Article(id=1324026938188235210, tenantId=1146029695717560320, journalId=1255847867265597444, issueId=1324026895225991447, 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=1278345600000, receivedDateStr=2010-07-06, revisedDate=1282406400000, revisedDateStr=2010-08-22, acceptedDate=null, acceptedDateStr=null, onlineDate=1793602221294, onlineDateStr=2026-11-02, pubDate=1313337600000, pubDateStr=2011-08-15, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1793602221294, onlineIssueDateStr=2026-11-02, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1793602221294, creator=13701087609, updateTime=1793602221294, updator=13701087609, issue=Issue{id=1324026895225991447, tenantId=1146029695717560320, journalId=1255847867265597444, year='2011', volume='25', issue='4', pageStart='289', pageEnd='384', issueExtLink='null', onlineDate='null', pubDate='1313337600000', pubDateStr='2011-08-15', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1793602211051, creator='13701087609', updateTime=1793602835854, updator='13701087609', preIssue=null, nextIssue=null, articleTotal=null, ext={EN=IssueExt(id=1324029515936170233, tenantId=1146029695717560320, journalId=1255847867265597444, issueId=1324026895225991447, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1324029515936170234, tenantId=1146029695717560320, journalId=1255847867265597444, issueId=1324026895225991447, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null, downloadFileDto=null}, startPage=344, endPage=350, ext={EN=ArticleExt(id=1324026938431504843, articleId=1324026938188235210, tenantId=1146029695717560320, journalId=1255847867265597444, language=EN, title=Temperature Change and Microstructure Evolution of the Bore Penetrated by Copper Jets, columnId=null, journalTitle=Chinese Journal of High Pressure Physics, columnName=null, runingTitle=null, highlight=null, articleAbstract=

After metal jets penetrate the steel target, the jets' material adheres on the penetration channel wall. The research on the jets' material is helpful to analyzing the dynamic superplastic deformation and morphological changes of jets in the process of penetration and cooling. Theoretical computation and numerical simulation are used in this work to study the penetration process of copper jets, and the changes of temperature and grain size of copper jets adhered on the penetration channel wall are obtained. The simulated results are in good agreement with the SEM (Scanning Electron Microscope) observation. From the observation of microstructure of copper and steel, we can get the conclusion that the copper jets do not melt but instead undergo dynamic recrystallization in the process of penetration. In addition, the copper grain size increases obviously and the twins are formed in the cooling process.

, authors=Hao CHEN, Gang TAO, authorsList=Hao CHEN, Gang TAO, 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=1324026940264415692, articleId=1324026938188235210, tenantId=1146029695717560320, journalId=1255847867265597444, language=CN, title=铜射流侵彻穿孔处的温度及微观组织研究, columnId=0, journalTitle=高压物理学报, columnName=, runingTitle=null, highlight=null, articleAbstract=

分析金属射流侵彻钢靶后钢靶孔壁上残留的射流材料的微观组织,将有助于了解射流的超塑性动态变形以及射流在侵彻和冷却过程中的状态变化。通过对铜射流侵彻钢靶时钢靶侵彻孔壁处的组织进行分析,利用数值模拟和理论计算,对铜射流的侵彻过程进行研究,得到了侵彻后孔壁上铜射流的温度及晶粒度的变化曲线,分析结果与扫描电镜的观察结果吻合。通过对孔壁处铜和钢的微观组织进行观察,判断出铜射流在侵彻时没有发生熔化,而是发生了动态再结晶,并且晶粒在随后的冷却过程中发生了明显的长大,此外在铜冷却过程中也产生了孪晶。

, authors=陈昊, 陶钢, authorsList=陈昊, 陶钢, authorCompany=null, correspAuthors=null, authorNote=

陈昊(1980-),男,博士研究生,主要从事爆炸及其相互作用研究. E-mail:

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陈昊(1980-),男,博士研究生,主要从事爆炸及其相互作用研究. E-mail:

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陈昊(1980-),男,博士研究生,主要从事爆炸及其相互作用研究. E-mail:

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铜射流侵彻穿孔处的温度及微观组织研究
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陈昊 , 陶钢
高压物理学报 | 2011,25(4): 344-350
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高压物理学报 | 2011 , 25 (4) : 344 -350
铜射流侵彻穿孔处的温度及微观组织研究
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陈昊 , 陶钢
作者信息
  • 南京理工大学能源与动力工程学院,江苏 南京 210094
作者简介:

陈昊(1980-),男,博士研究生,主要从事爆炸及其相互作用研究. E-mail:

Temperature Change and Microstructure Evolution of the Bore Penetrated by Copper Jets
Hao CHEN , Gang TAO
Affiliations
  • School of Energy and Power Engineering, Nanjing University of Science and Technology, Nanjing 210094, China
出版时间: 2011-08-15
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分析金属射流侵彻钢靶后钢靶孔壁上残留的射流材料的微观组织,将有助于了解射流的超塑性动态变形以及射流在侵彻和冷却过程中的状态变化。通过对铜射流侵彻钢靶时钢靶侵彻孔壁处的组织进行分析,利用数值模拟和理论计算,对铜射流的侵彻过程进行研究,得到了侵彻后孔壁上铜射流的温度及晶粒度的变化曲线,分析结果与扫描电镜的观察结果吻合。通过对孔壁处铜和钢的微观组织进行观察,判断出铜射流在侵彻时没有发生熔化,而是发生了动态再结晶,并且晶粒在随后的冷却过程中发生了明显的长大,此外在铜冷却过程中也产生了孪晶。

射流  /  侵彻  /  动态再结晶  /  孪晶

After metal jets penetrate the steel target, the jets' material adheres on the penetration channel wall. The research on the jets' material is helpful to analyzing the dynamic superplastic deformation and morphological changes of jets in the process of penetration and cooling. Theoretical computation and numerical simulation are used in this work to study the penetration process of copper jets, and the changes of temperature and grain size of copper jets adhered on the penetration channel wall are obtained. The simulated results are in good agreement with the SEM (Scanning Electron Microscope) observation. From the observation of microstructure of copper and steel, we can get the conclusion that the copper jets do not melt but instead undergo dynamic recrystallization in the process of penetration. In addition, the copper grain size increases obviously and the twins are formed in the cooling process.

jet  /  penetration  /  dynamic recrystallization  /  twin
陈昊, 陶钢. 铜射流侵彻穿孔处的温度及微观组织研究. 高压物理学报, 2011 , 25 (4) : 344 -350 .
Hao CHEN, Gang TAO. Temperature Change and Microstructure Evolution of the Bore Penetrated by Copper Jets[J]. Chinese Journal of High Pressure Physics, 2011 , 25 (4) : 344 -350 .
  • 国家自然科学基金(10802038)
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Meyers M A, Meyer L W, Vecchio K S, et al. High Strain, High Strain-Rate Deformation of Copper[A]//Proceedings of Shock Wave and High Strain-Rate Phenomena in Materials[C]. Hongkong, 1991: 529-542.
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2011年第25卷第4期
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  • 接收时间:2010-07-06
  • 首发时间:2026-11-02
  • 出版时间:2011-08-15
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  • 收稿日期:2010-07-06
  • 修回日期:2010-08-22
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国家自然科学基金(10802038)
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    南京理工大学能源与动力工程学院,江苏 南京 210094
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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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