Article(id=1319241570990281241, tenantId=1146029695717560320, journalId=1185652524569653253, issueId=1319241534780850989, articleNumber=null, orderNo=null, doi=10.13647/j.cnki.btgkj.2020.05.020, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1588780800000, receivedDateStr=2020-05-07, revisedDate=null, revisedDateStr=null, acceptedDate=null, acceptedDateStr=null, onlineDate=1792461300846, onlineDateStr=2026-10-20, pubDate=1603555200000, pubDateStr=2020-10-25, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1792461300846, onlineIssueDateStr=2026-10-20, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1792461300846, creator=13701087609, updateTime=1792461300846, updator=13701087609, issue=Issue{id=1319241534780850989, tenantId=1146029695717560320, journalId=1185652524569653253, year='2020', volume='46', issue='5', pageStart='1', pageEnd='98', issueExtLink='null', onlineDate='null', pubDate='1603555200000', pubDateStr='2020-10-25', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1792461292214, creator='13701087609', updateTime=1792735090943, updator='13701087609', preIssue=null, nextIssue=null, articleTotal=null, ext={EN=IssueExt(id=1320389929964778289, tenantId=1146029695717560320, journalId=1185652524569653253, issueId=1319241534780850989, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1320389929964778290, tenantId=1146029695717560320, journalId=1185652524569653253, issueId=1319241534780850989, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null, downloadFileDto=null}, startPage=68, endPage=71, ext={EN=ArticleExt(id=1319241571170636314, articleId=1319241570990281241, tenantId=1146029695717560320, journalId=1185652524569653253, language=EN, title=Study on Influences of Ce on Thermoplasticity of Q355B Billet Section, columnId=1187340471245357385, journalTitle=Science & Technology of Baotou Steel, columnName=Quality of Variety and Experiment and Research, runingTitle=null, highlight=null, articleAbstract=

It is found that the main cause for surface defect of billet is low straightening temperature aiming at the problem that the surface crack rate of Q355B casting blank produced with the 280 mm × 380 mm billet and 5# casting machine of Baotou Steel is higher through studying the correlation between straightening temperature of billet and surface cracks. The high temperature thermoplasticity of steel could be changed by adding trace Ce element so that the probability of surface cracks for billet is greatly reduced within the straightening temperature range of 850~950 ℃.

, authors=Jun Zhu1, 2, Ji-chun Yang1, Hong Cui2, authorsList=Jun Zhu, Ji-chun Yang, Hong Cui, 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=1319241571380351515, articleId=1319241570990281241, tenantId=1146029695717560320, journalId=1185652524569653253, language=CN, title=Ce对Q355B方坯断面热塑性影响, columnId=1185887584472417142, journalTitle=包钢科技, columnName=品种质量与试验研究, runingTitle=null, highlight=null, articleAbstract=

针对包钢5#铸机280 mm × 380 mm方坯生产的Q355B铸坯表面裂纹比率较高的问题,对铸坯矫直温度与表面裂纹相关性进行研究,得出矫直温度低是铸坯表面缺陷的主要原因;在钢中添加微量Ce元素,可改变钢的高温热塑性,在850~950 ℃矫直温度范围内,大幅度降低了铸坯出现表面裂纹的几率。

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朱君(1987-),男,内蒙古包头市人,在读博士,工程师,主要从事钢铁冶金技术工作。

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朱君(1987-),男,内蒙古包头市人,在读博士,工程师,主要从事钢铁冶金技术工作。

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Ce对Q355B方坯断面热塑性影响
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朱君 1, 2 , 杨吉春 1 , 崔弘 2
包钢科技 | 品种质量与试验研究 2020,46(5): 68-71
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包钢科技 |品种质量与试验研究 2020 , 46 (5) : 68 -71
Ce对Q355B方坯断面热塑性影响
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朱君1, 2, 杨吉春1, 崔弘2
作者信息
  • 1.内蒙古科技大学材料与冶金学院,内蒙古 包头 014010
  • 2.内蒙古包钢钢联股份有限公司炼钢厂,内蒙古 包头 014010
作者简介:

朱君(1987-),男,内蒙古包头市人,在读博士,工程师,主要从事钢铁冶金技术工作。

Study on Influences of Ce on Thermoplasticity of Q355B Billet Section
Jun Zhu1, 2, Ji-chun Yang1, Hong Cui2
Affiliations
  • 1.School of Materials and Metallurgy, Inner Mongolia University of Science and Technology, Baotou 014010, Inner Mongolia Autonomous Region, China
  • 2.Steel-making Plant of Inner Mongolia Baotou Steel Union Co., Ltd., Baotou 014010, Inner Mongolia Autonomous Region, China
出版时间: 2020-10-25 doi: 10.13647/j.cnki.btgkj.2020.05.020
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针对包钢5#铸机280 mm × 380 mm方坯生产的Q355B铸坯表面裂纹比率较高的问题,对铸坯矫直温度与表面裂纹相关性进行研究,得出矫直温度低是铸坯表面缺陷的主要原因;在钢中添加微量Ce元素,可改变钢的高温热塑性,在850~950 ℃矫直温度范围内,大幅度降低了铸坯出现表面裂纹的几率。

稀土Ce  /  Q355B  /  高温热塑性

It is found that the main cause for surface defect of billet is low straightening temperature aiming at the problem that the surface crack rate of Q355B casting blank produced with the 280 mm × 380 mm billet and 5# casting machine of Baotou Steel is higher through studying the correlation between straightening temperature of billet and surface cracks. The high temperature thermoplasticity of steel could be changed by adding trace Ce element so that the probability of surface cracks for billet is greatly reduced within the straightening temperature range of 850~950 ℃.

rare earth Ce  /  Q355B  /  high temperature thermoplasticity
朱君, 杨吉春, 崔弘. Ce对Q355B方坯断面热塑性影响. 包钢科技, 2020 , 46 (5) : 68 -71 . DOI: 10.13647/j.cnki.btgkj.2020.05.020
Jun Zhu, Ji-chun Yang, Hong Cui. Study on Influences of Ce on Thermoplasticity of Q355B Billet Section[J]. Science & Technology of Baotou Steel, 2020 , 46 (5) : 68 -71 . DOI: 10.13647/j.cnki.btgkj.2020.05.020

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doi: 10.13647/j.cnki.btgkj.2020.05.020
  • 接收时间:2020-05-07
  • 首发时间:2026-10-20
  • 出版时间:2020-10-25
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  • 收稿日期:2020-05-07
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    1.内蒙古科技大学材料与冶金学院,内蒙古 包头 014010
    2.内蒙古包钢钢联股份有限公司炼钢厂,内蒙古 包头 014010
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2种不同金属材料的力学参数
科
Family
属数
Number of
genus
种数
Number of
species
占总种数比例
Percentage of
total species (%)
属
Genus
种数
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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