Article(id=1319263401176576320, tenantId=1146029695717560320, journalId=1185652524569653253, issueId=1319263322806014330, articleNumber=null, orderNo=null, doi=10.13647/j.cnki.btgkj.2018.01.019, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1516809600000, receivedDateStr=2018-01-25, revisedDate=null, revisedDateStr=null, acceptedDate=null, acceptedDateStr=null, onlineDate=1792466505568, onlineDateStr=2026-10-20, pubDate=1519488000000, pubDateStr=2018-02-25, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1792466505568, onlineIssueDateStr=2026-10-20, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1792466505568, creator=13701087609, updateTime=1792466505568, updator=13701087609, issue=Issue{id=1319263322806014330, tenantId=1146029695717560320, journalId=1185652524569653253, year='2018', volume='44', issue='1', pageStart='1', pageEnd='98', issueExtLink='null', onlineDate='null', pubDate='1519488000000', pubDateStr='2018-02-25', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1792466486884, creator='13701087609', updateTime=1792467566463, updator='13701087609', preIssue=null, nextIssue=null, articleTotal=null, ext={EN=IssueExt(id=1319267850951438726, tenantId=1146029695717560320, journalId=1185652524569653253, issueId=1319263322806014330, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1319267850955633031, tenantId=1146029695717560320, journalId=1185652524569653253, issueId=1319263322806014330, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null, downloadFileDto=null}, startPage=58, endPage=61, ext={EN=ArticleExt(id=1319263401365320001, articleId=1319263401176576320, tenantId=1146029695717560320, journalId=1185652524569653253, language=EN, title=Analysis on the Cause of Drawing Brittle Fracture for ER70S-6 Welding Wire Steel, columnId=1319263323493880187, journalTitle=Science & Technology of Baotou Steel, columnName=Product Development and Technology, runingTitle=null, highlight=null, articleAbstract=

The cold drawing of ER70S-6 welding wire steel is from Φ5.5 mm to Φ1.2 mm, and the brittle fracture occurs when drawing to Φ1.3 mm, and all fractures are pencil-tip shaped. Through the test and analysis of metallographic, chemical composition, mechanical properties and scanning electron microscope, the main cause of brittle fracture is the hard massive martensite produced by the composition segregation and the excessive cooling rate during the rolling process. In the process of drawing, hard massive martensitic structure does not change with the deformation of the matrix and produces a large number of cracks around it, and brittle fracture occurs when the deformation is large.

, authors=Feng GAO, Sha-sha KOU, Ya-nan WANG, Li LIU, authorsList=Feng GAO, Sha-sha KOU, Ya-nan WANG, Li LIU, 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=1319263401583423810, articleId=1319263401176576320, tenantId=1146029695717560320, journalId=1185652524569653253, language=CN, title=ER70S-6焊丝钢拉拔脆断原因分析, columnId=1319263323665846653, journalTitle=包钢科技, columnName=产品研发与工艺技术, runingTitle=null, highlight=null, articleAbstract=

ER70S-6焊丝钢自Φ5.5 mm预冷拔至Φ1.2 mm,在拔至Φ1.3 mm时出现脆断现象,其中脆断部分均为笔尖状断口。通过金相、化学成分、力学性能及扫描电镜检测分析,焊丝钢脆断的主要原因是成分偏析及轧制过程中冷速过快造成硬质块状马氏体的产生,硬质块状马氏体组织在拉拔过程中因不随基体变形在其周围产生大量裂纹,变形较大时发生脆断。

, authors=高峰, 寇沙沙, 王亚男, 刘莉, authorsList=高峰, 寇沙沙, 王亚男, 刘莉, authorCompany=null, correspAuthors=null, authorNote=

高峰(1984-),男,内蒙古包头市人,硕士,工程师,现从事金属材料检测工作。

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高峰(1984-),男,内蒙古包头市人,硕士,工程师,现从事金属材料检测工作。

