Article(id=1309884496510546012, tenantId=1146029695717560320, journalId=1189873562199433220, issueId=1309884491208945711, articleNumber=null, orderNo=null, doi=10.19710/J.cnki.1003-8817.20260005, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=null, receivedDateStr=null, revisedDate=null, revisedDateStr=null, acceptedDate=null, acceptedDateStr=null, onlineDate=1790230400444, onlineDateStr=2026-09-24, pubDate=1789833600000, pubDateStr=2026-09-20, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1790230400444, onlineIssueDateStr=2026-09-24, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1790230400444, creator=13701087609, updateTime=1790230400444, updator=13701087609, issue=Issue{id=1309884491208945711, tenantId=1146029695717560320, journalId=1189873562199433220, year='2026', volume='', issue='9', pageStart='1', pageEnd='72', issueExtLink='null', onlineDate='null', pubDate='1789833600000', pubDateStr='2026-09-20', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1790230399181, creator='13701087609', updateTime=1790231045823, updator='13701087609', preIssue=null, nextIssue=null, articleTotal=null, ext={EN=IssueExt(id=1309887203875061804, tenantId=1146029695717560320, journalId=1189873562199433220, issueId=1309884491208945711, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1309887203875061805, tenantId=1146029695717560320, journalId=1189873562199433220, issueId=1309884491208945711, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null, downloadFileDto=null}, startPage=25, endPage=29, ext={EN=ArticleExt(id=1309884496669929565, articleId=1309884496510546012, tenantId=1146029695717560320, journalId=1189873562199433220, language=EN, title=Analysis and Improvement of Fuel Pipe Bracket Fracture, columnId=null, journalTitle=Automobile Technology & Material, columnName=null, runingTitle=null, highlight=null, articleAbstract=

A fuel supply pipe bracket of a passenger car broke during the whole vehicle's durability test on a rough road. This paper conducts an analysis of the working conditions, material, CAE strength and durability, fracture surface and appearance dimensions of the fuel supply pipe bracket after the test. The material analysis and CAE strength and durability analysis both meet the enterprise standards. The fracture form is determined to be fatigue fracture through fracture surface analysis, and the fracture originated from the R corner at the root of the stamped protrusion on the part surface. The cause of the fracture is determined to be stress concentration caused by the too small R corner during the stamping process through appearance and dimension and CAE analysis. By improving the structure and process parameters of the stamping die, the problem of the too small R corner at the root of the stamped protrusion on the part surface was solved, and the overall feature dimensions of the part were completely consistent with the design model. The improved bracket did not fail during the durability test on a rough road.

, authors=Qingjun Song, Guochen Li, Xinyu Sun, Qingsong Zhang, Guoyu Zhang, Donghong Gao, authorsList=Qingjun Song, Guochen Li, Xinyu Sun, Qingsong Zhang, Guoyu Zhang, Donghong Gao, 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=1309884496904810590, articleId=1309884496510546012, tenantId=1146029695717560320, journalId=1189873562199433220, language=CN, title=供油管路支架断裂分析与改进, columnId=1309884492207190065, journalTitle=汽车工艺与材料, columnName=汽车零部件失效分析技术专题, runingTitle=null, highlight=null, articleAbstract=

某乘用车供油管路支架在整车强化坏路耐久试验过程中发生断裂，针对试验后的供油管路支架进行工况分析、材质分析、计算机辅助工程（CAE）强度耐久分析、断口分析和外观尺寸分析，其中材质分析和CAE强度耐久分析结果均满足企业标准要求。通过断口分析确定了断裂形式为疲劳断裂，断口起源于零件表面冲压凸台根部圆角（R角）处。通过外观尺寸分析和CAE分析确定了该断裂为冲压过程R角过小导致产生应力集中所致。通过改进冲压模具结构和工艺参数，解决了零件表面冲压凸台根部R角过小的问题，使零件整体特征尺寸与设计数模完全一致，改进后的支架经强化坏路耐久试验后未发生断裂失效。

, authors=宋庆军, 李国臣, 孙鑫雨, 张青松, 张国禹, 高东宏, authorsList=宋庆军, 李国臣, 孙鑫雨, 张青松, 张国禹, 高东宏, authorCompany=null, correspAuthors=null, authorNote=, correspAuthorsNote=null, copyrightStatement=null, copyrightOwner=null, extLink=null, articleAbsUrl=null, sourceXml=eEW0/DvnkfkgySfEFGOTQQ==, magXml=X84QRJhDhjbfKo3pjTShgw==, pdfUrl=null, pdf=VYvMKzYUMdeG+fNZqXC1Tg==, pdfFileSize=1782941, pdfExtLink=null, richHtmlUrl=null, mobilePdfUrl=null, reviewReport=null, pdfFirstPage=null, abstractGraph=null, abstractGraphContent=null, abstractVideo=null, citation=null, cebUrl=null, magXmlContent=OoolveAK3LVVM5Ar6Xe09Q==, mapNumber=null, fund=null)}, authors=[Author(id=1309884497181634659, tenantId=1146029695717560320, journalId=1189873562199433220, articleId=1309884496510546012, orderNo=0, firstName=null, middleName=null, lastName=null, nameCn=null, orcid=null, stid=null, country=null, authorPic=null, dead=0, email=null, emailSecond=null, emailThird=null, correspondingAuthor=0, authorType=1, ext={EN=AuthorExt(id=1309884497269715045, tenantId=1146029695717560320, journalId=1189873562199433220, articleId=1309884496510546012, authorId=1309884497181634659, language=EN, stringName=Qingjun Song, firstName=Qingjun, middleName=null, lastName=Song, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=null, address=Global R&D Center, China FAW Corporation Limited, Changchun 130013, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null), CN=AuthorExt(id=1309884497345212518, tenantId=1146029695717560320, journalId=1189873562199433220, articleId=1309884496510546012, authorId=1309884497181634659, language=CN, stringName=宋庆军, firstName=null, middleName=null, lastName=null, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=null, address=中国第一汽车股份有限公司研发总院，长春 130013, bio={"content":"

宋庆军（1989—），男，工程师，硕士学位，研究方向为金属材料技术。

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宋庆军（1989—），男，工程师，硕士学位，研究方向为金属材料技术。

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