Article(id=1324026894483587150, tenantId=1146029695717560320, journalId=1255847867265597444, issueId=1324026845640925520, articleNumber=null, orderNo=null, doi=null, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1275235200000, receivedDateStr=2010-05-31, revisedDate=1282406400000, revisedDateStr=2010-08-22, acceptedDate=null, acceptedDateStr=null, onlineDate=1793602210875, onlineDateStr=2026-11-02, pubDate=1297699200000, pubDateStr=2011-02-15, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1793602210875, onlineIssueDateStr=2026-11-02, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1793602210875, creator=13701087609, updateTime=1793602210875, updator=13701087609, issue=Issue{id=1324026845640925520, tenantId=1146029695717560320, journalId=1255847867265597444, year='2011', volume='25', issue='1', pageStart='1', pageEnd='96', issueExtLink='null', onlineDate='null', pubDate='1297699200000', pubDateStr='2011-02-15', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1793602199230, creator='13701087609', updateTime=1793602773079, updator='13701087609', preIssue=null, nextIssue=null, articleTotal=null, ext={EN=IssueExt(id=1324029252970086623, tenantId=1146029695717560320, journalId=1255847867265597444, issueId=1324026845640925520, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1324029252970086624, tenantId=1146029695717560320, journalId=1255847867265597444, issueId=1324026845640925520, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null, downloadFileDto=null}, startPage=29, endPage=35, ext={EN=ArticleExt(id=1324026894814937167, articleId=1324026894483587150, tenantId=1146029695717560320, journalId=1255847867265597444, language=EN, title=Experimental Study on Shock Wave Demagnetization of Nd2Fe14B Hard Ferromagnetic, columnId=null, journalTitle=Chinese Journal of High Pressure Physics, columnName=null, runingTitle=null, highlight=null, articleAbstract=

For the study of the demagnetization performance of Nd2Fe14B ferromagnetic under shock wave loading, the plane shock wave loading experiment device was established, and the shock demagnetization experiments were conducted. The electromotive forces were measured, and the shock demagnetization time and pulse width were obtained. The demagnetization rates with different shock wave pressures were discussed, and the effects of magnet sizes on the electromotive force were analyzed. The results show that the time is about 0.28 μs between the shock wave loading Nd2Fe14B ferromagnetic and shock demagnetization occurring. The critical pressure of demagnetization is lower than 8.52 GPa. The electromotive force increases with the increase of the magnet diameter and the decrease of the magnet height.

, authors=Jun-Ying WU1, Lang CHEN1, Wei LI2, Chang-Gen FENG1, authorsList=Jun-Ying WU, Lang CHEN, Wei LI, Chang-Gen FENG, authorCompany=null, correspAuthors=null, authorNote=null, correspAuthorsNote=null, copyrightStatement=null, copyrightOwner=null, extLink=null, articleAbsUrl=null, sourceXml=null, magXml=null, pdfUrl=null, pdf=null, pdfFileSize=null, pdfExtLink=null, richHtmlUrl=null, mobilePdfUrl=null, reviewReport=null, pdfFirstPage=null, abstractGraph=null, abstractGraphContent=null, abstractVideo=null, citation=null, cebUrl=null, magXmlContent=null, mapNumber=null, fund=null), CN=ArticleExt(id=1324026895091761232, articleId=1324026894483587150, tenantId=1146029695717560320, journalId=1255847867265597444, language=CN, title=钕铁硼强磁体的冲击去磁规律实验研究, columnId=0, journalTitle=高压物理学报, columnName=, runingTitle=null, highlight=null, articleAbstract=

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。

, authors=伍俊英1, 陈朗1, 李维2, 冯长根1, authorsList=伍俊英, 陈朗, 李维, 冯长根, authorCompany=null, correspAuthors=null, authorNote=

伍俊英(1977—),女,博士,讲师,主要从事爆轰、爆炸与冲击等方面的研究. E-mail:

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伍俊英(1977—),女,博士,讲师,主要从事爆轰、爆炸与冲击等方面的研究. E-mail:

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钕铁硼强磁体的冲击去磁规律实验研究
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伍俊英 1 , 陈朗 1 , 李维 2 , 冯长根 1
高压物理学报 | 2011,25(1): 29-35
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高压物理学报 | 2011 , 25 (1) : 29 -35
钕铁硼强磁体的冲击去磁规律实验研究
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伍俊英1 , 陈朗1, 李维2, 冯长根1
作者信息
  • 1.北京理工大学爆炸科学与技术国家重点实验室,北京 100081
  • 2.海军装备部驻重庆地区军事代表局,重庆 400042
作者简介:

伍俊英(1977—),女,博士,讲师,主要从事爆轰、爆炸与冲击等方面的研究. E-mail:

Experimental Study on Shock Wave Demagnetization of Nd2Fe14B Hard Ferromagnetic
Jun-Ying WU1 , Lang CHEN1, Wei LI2, Chang-Gen FENG1
Affiliations
  • 1.State Key Laboratory of Explosion Science and Technology, Beijing Institute of Technology, Beijing 100081, China
  • 2.Military Representative Office of Naval Equipment Department in Chongqing, Chongqing 400042, China
出版时间: 2011-02-15
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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。

Nd2Fe14B磁体  /  冲击去磁  /  爆炸去磁脉冲功率源  /  炸药

For the study of the demagnetization performance of Nd2Fe14B ferromagnetic under shock wave loading, the plane shock wave loading experiment device was established, and the shock demagnetization experiments were conducted. The electromotive forces were measured, and the shock demagnetization time and pulse width were obtained. The demagnetization rates with different shock wave pressures were discussed, and the effects of magnet sizes on the electromotive force were analyzed. The results show that the time is about 0.28 μs between the shock wave loading Nd2Fe14B ferromagnetic and shock demagnetization occurring. The critical pressure of demagnetization is lower than 8.52 GPa. The electromotive force increases with the increase of the magnet diameter and the decrease of the magnet height.

Nd2Fe14B  /  shock wave demagnetization  /  explosive-driven shock demagnetization generator  /  explosives
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. 高压物理学报, 2011 , 25 (1) : 29 -35 .
Jun-Ying WU, Lang CHEN, Wei LI, Chang-Gen FENG. Experimental Study on Shock Wave Demagnetization of Nd2Fe14B Hard Ferromagnetic[J]. Chinese Journal of High Pressure Physics, 2011 , 25 (1) : 29 -35 .
  • 国家自然科学基金面上项目(11072036)
  • 北京理工大学基础研究基金(20080242001)
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2011年第25卷第1期
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  • 接收时间:2010-05-31
  • 首发时间:2026-11-02
  • 出版时间:2011-02-15
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  • 收稿日期:2010-05-31
  • 修回日期:2010-08-22
基金
国家自然科学基金面上项目(11072036)
北京理工大学基础研究基金(20080242001)
作者信息
    1.北京理工大学爆炸科学与技术国家重点实验室,北京 100081
    2.海军装备部驻重庆地区军事代表局,重庆 400042
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