| 球底圆锥形件拉深成形极限研究 |
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| 引用本文： | 贺平,万良辉,王巍. 球底圆锥形件拉深成形极限研究[J]. 锻压技术, 2006, 31(2): 22-25 |
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| 作者姓名： | 贺平 万良辉 王巍 |
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| 作者单位： | 沈阳航空工业学院,航空宇航工程学院,辽宁,沈阳,110034 |
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| 摘 要： | 根据应力强度理论,考虑材料的厚向异性及应变刚效应,利用球底拉胀成形时其顶点的应变强度,推导出该类零件产生拉伸性失稳时的临界应变分界圆,由此得出破裂极限--极限拉深比[k],并针对推导结果,进行了实验验证.
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| 关 键 词： | 球底圆锥形件 破裂极限 应力强度 应变强度 |
| 文章编号： | 1000-3940（2006）02-0022-04 |
| 收稿时间： | 2005-05-10 |
| 修稿时间： | 2005-05-10 |
Forming limit of spherical-bottomed conical bodies |
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| HE Ping,WAN Liang-hui,WANG Wei. Forming limit of spherical-bottomed conical bodies[J]. Forging & Stamping Technology, 2006, 31(2): 22-25 |
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| Authors: | HE Ping WAN Liang-hui WANG Wei |
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| Affiliation: | Aeronautical and Astronautically College, Shenyang Institute of Aeronautical Engineering, Shenyang Liaoning 110034, China |
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| Abstract: | In this article, according to the theory of equivalent strain, the forming limit of spherical-bottomed conical bodies has been analyzed. |
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| Keywords: | spherical-bottomed conical bodies fracture limit equivalent stress equivalent strain |
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