In recent years, aluminum alloy is being used to fabricate car bodies. #5000’s or 6000’s aluminum alloy series is widely employed. However, the sheet metal forming of these materials by the static method, such as the hydro bulge forming and general punching, is very difficult, because the formability characteristics are limited when compared to majority of automobile steels. Hence, the choice of explosive forming is considered for forming these aluminum alloys. Te elongation of aluminum alloy by explosive forming is compared with that obtained by punching. The amount of deformation of aluminum alloy by the explosive forming is found to be larger. In addition, a theoretical elucidation is also done. FDM scheme was employed to solve the numerical simulation. In this simulation the detonation process of the explosive, propagation process and deformation process of aluminum alloy were conducted.
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ASME/JSME 2004 Pressure Vessels and Piping Conference
July 25–29, 2004
San Diego, California, USA
Conference Sponsors:
- Pressure Vessels and Piping Division
ISBN:
0-7918-4680-6
PROCEEDINGS PAPER
Numerical Simulation of Sheet Metal Forming Using Underwater Shock Wave
Hirofumi Iyama,
Hirofumi Iyama
Yatsushiro National College of Technology, Yatsushiro, Kumamoto, Japan
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Takeshi Hinata,
Takeshi Hinata
Kumamoto University, Kurokami, Kumamoto, Japan
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Shigeru Itoh
Shigeru Itoh
Kumamoto University, Kurokami, Kumamoto, Japan
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Hirofumi Iyama
Yatsushiro National College of Technology, Yatsushiro, Kumamoto, Japan
Takeshi Hinata
Kumamoto University, Kurokami, Kumamoto, Japan
Shigeru Itoh
Kumamoto University, Kurokami, Kumamoto, Japan
Paper No:
PVP2004-2872, pp. 197-202; 6 pages
Published Online:
August 12, 2008
Citation
Iyama, H, Hinata, T, & Itoh, S. "Numerical Simulation of Sheet Metal Forming Using Underwater Shock Wave." Proceedings of the ASME/JSME 2004 Pressure Vessels and Piping Conference. Emerging Technology in Fluids, Structures, and Fluid Structure Interactions: Volume 1, Fluid Dynamics and Fluid Structure Interactions. San Diego, California, USA. July 25–29, 2004. pp. 197-202. ASME. https://doi.org/10.1115/PVP2004-2872
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