Comparison of Superplastic Formabiliity Predictions Using 2-D Plane Strain and 3-D Modeling |
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| Authors: | S Lee J Lee |
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| Affiliation: |
a Department of Mechanical Engineering, National Central University, Chung-li, Taiwan, R.O.C |
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| Abstract: | Computational simulations of superplastic forming by 2-D plane strain including simple analytical and finite element and 3-D finite element modeling were compared with each other. The piece being formed was a rectangular pan with a female die. The effect of die entrance radii upon pressurization rate and thickness distribution was examined. Experimental work was conducted on superplastic aluminum-lithium 8090 material for comparison with predictions from simulations. |
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