Article(id=1320423022532613088, tenantId=1146029695717560320, journalId=1319355204128309394, issueId=1320422991322796787, articleNumber=null, orderNo=null, doi=10.3969/j.issn.1001-4837.2026.01.006, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1753113600000, receivedDateStr=2025-07-22, revisedDate=1762358400000, revisedDateStr=2025-11-06, acceptedDate=null, acceptedDateStr=null, onlineDate=1792742980845, onlineDateStr=2026-10-23, pubDate=1769702400000, pubDateStr=2026-01-30, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1792742980845, onlineIssueDateStr=2026-10-23, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1792742980845, creator=13701087609, updateTime=1792742980845, updator=13701087609, issue=Issue{id=1320422991322796787, tenantId=1146029695717560320, journalId=1319355204128309394, year='2026', volume='43', issue='1', pageStart='1', pageEnd='86', issueExtLink='null', onlineDate='null', pubDate='1769702400000', pubDateStr='2026-01-30', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1792742973404, creator='13701087609', updateTime=1792745324599, updator='13701087609', preIssue=null, nextIssue=null, articleTotal=null, ext={EN=IssueExt(id=1320432853012304549, tenantId=1146029695717560320, journalId=1319355204128309394, issueId=1320422991322796787, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1320432853016498854, tenantId=1146029695717560320, journalId=1319355204128309394, issueId=1320422991322796787, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null, downloadFileDto=null}, startPage=43, endPage=55, ext={EN=ArticleExt(id=1320423022738133985, articleId=1320423022532613088, tenantId=1146029695717560320, journalId=1319355204128309394, language=EN, title=Shakedown,ratcheting and low‑cycle fatigue behavior analysis of pressure‑bearing structures with pit defects, columnId=1320422992044217077, journalTitle=Pressure Vessel Technology, columnName=Designs & Analyses, runingTitle=null, highlight=null, articleAbstract=
Addressing the critical issue that defects such as pits and cracks significantly reduce the load‑bearing capacity of pressure vessels and lead to safety accidents under harsh operating conditions involving high temperature,high pressure,and corrosive media,this study employs the linear matching method(LMM) to systematically analyze the influence mechanism of geometric characteristics of pitting defects on the fatigue behavior of high‑temperature pressure‑bearing structures.The results indicate that local thinned pits significantly reduce the reverse plastic limit,with the axial local thinned pit having the most significant impact,while the limit load of elliptical pits is largely unaffected by pit size.Under high‑temperature environments,the axial local thinned pit increases the total strain range by 53.8%,whereas the circumferential local thinned pit increases it by only 18.1%.The total strain range of elliptical pits is significantly influenced by pit size,increasing with the short axis(axial dimension) and decreasing with the long axis(circumferential dimension).This study provides a theoretical reference for extending equipment service life and improving production efficiency.
