Article(id=1187027206061572337, tenantId=1146029695717560320, journalId=1185652524569653253, issueId=1187027204178326004, articleNumber=1009-5438(2024)06-0064-06, orderNo=null, doi=null, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1722787200000, receivedDateStr=2024-08-05, revisedDate=null, revisedDateStr=null, acceptedDate=null, acceptedDateStr=null, onlineDate=1760938939824, onlineDateStr=2025-10-20, pubDate=1735056000000, pubDateStr=2024-12-25, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1760938939824, onlineIssueDateStr=2025-10-20, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1760938939824, creator=13701087609, updateTime=1760938939824, updator=13701087609, issue=Issue{id=1187027204178326004, tenantId=1146029695717560320, journalId=1185652524569653253, year='2024', volume='50', issue='6', pageStart='1', pageEnd='98', issueExtLink='null', onlineDate='null', pubDate='null', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1760938939375, creator=13701087609, updateTime=1760939191531, updator=13701087609, preIssue=null, nextIssue=null, ext={EN=IssueExt(id=1187028261868548309, tenantId=1146029695717560320, journalId=1185652524569653253, issueId=1187027204178326004, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1187028261868548310, tenantId=1146029695717560320, journalId=1185652524569653253, issueId=1187027204178326004, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null}, startPage=64, endPage=69, ext={EN=ArticleExt(id=1187100785990058358, articleId=1187027206061572337, tenantId=1146029695717560320, journalId=1185652524569653253, language=EN, title=Influences of Vanadium on Microstructure and Properties of High Carbon Steel, columnId=1187095652984042303, journalTitle=Science & Technology of Baotou Steel, columnName=Variety Quality and Experimental Study, runingTitle=null, highlight=null, articleAbstract=
In the article, the influences of changes of vanadium (V) content on microstructure and properties of high carbon steel are studied. The high carbon test steels with different technologies and V contents are tested and analyzed with the tensile test and hardness test as well as observation with metalloscope and scanning electron microscope. The results showed that there were influences of changes of V content on mechanical properties of high carbon steel. All the strength, hardness and ductility of high carbon steel could be slightly decreased with lower V content under conventional process conditions. Moreover, there are influences of heat treatment process on high carbon steel with different V contents. The ductility of low V test steel is better than that of high V test steel as well as the changes of strength and hardness for test steel are smaller through reasonably optimizing heat treatment process. Furthermore, it is found in the study that the influences of moderately reducing V content on microstructure of high carbon steel are smaller so that the changes of mechanical properties associated with microstructure are not obvious.
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文章研究了钒(V)含量变化对高碳钢的组织和性能影响。采用拉伸、硬度测试以及金相显微镜和扫描电镜观察,对采用不同工艺和不同V含量条件下的高碳试验钢进行了测试和分析。结果表明,V含量变化对高碳钢的力学性能存在影响,常规工艺条件下,较低的V含量会使高碳钢的强度、硬度和塑性出现轻微下降。热处理工艺对不同V含量的高碳钢存在影响,通过合理优化热处理工艺,低钒试验钢的塑性优于高钒试验钢,且试验钢强度、硬度性能变化较小。此外,研究还发现适量降低钒含量对高碳钢显微组织影响较小,因此与显微组织相关的力学性能变化不明显。
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刘 阳(1994-),男,内蒙古包头市人,硕士,助理工程师,现从事钢轨研发相关工作。
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刘 阳(1994-),男,内蒙古包头市人,硕士,助理工程师,现从事钢轨研发相关工作。
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刘 阳(1994-),男,内蒙古包头市人,硕士,助理工程师,现从事钢轨研发相关工作。
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2017., articleTitle=null, refAbstract=null), Reference(id=1187100930815181687, tenantId=1146029695717560320, journalId=1185652524569653253, articleId=1187027206061572337, doi=null, pmid=null, pmcid=null, year=2022, volume=1, issue=1, pageStart=48, pageEnd=52, url=null, language=null, rfNumber=[3], rfOrder=2, authorNames=费俊杰, 李强, 史正鹰, journalName=高速铁路新材料, refType=null, unstructuredReference=费俊杰, 李强, 史正鹰, 等. U75VH热处理钢轨气压焊头正火工艺研究[J].
