钕铁硼强磁体的冲击去磁规律实验研究

伍俊英 陈朗 李维 冯长根

伍俊英, 陈朗, 李维, 冯长根. 钕铁硼强磁体的冲击去磁规律实验研究[J]. 高压物理学报, 2011, 25(1): 29-35 . doi: 10.11858/gywlxb.2011.01.005
引用本文: 伍俊英, 陈朗, 李维, 冯长根. 钕铁硼强磁体的冲击去磁规律实验研究[J]. 高压物理学报, 2011, 25(1): 29-35 . doi: 10.11858/gywlxb.2011.01.005
WU Jun-Ying, CHEN Lang, LI Wei, FENG Chang-Gen. Experimental Study on Shock Wave Demagnetization of Nd2Fe14B Hard Ferromagnetic[J]. Chinese Journal of High Pressure Physics, 2011, 25(1): 29-35 . doi: 10.11858/gywlxb.2011.01.005
Citation: WU Jun-Ying, CHEN Lang, LI Wei, FENG Chang-Gen. Experimental Study on Shock Wave Demagnetization of Nd2Fe14B Hard Ferromagnetic[J]. Chinese Journal of High Pressure Physics, 2011, 25(1): 29-35 . doi: 10.11858/gywlxb.2011.01.005

钕铁硼强磁体的冲击去磁规律实验研究

doi: 10.11858/gywlxb.2011.01.005
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    通讯作者:

    伍俊英

Experimental Study on Shock Wave Demagnetization of Nd2Fe14B Hard Ferromagnetic

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    Corresponding author: WU Jun-Ying
  • 摘要: 为了研究钕铁硼(Nd2Fe14B)强磁体在冲击加载作用下的去磁规律,建立了平面波爆炸冲击加载实验装置,进行了冲击去磁实验。测量了冲击去磁产生的感生电动势,获得了冲击去磁时间、脉冲宽度等性能参数。通过改变加载磁体的冲击波强度和磁体尺寸参数,分析了Nd2Fe14B磁体在不同冲击波压力作用下的去磁程度和磁体尺寸参数对感生电动势大小的影响规律。实验结果表明:Nd2Fe14B磁体发生冲击去磁的临界压力低于8.52 GPa;感生电动势随着磁体直径的增加而增加,随着磁体高度的增加而减小。

     

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出版历程
  • 收稿日期:  2010-05-31
  • 修回日期:  2010-08-22
  • 发布日期:  2011-02-15

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