, authors=Jialin LI, Xiaoxiao WANG, Haofeng CHEN, authorsList=Jialin LI, Xiaoxiao WANG, Haofeng CHEN, authorCompany=null, correspAuthors=Haofeng 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=1320423026970185745, articleId=1320423022532613088, tenantId=1146029695717560320, journalId=1319355204128309394, language=CN, title=含凹坑缺陷承压结构的安定、棘轮及低周疲劳行为分析, columnId=1320422992211989239, journalTitle=压力容器, columnName=设计计算, runingTitle=null, highlight=null, articleAbstract=
针对压力容器常在高温、高压及腐蚀性介质等恶劣工况下运行时,凹坑、裂纹等缺陷显著降低其承载能力并引发安全事故的关键问题,采用线性匹配法(LMM)系统分析了高温承压结构中凹坑缺陷的几何特征对疲劳行为的影响机制。研究结果表明,局部减薄凹坑会显著降低反向塑性极限,其中沿容器轴向的局部减薄凹坑影响程度最大,而椭圆形凹坑的极限载荷基本不受凹坑尺寸的影响;在高温环境下,轴向局部减薄凹坑使总应变范围增加53.8%,周向局部减薄凹坑仅使总应变范围增加18.1%;椭圆形凹坑的总应变范围受凹坑尺寸影响显著,其随短轴(轴向尺寸)增大而增大,随长轴(周向尺寸)增大而减小。研究可为延长设备使用寿命、提高生产效率提供理论参考。
, authors=李佳琳, 王骁晓, 陈浩峰, authorsList=李佳琳, 王骁晓, 陈浩峰, authorCompany=null, correspAuthors=陈浩峰, authorNote=
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作者向本刊所投稿件一经本刊录用,则该论文的复制权、发行权、信息网络传播权、翻译权、汇编权等权利视为自动转让给本刊。本刊为国内各主要数据库收录期刊,本刊所发表的稿件将同时通过因特网进行网络出版或提供信息服务(包括印刷版、光盘版和网络版等各种使用方式)。, copyrightOwner=null, extLink=null, articleAbsUrl=null, sourceXml=nROlkWPy94WU9SEl7N29zQ==, magXml=zzSCcCsFwuN+/HTjv59Btw==, pdfUrl=null, pdf=XfCn8wCDIMdm565p6n2MhQ==, pdfFileSize=9764486, pdfExtLink=null, richHtmlUrl=null, mobilePdfUrl=null, reviewReport=null, pdfFirstPage=null, abstractGraph=di5HvtMaepaet9lzz89flg==, abstractGraphContent=null, abstractVideo=null, citation=null, cebUrl=null, magXmlContent=rZHl+L+7oKElemfiSMmOkg==, mapNumber=null, fund=null)}, authors=[Author(id=1320423027251204118, tenantId=1146029695717560320, journalId=1319355204128309394, articleId=1320423022532613088, orderNo=0, firstName=null, middleName=null, lastName=null, nameCn=null, orcid=null, stid=null, country=null, authorPic=null, dead=0, email=y30230670@mail.ecust.edu.cn, emailSecond=null, emailThird=null, correspondingAuthor=0, authorType=1, ext={EN=AuthorExt(id=1320423027330895896, tenantId=1146029695717560320, journalId=1319355204128309394, articleId=1320423022532613088, authorId=1320423027251204118, language=EN, stringName=Jialin LI, firstName=Jialin, middleName=null, lastName=LI, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=null, address=School of Mechanical and Power Engineering,East China University of Science and Technology,Shanghai 200237,China, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null), CN=AuthorExt(id=1320423027406393369, tenantId=1146029695717560320, journalId=1319355204128309394, articleId=1320423022532613088, authorId=1320423027251204118, language=CN, stringName=李佳琳, firstName=null, middleName=null, lastName=null, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=null, address=华东理工大学 机械与动力工程学院,上海 200237, bio={"content":"
李佳琳(2001),女,主要从事核电装备高温结构完整性研究工作,通信地址:200237上海市徐汇区凌云路街道梅陇路130号华东理工大学机械与动力工程学院,E-mail:y30230670@mail.ecust.edu.cn。
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李佳琳(2001),女,主要从事核电装备高温结构完整性研究工作,通信地址:200237上海市徐汇区凌云路街道梅陇路130号华东理工大学机械与动力工程学院,E-mail:y30230670@mail.ecust.edu.cn。
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Calculation process of LMM shakedown analysis, figureFileSmall=j0/z7ZhdHi6l1PpttM+JwQ==, figureFileBig=di5HvtMaepaet9lzz89flg==, tableContent=null), ArticleFig(id=1320423028652101677, tenantId=1146029695717560320, journalId=1319355204128309394, articleId=1320423022532613088, language=CN, label=图1, caption=
