| 用光塑法实验研究圆柱体镦粗拉应力理论 |
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| 引用本文： | 李仕华,刘助柏,李纬民.用光塑法实验研究圆柱体镦粗拉应力理论[J].力学与实践,2000,22(5):34-37. |
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| 作者姓名： | 李仕华 刘助柏 李纬民 |
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| 作者单位： | 燕山大学, 秦皇岛 066004 |
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| 基金项目： | 国家自然科学基金资助重点项目课题(59235101). |
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| 摘 要： | 采用光塑法对圆柱体的平板间镦粗进行了定量研究；首次运用光塑理论与增量理论定量计算了变形体内的应力；模拟结果与定性物理模拟相吻合，使圆柱体镦粗的刚塑性力学模型拉应力理论得到了深化。
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| 关 键 词： | 光塑法 定量物理模拟 镦粗 应力场 圆柱体 拉应力 |
| 修稿时间： | 1999年9月15日 |
ON THE TENSILE STRESS THEORY FOR UPSETTINGCIRCULAR CYLINDER BY OPTICAL PLASTICS METHOD |
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| LI SHihua,LIU Zhubai,LI Weimin.ON THE TENSILE STRESS THEORY FOR UPSETTINGCIRCULAR CYLINDER BY OPTICAL PLASTICS METHOD[J].Mechanics and Engineering,2000,22(5):34-37. |
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| Authors: | LI SHihua LIU Zhubai LI Weimin |
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| Abstract: | Upsetting of a circular' cylinder between plates is studied by optical plasticity method. The photoplasticity and incremental theory are used to calculate the stress of upsetting circular cylinder. The results agree well with the qualitative physical simulation. The tensile stress theory of a rigidplastic mechanical model on upsetting circular cylinder is improved. |
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| Keywords: | upsetting stress field quantitative physicalsimulation optical plasticity |
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