| 流函数法在减径拔管上限分析中的应用 |
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| 引用本文： | 郑大梁 米小珍. 流函数法在减径拔管上限分析中的应用[J]. 大连铁道学院学报, 1997, 18(1): 74-77 |
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| 作者姓名： | 郑大梁 米小珍 |
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| 作者单位： | 大连铁道学院连续挤压工程研究中心 |
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| 摘 要： | 应用流函数法建立减径拔管的动可容速度场，用上限原理得出减径拔管的上限解，分析了摩擦状态，变形程度及相对壁厚等工艺参数对拉拔载荷的影响，从而得出最佳工艺参数。
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| 关 键 词： | 减径拔管 拉拔 上限分析 薄壁铝管 流函数法 |
Application of Flow Function Method on Upper-Bound Solution during Tube Sinking |
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| Zheng Daliang Mi Xiaozhen Chen Jiguang Song Baoyun. Application of Flow Function Method on Upper-Bound Solution during Tube Sinking[J]. Journal of Dalian Railway Institute, 1997, 18(1): 74-77 |
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| Authors: | Zheng Daliang Mi Xiaozhen Chen Jiguang Song Baoyun |
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| Affiliation: | Research Center of Continuous Extrusion Engineering |
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| Abstract: | Establishes a kinematically admissible velocity field during tube sinking by applying flow function method.Obtains the upper-bound solution of tube sinking by upper-bound approach.Studies the influences of friction,the deformation and the relative wall thickness on drawing force and obtains the optimal technological parameters. |
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| Keywords: | drawing flow characteristics flow functions/upper-bound analysis |
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