| 基于轴对称屈曲失稳的缩口力与临界缩口尺寸 |
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| 引用本文： | 胡成武,邹安全,姚齐水.基于轴对称屈曲失稳的缩口力与临界缩口尺寸[J].锻压技术,2003,28(3):14-17. |
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| 作者姓名： | 胡成武 邹安全 姚齐水 |
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| 作者单位： | 株洲工学院,412008 |
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| 基金项目： | 湖南省重点学科建设项目资助 |
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| 摘 要： | 采用主应力法和能量法对缩口成形工艺中的两个主要技术参数——缩口力和缩口尺寸进行分析，导出了以轴对称屈曲失稳作为破坏形式的临界缩口尺寸和缩口力的工程计算公式，所得结果对缩口工艺的拟定具有重要的参考价值。
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| 关 键 词： | 金属收颈罐 屈曲失稳 缩口力 临界缩口尺寸 缩口成形 主应力法 能量法 |
Necking force and critical necking dimention based on the inflectional instability of axial symmetry |
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| Zhuzhou Institute of Technology,Hu Chengwu,Zou Anquan,Yao Qishui.Necking force and critical necking dimention based on the inflectional instability of axial symmetry[J].Forging & Stamping Technology,2003,28(3):14-17. |
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| Authors: | Zhuzhou Institute of Technology Hu Chengwu Zou Anquan Yao Qishui |
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| Affiliation: | Zhuzhou Institute of Technology Hu Chengwu Zou Anquan Yao Qishui |
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| Abstract: | Two major technical parameters in the shaping process of necking, which are the necking force and dimension, are analyzed by using the major stress and energy methods. The engineering formula of the two parameters is derivated on the failure conditions of the inflectional instability of axial symmetry. The results are very valuable to determine the process of contracting mouth. |
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| Keywords: | Inflectional instability Necking force Critical necking dimension |
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