Article(id=1188049102387425316, tenantId=1146029695717560320, journalId=1185652524569653253, issueId=1188049099627574244, articleNumber=1009-5438(2024)02-0022-06, orderNo=null, doi=null, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1706716800000, receivedDateStr=2024-02-01, revisedDate=null, revisedDateStr=null, acceptedDate=null, acceptedDateStr=null, onlineDate=1761182578894, onlineDateStr=2025-10-23, pubDate=1713974400000, pubDateStr=2024-04-25, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1761182578894, onlineIssueDateStr=2025-10-23, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1761182578894, creator=13701087609, updateTime=1761182578894, updator=13701087609, issue=Issue{id=1188049099627574244, tenantId=1146029695717560320, journalId=1185652524569653253, year='2024', volume='50', issue='2', 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=1761182578236, creator=13701087609, updateTime=1761291001661, updator=13701087609, preIssue=null, nextIssue=null, ext={EN=IssueExt(id=1188503860504052243, tenantId=1146029695717560320, journalId=1185652524569653253, issueId=1188049099627574244, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1188503860504052244, tenantId=1146029695717560320, journalId=1185652524569653253, issueId=1188049099627574244, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null}, startPage=22, endPage=27, ext={EN=ArticleExt(id=1188049102668443692, articleId=1188049102387425316, tenantId=1146029695717560320, journalId=1185652524569653253, language=EN, title=Establishment of Continuous Cooling Transformation Curve and Microstructure Transformation for Rare Earth Alloyed High Carbon Wear Resistant Steel, columnId=1187095652984042303, journalTitle=Science & Technology of Baotou Steel, columnName=Variety Quality and Experimental Study, runingTitle=null, highlight=null, articleAbstract=
The transformation structure and critical points of phase transformation for rare earth alloyed high carbon wear resistant steel as well as continuous cooling transformation (CCT) curve of undercooled austenite at different cooling rates are studied by metalloscope, field emission scanning electron microscopy and quenching dilatometer. The results showed that the critical points of phase transformation were Ac1=742.6 ℃, Ac3=816.5 ℃ and Ms=307.0 ℃. When cooling rate is less than 0.4 ℃/s, the microstructure is a small amount of ferrite+pearlite; when cooling rate is 0.4 ℃/s, the microstructure is single-phase pseudo eutectoid pearlite; when cooling rate is greater than 0.5 ℃/s, the microstructure is gradually transformed to martensite; when cooling rate is greater than 4 ℃/s, there is only the microstructure of martensite+retained austenite in the steel.
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采用金相显微镜、场发射扫描电镜和淬火膨胀仪研究稀土合金化高碳耐磨钢不同冷却速度条件下的转变组织、相变临界点和不同冷却速度下过冷奥氏体的连续冷却转变曲线(CCT曲线)。结果表明:相变临界点为Ac1为742.6 ℃,Ac3为816.5 ℃,Ms为307.0 ℃。当冷却速度小于0.4 ℃/s时,显微组织为少量铁素体+珠光体;当冷却速度为0.4 ℃/s时,显微组织为单相伪共析珠光体;当冷却速度大于0.5 ℃/s时,显微组织逐渐向马氏体转变;冷却速度高于4 ℃/s时,钢中仅有马氏体+残余奥氏体组织。
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王权(1962-),男,内蒙古包头市人,硕士,正高级工程师,现从事金属材料的研究工作。
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王权(1962-),男,内蒙古包头市人,硕士,正高级工程师,现从事金属材料的研究工作。
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52(7):515-517., articleTitle=德兴铜矿球磨机衬板用耐磨钢的研制, refAbstract=null), Reference(id=1188503136302940832, tenantId=1146029695717560320, journalId=1185652524569653253, articleId=1188049102387425316, doi=null, pmid=null, pmcid=null, year=2001, volume=4, issue=1, pageStart=37, pageEnd=40, url=null, language=null, rfNumber=[6], rfOrder=5, authorNames=王龙妹, 杜挺, 卢先利, journalName=稀土, refType=null, unstructuredReference=王龙妹, 杜挺, 卢先利, 等. 微量稀土元素在钢中的作用机理及应用研究[J].
