Article(id=1201193879933513824, tenantId=1146029695717560320, journalId=1185652524569653253, issueId=1201193876590654455, articleNumber=1009-5438(2025)04-0025-05, orderNo=null, doi=null, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=research-article, receivedDate=1732550400000, receivedDateStr=2024-11-26, revisedDate=null, revisedDateStr=null, acceptedDate=null, acceptedDateStr=null, onlineDate=1764316538079, onlineDateStr=2025-11-28, pubDate=1756051200000, pubDateStr=2025-08-25, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1764316538079, onlineIssueDateStr=2025-11-28, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1764316538079, creator=13701087609, updateTime=1764316538079, updator=13701087609, issue=Issue{id=1201193876590654455, tenantId=1146029695717560320, journalId=1185652524569653253, year='2025', volume='51', issue='4', pageStart='1', pageEnd='98', issueExtLink='null', onlineDate='null', pubDate='1756051200000', pubDateStr='2025-08-25', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1764316537282, creator='13701087609', updateTime=1764316948844, updator='13701087609', preIssue=null, nextIssue=null, articleTotal=null, ext={EN=IssueExt(id=1201195602878100389, tenantId=1146029695717560320, journalId=1185652524569653253, issueId=1201193876590654455, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1201195602878100390, tenantId=1146029695717560320, journalId=1185652524569653253, issueId=1201193876590654455, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null, downloadFileDto=null}, startPage=25, endPage=29, ext={EN=ArticleExt(id=1201193880243892345, articleId=1201193879933513824, tenantId=1146029695717560320, journalId=1185652524569653253, language=EN, title=Cause Analysis on Alarm of Flaw Detection for PZ100 Grade Expansion Pipe, columnId=1187100781414069182, journalTitle=Science & Technology of Baotou Steel, columnName=Production Practices and Management, runingTitle=null, highlight=null, articleAbstract=

There is alarm signal in the ultrasonic flaw detection of PZ100 grade expansion pipe. The detected defects those trigger alarm signal are found through cutting open the area where there is alarm on pipe body. The defects of alarm of flaw detection are determined to be big inclusions of aluminium oxides with main components of O, Al, Mg and Ca through such methods as microstructure observation and scanning electron microscope energy spectrum analysis. The continuity of matrix for PZ100 grade expansion pipe is destroyed by cinder inclusions under surface of pipe and interlayer is formed, so cracks are formed under the action of rolling force so that flaw detector is alarmed. The product quality of PZ100 grade expansion pipe is ensured by strictly implementing technological operation regulation as well as strengthening macroscopic examination of steel billet and detection of inclusions of finished product.

, authors=null, authorsList=Shasha Kou, Yan Jin, Zhili Li, Wenya Li, Miao Wei, Rongbiao Lang, 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=1201193882143912174, articleId=1201193879933513824, tenantId=1146029695717560320, journalId=1185652524569653253, language=CN, title=PZ100钢级膨胀管探伤报警原因分析, columnId=1185882039552193444, journalTitle=包钢科技, columnName=生产实践与管理, runingTitle=null, highlight=null, articleAbstract=

PZ100钢级膨胀管在超声波探伤检查中出现报警信号。通过解剖管体报警区域,找到触发报警信号的探伤缺陷。通过显微组织观察、扫描电镜能谱分析等方法,确定成分主要为O、Al、Mg、Ca的氧化铝类大型夹杂物为探伤报警缺陷。皮下夹渣破坏PZ100钢级膨胀管基体的连续性,形成夹层,在轧制力的作用下形成裂纹,导致探伤报警。严格执行工艺操作规程,加强钢坯低倍检验和成品夹杂物检测,确保PZ100钢级膨胀管产品质量。

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寇沙沙(1984-),女,山东省淄博市人,硕士,高级工程师,现从事钢铁材料失效分析工作。

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寇沙沙(1984-),女,山东省淄博市人,硕士,高级工程师,现从事钢铁材料失效分析工作。

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