Article(id=1198267807629668489, tenantId=1146029695717560320, journalId=1185652524569653253, issueId=1198267803028521972, articleNumber=1009-5438(2023)01-0050-05, orderNo=null, doi=null, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=research-article, receivedDate=1651075200000, receivedDateStr=2022-04-28, revisedDate=null, revisedDateStr=null, acceptedDate=null, acceptedDateStr=null, onlineDate=1763618908078, onlineDateStr=2025-11-20, pubDate=1677254400000, pubDateStr=2023-02-25, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1763618908078, onlineIssueDateStr=2025-11-20, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1763618908078, creator=13701087609, updateTime=1763618908078, updator=13701087609, issue=Issue{id=1198267803028521972, tenantId=1146029695717560320, journalId=1185652524569653253, year='2023', volume='49', issue='1', 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=1763618906981, creator=13701087609, updateTime=1763619307448, updator=13701087609, preIssue=null, nextIssue=null, ext={EN=IssueExt(id=1198269482767581847, tenantId=1146029695717560320, journalId=1185652524569653253, issueId=1198267803028521972, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1198269482771776152, tenantId=1146029695717560320, journalId=1185652524569653253, issueId=1198267803028521972, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null}, startPage=50, endPage=54, ext={EN=ArticleExt(id=1198267807889715339, articleId=1198267807629668489, tenantId=1146029695717560320, journalId=1185652524569653253, language=EN, title=Study on Formation Rule of Heterogeneous Particles around Cracks of Web for Hot Rolled H Beam, columnId=1198265195702354688, journalTitle=Science & Technology of Baotou Steel, columnName=Varieties and Quality and Experimental Study, runingTitle=null, highlight=null, articleAbstract=
In this paper, the oxidation and decarbonization as well as formation rule of heterogeneous particles around cracks of web for SS400B hot rolled H beam are studied. The experiment is designed based on the actual working conditions on site as well as oxidation and decarbonization and performance distribution of heterogeneous particles with different processes are analyzed qualitatively and quantitatively with metallographic analysis and energy spectrum. The results showed that there was decarburization around cracks of SS400B hot rolled H beam in the stage of rough rolling, but no heterogeneous particles appeared. It is systematically and comprehensively explained that the oxidation and decarbonization and precipitation of silicon containing heterogeneous particles around cracks are closely related to the composition of steel, process location and thermal regulation combining with domestic study results.
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文章研究了SS400B热轧H型钢腹板裂纹周围的氧化脱碳及异质颗粒的形成规律。依据现场实际工况设计试验,采用金相分析、能谱定性定量分析不同工艺下氧化脱碳及异质颗粒的性态分布,结果表明SS400B热轧H型钢在轧钢粗轧阶段产生的裂纹周围存在脱碳,但不会出现异质颗粒。结合国内研究结果,系统全面的说明了裂纹周围的氧化脱碳以及含硅异质颗粒的析出与钢种成分、工序位置、热工制度均有密切关系。
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冯岩青(1977-),女,内蒙古包头市人,博士,副教授,现从事新产品研发及智能焊接工作。