稀土,
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4(1):37-40., articleTitle=微量稀土元素在钢中的作用机理及应用研究, refAbstract=null)], funds=[Fund(id=1188503135761875598, tenantId=1146029695717560320, journalId=1185652524569653253, articleId=1188049102387425316, awardId=NJZY21394, language=CN, fundingSource=内蒙古自治区高等学校科学研究项目(NJZY21394), fundOrder=null, country=null)], companyList=[AuthorCompany(id=1188503131890532891, tenantId=1146029695717560320, journalId=1185652524569653253, articleId=1188049102387425316, xref=1, ext=[AuthorCompanyExt(id=1188503131898921500, tenantId=1146029695717560320, journalId=1185652524569653253, articleId=1188049102387425316, companyId=1188503131890532891, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
1 Inner Mongolia Zhongtian Hongyuan New Rare Earth Materials Co., Ltd., Baotou 014010, Inner Mongolia Autonomous Region, China), AuthorCompanyExt(id=1188503131907310109, tenantId=1146029695717560320, journalId=1185652524569653253, articleId=1188049102387425316, companyId=1188503131890532891, language=CN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
1 内蒙古中天宏远稀土新材料股份公司,内蒙古 包头 014010)]), AuthorCompany(id=1188503132016362014, tenantId=1146029695717560320, journalId=1185652524569653253, articleId=1188049102387425316, xref=2, ext=[AuthorCompanyExt(id=1188503132024750623, tenantId=1146029695717560320, journalId=1185652524569653253, articleId=1188049102387425316, companyId=1188503132016362014, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
2 Technical Center of Inner Mongolia Baotou Steel Union Co., Ltd., Baotou 014010, Inner Mongolia Autonomous Region, China), AuthorCompanyExt(id=1188503132028944928, tenantId=1146029695717560320, journalId=1185652524569653253, articleId=1188049102387425316, companyId=1188503132016362014, language=CN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
2 内蒙古包钢钢联股份有限公司技术中心,内蒙古 包头 014010)])], figs=[ArticleFig(id=1188503134725882475, tenantId=1146029695717560320, journalId=1185652524569653253, articleId=1188049102387425316, language=EN, label=null, caption=null, figureFileSmall=xzwlYyo821rTVowBXYmBBQ==, figureFileBig=U9KQiBhnJD44jNWnaBvtaQ==, tableContent=null), ArticleFig(id=1188503134801379949, tenantId=1146029695717560320, journalId=1185652524569653253, articleId=1188049102387425316, language=CN, label=图1, caption=
稀土合金化高碳耐磨钢连续冷却转变图, figureFileSmall=xzwlYyo821rTVowBXYmBBQ==, figureFileBig=U9KQiBhnJD44jNWnaBvtaQ==, tableContent=null), ArticleFig(id=1188503134881071727, tenantId=1146029695717560320, journalId=1185652524569653253, articleId=1188049102387425316, language=EN, label=null, caption=null, figureFileSmall=CdVPDaVU0AqP7pWgNCvRBQ==, figureFileBig=z8IPCffxmOSlMXEP0ICJVA==, tableContent=null), ArticleFig(id=1188503134939791985, tenantId=1146029695717560320, journalId=1185652524569653253, articleId=1188049102387425316, language=CN, label=图2, caption=
不同冷却速度下试验钢的显微组织, figureFileSmall=CdVPDaVU0AqP7pWgNCvRBQ==, figureFileBig=z8IPCffxmOSlMXEP0ICJVA==, tableContent=null), ArticleFig(id=1188503135036260980, tenantId=1146029695717560320, journalId=1185652524569653253, articleId=1188049102387425316, language=EN, label=null, caption=null, figureFileSmall=JZNF5jSzTDvOrNZpsUZjDQ==, figureFileBig=t6qyEuANZ5Fbjc9ESbPEiQ==, tableContent=null), ArticleFig(id=1188503135115952759, tenantId=1146029695717560320, journalId=1185652524569653253, articleId=1188049102387425316, language=CN, label=图3, caption=