LMM安定分析计算流程, figureFileSmall=j0/z7ZhdHi6l1PpttM+JwQ==, figureFileBig=di5HvtMaepaet9lzz89flg==, tableContent=null), ArticleFig(id=1320423028840845358, tenantId=1146029695717560320, journalId=1319355204128309394, articleId=1320423022532613088, language=EN, label=Fig.2, caption=
Calculation process of LMM low‑cycle fatigue analysis, figureFileSmall=eoupJu9ry0t9eVo8ej4ytg==, figureFileBig=/lQ55F2xsp+nG6AFhCc8Cw==, tableContent=null), ArticleFig(id=1320423028912148527, tenantId=1146029695717560320, journalId=1319355204128309394, articleId=1320423022532613088, language=CN, label=图2, caption=
LMM低周疲劳分析计算流程, figureFileSmall=eoupJu9ry0t9eVo8ej4ytg==, figureFileBig=/lQ55F2xsp+nG6AFhCc8Cw==, tableContent=null), ArticleFig(id=1320423028979257392, tenantId=1146029695717560320, journalId=1319355204128309394, articleId=1320423022532613088, language=EN, label=Fig.3, caption=
Schematic of pressure vessel structure, figureFileSmall=MAcDYaaHJnXjeSUF+tCQLw==, figureFileBig=72H/XInn6THDmqCGu3Sp0A==, tableContent=null), ArticleFig(id=1320423029046366257, tenantId=1146029695717560320, journalId=1319355204128309394, articleId=1320423022532613088, language=CN, label=图3, caption=
压力容器结构示意, figureFileSmall=MAcDYaaHJnXjeSUF+tCQLw==, figureFileBig=72H/XInn6THDmqCGu3Sp0A==, tableContent=null), ArticleFig(id=1320423029113475122, tenantId=1146029695717560320, journalId=1319355204128309394, articleId=1320423022532613088, language=EN, label=Fig.4, caption=
Schematic of pressure vessel temperature field, figureFileSmall=W/ytE4r0iFCSWk/EHoCjnA==, figureFileBig=y0Turd/s9acgf/iyfEjVGA==, tableContent=null), ArticleFig(id=1320423029193166899, tenantId=1146029695717560320, journalId=1319355204128309394, articleId=1320423022532613088, language=CN, label=图4, caption=
压力容器温度场示意, figureFileSmall=W/ytE4r0iFCSWk/EHoCjnA==, figureFileBig=y0Turd/s9acgf/iyfEjVGA==, tableContent=null), ArticleFig(id=1320423029251887156, tenantId=1146029695717560320, journalId=1319355204128309394, articleId=1320423022532613088, language=EN, label=Fig.5, caption=
Pressure vessel load history curve, figureFileSmall=DCW2st6ohVs8Ng2+DL0lVQ==, figureFileBig=AMfujiA/2ZZJgcTVIZ8Sog==, tableContent=null), ArticleFig(id=1320423029318996021, tenantId=1146029695717560320, journalId=1319355204128309394, articleId=1320423022532613088, language=CN, label=图5, caption=
压力容器载荷历史曲线, figureFileSmall=DCW2st6ohVs8Ng2+DL0lVQ==, figureFileBig=AMfujiA/2ZZJgcTVIZ8Sog==, tableContent=null), ArticleFig(id=1320423029377716278, tenantId=1146029695717560320, journalId=1319355204128309394, articleId=1320423022532613088, language=EN, label=Fig.6, caption=
Boundary conditions of pressure vessel, figureFileSmall=8EhXY0PTXtcJEpFXNbrMEg==, figureFileBig=sbzi/Q2CHA28dWwDwv+5aw==, tableContent=null), ArticleFig(id=1320423029449019447, tenantId=1146029695717560320, journalId=1319355204128309394, articleId=1320423022532613088, language=CN, label=图6, caption=
压力容器边界条件, figureFileSmall=8EhXY0PTXtcJEpFXNbrMEg==, figureFileBig=sbzi/Q2CHA28dWwDwv+5aw==, tableContent=null), ArticleFig(id=1320423029503545400, tenantId=1146029695717560320, journalId=1319355204128309394, articleId=1320423022532613088, language=EN, label=Fig.7, caption=
