Article(id=1308544099326714082, tenantId=1146029695717560320, journalId=1268266715432370238, issueId=1308544094092222643, articleNumber=null, orderNo=null, doi=10.3969/j.issn.1006-4613.2026.04.003, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=null, receivedDateStr=null, revisedDate=1757260800000, revisedDateStr=2025-09-08, acceptedDate=null, acceptedDateStr=null, onlineDate=1789910824853, onlineDateStr=2026-09-20, pubDate=null, pubDateStr=null, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1789910824853, onlineIssueDateStr=2026-09-20, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1789910824853, creator=13701087609, updateTime=1789910824853, updator=13701087609, issue=Issue{id=1308544094092222643, tenantId=1146029695717560320, journalId=1268266715432370238, year='2026', volume='', issue='4', pageStart='1', pageEnd='72', issueExtLink='null', onlineDate='null', pubDate='1786291200000', pubDateStr='2026-08-10', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1789910823605, creator='13701087609', updateTime=1789955282254, updator='13701087609', preIssue=null, nextIssue=null, articleTotal=null, ext={EN=IssueExt(id=1308730567286415933, tenantId=1146029695717560320, journalId=1268266715432370238, issueId=1308544094092222643, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1308730567286415934, tenantId=1146029695717560320, journalId=1268266715432370238, issueId=1308544094092222643, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null, downloadFileDto=null}, startPage=20, endPage=29, ext={EN=ArticleExt(id=1308544099557400803, articleId=1308544099326714082, tenantId=1146029695717560320, journalId=1268266715432370238, language=EN, title=Calculation of Thermo-mechanical Coupling Deformation Model for 25Mn-7Al-1C Low-density Steel, columnId=1268934131263115797, journalTitle=Angang Technology, columnName=Research and Development, runingTitle=null, highlight=null, articleAbstract=

The hot deformation behavior of 25Mn-7Al-1C steel was investigated through single-pass hot compression tests in the range of 9 00~1 150 °C for temperature and 0.01~10 s^-1 for strain rate. The constitutive equation and hot processing map of the tested steel were established. The results showed that the hot deformation activation energy of the steel was 447.5 kJ/mol, and the degree of dynamic recrystallization changed under different experimental conditions. Through synergistic analysis of dynamic recrystallization behavior and the hot processing map, hot working parameters with low temperature and high strain rate could enhance the impact toughness of the low-density steel. The optimal rolling process parameters for 25Mn-7Al-1C steel were confirmed as deformation temperature of 1 000~1 100 °C and strain rate of 0.01~1 s^-1.

, authors=Xuezhi LI¹, Zitong WANG², Xiaodong QU², Wei LIU², Fanzhi MENG², Peng LIU², authorsList=Xuezhi LI, Zitong WANG, Xiaodong QU, Wei LIU, Fanzhi MENG, Peng LIU, 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=1308544101298036964, articleId=1308544099326714082, tenantId=1146029695717560320, journalId=1268266715432370238, language=CN, title=25Mn-7Al-1C低密度钢的热力耦合变形模型计算, columnId=1268934131426693655, journalTitle=鞍钢技术, columnName=研究与开发, runingTitle=null, highlight=null, articleAbstract=

通过单道次热压缩试验，研究了25Mn-7Al-1C低密度钢在热变形温度900~1 150 ℃、应变速率0.01~10 s^-1条件下的热变形行为，构建了试验钢的本构方程及其热加工图。研究表明，25Mn-7Al-1C钢的热变形激活能为447.514 kJ/mol，不同试验条件下试验钢发生的动态再结晶程度不同。结合动态再结晶情况与热加工图得出，低温、高应变速率的热加工条件可以提升低密度钢冲击韧性，25Mn-7Al-1C钢最优化的轧制工艺参数范围为热变形温度1 000~1 100 ℃、应变速率0.01~1 s^-1。

, authors=李学志¹, 王子童², 曲晓东², 刘威², 孟凡志², 刘鹏², authorsList=李学志, 王子童, 曲晓东, 刘威, 孟凡志, 刘鹏, authorCompany=null, correspAuthors=null, authorNote=, correspAuthorsNote=null, copyrightStatement=null, copyrightOwner=null, extLink=null, articleAbsUrl=null, sourceXml=QohpMjgNmZKLEuJ0b9QDSA==, magXml=+ApehcRZykA2W76GZtW1iQ==, pdfUrl=null, pdf=josaKiqaJSL+5tmXSxj1pQ==, pdfFileSize=3928363, pdfExtLink=null, richHtmlUrl=null, mobilePdfUrl=null, reviewReport=null, pdfFirstPage=null, abstractGraph=null, abstractGraphContent=null, abstractVideo=null, citation=null, cebUrl=null, magXmlContent=HmAMwxS0XfRnPp/U1Vwp6Q==, mapNumber=null, fund=null)}, authors=[Author(id=1308544101696495852, tenantId=1146029695717560320, journalId=1268266715432370238, articleId=1308544099326714082, orderNo=0, firstName=null, middleName=null, lastName=null, nameCn=null, orcid=null, stid=null, country=null, authorPic=null, dead=0, email=13841214212@163.com, emailSecond=null, emailThird=null, correspondingAuthor=0, authorType=1, ext={EN=AuthorExt(id=1308544101767799022, tenantId=1146029695717560320, journalId=1268266715432370238, articleId=1308544099326714082, authorId=1308544101696495852, language=EN, stringName=Xuezhi LI, firstName=Xuezhi, middleName=null, lastName=LI, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=¹, address=^1.Anshan Iron & Steel Group Co., Ltd., Anshan 114021, Liaoning, China, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null), CN=AuthorExt(id=1308544101826519279, tenantId=1146029695717560320, journalId=1268266715432370238, articleId=1308544099326714082, authorId=1308544101696495852, language=CN, stringName=李学志, firstName=null, middleName=null, lastName=null, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=¹, address=^1．鞍山钢铁集团有限公司，辽宁 鞍山 114021, bio={"content":"

李学志，工程师，2006年毕业于北京科技大学热能与动力工程专业。E-mail: 13841214212@163.com

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李学志，工程师，2006年毕业于北京科技大学热能与动力工程专业。E-mail: 13841214212@163.com

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