| 方钢纵向磁化时各棱上的磁荷线密度 |
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| 引用本文： | 仲维畅.方钢纵向磁化时各棱上的磁荷线密度[J].无损检测,2002,24(8):332-335. |
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| 作者姓名： | 仲维畅 |
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| 作者单位： | 南京燃气轮机研究所,南京,210037 |
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| 基金项目： | 国家自然科学基金资助项目 (5 95 710 64 ) |
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| 摘 要： | 根据方钢纵向磁化原理（磁荷将均布于各条棱线上）和磁介质的磁化规律给出了方钢和带有矩形沟槽的方钢纵向磁化后各条棱线上的磁荷线密度近似解析表达式，并得出结论，工件表面沟槽深度与其引起漏磁场间的“直线律”关系仅是近似的。
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| 关 键 词： | 漏磁 方钢 纵向磁化 磁荷线密度 |
| 文章编号： | 1000-6656(2002)08-0332-04 |
| 修稿时间： | 2001年6月1日 |
THE LINEAR MAGNETIC CHARGE DENSITY ALONG THE EDGES OF A LONGITUDINALLY-MAGNETIZED STEEL CUBOID |
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| ZHONG Wei,chang.THE LINEAR MAGNETIC CHARGE DENSITY ALONG THE EDGES OF A LONGITUDINALLY-MAGNETIZED STEEL CUBOID[J].Nondestructive Testing,2002,24(8):332-335. |
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| Authors: | ZHONG Wei chang |
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| Abstract: | According to the magnetizing principle of a steel cuboid (the magnetic charges distribute uniformly along all edges) and the magnetizing law of magnetic medium, the approximate analytical expressions for the linear magnetic charge density along all edges of both the steel cuboid and the cuboid with a rectangular slot magnetized longitudinally were given. It was concluded that the linear law between slot depth and the magnetic leakage field caused by the slot was approximate. |
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| Keywords: | Steel cuboid Longitudinal magnetization Leakage magnetization |
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