Article(id=1324026842482618382, tenantId=1146029695717560320, journalId=1255847867265597444, issueId=1324026793069511218, 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=1260201600000, receivedDateStr=2009-12-08, revisedDate=1273075200000, revisedDateStr=2010-05-06, acceptedDate=null, acceptedDateStr=null, onlineDate=1793602198476, onlineDateStr=2026-11-02, pubDate=1302796800000, pubDateStr=2011-04-15, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1793602198476, onlineIssueDateStr=2026-11-02, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1793602198476, creator=13701087609, updateTime=1793602198476, updator=13701087609, issue=Issue{id=1324026793069511218, tenantId=1146029695717560320, journalId=1255847867265597444, year='2011', volume='25', issue='2', pageStart='97', pageEnd='192', issueExtLink='null', onlineDate='null', pubDate='1302796800000', pubDateStr='2011-04-15', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1793602186695, creator='13701087609', updateTime=1793602791180, updator='13701087609', preIssue=null, nextIssue=null, articleTotal=null, ext={EN=IssueExt(id=1324029328769548520, tenantId=1146029695717560320, journalId=1255847867265597444, issueId=1324026793069511218, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1324029328769548521, tenantId=1146029695717560320, journalId=1255847867265597444, issueId=1324026793069511218, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null, downloadFileDto=null}, startPage=188, endPage=192, ext={EN=ArticleExt(id=1324026842654584847, articleId=1324026842482618382, tenantId=1146029695717560320, journalId=1255847867265597444, language=EN, title=Experimental Study on the Influences of Defects on Expanding Fracture of a Metal Cylinder, columnId=null, journalTitle=Chinese Journal of High Pressure Physics, columnName=null, runingTitle=null, highlight=null, articleAbstract=

By means of high-speed frame photography, clear images of the expanding fracture of two metal cylinders with and without a notch were obtained. The experimental results showed that the notch defect would significantly accelerate the fracture process of the cylinder. For the metal cylinder containing a prefabricated notch, the leakage time of detonation products (5.5 μs) is earlier than that without a notch, which can be satisfactorily explained by stress or strain concentration. Furthermore, using Mott wave theory, it is well explained that the fragments of the metal cylinder with a notch defect are smaller and more abundant than that without defect.

, authors=Shan JIN, Shi-Wen ZHANG, Jian-Hua LONG, authorsList=Shan JIN, Shi-Wen ZHANG, Jian-Hua LONG, authorCompany=null, correspAuthors=Shi-Wen ZHANG, 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=1324026843032072208, articleId=1324026842482618382, tenantId=1146029695717560320, journalId=1255847867265597444, language=CN, title=缺陷对圆管膨胀断裂影响的实验研究, columnId=0, journalTitle=高压物理学报, columnName=, runingTitle=null, highlight=null, articleAbstract=

采用高速分幅摄影技术,通过对比实验,获得了清晰的无缺陷和预制缺陷金属圆管膨胀断裂的演化图像。实验结果表明,缺陷大大加速了圆管的断裂过程;有缺陷圆管的产物开始泄漏的时间比无缺陷圆管提前5.5 μs,采用应力/应变集中法很好地解释了这种现象。另外,针对预制缺陷圆管膨胀断裂时出现的裂块较小而数量较多、无缺陷圆管膨胀断裂时裂块相对较大而数量较少的现象,采用Mott波理论进行了合理的解释。

, authors=金山, 张世文, 龙建华, authorsList=金山, 张世文, 龙建华, authorCompany=null, correspAuthors=张世文, authorNote=

金山(1981-),男,助理研究员,主要从事高速摄影技术及材料动态断裂研究. E-mail:

, correspAuthorsNote=
张世文(1971-),男,博士,副研究员,主要从事冲击动力学研究. E-mail:
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缺陷对圆管膨胀断裂影响的实验研究
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金山 , 张世文 , 龙建华
高压物理学报 | 2011,25(2): 188-192
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高压物理学报 | 2011 , 25 (2) : 188 -192
缺陷对圆管膨胀断裂影响的实验研究
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金山 , 张世文 , 龙建华
作者信息
  • 中国工程物理研究院流体物理研究所,冲击波物理与爆轰物理国防科技重点实验室,四川 绵阳 621900
通讯作者:
张世文(1971-),男,博士,副研究员,主要从事冲击动力学研究. E-mail:
作者简介:

金山(1981-),男,助理研究员,主要从事高速摄影技术及材料动态断裂研究. E-mail:

Experimental Study on the Influences of Defects on Expanding Fracture of a Metal Cylinder
Shan JIN , Shi-Wen ZHANG , Jian-Hua LONG
Affiliations
  • National Key Laboratory of Shock Wave and Detonation Physics, Institute of Fluid Physics, CAEP, Mianyang 621900, China
出版时间: 2011-04-15
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采用高速分幅摄影技术,通过对比实验,获得了清晰的无缺陷和预制缺陷金属圆管膨胀断裂的演化图像。实验结果表明,缺陷大大加速了圆管的断裂过程;有缺陷圆管的产物开始泄漏的时间比无缺陷圆管提前5.5 μs,采用应力/应变集中法很好地解释了这种现象。另外,针对预制缺陷圆管膨胀断裂时出现的裂块较小而数量较多、无缺陷圆管膨胀断裂时裂块相对较大而数量较少的现象,采用Mott波理论进行了合理的解释。

爆炸力学  /  圆管  /  缺陷  /  膨胀断裂  /  Mott波

By means of high-speed frame photography, clear images of the expanding fracture of two metal cylinders with and without a notch were obtained. The experimental results showed that the notch defect would significantly accelerate the fracture process of the cylinder. For the metal cylinder containing a prefabricated notch, the leakage time of detonation products (5.5 μs) is earlier than that without a notch, which can be satisfactorily explained by stress or strain concentration. Furthermore, using Mott wave theory, it is well explained that the fragments of the metal cylinder with a notch defect are smaller and more abundant than that without defect.

mechanics of explosion  /  cylinder  /  defect  /  expanding fracture  /  Mott wave
金山, 张世文, 龙建华. 缺陷对圆管膨胀断裂影响的实验研究. 高压物理学报, 2011 , 25 (2) : 188 -192 .
Shan JIN, Shi-Wen ZHANG, Jian-Hua LONG. Experimental Study on the Influences of Defects on Expanding Fracture of a Metal Cylinder[J]. Chinese Journal of High Pressure Physics, 2011 , 25 (2) : 188 -192 .

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2011年第25卷第2期
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  • 接收时间:2009-12-08
  • 首发时间:2026-11-02
  • 出版时间:2011-04-15
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  • 收稿日期:2009-12-08
  • 修回日期:2010-05-06
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    中国工程物理研究院流体物理研究所,冲击波物理与爆轰物理国防科技重点实验室,四川 绵阳 621900

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张世文(1971-),男,博士,副研究员,主要从事冲击动力学研究. E-mail:
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2种不同金属材料的力学参数
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鹅膏菌科Amanitaceae 2 11 5.26 鹅膏菌属 Amanita 10 4.78
小菇科 Mycenaceae 2 12 5.74 丝盖伞属 Inocybe 5 2.39
多孔菌科 Polyporaceae 8 14 6.70 蜡蘑属 Laccaria 5 2.39
红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87
小菇属 Mycena 11 5.26
光柄菇属 Pluteus 5 2.39
红菇属 Russula 17 8.13
栓菌属 Trametes 5 2.39
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