Article(id=1309884497466843514, tenantId=1146029695717560320, journalId=1189873562199433220, issueId=1309884491208945711, articleNumber=null, orderNo=null, doi=10.19710/J.cnki.1003-8817.20250334, 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=1790230400673, onlineDateStr=2026-09-24, pubDate=1789833600000, pubDateStr=2026-09-20, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1790230400673, onlineIssueDateStr=2026-09-24, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1790230400673, creator=13701087609, updateTime=1790230400673, 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=30, endPage=35, ext={EN=ArticleExt(id=1309884497647198587, articleId=1309884497466843514, tenantId=1146029695717560320, journalId=1189873562199433220, language=EN, title=Fracture Cause Analysis and Improvement Measures of the Heavy Vehicle Forged Journal, columnId=null, journalTitle=Automobile Technology & Material, columnName=null, runingTitle=null, highlight=null, articleAbstract=

To address the forged jourral fracfure of a mcdium-and-heary-duty vehicle, by analyzing the macro and micro morphology of the fracture of the forged journal, it is determined that the source of the crack is located in the center of the neck journal, and the crack spreads from inside to outside. It is judged that the crack is the thermal stress type cracking appearing in the quenching process, and the component segregation of raw materials also plays a certain role in promoting the cracking of the neck journal. The risk of quenching thermal stress cracking caused by excessive neck journal section size is reduced by the process adjustment of the neck position of the forged journal shaft: interior hole first and then tempering treatment, and the influence of the segregation of the core components of the neck journal on cracking is eliminated at the same time. By optimizing and adjusting the production process of forged journal, the risk of quenching crack is reduced and the reliability of the product is improved.

, authors=Mingxue He, Xiangpeng Wang, Wanting Zhang, Ning Wu, Changliang Han, Dezhi Zou, authorsList=Mingxue He, Xiangpeng Wang, Wanting Zhang, Ning Wu, Changliang Han, Dezhi Zou, 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=1309884497965965692, articleId=1309884497466843514, tenantId=1146029695717560320, journalId=1189873562199433220, language=CN, title=中重型商用车锻造轴颈断裂原因分析及改进措施, 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=

针对某中重型商用车锻造轴颈断裂问题，依据锻造轴颈断口宏观及微观形貌分析，确定了锻造轴颈裂纹源位于轴颈心部，裂纹由内向外扩展，为淬火工艺过程中出现的热应力型开裂，且原材料的成分偏析对轴颈开裂有一定促进作用。通过对轴颈部位进行工艺调整，先加工内孔再进行调质处理，降低了由于轴颈截面尺寸过大引起淬火热应力开裂的风险，同时消除了轴颈心部成分偏析对开裂的影响。生产工艺的优化降低了产生淬火裂纹的风险、提升了产品可靠性。

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何铭雪（1997—），女，工程师，学士学位，研究方向为金属材料应用及开发。

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何铭雪（1997—），女，工程师，学士学位，研究方向为金属材料应用及开发。

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