不同冷却速度下试验钢的显微组织, figureFileSmall=JZNF5jSzTDvOrNZpsUZjDQ==, figureFileBig=t6qyEuANZ5Fbjc9ESbPEiQ==, tableContent=null), ArticleFig(id=1188503135174673018, tenantId=1146029695717560320, journalId=1185652524569653253, articleId=1188049102387425316, language=EN, label=null, caption=null, figureFileSmall=null, figureFileBig=null, tableContent=
| C | Si | Mn | P | S | Cr | Mo | V | Cu | RE |
| 0.736 | 0.714 | 0.735 | 0.021 2 | 0.013 | 2.01 | 0.187 | 0.106 | 0.15 | 0.000 5 |
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试验钢化学成分(质量分数) %
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| C | Si | Mn | P | S | Cr | Mo | V | Cu | RE |
| 0.736 | 0.714 | 0.735 | 0.021 2 | 0.013 | 2.01 | 0.187 | 0.106 | 0.15 | 0.000 5 |
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| 临界点 | 奥氏体化温度/℃ | 保温时间/min | 升温速度/(℃·s-1) | 冷却速度/(℃·s-1) |
| Ac1 | 1 000 | 10 | 10(≤400 ℃),0.05(≥400 ℃) | |
| Ac3 | 1 000 | 10 | 10(≤400 ℃),0.05(≥400 ℃) | |
| Ms | 900 | 10 | 10 | 4~180 |
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试验钢临界点的测定条件
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| 临界点 | 奥氏体化温度/℃ | 保温时间/min | 升温速度/(℃·s-1) | 冷却速度/(℃·s-1) |
| Ac1 | 1 000 | 10 | 10(≤400 ℃),0.05(≥400 ℃) | |
| Ac3 | 1 000 | 10 | 10(≤400 ℃),0.05(≥400 ℃) | |
| Ms | 900 | 10 | 10 | 4~180 |
), ArticleFig(id=1188503135493440133, tenantId=1146029695717560320, journalId=1185652524569653253, articleId=1188049102387425316, language=EN, label=null, caption=null, figureFileSmall=null, figureFileBig=null, tableContent=
冷却速度 /(℃·s-1) | 相变温度/℃ |
| F开始 | F结束 | P开始 | P结束 | B开始 | B结束 | M开始 |
| 0.05 | 759.0 | 743.2 | 743.2 | 680.4 | | | |
| 0.1 | 750.8 | 735.6 | 735.6 | 694.7 | | | |
| 0.2 | 744.9 | 732.2 | 732.2 | 663.9 | | | |
| 0.3 | 736.7 | 732.0 | 732.0 | 632.3 | | | |
| 0.4 | | | 731.5 | 621.1 | | | |
| 0.5 | | | 729.4 | 615.3 | 479.7 | 406.4 | 273.0 |
| 1 | | | 686.6 | 605.0 | 458.4 | 379.8 | 232.7 |
| 2 | | | | | 456.2 | 374.6 | 240.4 |
| 3 | | | | | 433.1 | 318.3 | 252.9 |
| 4 | | | | | | | 301.9 |
| 5 | | | | | | | 309.1 |
| 10 | | | | | | | 309.0 |
| 50 | | | | | | | 309.5 |
| 150 | | | | | | | 309.5 |
| 180 | | | | | | | 301.9 |
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不同冷却条件下试验钢相变开始与结束温度
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冷却速度 /(℃·s-1) | 相变温度/℃ |
| F开始 | F结束 | P开始 | P结束 | B开始 | B结束 | M开始 |
| 0.05 | 759.0 | 743.2 | 743.2 | 680.4 | | | |
| 0.1 | 750.8 | 735.6 | 735.6 | 694.7 | | | |
| 0.2 | 744.9 | 732.2 | 732.2 | 663.9 | | | |
| 0.3 | 736.7 | 732.0 | 732.0 | 632.3 | | | |
| 0.4 | | | 731.5 | 621.1 | | | |
| 0.5 | | | 729.4 | 615.3 | 479.7 | 406.4 | 273.0 |
| 1 | | | 686.6 | 605.0 | 458.4 | 379.8 | 232.7 |
| 2 | | | | | 456.2 | 374.6 | 240.4 |
| 3 | | | | | 433.1 | 318.3 | 252.9 |
| 4 | | | | | | | 301.9 |
| 5 | | | | | | | 309.1 |
| 10 | | | | | | | 309.0 |
| 50 | | | | | | | 309.5 |
| 150 | | | | | | | 309.5 |
| 180 | | | | | | | 301.9 |
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