Locally thinned pit model, figureFileSmall=Tq3EzLnhcWPI2z0ojrAAtA==, figureFileBig=fVvS1Ib8ZLGKW2OpNN/N3w==, tableContent=null), ArticleFig(id=1320423029566459961, tenantId=1146029695717560320, journalId=1319355204128309394, articleId=1320423022532613088, language=CN, label=图7, caption=
局部减薄凹坑模型(a)小面积槽 (b)轴向槽 (c)周向槽 (d)大面积槽
, figureFileSmall=Tq3EzLnhcWPI2z0ojrAAtA==, figureFileBig=fVvS1Ib8ZLGKW2OpNN/N3w==, tableContent=null), ArticleFig(id=1320423029641957434, tenantId=1146029695717560320, journalId=1319355204128309394, articleId=1320423022532613088, language=EN, label=Fig.8, caption=
Geometric shape of locally thinned pit, figureFileSmall=o4wI1kkQjH+dp2P1yak0qg==, figureFileBig=eAFjY2TaZoEqb7e9ZupgXA==, tableContent=null), ArticleFig(id=1320423029700677691, tenantId=1146029695717560320, journalId=1319355204128309394, articleId=1320423022532613088, language=CN, label=图8, caption=
局部减薄凹坑几何形状, figureFileSmall=o4wI1kkQjH+dp2P1yak0qg==, figureFileBig=eAFjY2TaZoEqb7e9ZupgXA==, tableContent=null), ArticleFig(id=1320423029763592252, tenantId=1146029695717560320, journalId=1319355204128309394, articleId=1320423022532613088, language=EN, label=Fig.9, caption=
Elliptical pit model, figureFileSmall=D7F0omazBm+2Nkn9jVUdJA==, figureFileBig=5Gw3KA5c8pxYMEdhVaoWuw==, tableContent=null), ArticleFig(id=1320423029847478333, tenantId=1146029695717560320, journalId=1319355204128309394, articleId=1320423022532613088, language=CN, label=图9, caption=
椭圆形凹坑模型, figureFileSmall=D7F0omazBm+2Nkn9jVUdJA==, figureFileBig=5Gw3KA5c8pxYMEdhVaoWuw==, tableContent=null), ArticleFig(id=1320423029906198590, tenantId=1146029695717560320, journalId=1319355204128309394, articleId=1320423022532613088, language=EN, label=Fig.10, caption=
Elliptical pit geometry, figureFileSmall=qbpPDa/qRGlKszlCiS5qdw==, figureFileBig=3Sv3VL2PBHIWYBHQFV93CA==, tableContent=null), ArticleFig(id=1320423029964918847, tenantId=1146029695717560320, journalId=1319355204128309394, articleId=1320423022532613088, language=CN, label=图10, caption=
椭圆形凹坑几何形状, figureFileSmall=qbpPDa/qRGlKszlCiS5qdw==, figureFileBig=3Sv3VL2PBHIWYBHQFV93CA==, tableContent=null), ArticleFig(id=1320423030040416320, tenantId=1146029695717560320, journalId=1319355204128309394, articleId=1320423022532613088, language=EN, label=Fig.11, caption=
Shakedown and ratchet limit interaction curve oflocally thinned shallow groove, figureFileSmall=yeqsRusBCAP9BuEG9T5iuA==, figureFileBig=wol4gc3J47dWXX04ocVC+Q==, tableContent=null), ArticleFig(id=1320423030111719489, tenantId=1146029695717560320, journalId=1319355204128309394, articleId=1320423022532613088, language=CN, label=图11, caption=
局部减薄浅槽的安定和棘轮极限相互作用曲线, figureFileSmall=yeqsRusBCAP9BuEG9T5iuA==, figureFileBig=wol4gc3J47dWXX04ocVC+Q==, tableContent=null), ArticleFig(id=1320423030183022658, tenantId=1146029695717560320, journalId=1319355204128309394, articleId=1320423022532613088, language=EN, label=Fig.12, caption=
Shakedown and ratchet limit interaction curves of shallow groove and deep groove, figureFileSmall=7ZXXeGwkww0mHIr1imtZ2Q==, figureFileBig=2JFTlphEo7Gx8DIcYkpKaw==, tableContent=null), ArticleFig(id=1320423030275297347, tenantId=1146029695717560320, journalId=1319355204128309394, articleId=1320423022532613088, language=CN, label=图12, caption=
浅槽和深槽的安定和棘轮极限相互作用曲线, figureFileSmall=7ZXXeGwkww0mHIr1imtZ2Q==, figureFileBig=2JFTlphEo7Gx8DIcYkpKaw==, tableContent=null), ArticleFig(id=1320423030359183428, tenantId=1146029695717560320, journalId=1319355204128309394, articleId=1320423022532613088, language=EN, label=Fig.13, caption=
