Article(id=1324026887814643733, 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=1258300800000, receivedDateStr=2009-11-16, revisedDate=1264435200000, revisedDateStr=2010-01-26, acceptedDate=null, acceptedDateStr=null, onlineDate=1793602209284, onlineDateStr=2026-11-02, pubDate=1297699200000, pubDateStr=2011-02-15, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1793602209284, onlineIssueDateStr=2026-11-02, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1793602209284, creator=13701087609, updateTime=1793602209284, 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=1, endPage=7, ext={EN=ArticleExt(id=1324026889202958358, articleId=1324026887814643733, tenantId=1146029695717560320, journalId=1255847867265597444, language=EN, title=An Experimental Study on the Micro/Macro Fracture Behavior of PBX Using Digital Speckle Correlation Method, columnId=null, journalTitle=Chinese Journal of High Pressure Physics, columnName=null, runingTitle=null, highlight=null, articleAbstract=

The micro/macro fracture behavior of a polymer bonded explosive (PBX) material was experimentally studied using a semi-circular bend test and digital speckle correlation method (DSCM). Brittle fracture occurred when a semi-circular disc sample of PBX with a preset crack was compressed. The whole strain field and displacement vector plot were obtained using the DSCM, and the plane strain fracture toughness of PBX material was acquired. In addition, real time microscopic examination was conducted to observe the process of deformation and failure of PBX material under semi-circular bend test using a scanning electron microscope (SEM) equipped with a loading stage. The localized damage and its evolution in PBX were obtained by the DSCM, demonstrating possible fracture route of microcracks. The results indicate that DSCM technique is a valid and effective tool to study the deformation and fracture mechanisms of PBX.

, authors=Zhong-Bin ZHOU, Peng-Wan CHEN, Feng-Lei HUANG, authorsList=Zhong-Bin ZHOU, Peng-Wan CHEN, Feng-Lei HUANG, authorCompany=null, correspAuthors=Peng-Wan CHEN, 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=1324026889416867863, articleId=1324026887814643733, tenantId=1146029695717560320, journalId=1255847867265597444, language=CN, title=PBX材料宏细观断裂行为的数字散斑相关法实验研究, columnId=0, journalTitle=高压物理学报, columnName=, runingTitle=null, highlight=null, articleAbstract=

采用半圆盘弯曲实验和数字散斑相关方法,对高聚物粘结炸药(PBX)的宏、细观断裂行为进行了实验研究。宏观上,带有预制裂纹的半圆盘试样发生拉伸破坏,利用数字散斑相关技术得到了试样的应变场和位移矢量场分布,定量分析了试样全场的变形特征,并测得了PBX材料的平面应变断裂韧性;细观上,用配有加载装置的扫描电子显微镜对含预制裂纹的半圆盘试样间接拉伸下的损伤演化和破坏过程进行了实时原位观察,借助于数字散斑相关方法,定量分析了试样损伤局部化特征。结果表明,将数字散斑相关方法用于研究PBX材料宏、细观尺度上的变形破坏问题是有效的。

, authors=周忠彬, 陈鹏万, 黄风雷, authorsList=周忠彬, 陈鹏万, 黄风雷, authorCompany=null, correspAuthors=陈鹏万, authorNote=

周忠彬(1984—),男,博士研究生,主要从事高聚物粘结炸药力学性能研究. E-mail:

, correspAuthorsNote=
陈鹏万(1971—),男,博士生导师,教授,主要从事含能材料相关研究. E-mail:
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周忠彬(1984—),男,博士研究生,主要从事高聚物粘结炸药力学性能研究. E-mail:

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PBX材料宏细观断裂行为的数字散斑相关法实验研究
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周忠彬 , 陈鹏万 , 黄风雷
高压物理学报 | 2011,25(1): 1-7
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高压物理学报 | 2011 , 25 (1) : 1 -7
PBX材料宏细观断裂行为的数字散斑相关法实验研究
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周忠彬(1984—),男,博士研究生,主要从事高聚物粘结炸药力学性能研究. E-mail:

