Comparative study of finite element analysis in tube hydroforming of stainless steel 304

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• 作者：P. Thanakijkasem (1)
  A. Pattarangkun (2)
  S. Mahabunphachai (3)
  V. Uthaisangsuk (2)
  S. Chutima (2)
  
  1. Division of Materials Technology ; School of Energy ; Environment and Materials ; King Mongkut鈥檚 University of Technology Thonburi ; Bangkok ; 10140 ; Thailand
  2. Department of Mechanical Engineering ; Faculty of Engineering ; King Mongkut鈥檚 University of Technology Thonburi ; Bangkok ; 10140 ; Thailand
  3. National Metal and Materials Technology Center (MTEC) ; Pathumthani ; 12120 ; Thailand
  
• 关键词：Tube hydroforming ; Finite element analysis ; Stainless steel SS304 ; Formability
• 刊名：International Journal of Automotive Technology
• 出版年：2015
• 出版时间：August 2015
• 年：2015
• 卷：16
• 期：4
• 页码：611-617
• 全文大小：885 KB
• 参考文献：1. Alaswad, A., Benyounis, K. Y., Olabi, A. G. (2012) Tube hydroforming process: A reference guide. Materials and Design 33: pp. 328-339 CrossRef
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  8. Pattarangkun, A., Thanakijkasem, P., Mahabunphachai, S., Uthaisangsuk, V., Chutima, S. (2013) Comparative study of finite element analysis in SS304 tube hydroforming. Proc. 6th Int. Conf. Tube Hydroforming. pp. 235-242
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• 刊物类别：Engineering
• 刊物主题：Automotive and Aerospace Engineering and Traffic
  
• 出版者：The Korean Society of Automotive Engineers
• ISSN：1976-3832

文摘

This research conducts a comparative study of finite element analysis (FEA) in tube hydroforming (THF). The investigated tube is stainless steel grade 304 (SS304) of as received and after annealing (AN). Three different finite element modeling techniques have been examined and compared with corresponding experimental results. The main modeling parameters of interest range from element technologies, symmetry modeling, and solving schemes. Other parameters being sensitive to each model are discussed. Formability issues have been investigated through FEA and forming limit diagram (FLD). Computational aspects have been illustrated and discussed for simulating THF and an intermediate AN. Prediction of the required forming pressure is challenging. Both shell and continuum elements have different advantages and drawbacks in simulating THF. A shell element with explicit time integration tends to underpredict the required forming pressure while both axisymmetric and 3D continuum elements with implicit time integration tend to overpredict the required forming pressure. The draw-in observation can also provide an insight of the state of deformation.