Article(id=1185887589883069365, tenantId=1146029695717560320, journalId=1185652524569653253, issueId=1185882038939825058, articleNumber=1009-5438(2025)03-0043-07, orderNo=null, doi=null, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1740844800000, receivedDateStr=2025-03-02, revisedDate=null, revisedDateStr=null, acceptedDate=null, acceptedDateStr=null, onlineDate=1760667234153, onlineDateStr=2025-10-17, pubDate=1750780800000, pubDateStr=2025-06-25, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1760667234153, onlineIssueDateStr=2025-10-17, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1760667234153, creator=13701087609, updateTime=1760667234153, updator=13701087609, issue=Issue{id=1185882038939825058, tenantId=1146029695717560320, journalId=1185652524569653253, year='2025', volume='51', issue='3', pageStart='1', pageEnd='98', issueExtLink='null', onlineDate='null', pubDate='1750780800000', pubDateStr='2025-06-25', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=0, createTime=1760665910706, creator='13701087609', updateTime=1764316917348, updator='13701087609', preIssue=null, nextIssue=null, articleTotal=null, ext={EN=IssueExt(id=1201195470770102709, tenantId=1146029695717560320, journalId=1185652524569653253, issueId=1185882038939825058, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1201195470770102710, tenantId=1146029695717560320, journalId=1185652524569653253, issueId=1185882038939825058, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null, downloadFileDto=null}, startPage=43, endPage=49, ext={EN=ArticleExt(id=1187122783357121345, articleId=1185887589883069365, tenantId=1146029695717560320, journalId=1185652524569653253, language=EN, title=Impacts of Different Tempering Temperatures on Microstructure and Properties of High-strength Heat-treated Rail, columnId=1187095652984042303, journalTitle=Science & Technology of Baotou Steel, columnName=Variety Quality and Experimental Study, runingTitle=null, highlight=null, articleAbstract=
In this paper, two types of online as-heat-treated pearlite rails are tempered. The optimal tempering process of two types of high-strength heat-treated rail is obtained based on the changes of mechanical properties and microstructure for the rails under different tempering temperatures. The results showed that the comprehensive mechanical properties of rail could be improved by low temperature tempering within the range of 200~350 ℃. With the increase of tempering temperature, residual stress of rail web tends to be decreased. The residual stresses of rail web for the two types of rail are 45 MPa and 32 MPa respectively with tempering at 350 ℃, which are decreased by 63.4% and 80.6% compared with those before tempering. The hardness, toughness and plasticity of tempered rail are improved with the increase of tempering temperature. The hardness is significantly increased with the improvement of plasticity and toughness. The tread hardness (HBW) of rail is increased by 13 and 8 respectively with tempering at 350 ℃ as well as the tempered rail is still with typical perlite structrure.
, authors=null, authorsList=Ke Zhou, Fengming Zhang, Hudong Xue, Ying Bian, Haoran Wen, Yongbo Zhang, 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=1185887768707219750, articleId=1185887589883069365, tenantId=1146029695717560320, journalId=1185652524569653253, language=CN, title=不同回火温度对高强热处理钢轨组织性能影响, columnId=1185887584472417142, journalTitle=包钢科技, columnName=品种质量与试验研究, runingTitle=null, highlight=null, articleAbstract=文章对两种在线热处理态珠光体钢轨进行回火处理,根据不同回火温度下钢轨力学性能和显微组织变化,得到两种高强热处理钢轨最佳回火工艺。结果表明,在200~350 ℃范围内,低温回火可提高钢轨综合力学性能。随着回火温度的提高,轨腰残余应力呈下降的趋势,350 ℃回火处理,两种钢轨的轨腰残余应力分别为45 MPa和32 MPa,比回火前降低了63.4%和80.6%。回火态钢轨的硬度、韧性和塑性随着回火温度的升高而提高,在改善塑性和韧性的同时,硬度得到较大的提高。350 ℃回火处理使钢轨的踏面硬度(HBW)分别提高13和8。回火态钢轨仍具有典型的珠光体组织。, authors=