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29(3):19-23., articleTitle=冷镦钢开裂的原因分析及改进, refAbstract=null)], funds=[Fund(id=1198268049020252799, tenantId=1146029695717560320, journalId=1185652524569653253, articleId=1198267807629668489, awardId=2022BZYKC04, language=CN, fundingSource=包头职业技术学院“新材料工艺改进及性能控制”2022年科研创新团队(2022BZYKC04), fundOrder=null, country=null)], companyList=[AuthorCompany(id=1198268045392179784, tenantId=1146029695717560320, journalId=1185652524569653253, articleId=1198267807629668489, xref=1, ext=[AuthorCompanyExt(id=1198268045396374089, tenantId=1146029695717560320, journalId=1185652524569653253, articleId=1198267807629668489, companyId=1198268045392179784, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
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2 CITIC Metals Co. , Ltd. , Beijing 100004, China), AuthorCompanyExt(id=1198268045476065869, tenantId=1146029695717560320, journalId=1185652524569653253, articleId=1198267807629668489, companyId=1198268045459288651, language=CN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
2 中信金属有限公司,北京 100004)]), AuthorCompany(id=1198268045534786127, tenantId=1146029695717560320, journalId=1185652524569653253, articleId=1198267807629668489, xref=3, ext=[AuthorCompanyExt(id=1198268045538980432, tenantId=1146029695717560320, journalId=1185652524569653253, articleId=1198267807629668489, companyId=1198268045534786127, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
3 Beijing Jinxi Lvjian Technology Industry Group Co. , Ltd. , Beijing 10020, China), AuthorCompanyExt(id=1198268045547369041, tenantId=1146029695717560320, journalId=1185652524569653253, articleId=1198267807629668489, companyId=1198268045534786127, language=CN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
3 北京津西绿建科技产业集团有限公司,北京 10020)])], figs=[ArticleFig(id=1198268046910517871, tenantId=1146029695717560320, journalId=1185652524569653253, articleId=1198267807629668489, language=EN, label=null, caption=null, figureFileSmall=vTGR27ZiSjxAfpcmmkkACA==, figureFileBig=pOUNSj1Wz9oc2yuQL1CRJQ==, tableContent=null), ArticleFig(id=1198268046969238128, tenantId=1146029695717560320, journalId=1185652524569653253, articleId=1198267807629668489, language=CN, label=图1, caption=
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| C | Si | Mn | S | P | B |
| 0.17 | 0.23 | 0.59 | 0.018 | 0.015 | 0.000 9 |
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SS400B化学成分(质量分数)%
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| C | Si | Mn | S | P | B |
| 0.17 | 0.23 | 0.59 | 0.018 | 0.015 | 0.000 9 |
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| 编号 | 工艺 | 保温时间 /min | 脱碳深度 /μm | 异质颗粒层厚度 /μm |
| 1# | 无缺陷试样1 200 ℃时保温10 min,出炉后快速制造裂纹,再放回炉中保温。 | 3 | 无 | 无 |
| 2# | 预制裂纹试样在1 200 ℃下保温后出炉空冷 | 3 | 72 | 无 |
| 3# | 预制裂纹试样在1 200 ℃下保温后出炉空冷 | 5 | 159 | 无 |
| 4# | 预制裂纹试样在1 200 ℃下保温后出炉空冷 | 15 | 464 | 43 |
| 5# | 预制裂纹试样在1 200 ℃下保温后出炉空冷 | 30 | 720 | 156 |
| 6# | 预制裂纹试样在1 200 ℃下保温后出炉空冷 | 60 | 2 900 | 369 |
), ArticleFig(id=1198268048932172414, tenantId=1146029695717560320, journalId=1185652524569653253, articleId=1198267807629668489, language=CN, label=表2, caption=
不同工艺下裂纹周围脱碳及异质颗粒情况
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| 编号 | 工艺 | 保温时间 /min | 脱碳深度 /μm | 异质颗粒层厚度 /μm |
| 1# | 无缺陷试样1 200 ℃时保温10 min,出炉后快速制造裂纹,再放回炉中保温。 | 3 | 无 | 无 |
| 2# | 预制裂纹试样在1 200 ℃下保温后出炉空冷 | 3 | 72 | 无 |
| 3# | 预制裂纹试样在1 200 ℃下保温后出炉空冷 | 5 | 159 | 无 |
| 4# | 预制裂纹试样在1 200 ℃下保温后出炉空冷 | 15 | 464 | 43 |
| 5# | 预制裂纹试样在1 200 ℃下保温后出炉空冷 | 30 | 720 | 156 |
| 6# | 预制裂纹试样在1 200 ℃下保温后出炉空冷 | 60 | 2 900 | 369 |
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