Article(id=1319244175304929653, tenantId=1146029695717560320, journalId=1185652524569653253, issueId=1319244165146334149, articleNumber=null, orderNo=null, doi=10.13647/j.cnki.btgkj.2021.02.001, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1611504000000, receivedDateStr=2021-01-25, revisedDate=null, revisedDateStr=null, acceptedDate=null, acceptedDateStr=null, onlineDate=1792461921763, onlineDateStr=2026-10-20, pubDate=1619280000000, pubDateStr=2021-04-25, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1792461921763, onlineIssueDateStr=2026-10-20, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1792461921763, creator=13701087609, updateTime=1792461921763, updator=13701087609, issue=Issue{id=1319244165146334149, tenantId=1146029695717560320, journalId=1185652524569653253, year='2021', volume='47', issue='2', pageStart='1', pageEnd='98', issueExtLink='null', onlineDate='null', pubDate='1619280000000', pubDateStr='2021-04-25', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1792461919342, creator='13701087609', updateTime=1792735329265, updator='13701087609', preIssue=null, nextIssue=null, articleTotal=null, ext={EN=IssueExt(id=1320390929563890593, tenantId=1146029695717560320, journalId=1185652524569653253, issueId=1319244165146334149, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1320390929563890594, tenantId=1146029695717560320, journalId=1185652524569653253, issueId=1319244165146334149, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null, downloadFileDto=null}, startPage=1, endPage=5, ext={EN=ArticleExt(id=1319244175632085366, articleId=1319244175304929653, tenantId=1146029695717560320, journalId=1185652524569653253, language=EN, title=Study on On-line Heat Treatment Technology of U76CrRE Rail, columnId=1187100783049851249, journalTitle=Science & Technology of Baotou Steel, columnName=Expert Forum, runingTitle=null, highlight=null, articleAbstract=

The microstructure and properties of second generation on-line heat-treated U76CrRE rail with rare earth are stable through optimizing the smelting composition of billet and on-line heat treatment technology of rail during the process of its industrial trial production and research and development. The test results showed that its tensile strength could reach 1 280 MPa, elongation was greater than 10%, tread hardness (HBW) could reach 370~420 and there was no abnormal structure.

, authors=Lin Chen1, Da mu ren zha-bu1, Yong-ming Wang2, Yong-chao Chen1, Zhi-li Li2, authorsList=Lin Chen, Da mu ren zha-bu, Yong-ming Wang, Yong-chao Chen, Zhi-li Li, 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=1319244175875354999, articleId=1319244175304929653, tenantId=1146029695717560320, journalId=1185652524569653253, language=CN, title=U76CrRE钢轨在线热处理工艺研究, columnId=1185887584006844505, journalTitle=包钢科技, columnName=专家论坛, runingTitle=null, highlight=null, articleAbstract=

在U76CrRE稀土二代在线热处理轨工业试制研发过程中,通过对钢坯熔炼成分及钢轨在线热处理工艺的优化,热处理后钢轨通长组织、性能稳定。检验结果表明,U76CrRE稀土二代钢轨热处理后的抗拉强度达到1 280 MPa,延伸率大于10%,踏面硬度(HBW)达到370~420,无异常组织。

, authors=陈琳1, 达木仁扎布1, 王永明2, 陈永超1, 李智丽2, authorsList=陈琳, 达木仁扎布, 王永明, 陈永超, 李智丽, authorCompany=null, correspAuthors=null, authorNote=

陈琳(1971-),男,内蒙古乌兰察布市人,高级工程师,现从事钢轨生产管理工作。

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陈琳(1971-),男,内蒙古乌兰察布市人,高级工程师,现从事钢轨生产管理工作。

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陈琳(1971-),男,内蒙古乌兰察布市人,高级工程师,现从事钢轨生产管理工作。

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U76CrRE钢轨在线热处理工艺研究
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陈琳 1 , 达木仁扎布 1 , 王永明 2 , 陈永超 1 , 李智丽 2
包钢科技 | 专家论坛 2021,47(2): 1-5
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包钢科技 |专家论坛 2021 , 47 (2) : 1 -5
U76CrRE钢轨在线热处理工艺研究
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陈琳1, 达木仁扎布1, 王永明2, 陈永超1, 李智丽2
作者信息
  • 1.内蒙古包钢钢联股份有限公司轨梁轧钢厂,内蒙古 包头 014010
  • 2.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:

陈琳(1971-),男,内蒙古乌兰察布市人,高级工程师,现从事钢轨生产管理工作。

Study on On-line Heat Treatment Technology of U76CrRE Rail
Lin Chen1, Da mu ren zha-bu1, Yong-ming Wang2, Yong-chao Chen1, Zhi-li Li2
Affiliations
  • 1.Rail and Beam Steel Rolling Plant of Inner Mongolia Baotou Steel Union Co., Ltd., Baotou 014010, Inner Mongolia Autonomous Region, China
  • 2.Technical Center of Inner Mongolia Baotou Steel Union Co., Ltd., Baotou 014010, Inner Mongolia Autonomous Region, China
出版时间: 2021-04-25 doi: 10.13647/j.cnki.btgkj.2021.02.001
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在U76CrRE稀土二代在线热处理轨工业试制研发过程中,通过对钢坯熔炼成分及钢轨在线热处理工艺的优化,热处理后钢轨通长组织、性能稳定。检验结果表明,U76CrRE稀土二代钢轨热处理后的抗拉强度达到1 280 MPa,延伸率大于10%,踏面硬度(HBW)达到370~420,无异常组织。

钢轨  /  热处理  /  组织  /  性能

The microstructure and properties of second generation on-line heat-treated U76CrRE rail with rare earth are stable through optimizing the smelting composition of billet and on-line heat treatment technology of rail during the process of its industrial trial production and research and development. The test results showed that its tensile strength could reach 1 280 MPa, elongation was greater than 10%, tread hardness (HBW) could reach 370~420 and there was no abnormal structure.

rail  /  heat treatment  /  microstructure  /  properties
陈琳, 达木仁扎布, 王永明, 陈永超, 李智丽. U76CrRE钢轨在线热处理工艺研究. 包钢科技, 2021 , 47 (2) : 1 -5 . DOI: 10.13647/j.cnki.btgkj.2021.02.001
Lin Chen, Da mu ren zha-bu, Yong-ming Wang, Yong-chao Chen, Zhi-li Li. Study on On-line Heat Treatment Technology of U76CrRE Rail[J]. Science & Technology of Baotou Steel, 2021 , 47 (2) : 1 -5 . DOI: 10.13647/j.cnki.btgkj.2021.02.001

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doi: 10.13647/j.cnki.btgkj.2021.02.001
  • 接收时间:2021-01-25
  • 首发时间:2026-10-20
  • 出版时间:2021-04-25
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  • 收稿日期:2021-01-25
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    1.内蒙古包钢钢联股份有限公司轨梁轧钢厂,内蒙古 包头 014010
    2.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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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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