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TECHNICAL PAPERS

Finite Element Modeling of Superplastic Sheet Metal Forming for Cavity Sensitive Materials

[+] Author and Article Information
K. M. Liew, H. Tan

Nanyang Centre for Supercomputing and Visualisation, Nanyang Technological University, 50 Nanyang Avenue, Singapore 639798

M. J. Tan

School of Mechanical and Production Engineering, Nanyang Technological University, 50 Nanyang Avenue, Singapore 639798

J. Eng. Mater. Technol 125(3), 256-259 (Jul 10, 2003) (4 pages) doi:10.1115/1.1584491 History: Received December 05, 2001; Revised December 02, 2002; Online July 10, 2003
Copyright © 2003 by ASME
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References

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Figures

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Thickness strain distribution for Zn-Al alloy obtained by experimental testing 20 and numerical analysis
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Calculated limit thickness strain versus cavity grain rate β with various m values
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The effect of the strain rate on the grain size for LY12CZ alloy
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The cavity growth of LY12CZ alloy for an uniaxial tensile test
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Comparison of fracture elongation for FEM calculations, theoretical predictions by Eq. (16) and experiments
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The effect of imposed hydrostatic pressure on cavity growth during superplastic free bulging process of Zn-Al alloy

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