| 管材无模镦粗壁厚变化理论研究 |
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| 引用本文： | 王忠堂,栾瑰馥,白光润.管材无模镦粗壁厚变化理论研究[J].沈阳理工大学学报,1999,18(4):21-25. |
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| 作者姓名： | 王忠堂 栾瑰馥 白光润 |
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| 作者单位： | 1. 沈阳工业学院材料科学与工程系,沈阳110015
2. 东北大学 |
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| 基金项目： | 中国科学院资助项目，59675060， |
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| 摘 要： | 对管材无模镦粗变形速度场及壁厚变化规律进行了理论研究．分析了管材无模镦粗的变形模型、速度场以及壁厚变化的影响因素及影响规律，采用上限法确定了管材无楼镦粗速度场及壁厚变化物理模型，为管材无模镦粗工艺工业化应用奠定基础．
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| 关 键 词： | 无模镦粗 速度场 壁厚变化 |
| 修稿时间： | :1999-05-1 |
Study on Velocity Field and Variation of Wall Thickness During Tube Dieless Upsetting |
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| Wang Zhongtang,Luan Guifu,Bai Guangrun.Study on Velocity Field and Variation of Wall Thickness During Tube Dieless Upsetting[J].Transactions of Shenyang Ligong University,1999,18(4):21-25. |
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| Authors: | Wang Zhongtang Luan Guifu Bai Guangrun |
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| Abstract: | In this paper, velocity field and variation of wall thickness are studiedtheoretically during tube dieless upsetting. It has been put forward that the variation of wallthickness is in directly proportional to outer-diameter, inter-diameter, and Rs. (Rs issectional increase ratio of tube). It has been found that the theoretical calculating results ofwall thickness during tube dieless upsetting are very approximate to that of experiment. |
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| Keywords: | dieless upsetting velocity field variation of wall thickness |
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