周 可(1995-),女,内蒙古包头市人,助理工程师,现从事钢轨新产品开发工作。
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周 可(1995-),女,内蒙古包头市人,助理工程师,现从事钢轨新产品开发工作。
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周 可(1995-),女,内蒙古包头市人,助理工程师,现从事钢轨新产品开发工作。
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2. Beijing Baotou Steel Technology Co., Ltd., Beijing 100083, China
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2.北京包钢钢铁技术有限公司,北京 100083
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回火前后钢轨轨头拉伸性能对比, figureFileSmall=V1pRsLcHyksEdMq15ozkzQ==, figureFileBig=O4ijNG2WWa/OKTeecw5U0w==, tableContent=null), ArticleFig(id=1187122971777839329, tenantId=1146029695717560320, journalId=1185652524569653253, articleId=1185887589883069365, language=EN, label=null, caption=null, figureFileSmall=s9TcCnZjJ2J558BPHurQOQ==, figureFileBig=CGdpmVFFvZvUmEvBR6hKAQ==, tableContent=null), ArticleFig(id=1187122971823976674, tenantId=1146029695717560320, journalId=1185652524569653253, articleId=1185887589883069365, language=CN, label=图2, caption=
回火态钢轨轨头冲击性能对比, figureFileSmall=s9TcCnZjJ2J558BPHurQOQ==, figureFileBig=CGdpmVFFvZvUmEvBR6hKAQ==, tableContent=null), ArticleFig(id=1187122971874308323, tenantId=1146029695717560320, journalId=1185652524569653253, articleId=1185887589883069365, language=EN, label=null, caption=null, figureFileSmall=criw8d8T43UaUSrPE7pvmw==, figureFileBig=DCAlEA7FAGqE+Y6yWcETCQ==, tableContent=null), ArticleFig(id=1187122971916251364, tenantId=1146029695717560320, journalId=1185652524569653253, articleId=1185887589883069365, language=CN, label=图3, caption=
回火态钢轨冲击断口SEM图(500×), figureFileSmall=criw8d8T43UaUSrPE7pvmw==, figureFileBig=DCAlEA7FAGqE+Y6yWcETCQ==, tableContent=null), ArticleFig(id=1187122971983360229, tenantId=1146029695717560320, journalId=1185652524569653253, articleId=1185887589883069365, language=EN, label=null, caption=null, figureFileSmall=o75wBQP2NAxu1DmmpNGD3g==, figureFileBig=8xk/3Wvdt/uh8j+TYe98EQ==, tableContent=null), ArticleFig(id=1187122972037886182, tenantId=1146029695717560320, journalId=1185652524569653253, articleId=1185887589883069365, language=CN, label=图4, caption=
回火前后轨头顶面中心线硬度对比, figureFileSmall=o75wBQP2NAxu1DmmpNGD3g==, figureFileBig=8xk/3Wvdt/uh8j+TYe98EQ==, tableContent=null), ArticleFig(id=1187122972100800743, tenantId=1146029695717560320, journalId=1185652524569653253, articleId=1185887589883069365, language=EN, label=null, caption=null, figureFileSmall=HoMfu0mVH2UqbFsoD9nzzA==, figureFileBig=CPJsoTns+AQKBsj1EulMYg==, tableContent=null), ArticleFig(id=1187122972163715304, tenantId=1146029695717560320, journalId=1185652524569653253, articleId=1185887589883069365, language=CN, label=图5, caption=
回火前后钢轨轨腰残余应力对比, figureFileSmall=HoMfu0mVH2UqbFsoD9nzzA==, figureFileBig=CPJsoTns+AQKBsj1EulMYg==, tableContent=null), ArticleFig(id=1187122972230824169, tenantId=1146029695717560320, journalId=1185652524569653253, articleId=1185887589883069365, language=EN, label=null, caption=null, figureFileSmall=KSOAHGtpwRcrNMDbkbCWEA==, figureFileBig=Uae8AjVtFE+61zqq5v3P1A==, tableContent=null), ArticleFig(id=1187122972314710250, tenantId=1146029695717560320, journalId=1185652524569653253, articleId=1185887589883069365, language=CN, label=图6, caption=