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高峰(1984-),男,内蒙古包头市人,硕士,工程师,现从事金属材料检测工作。

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ER70S-6焊丝钢拉拔脆断原因分析
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高峰 , 寇沙沙 , 王亚男 , 刘莉
包钢科技 | 产品研发与工艺技术 2018,44(1): 58-61
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包钢科技 |产品研发与工艺技术 2018 , 44 (1) : 58 -61
ER70S-6焊丝钢拉拔脆断原因分析
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高峰, 寇沙沙, 王亚男, 刘莉
作者信息
  • 内蒙古包钢钢联股份有限公司技术中心,内蒙古 包头 014010
作者简介:

高峰(1984-),男,内蒙古包头市人,硕士,工程师,现从事金属材料检测工作。

Analysis on the Cause of Drawing Brittle Fracture for ER70S-6 Welding Wire Steel
Feng GAO, Sha-sha KOU, Ya-nan WANG, Li LIU
Affiliations
  • Technical Center of Inner Mongolia Steel Union Co. Ltd. of Baotou Steel (Group) Corp., Baotou 014010, Nei Monggol, China
出版时间: 2018-02-25 doi: 10.13647/j.cnki.btgkj.2018.01.019
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ER70S-6焊丝钢自Φ5.5 mm预冷拔至Φ1.2 mm,在拔至Φ1.3 mm时出现脆断现象,其中脆断部分均为笔尖状断口。通过金相、化学成分、力学性能及扫描电镜检测分析,焊丝钢脆断的主要原因是成分偏析及轧制过程中冷速过快造成硬质块状马氏体的产生,硬质块状马氏体组织在拉拔过程中因不随基体变形在其周围产生大量裂纹,变形较大时发生脆断。

焊丝钢  /  脆性断裂  /  硬质马氏体  /  笔尖状断口

The cold drawing of ER70S-6 welding wire steel is from Φ5.5 mm to Φ1.2 mm, and the brittle fracture occurs when drawing to Φ1.3 mm, and all fractures are pencil-tip shaped. Through the test and analysis of metallographic, chemical composition, mechanical properties and scanning electron microscope, the main cause of brittle fracture is the hard massive martensite produced by the composition segregation and the excessive cooling rate during the rolling process. In the process of drawing, hard massive martensitic structure does not change with the deformation of the matrix and produces a large number of cracks around it, and brittle fracture occurs when the deformation is large.

welding wire steel  /  brittle fracture  /  hard martensite  /  pencil-tip fracture
高峰, 寇沙沙, 王亚男, 刘莉. ER70S-6焊丝钢拉拔脆断原因分析. 包钢科技, 2018 , 44 (1) : 58 -61 . DOI: 10.13647/j.cnki.btgkj.2018.01.019
Feng GAO, Sha-sha KOU, Ya-nan WANG, Li LIU. Analysis on the Cause of Drawing Brittle Fracture for ER70S-6 Welding Wire Steel[J]. Science & Technology of Baotou Steel, 2018 , 44 (1) : 58 -61 . DOI: 10.13647/j.cnki.btgkj.2018.01.019

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doi: 10.13647/j.cnki.btgkj.2018.01.019
  • 接收时间:2018-01-25
  • 首发时间:2026-10-20
  • 出版时间:2018-02-25
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    内蒙古包钢钢联股份有限公司技术中心,内蒙古 包头 014010
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Number of
species
占总种数比例
Percentage of total
species (%)
鹅膏菌科Amanitaceae 2 11 5.26 鹅膏菌属 Amanita 10 4.78
小菇科 Mycenaceae 2 12 5.74 丝盖伞属 Inocybe 5 2.39
多孔菌科 Polyporaceae 8 14 6.70 蜡蘑属 Laccaria 5 2.39
红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87
小菇属 Mycena 11 5.26
光柄菇属 Pluteus 5 2.39
红菇属 Russula 17 8.13
栓菌属 Trametes 5 2.39
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