| Mechanical analysis of superplastic bulge in a cylindrical die |
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| 引用本文： | SONG Yuquan,LIU Shumei,GUAN Zhiping. Mechanical analysis of superplastic bulge in a cylindrical die[J]. 自然科学进展(英文版), 2005, 15(1): 74-80. DOI: 10.1080/10020070512331341800 |
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| 作者姓名： | SONG Yuquan LIU Shumei GUAN Zhiping |
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| 作者单位： | Superplastic and Plastic Research Institute of Jilin University, Changchun 130025, China,Superplastic and Plastic Research Institute of Jilin University, Changchun 130025, China,Superplastic and Plastic Research Institute of Jilin University, Changchun 130025, China |
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| 摘 要： | Previous mechanical analytical theories of superplastic bulge into a shaped die are all based on uniform thinning assumption, but in fact, the thinning process is obviously non-uniform. In this paper, the non-uniform thinning mechanical analytical equations of superplastic bulge in a cylindrical die based on superplastic bulge constitutive equation with variable m are established and verified by experiments performed on typical superplastic material ZnAl4Cu alloy sheet. Experimental results show that the non-uniform thinning mechanical analytical model can reflect the deformation process of bulging in a cylindrical die.
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| 关 键 词： | cylindrical die non-uniform thinning bulge into a shaped die mechanical analysis |
Mechanical analysis of superplastic bulge in a cylindrical die |
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| SONG Yuquan,LIU Shumei,GUAN Zhiping. Mechanical analysis of superplastic bulge in a cylindrical die[J]. Progress in Natural Science, 2005, 15(1): 74-80. DOI: 10.1080/10020070512331341800 |
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| Authors: | SONG Yuquan LIU Shumei GUAN Zhiping |
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| Affiliation: | Superplastic and Plastic Research Institute of Jilin University, Changchun 130025, China |
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| Abstract: | Previous mechanical analytical theories of superplastic bulge into a shaped die are all based on uniform thinning assumption, but in fact, the thinning process is obviously non-uniform. In this paper, the non-uniform thinning mechanical analytical equations of superplastic bulge in a cylindrical die based on superplastic bulge constitutive equation with variable m are established and verified by experiments performed on typical superplastic material ZnAl4Cu alloy sheet. Experimental results show that the non-uniform thinning mechanical analytical model can reflect the deformation process of bulging in a cylindrical die. |
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| Keywords: | cylindrical die non-uniform thinning bulge into a shaped die mechanical analysis |
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