Research on superplastic forming limit of magnesium alloy sheet

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Department of Mechanical Engineering, Chongqing University of Science and Technology, Chongqing 400050, China ^{[1
]}

不详 ^{[2
]}

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Cailiao Gongcheng | 2007年 / 7卷 / 29-32期

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摘要：

The superplastic bulging test of AZ31B magnesium alloy sheet of 0.6 mm thick was carried out on Alliance RT/50 tensile machine at 573 K and 3.3 × 10-4 s-1. the superplastic forming limit dia-gram (FLD) at 573 K and 3.3 × 10-4 s-1 was established for the first time. It is found that, either in tensile-compressive deformation or in bi-axis tensile deformation, the judgment criterion for local necking of superplastic deformation is dΕ2=0.

引用

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