Equivalent strain increment of locally thinned shallow groove, figureFileSmall=voUEgiG6d+qAXLjNAlGYbg==, figureFileBig=iVlTwr/L69sXhJsedZkfZg==, tableContent=null), ArticleFig(id=1320423030434680901, tenantId=1146029695717560320, journalId=1319355204128309394, articleId=1320423022532613088, language=CN, label=图13, caption=
局部减薄浅槽的等效应变增量(a)小面积槽 (b)轴向槽 (c)周向槽 (d)大面积槽
, figureFileSmall=voUEgiG6d+qAXLjNAlGYbg==, figureFileBig=iVlTwr/L69sXhJsedZkfZg==, tableContent=null), ArticleFig(id=1320423030514372678, tenantId=1146029695717560320, journalId=1319355204128309394, articleId=1320423022532613088, language=EN, label=Fig.14, caption=
Equivalent strain increment of a circular pit with a diameter of 200 mm, figureFileSmall=59zvT44OCZrmsuOFwIG8rw==, figureFileBig=N3tf6Miu26S/vajGjzcDRg==, tableContent=null), ArticleFig(id=1320423030585675847, tenantId=1146029695717560320, journalId=1319355204128309394, articleId=1320423022532613088, language=CN, label=图14, caption=
直径200 mm圆形凹坑的等效应变增量, figureFileSmall=59zvT44OCZrmsuOFwIG8rw==, figureFileBig=N3tf6Miu26S/vajGjzcDRg==, tableContent=null), ArticleFig(id=1320423030652784712, tenantId=1146029695717560320, journalId=1319355204128309394, articleId=1320423022532613088, language=EN, label=Fig.15, caption=
Elliptical pit size parameter-limit loadrelationship curve, figureFileSmall=4MLh19OAMfUwg1i7j4oLPA==, figureFileBig=9qAWeGc7DiL/ZZcfqarLLA==, tableContent=null), ArticleFig(id=1320423030749253705, tenantId=1146029695717560320, journalId=1319355204128309394, articleId=1320423022532613088, language=CN, label=图15, caption=
椭圆形凹坑尺寸参数-极限载荷关系曲线, figureFileSmall=4MLh19OAMfUwg1i7j4oLPA==, figureFileBig=9qAWeGc7DiL/ZZcfqarLLA==, tableContent=null), ArticleFig(id=1320423030828945482, tenantId=1146029695717560320, journalId=1319355204128309394, articleId=1320423022532613088, language=EN, label=Fig.16, caption=
Plastic strain of locally thinned shallow groove, figureFileSmall=SkTWnaZnSssKPcgTVNacPA==, figureFileBig=cZ8gJgzz0u/7TRySiG/Pxw==, tableContent=null), ArticleFig(id=1320423030900248651, tenantId=1146029695717560320, journalId=1319355204128309394, articleId=1320423022532613088, language=CN, label=图16, caption=
局部减薄浅槽的塑性应变(a)小面积槽 (b)轴向槽 (c)周向槽 (d)大面积槽
, figureFileSmall=SkTWnaZnSssKPcgTVNacPA==, figureFileBig=cZ8gJgzz0u/7TRySiG/Pxw==, tableContent=null), ArticleFig(id=1320423030963163212, tenantId=1146029695717560320, journalId=1319355204128309394, articleId=1320423022532613088, language=EN, label=Fig.17, caption=
Total strain range of locally thinned shallow groove, figureFileSmall=R452AvxdwQtByou/2B7AXQ==, figureFileBig=xTt4u3iU0BXH/xTb5GfrOQ==, tableContent=null), ArticleFig(id=1320423031076409421, tenantId=1146029695717560320, journalId=1319355204128309394, articleId=1320423022532613088, language=CN, label=图17, caption=
局部减薄浅槽的总应变范围(a)小面积槽 (b)轴向槽 (c)周向槽 (d)大面积槽
, figureFileSmall=R452AvxdwQtByou/2B7AXQ==, figureFileBig=xTt4u3iU0BXH/xTb5GfrOQ==, tableContent=null), ArticleFig(id=1320423031365816398, tenantId=1146029695717560320, journalId=1319355204128309394, articleId=1320423022532613088, language=EN, label=Fig.18, caption=
