Article(id=1325114903077462539, tenantId=1146029695717560320, journalId=1255847867265597444, issueId=1325114700899426483, 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=1282579200000, receivedDateStr=2010-08-24, revisedDate=1287504000000, revisedDateStr=2010-10-20, acceptedDate=null, acceptedDateStr=null, onlineDate=1793861612337, onlineDateStr=2026-11-05, pubDate=1334419200000, pubDateStr=2012-04-15, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1793861612337, onlineIssueDateStr=2026-11-05, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1793861612337, creator=13701087609, updateTime=1793861612337, updator=13701087609, issue=Issue{id=1325114700899426483, tenantId=1146029695717560320, journalId=1255847867265597444, year='2012', volume='26', issue='2', pageStart='121', pageEnd='240', issueExtLink='null', onlineDate='null', pubDate='1334419200000', pubDateStr='2012-04-15', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1793861564134, creator='13701087609', updateTime=1793861564134, updator='13701087609', preIssue=null, nextIssue=null, articleTotal=null, ext=null, issueFiles=null, downloadFileDto=null}, startPage=148, endPage=154, ext={EN=ArticleExt(id=1325114907217240589, articleId=1325114903077462539, tenantId=1146029695717560320, journalId=1255847867265597444, language=EN, title=Dynamic Brazilian Test and Simulation of Plastic-Bonded Explosives, columnId=null, journalTitle=Chinese Journal of High Pressure Physics, columnName=null, runingTitle=null, highlight=null, articleAbstract=

Dynamic Brazilian test of plastic-bonded explosives was investigated by split Hopkinson pressure bar (SHPB). The tensile strengths of three PBXs were acquired under different strain rates. The evolution of crack on sample surface was captured using high-speed camera. The strain field was calculated by digital speckle correlation method before samples occured to crack. The simulation on dynamic Brazilian test was performed using discrete element method, and the simulation model considering meso-structure was acquired. The simulation results show the produce and evolution process of damage and crack, and the simulation results are in accordance with the experimental results.

, authors=Hua FU, Jun-Ling LI, Duo-Wang TAN, authorsList=Hua FU, Jun-Ling LI, Duo-Wang TAN, 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=1325114910996308495, articleId=1325114903077462539, tenantId=1146029695717560320, journalId=1255847867265597444, language=CN, title=PBX炸药动态Brazilian试验及数值模拟研究, columnId=0, journalTitle=高压物理学报, columnName=, runingTitle=null, highlight=null, articleAbstract=

开展了PBX炸药的动态Brazilian试验,获得了不同加载应变率条件下的拉伸强度;通过高速摄影,获得了PBX炸药试样表面裂纹的产生发展过程;采用数字散斑相关方法,获得了试样出现裂纹前的应变场分布。利用离散元方法,开展了考虑PBX炸药细观结构的动态Brazilian数值模拟,获得了损伤演化发展、并形成裂纹的全过程,模拟结果能初步再现PBX炸药的损伤破坏过程。

, authors=傅华, 李俊玲, 谭多望, authorsList=傅华, 李俊玲, 谭多望, authorCompany=null, correspAuthors=null, authorNote=

傅华(1979—),男,硕士,助理研究员,主要从事炸药爆轰物理及其动力学研究. E-mail:

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傅华(1979—),男,硕士,助理研究员,主要从事炸药爆轰物理及其动力学研究. E-mail:

