| 基于巴克豪森噪声技术的电磁应力理论分析 |
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| 引用本文： | 刘辉,祁欣.基于巴克豪森噪声技术的电磁应力理论分析[J].北京化工大学学报(自然科学版),2012,39(5):118-121. |
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| 作者姓名： | 刘辉 祁欣 |
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| 作者单位： | 北京化工大学理学院,北京,100029;北京化工大学理学院,北京,100029 |
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| 摘 要： | 本文采用电动力学及弹性力学等相关理论，分析了铁磁材料在弹性力和电磁场双重作用下的磁弹理论问题，提出了电磁与应力应变的关系式。并利用巴克豪森噪声技术对现役钢轨的测量数据对比，证明了磁与应力应变的正比线性关系，验证了所得公式的准确性。
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| 关 键 词： | 铁磁材料 电磁应力 关系式 巴克豪森噪声 |
| 收稿时间： | 2012-03-07 |
Magnetic field and stress theory analysis based on Magnetic Barkhausen Noise technology |
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| LIU Hui
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QI Xin.Magnetic field and stress theory analysis based on Magnetic Barkhausen Noise technology[J].Journal of Beijing University of Chemical Technology,2012,39(5):118-121. |
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| Authors: | LIU Hui QI Xin |
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| Institution: | School of Science, Beijing University of Chemical Technology, Beijing 100029, China |
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| Abstract: | The theories of electrodynamics and elasticity have been used to analysis the magneto elastic theory of ferromagnetic materials under the action of stress and magnetic field and give formulae for stress, strain and magnetic field. We compared the formulae to the data obtained by testing a rail using Magnetic Barkhausen Noise technology which demonstrated the proportional linear relationship between stress, strain and magnetic field and verified the accuracy of the formulae. The results will be of value in the testing and modeling of the behavior of ferromagnetic materials. |
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