| 含小孔铁磁平板单向拉伸的漏磁场和应力分布 |
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| 引用本文： | 任尚坤,杨雅玲,任吉林,宋凯.含小孔铁磁平板单向拉伸的漏磁场和应力分布[J].钢铁研究学报,2008,20(8):55-0. |
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| 作者姓名： | 任尚坤 杨雅玲 任吉林 宋凯 |
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| 作者单位： | 南昌航空大学自动化学院,江西,南昌,330063 |
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| 摘 要： | 研究了含小孔铁磁平板单向拉伸时应力集中状况与漏磁场分布的关系。测量了在不同拉应力作用条件下漏磁场分布的规律。对漏磁场的分布关系、漏磁场坐标变化率的分布规律，与理论上应力、应力坐标变化率的分布关系进行了比较和分析，发现存在很有应用价值和理论价值的内在规律，可为铁磁试件应力集中程度的磁性方法检测提供借鉴作用。
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| 关 键 词： | 无损检测 应力磁效应 应力集中 |
| 收稿时间： | 1900-01-01; |
Distribution of Leakage Magnetic Field and Stress for Ferromagnetic Plate With Pore in Center Under Uniaxial Tensile Load |
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| REN Shang-kun,YANG Ya-ling,REN Ji-lin,SONG Kai.Distribution of Leakage Magnetic Field and Stress for Ferromagnetic Plate With Pore in Center Under Uniaxial Tensile Load[J].Journal of Iron and Steel Research,2008,20(8):55-0. |
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| Authors: | REN Shang-kun YANG Ya-ling REN Ji-lin SONG Kai |
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| Affiliation: | Automation School, Nanchang Hangkong University, Nanchang 330063, Jiangxi, China |
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| Abstract: | Relationships of leakage magnetic induction distribution and stress concentration for ferromagnetic plate with pore in center were studied. The distributions of leakage magnetic induction were measured under different stresses. The distributions of leakage magnetic field and its differential for displacement were compared with the results of theory and the related relationships were analyzed. The results can offer reference for magnetic testing of stress distribution for ferromagnetic items. |
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| Keywords: | non��destructive testing stress��magnetic effect stress concentration |
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