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(in Chinese), articleTitle=null, refAbstract=null), Reference(id=1325114952087904855, tenantId=1146029695717560320, journalId=1255847867265597444, articleId=1325114903077462539, doi=null, pmid=null, pmcid=null, year=null, volume=null, issue=null, pageStart=null, pageEnd=null, url=null, language=null, rfNumber=[10], rfOrder=11, authorNames=null, journalName=null, refType=null, unstructuredReference=傅华, 刘仓理, 王文强, 等. 细观尺度下塑料粘结炸药热点生成的初步模拟[J]. 爆炸与冲击, 2008, 28(6): 515-520., articleTitle=null, refAbstract=null)], funds=[Fund(id=1325114933695881784, tenantId=1146029695717560320, journalId=1255847867265597444, articleId=1325114903077462539, awardId=10772167; 10902100, language=CN, fundingSource=国家自然科学基金(10772167; 10902100), fundOrder=null, country=null), Fund(id=1325114934874481210, tenantId=1146029695717560320, journalId=1255847867265597444, articleId=1325114903077462539, awardId=2009A0201008, language=CN, fundingSource=中国工程物理研究院科学技术重大基金(2009A0201008), fundOrder=null, country=null), 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PBX炸药动态Brazilian试验及数值模拟研究
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傅华 , 李俊玲 , 谭多望
高压物理学报 | 2012,26(2): 148-154
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高压物理学报 | 2012 , 26 (2) : 148 -154
PBX炸药动态Brazilian试验及数值模拟研究
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傅华 , 李俊玲, 谭多望
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实验室,四川 绵阳 621900
作者简介:

傅华(1979—),男,硕士,助理研究员,主要从事炸药爆轰物理及其动力学研究. E-mail:

Dynamic Brazilian Test and Simulation of Plastic-Bonded Explosives
Hua FU , Jun-Ling LI, Duo-Wang TAN
Affiliations
  • National Key Laboratory of Shock Wave and Detonation Physics, Institute of Fluid Physics, CAEP, Mianyang 621900, China
出版时间: 2012-04-15
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开展了PBX炸药的动态Brazilian试验,获得了不同加载应变率条件下的拉伸强度;通过高速摄影,获得了PBX炸药试样表面裂纹的产生发展过程;采用数字散斑相关方法,获得了试样出现裂纹前的应变场分布。利用离散元方法,开展了考虑PBX炸药细观结构的动态Brazilian数值模拟,获得了损伤演化发展、并形成裂纹的全过程,模拟结果能初步再现PBX炸药的损伤破坏过程。

PBX炸药  /  Brazilian试验  /  离散元法  /  损伤

Dynamic Brazilian test of plastic-bonded explosives was investigated by split Hopkinson pressure bar (SHPB). The tensile strengths of three PBXs were acquired under different strain rates. The evolution of crack on sample surface was captured using high-speed camera. The strain field was calculated by digital speckle correlation method before samples occured to crack. The simulation on dynamic Brazilian test was performed using discrete element method, and the simulation model considering meso-structure was acquired. The simulation results show the produce and evolution process of damage and crack, and the simulation results are in accordance with the experimental results.

plastic-bonded explosives  /  Brazilian test  /  discrete element method  /  damage
傅华, 李俊玲, 谭多望. PBX炸药动态Brazilian试验及数值模拟研究. 高压物理学报, 2012 , 26 (2) : 148 -154 .
Hua FU, Jun-Ling LI, Duo-Wang TAN. Dynamic Brazilian Test and Simulation of Plastic-Bonded Explosives[J]. Chinese Journal of High Pressure Physics, 2012 , 26 (2) : 148 -154 .
  • 国家自然科学基金(10772167; 10902100)
  • 中国工程物理研究院科学技术重大基金(2009A0201008)
  • 国防科技重点实验室基金(9140C6709020907; 9140C6709021005)
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[1]
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2012年第26卷第2期
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  • 接收时间:2010-08-24
  • 首发时间:2026-11-05
  • 出版时间:2012-04-15
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  • 收稿日期:2010-08-24
  • 修回日期:2010-10-20
基金
国家自然科学基金(10772167; 10902100)
中国工程物理研究院科学技术重大基金(2009A0201008)
国防科技重点实验室基金(9140C6709020907; 9140C6709021005)
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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实验室,四川 绵阳 621900
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2种不同金属材料的力学参数
科
Family
属数
Number of
genus
种数
Number of
species
占总种数比例
Percentage of
total species (%)
属
Genus
种数
Number of
species
占总种数比例
Percentage of total
species (%)
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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