| 铁磁合金中的局部内应力问题 |
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| 引用本文： | 王卫国,莫德秀,赵婷婷,张勇.铁磁合金中的局部内应力问题[J].山东理工大学学报,2002,16(1):23-28. |
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| 作者姓名： | 王卫国 莫德秀 赵婷婷 张勇 |
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| 作者单位： | 山东理工大学 山东淄博255091
(王卫国，莫德秀，赵婷婷)，山东理工大学 山东淄博255091(张勇) |
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| 摘 要： | 通过对 Smith和 Birchak1,2 ] 理论 ( SB理论 )的剖析 ,归纳总结了该理论中关于局部内应力的量值大小特性、不连续特性和状态分布特性 .比较了各种晶体缺陷对铁磁合金磁畴壁不可逆移动的影响 .提出了溶质原子局部内应力源模型 ,该模型可以很好地解释铁磁合金的阻尼性能 (内耗 )随退火温度升高而增大的实验规律
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| 关 键 词： | SB理论 阻尼性能 内耗 局部内应力 |
| 文章编号： | 1007-1857(2002)01-0023-06 |
| 修稿时间： | 2001年8月1日 |
Local Internal Stress in Ferromagnetic Alloys |
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| WANG Wei guo,MO De xiu,ZHAO Ting ting,ZHANG Yong.Local Internal Stress in Ferromagnetic Alloys[J].Journal of Shandong University of Technology:Science and Technology,2002,16(1):23-28. |
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| Authors: | WANG Wei guo MO De xiu ZHAO Ting ting ZHANG Yong |
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| Abstract: | The local internal stress model involved in SB(Smith and Birchak)theory is thoroughly analyzed and the local internal stress is characterized by amplitude,fractal and state distribution. The influences of various crystal defects on the irreversible movements of magnetic domain walls in ferromagnetic alloys are summarized. The solute atom model for local internal stress source is proposed, and the experimental results of which the damping capacity(internal friction)of ferromagnetic alloys is increasing with annealing temperature rising can be explained quite well with this model. |
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| Keywords: | SB theroy damping capacity internal friction local internal stress |
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