回火态钢轨轨腰珠光体组织, figureFileSmall=KSOAHGtpwRcrNMDbkbCWEA==, figureFileBig=Uae8AjVtFE+61zqq5v3P1A==, tableContent=null), ArticleFig(id=1187122972377624811, tenantId=1146029695717560320, journalId=1185652524569653253, articleId=1185887589883069365, language=EN, label=null, caption=null, figureFileSmall=II2dN88tnTcG/VGzvMdJPw==, figureFileBig=xcsG96PPCZd6baCFVIz7HA==, tableContent=null), ArticleFig(id=1187122972453122284, tenantId=1146029695717560320, journalId=1185652524569653253, articleId=1185887589883069365, language=CN, label=图7, caption=
回火态钢轨轨头、轨腰珠光体片间距均匀化对比, figureFileSmall=II2dN88tnTcG/VGzvMdJPw==, figureFileBig=xcsG96PPCZd6baCFVIz7HA==, tableContent=null), ArticleFig(id=1187122972511842541, tenantId=1146029695717560320, journalId=1185652524569653253, articleId=1185887589883069365, language=EN, label=null, caption=null, figureFileSmall=null, figureFileBig=null, tableContent=
| 钢轨 | C | Si | Mn | P | S |
| A | 0.70~0.82 | 0.13~0.60 | 0.65~1.25 | ≤0.025 | ≤0.030 |
| B | 0.80~1.00 | 0.20~0.80 | 0.80~1.30 | ≤0.020 | ≤0.020 |
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在线热处理态钢轨熔炼成分(质量分数) %
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| 钢轨 | C | Si | Mn | P | S |
| A | 0.70~0.82 | 0.13~0.60 | 0.65~1.25 | ≤0.025 | ≤0.030 |
| B | 0.80~1.00 | 0.20~0.80 | 0.80~1.30 | ≤0.020 | ≤0.020 |
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| 钢轨 | 抗拉强度Rm/MPa | | 伸长率A/% | | 轨腰残余应力/MPa |
| 测量值 | 要求 | 测量值 | 要求 | 测量值 | 要求 |
| A | 1 267 | ≥1 175 | | 12 | ≥9 | | +123 | |
| B | 1 385 | ≥1 300 | | 9 | ≥8 | | +165 | |
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在线热处理态钢轨轨头拉伸性能及轨腰残余应力
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| 钢轨 | 抗拉强度Rm/MPa | | 伸长率A/% | | 轨腰残余应力/MPa |
| 测量值 | 要求 | 测量值 | 要求 | 测量值 | 要求 |
| A | 1 267 | ≥1 175 | | 12 | ≥9 | | +123 | |
| B | 1 385 | ≥1 300 | | 9 | ≥8 | | +165 | |
), ArticleFig(id=1187122972784472305, tenantId=1146029695717560320, journalId=1185652524569653253, articleId=1185887589883069365, language=EN, label=null, caption=null, figureFileSmall=null, figureFileBig=null, tableContent=
| 钢轨 | 1 | 2 | 3 | 4 | 5 | 平均值 | 要求 |
| A | 354 | 359 | 359 | 361 | 366 | 360 | 350~390 |
| B | 403 | 403 | 403 | 404 | 404 | 403 | 390~440 |
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在线热处理态钢轨轨头顶面中心线硬度(HBW)
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| 钢轨 | 1 | 2 | 3 | 4 | 5 | 平均值 | 要求 |
| A | 354 | 359 | 359 | 361 | 366 | 360 | 350~390 |
| B | 403 | 403 | 403 | 404 | 404 | 403 | 390~440 |
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| 钢轨 | 编号 | 回火温度
/℃ | 加热时间
/min | 保温时间
/h | 冷却方式 |
| A | 1-1 | 200 | 10~20 | 6 | 空冷 |
| 1-2 | 280 | 10~20 | 6 | 空冷 |
| 1-3 | 350 | 10~20 | 6 | 空冷 |
| B | 2-1 | 200 | 10~20 | 6 | 空冷 |
| 2-2 | 280 | 10~20 | 6 | 空冷 |
| 2-3 | 350 | 10~20 | 6 | 空冷 |
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回火热处理方案
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| 钢轨 | 编号 | 回火温度
/℃ | 加热时间
/min | 保温时间
/h | 冷却方式 |
| A | 1-1 | 200 | 10~20 | 6 | 空冷 |
| 1-2 | 280 | 10~20 | 6 | 空冷 |
| 1-3 | 350 | 10~20 | 6 | 空冷 |
| B | 2-1 | 200 | 10~20 | 6 | 空冷 |
| 2-2 | 280 | 10~20 | 6 | 空冷 |
| 2-3 | 350 | 10~20 | 6 | 空冷 |
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| 钢轨 | 编号 | 抗拉强度Rm/MPa | 屈服强度Rp0.2/MPa | 屈强比 | 伸长率A/% | 面缩率Z/% |
| A | 1-1 | 1 270 | 906 | 0.71 | 14 | 35 |
| 1-2 | 1 274 | 865 | 0.68 | 14 | 34 |
| 1-3 | 1 293 | 924 | 0.71 | 15 | 33 |