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周忠彬 , 陈鹏万 , 黄风雷
作者信息
  • 北京理工大学爆炸科学与技术国家重点实验室,北京 100081
通讯作者:
陈鹏万(1971—),男,博士生导师,教授,主要从事含能材料相关研究. E-mail:
作者简介:

周忠彬(1984—),男,博士研究生,主要从事高聚物粘结炸药力学性能研究. E-mail:

An Experimental Study on the Micro/Macro Fracture Behavior of PBX Using Digital Speckle Correlation Method
Zhong-Bin ZHOU , Peng-Wan CHEN , Feng-Lei HUANG
Affiliations
  • State Key Laboratory of Explosion Science and Technology, Beijing Institute of Technology, Beijing 100081, China
出版时间: 2011-02-15
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采用半圆盘弯曲实验和数字散斑相关方法,对高聚物粘结炸药(PBX)的宏、细观断裂行为进行了实验研究。宏观上,带有预制裂纹的半圆盘试样发生拉伸破坏,利用数字散斑相关技术得到了试样的应变场和位移矢量场分布,定量分析了试样全场的变形特征,并测得了PBX材料的平面应变断裂韧性;细观上,用配有加载装置的扫描电子显微镜对含预制裂纹的半圆盘试样间接拉伸下的损伤演化和破坏过程进行了实时原位观察,借助于数字散斑相关方法,定量分析了试样损伤局部化特征。结果表明,将数字散斑相关方法用于研究PBX材料宏、细观尺度上的变形破坏问题是有效的。

高聚物粘结炸药(PBX)  /  数字散斑相关方法  /  半圆盘弯曲实验  /  断裂韧性  /  损伤局部化

The micro/macro fracture behavior of a polymer bonded explosive (PBX) material was experimentally studied using a semi-circular bend test and digital speckle correlation method (DSCM). Brittle fracture occurred when a semi-circular disc sample of PBX with a preset crack was compressed. The whole strain field and displacement vector plot were obtained using the DSCM, and the plane strain fracture toughness of PBX material was acquired. In addition, real time microscopic examination was conducted to observe the process of deformation and failure of PBX material under semi-circular bend test using a scanning electron microscope (SEM) equipped with a loading stage. The localized damage and its evolution in PBX were obtained by the DSCM, demonstrating possible fracture route of microcracks. The results indicate that DSCM technique is a valid and effective tool to study the deformation and fracture mechanisms of PBX.

polymer bonded explosive (PBX)  /  digital speckle correlation method  /  semi-circular bend test  /  fracture toughness  /  localization of damage
周忠彬, 陈鹏万, 黄风雷. PBX材料宏细观断裂行为的数字散斑相关法实验研究. 高压物理学报, 2011 , 25 (1) : 1 -7 .
Zhong-Bin ZHOU, Peng-Wan CHEN, Feng-Lei HUANG. An Experimental Study on the Micro/Macro Fracture Behavior of PBX Using Digital Speckle Correlation Method[J]. Chinese Journal of High Pressure Physics, 2011 , 25 (1) : 1 -7 .
  • 国家自然科学基金重点项目(10832003)
  • 973计划项目(613830202)
  • 新世纪优秀人才支持计划项目(NCET-06-0159)
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2011年第25卷第1期
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  • 接收时间:2009-11-16
  • 首发时间:2026-11-02
  • 出版时间:2011-02-15
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  • 收稿日期:2009-11-16
  • 修回日期:2010-01-26
基金
国家自然科学基金重点项目(10832003)
973计划项目(613830202)
新世纪优秀人才支持计划项目(NCET-06-0159)
作者信息
    北京理工大学爆炸科学与技术国家重点实验室,北京 100081

通讯作者:

陈鹏万(1971—),男,博士生导师,教授,主要从事含能材料相关研究. 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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