Hysteresis curve of locally thinned shallow groove, figureFileSmall=UW8yrKOY0dAjl9wd7kJqQQ==, figureFileBig=PP/FM/Qfa7i0rQlQvbOzXw==, tableContent=null), ArticleFig(id=1320423031445508175, tenantId=1146029695717560320, journalId=1319355204128309394, articleId=1320423022532613088, language=CN, label=图18, caption=
局部减薄浅槽的滞回曲线, figureFileSmall=UW8yrKOY0dAjl9wd7kJqQQ==, figureFileBig=PP/FM/Qfa7i0rQlQvbOzXw==, tableContent=null), ArticleFig(id=1320423031537782864, tenantId=1146029695717560320, journalId=1319355204128309394, articleId=1320423022532613088, language=EN, label=Fig.19, caption=
Hysteresis curves of shallow groove and deep groove, figureFileSmall=ilCvCHq0FQcQxLZljKqkvA==, figureFileBig=95N8PDdc4sBPRMtAaCrOoA==, tableContent=null), ArticleFig(id=1320423031609086033, tenantId=1146029695717560320, journalId=1319355204128309394, articleId=1320423022532613088, language=CN, label=图19, caption=
浅槽和深槽的滞回曲线, figureFileSmall=ilCvCHq0FQcQxLZljKqkvA==, figureFileBig=95N8PDdc4sBPRMtAaCrOoA==, tableContent=null), ArticleFig(id=1320423031684583506, tenantId=1146029695717560320, journalId=1319355204128309394, articleId=1320423022532613088, language=EN, label=Fig.20, caption=
Plastic strain of the 200 mm×200 mm×10 mmreference model, figureFileSmall=m/W8GW5b7mWiYwcpqX2PMg==, figureFileBig=4xGm7niKIl1bfy9XJo+a5A==, tableContent=null), ArticleFig(id=1320423031755886675, tenantId=1146029695717560320, journalId=1319355204128309394, articleId=1320423022532613088, language=CN, label=图20, caption=
200 mm×200 mm×10 mm基准模型的塑性应变, figureFileSmall=m/W8GW5b7mWiYwcpqX2PMg==, figureFileBig=4xGm7niKIl1bfy9XJo+a5A==, tableContent=null), ArticleFig(id=1320423031831384148, tenantId=1146029695717560320, journalId=1319355204128309394, articleId=1320423022532613088, language=EN, label=Fig.21, caption=
Total strain range of the 200 mm×200 mm×10 mmreference model, figureFileSmall=+xie/UQlRRUHSc2rsLE+AA==, figureFileBig=uK/XE+sETpEeAbd+VB2Ctg==, tableContent=null), ArticleFig(id=1320423031911075925, tenantId=1146029695717560320, journalId=1319355204128309394, articleId=1320423022532613088, language=CN, label=图21, caption=
200 mm×200 mm×10 mm基准模型的总应变范围, figureFileSmall=+xie/UQlRRUHSc2rsLE+AA==, figureFileBig=uK/XE+sETpEeAbd+VB2Ctg==, tableContent=null), ArticleFig(id=1320423031982379094, tenantId=1146029695717560320, journalId=1319355204128309394, articleId=1320423022532613088, language=EN, label=Fig.22, caption=
Plastic strain of elliptical pit with varying minor axis, figureFileSmall=/ZPeZLVn3gR6AToYhGp8tg==, figureFileBig=gOajhFM4BNm27vFD9ntBVg==, tableContent=null), ArticleFig(id=1320423032057876567, tenantId=1146029695717560320, journalId=1319355204128309394, articleId=1320423022532613088, language=CN, label=图22, caption=
短轴变化椭圆形凹坑的塑性应变, figureFileSmall=/ZPeZLVn3gR6AToYhGp8tg==, figureFileBig=gOajhFM4BNm27vFD9ntBVg==, tableContent=null), ArticleFig(id=1320423032150151256, tenantId=1146029695717560320, journalId=1319355204128309394, articleId=1320423022532613088, language=EN, label=Fig.23, caption=
Plastic strain of elliptical pit with varying major axis, figureFileSmall=/OFYba4zCgXVG+FfyaqvNQ==, figureFileBig=567OXm3udsCQzOU3WY/gsw==, tableContent=null), ArticleFig(id=1320423032229843033, tenantId=1146029695717560320, journalId=1319355204128309394, articleId=1320423022532613088, language=CN, label=图23, caption=