| B | 2-1 | 1 421 | 961 | 0.68 | 10 | 21 |
| 2-2 | 1 437 | 956 | 0.67 | 10 | 21 |
| 2-3 | 1 443 | 965 | 0.67 | 11 | 20 |
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回火态钢轨轨头拉伸性能
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| 钢轨 | 编号 | 抗拉强度Rm/MPa | 屈服强度Rp0.2/MPa | 屈强比 | 伸长率A/% | 面缩率Z/% |
| A | 1-1 | 1 270 | 906 | 0.71 | 14 | 35 |
| 1-2 | 1 274 | 865 | 0.68 | 14 | 34 |
| 1-3 | 1 293 | 924 | 0.71 | 15 | 33 |
| B | 2-1 | 1 421 | 961 | 0.68 | 10 | 21 |
| 2-2 | 1 437 | 956 | 0.67 | 10 | 21 |
| 2-3 | 1 443 | 965 | 0.67 | 11 | 20 |
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| 钢轨 | 编号 | 室温冲击吸收功KU2/J |
| 1 | 2 | 3 | 平均值 |
| A | 1-1 | 20.2 | 10.0 | 17.0 | 15.7 |
| 1-2 | 18.9 | 15.1 | 16.3 | 16.8 |
| 1-3 | 20.2 | 18.5 | 18.2 | 19.0 |
| B | 2-1 | 6.6 | 8.1 | 8.4 | 7.7 |
| 2-2 | 7.7 | 12.7 | 10.7 | 10.4 |
| 2-3 | 8.4 | 12 | 12.5 | 11.0 |
), ArticleFig(id=1187122973216485624, tenantId=1146029695717560320, journalId=1185652524569653253, articleId=1185887589883069365, language=CN, label=表6, caption=
回火态钢轨轨头冲击性能
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| 钢轨 | 编号 | 室温冲击吸收功KU2/J |
| 1 | 2 | 3 | 平均值 |
| A | 1-1 | 20.2 | 10.0 | 17.0 | 15.7 |
| 1-2 | 18.9 | 15.1 | 16.3 | 16.8 |
| 1-3 | 20.2 | 18.5 | 18.2 | 19.0 |
| B | 2-1 | 6.6 | 8.1 | 8.4 | 7.7 |
| 2-2 | 7.7 | 12.7 | 10.7 | 10.4 |
| 2-3 | 8.4 | 12 | 12.5 | 11.0 |
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| 钢轨 | 编号 | 1 | 2 | 3 | 4 | 5 | 平均值 |
| A | 1-1 | 378 | 366 | 359 | 359 | 370 | 366 |
| 1-2 | 375 | 373 | 370 | 368 | 370 | 371 |
| 1-3 | 375 | 375 | 370 | 373 | 373 | 373 |
| B | 2-1 | 404 | 406 | 401 | 404 | 406 | 404 |
| 2-2 | 409 | 406 | 401 | 406 | 406 | 406 |
| 2-3 | 412 | 415 | 412 | 406 | 409 | 411 |
), ArticleFig(id=1187122973321343226, tenantId=1146029695717560320, journalId=1185652524569653253, articleId=1185887589883069365, language=CN, label=表7, caption=
回火态钢轨轨头顶面中心线硬度(HBW)
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| 钢轨 | 编号 | 1 | 2 | 3 | 4 | 5 | 平均值 |
| A | 1-1 | 378 | 366 | 359 | 359 | 370 | 366 |
| 1-2 | 375 | 373 | 370 | 368 | 370 | 371 |
| 1-3 | 375 | 375 | 370 | 373 | 373 | 373 |
| B | 2-1 | 404 | 406 | 401 | 404 | 406 | 404 |
| 2-2 | 409 | 406 | 401 | 406 | 406 | 406 |
| 2-3 | 412 | 415 | 412 | 406 | 409 | 411 |
), ArticleFig(id=1187122973396840699, tenantId=1146029695717560320, journalId=1185652524569653253, articleId=1185887589883069365, language=EN, label=null, caption=null, figureFileSmall=null, figureFileBig=null, tableContent=
| 钢轨 | 编号 | 轨头 | | 轨腰 |
| 1 | 2 | 3 | 最大差值 | 1 | 2 | 3 | 最大差值 |
| A | 1-1 | 179 | 156 | 128 | 51 | | 307 | 208 | 280 | 99 |
| 1-2 | 124 | 154 | 131 | 30 | | 184 | 206 | 251 | 67 |
| 1-3 | 138 | 123 | 121 | 17 | | 215 | 216 | 181 | 35 |
| B | 2-1 | 234 | 196 | 204 | 38 | | 212 | 144 | 186 | 68 |
| 2-2 | 136 | 149 | 154 | 18 | | 166 | 160 | 198 | 38 |
| 2-3 | 124 | 139 | 141 | 17 | | 182 | 160 | 182 | 22 |
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回火态钢轨珠光体片间距nm
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| 钢轨 | 编号 | 轨头 | | 轨腰 |
| 1 | 2 | 3 | 最大差值 | 1 | 2 | 3 | 最大差值 |
| A | 1-1 | 179 | 156 | 128 | 51 | | 307 | 208 | 280 | 99 |
| 1-2 | 124 | 154 | 131 | 30 | | 184 | 206 | 251 | 67 |
| 1-3 | 138 | 123 | 121 | 17 | | 215 | 216 | 181 | 35 |
| B | 2-1 | 234 | 196 | 204 | 38 | | 212 | 144 | 186 | 68 |
| 2-2 | 136 | 149 | 154 | 18 | | 166 | 160 | 198 | 38 |
| 2-3 | 124 | 139 | 141 | 17 | | 182 | 160 | 182 | 22 |
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