Transactions of Materials and Heat Treatment

Title：Wrinkling in the Process of Stretch-flanging of Curved-surface

Authors： Harbin Institule of Technology Yang Yuying Cui LingJiang Li Shuoben

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year,vol(issue):pagenumber：1990,15(4):28-32

Abstract：

Through experimental research, it is demonstrated that the bottom wrinkling in the process of stretch-flanging of curved surface is caused by Compression stress, while wrinkling in side wall by shear stress. which is another form of wrinkling beside those of wrinkling caused by compression stress and that caused by nonuniform tensile stress.

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Reference：

(1) 须藤忠三塑性加工 Vol14． No146． P184
(2) 阿布英夫塑性加工 Vol24． No275． P1213
(3) 林央塑性加工 Vol24． No275． P1298
(4) 吉田清太塑性加工 Vol24． No272． P901
(5) 李硕本等哈尔滨工业大学冲压基本理论研究论文集 1981年p59～68

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