长轴变化椭圆形凹坑的塑性应变, figureFileSmall=/OFYba4zCgXVG+FfyaqvNQ==, figureFileBig=567OXm3udsCQzOU3WY/gsw==, tableContent=null), ArticleFig(id=1320423032305340506, tenantId=1146029695717560320, journalId=1319355204128309394, articleId=1320423022532613088, language=EN, label=Fig.24, caption=
Elliptical pit size parameter-total strain rangerelationship curve, figureFileSmall=leyvKgJ25kDF4n8m962XIw==, figureFileBig=jhGkBCOFF9iy+yjLn8JWhA==, tableContent=null), ArticleFig(id=1320423032385032283, tenantId=1146029695717560320, journalId=1319355204128309394, articleId=1320423022532613088, language=CN, label=图24, caption=
椭圆形凹坑尺寸参数-总应变范围关系曲线, figureFileSmall=leyvKgJ25kDF4n8m962XIw==, figureFileBig=jhGkBCOFF9iy+yjLn8JWhA==, tableContent=null), ArticleFig(id=1320423032485695580, tenantId=1146029695717560320, journalId=1319355204128309394, articleId=1320423022532613088, language=EN, label=Tab.1, caption=
Q345R material property parameters
, figureFileSmall=null, figureFileBig=null, tableContent=
| 参数 | 泊松比 | 膨胀系数/℃-1 | 导热率/(W⋅mm-1⋅℃-1) | 比热容/(J⋅kg-1⋅℃-1) | 密度/(t-1⋅mm-3) |
|---|
| 数值 | 0.3 | 1.1×10-5 | 0.048 | 500 | 7.85×10-9 |
), ArticleFig(id=1320423032569581661, tenantId=1146029695717560320, journalId=1319355204128309394, articleId=1320423022532613088, language=CN, label=表1, caption=
Q345R材料性能参数
, figureFileSmall=null, figureFileBig=null, tableContent=
| 参数 | 泊松比 | 膨胀系数/℃-1 | 导热率/(W⋅mm-1⋅℃-1) | 比热容/(J⋅kg-1⋅℃-1) | 密度/(t-1⋅mm-3) |
|---|
| 数值 | 0.3 | 1.1×10-5 | 0.048 | 500 | 7.85×10-9 |
), ArticleFig(id=1320423032657662046, tenantId=1146029695717560320, journalId=1319355204128309394, articleId=1320423022532613088, language=EN, label=Tab.2, caption=
Geometric parameters of locally thinned pit
, figureFileSmall=null, figureFileBig=null, tableContent=
| 参数 | X/mm | Y/mm | R/mm(浅槽/深槽) |
|---|
| 小面积槽 | 100 | 50 | 10/15 |
| 轴向槽 | 600 | 50 | 10/15 |
| 周向槽 | 100 | 300 | 10/15 |
| 大面积槽 | 600 | 300 | 10/15 |
), ArticleFig(id=1320423032737353823, tenantId=1146029695717560320, journalId=1319355204128309394, articleId=1320423022532613088, language=CN, label=表2, caption=
局部减薄凹坑几何参数
, figureFileSmall=null, figureFileBig=null, tableContent=
| 参数 | X/mm | Y/mm | R/mm(浅槽/深槽) |
|---|
| 小面积槽 | 100 | 50 | 10/15 |
| 轴向槽 | 600 | 50 | 10/15 |
| 周向槽 | 100 | 300 | 10/15 |
| 大面积槽 | 600 | 300 | 10/15 |
), ArticleFig(id=1320423032804462688, tenantId=1146029695717560320, journalId=1319355204128309394, articleId=1320423022532613088, language=EN, label=Tab.3, caption=
Limit load of locally thinned pit
, figureFileSmall=null, figureFileBig=null, tableContent=
| 项目 | 浅槽 | 深槽 |
|---|
| 极限载荷/MPa | 失效位置 | 极限载荷/MPa | 失效位置 |
|---|
| 小面积槽 | 4.61 | 下接管几何不连续处 | 4.61 | 下接管几何不连续处 |
| 轴向槽 | 4.13 | 凹坑 | 3.17 | 凹坑 |
| 周向槽 | 4.67 | 下接管几何不连续处 | 4.63 | 凹坑 |
| 大面积槽 | 2.98 | 凹坑 | 1.39 | 凹坑 |
), ArticleFig(id=1320423032879960161, tenantId=1146029695717560320, journalId=1319355204128309394, articleId=1320423022532613088, language=CN, label=表3, caption=
局部减薄凹坑极限载荷
, figureFileSmall=null, figureFileBig=null, tableContent=
| 项目 | 浅槽 | 深槽 |
|---|
| 极限载荷/MPa | 失效位置 | 极限载荷/MPa | 失效位置 |
|---|
| 小面积槽 | 4.61 | 下接管几何不连续处 | 4.61 | 下接管几何不连续处 |
| 轴向槽 | 4.13 | 凹坑 | 3.17 | 凹坑 |
| 周向槽 | 4.67 | 下接管几何不连续处 | 4.63 | 凹坑 |
| 大面积槽 | 2.98 | 凹坑 | 1.39 | 凹坑 |
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