Deformation Behaviour of a Cylinder under Simultaneous Compression and Torsion

X. Ma; M.R. Barnett; Y.H. Kim

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Deformation Behaviour of a Cylinder under Simultaneous Compression and Torsion

机译：圆柱体在同时受压缩和扭转作用下的变形行为

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A number of experiments involving the compression of an Aluminum cylinder with concurrent die rotation were carried out. Two important features were observed: one was that die rotation reduced the degree of bulging and the other was that the compression load decreased. An upper bound analysis with a velocity field consisting of a compound exponential cusp representation was utilized to obtain an approximate analytical solution in a closed form. The theoretical result reproduced the reduction in bulging severity with die rotation as well as the changes in compression pressure.

机译：进行了许多实验，包括在同时旋转模具的情况下压缩铝制圆柱体。观察到两个重要特征：一个是模具旋转减少了鼓起的程度，另一个是压缩负荷降低了。利用具有由复合指数尖点表示形式组成的速度场的上限分析来获得封闭形式的近似解析解。理论结果表明，随着模具旋转以及压缩压力的变化，凸起严重性的降低。

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来源
《Key Engineering Materials》 |2003年第2期|p.767-772|共6页
作者
X. Ma; M.R. Barnett; Y.H. Kim;
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作者单位

School of Engineering and Technology, Deakin University, Geelong, VIC 3217, Australia;

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原文格式 PDF
正文语种 eng
中图分类工程基础科学;
关键词
bulging; torsional compression; upper bound method;

机译：鼓起扭转压缩上限法;

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Deformation Behaviour of a Cylinder under Simultaneous Compression and Torsion

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