Article(id=1319265240529875834, tenantId=1146029695717560320, journalId=1185652524569653253, issueId=1319265205272560553, articleNumber=null, orderNo=null, doi=10.13647/j.cnki.btgkj.2018.02.019, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1518278400000, receivedDateStr=2018-02-11, revisedDate=null, revisedDateStr=null, acceptedDate=null, acceptedDateStr=null, onlineDate=1792466944104, onlineDateStr=2026-10-20, pubDate=1524585600000, pubDateStr=2018-04-25, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1792466944104, onlineIssueDateStr=2026-10-20, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1792466944104, creator=13701087609, updateTime=1792466944104, updator=13701087609, issue=Issue{id=1319265205272560553, tenantId=1146029695717560320, journalId=1185652524569653253, year='2018', volume='44', issue='2', pageStart='1', pageEnd='98', issueExtLink='null', onlineDate='null', pubDate='1524585600000', pubDateStr='2018-04-25', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1792466935699, creator='13701087609', updateTime=1792467582596, updator='13701087609', preIssue=null, nextIssue=null, articleTotal=null, ext={EN=IssueExt(id=1319267918781723043, tenantId=1146029695717560320, journalId=1185652524569653253, issueId=1319265205272560553, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1319267918781723044, tenantId=1146029695717560320, journalId=1185652524569653253, issueId=1319265205272560553, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null, downloadFileDto=null}, startPage=69, endPage=72, ext={EN=ArticleExt(id=1319265240714425211, articleId=1319265240529875834, tenantId=1146029695717560320, journalId=1185652524569653253, language=EN, title=Analysis on the Cause for Stamping Crack of SAPH440 Steel Plate, columnId=1187340471245357385, journalTitle=Science & Technology of Baotou Steel, columnName=Quality of Variety and Experiment and Research, runingTitle=null, highlight=null, articleAbstract=

Metallographic microscope and scanning electron microscope are used to analyze the SAPH440 stamping cracked steel plate. The analysis results show that the existence of segregated band of mixed crystal and pearlite in the steel plate and the combined action of precipitation of cementite at the grain boundary cause the crack of steel plate during stamping.

, authors=Li LIU, Sha-sha KOU, authorsList=Li LIU, Sha-sha KOU, 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=1319265240966083452, articleId=1319265240529875834, tenantId=1146029695717560320, journalId=1185652524569653253, language=CN, title=SAPH440钢板冲压开裂原因分析, columnId=1185887584472417142, journalTitle=包钢科技, columnName=品种质量与试验研究, runingTitle=null, highlight=null, articleAbstract=

利用金相显微镜、扫描电镜对SAPH440冲压开裂钢板进行分析，分析结果表明，钢板中混晶及珠光体偏析带的存在，加上晶界上析出渗碳体的共同作用导致钢板在冲压时发生开裂。

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刘莉（1967－），女，内蒙古包头市人，工程师，现从事物理检测及金属材料失效分析工作。

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刘莉（1967－），女，内蒙古包头市人，工程师，现从事物理检测及金属材料失效分析工作。

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