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| 生产企业 | 化学成分(质量分数)/% | | 力学性能 |
| C | Si | Mn | P | S | V | 抗拉强度Rm/MPa | 伸长率A/% | 硬度(HBW) |
| 钢厂1[3] | 0.76 | 0.70 | 0.92 | 0.012 | 0.008 | 0.050 | | | | |
| 钢厂2 | 0.77 | 0.69 | 0.88 | 0.013 | 0.006 | 0.040 | | 1 267 | 10.5 | 360 |
| 钢厂3 | 0.78 | 0.73 | 0.93 | 0.011 | 0.004 | 0.045 | | 1 275 | 10.0 | 368 |
| 钢厂4 | 0.78 | 0.68 | 0.95 | 0.015 | 0.002 | 0.072 | | 1 263 | 11.5 | 360 |
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国内部分钢厂U75VH高碳钢轨钢化学成分及力学性能
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| 生产企业 | 化学成分(质量分数)/% | | 力学性能 |
| C | Si | Mn | P | S | V | 抗拉强度Rm/MPa | 伸长率A/% | 硬度(HBW) |
| 钢厂1[3] | 0.76 | 0.70 | 0.92 | 0.012 | 0.008 | 0.050 | | | | |
| 钢厂2 | 0.77 | 0.69 | 0.88 | 0.013 | 0.006 | 0.040 | | 1 267 | 10.5 | 360 |
| 钢厂3 | 0.78 | 0.73 | 0.93 | 0.011 | 0.004 | 0.045 | | 1 275 | 10.0 | 368 |
| 钢厂4 | 0.78 | 0.68 | 0.95 | 0.015 | 0.002 | 0.072 | | 1 263 | 11.5 | 360 |
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| C | Si | Mn | V | P | S | Al |
| 0.75~0.80 | 0.60~0.70 | 0.90~1.00 | 0.04~0.08 | ≤0.025 | ≤0.025 | ≤0.010 |
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U75VH钢轨钢化学成分(质量分数) %
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| C | Si | Mn | V | P | S | Al |
| 0.75~0.80 | 0.60~0.70 | 0.90~1.00 | 0.04~0.08 | ≤0.025 | ≤0.025 | ≤0.010 |
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| V含量/% | 抗拉强度/MPa | 伸长率/% | 硬度(HBW) |
| 0.050 | 1 253.5 | 11.35 | 359.6 |
| 0.068 | 1 260.0 | 10.40 | 360.2 |
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低钒和高钒试验组V含量及力学性能的平均值
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| V含量/% | 抗拉强度/MPa | 伸长率/% | 硬度(HBW) |
| 0.050 | 1 253.5 | 11.35 | 359.6 |
| 0.068 | 1 260.0 | 10.40 | 360.2 |
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| 阶段 | V含量 /% | 抗拉强度 /MPa | 伸长率 /% | 硬度 (HBW) |
| 调整前 | 0.048 | 1 258.6 | 10.80 | 360.2 |
| 0.066 | 1 265.7 | 11.32 | 363.2 |
| 调整后 | 0.048 | 1 269.5 | 11.50 | 361.0 |
| 0.067 | 1 265.0 | 10.50 | 362.5 |
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低钒和高钒试验钢V含量及力学性能的平均值
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| 阶段 | V含量 /% | 抗拉强度 /MPa | 伸长率 /% | 硬度 (HBW) |
| 调整前 | 0.048 | 1 258.6 | 10.80 | 360.2 |
| 0.066 | 1 265.7 | 11.32 | 363.2 |
| 调整后 | 0.048 | 1 269.5 | 11.50 | 361.0 |
| 0.067 | 1 265.0 | 10.50 | 362.5 |
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