Article(id=1314907256139903530, tenantId=1146029695717560320, journalId=1235980550691926019, issueId=1314907112854089785, articleNumber=null, orderNo=null, doi=10.3969/j.issn.0253-6099.2025.06.026, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1749052800000, receivedDateStr=2025-06-05, revisedDate=null, revisedDateStr=null, acceptedDate=null, acceptedDateStr=null, onlineDate=1791427919658, onlineDateStr=2026-10-08, pubDate=null, pubDateStr=null, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1791427919658, onlineIssueDateStr=2026-10-08, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1791427919658, creator=13701087609, updateTime=1791427919658, updator=13701087609, issue=Issue{id=1314907112854089785, tenantId=1146029695717560320, journalId=1235980550691926019, year='2025', volume='45', issue='6', pageStart='1', pageEnd='228', issueExtLink='null', onlineDate='null', pubDate='1764518400000', pubDateStr='2025-12-01', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1791427885497, creator='13701087609', updateTime=1791430521754, updator='13701087609', preIssue=null, nextIssue=null, articleTotal=null, ext={EN=IssueExt(id=1314918170201252492, tenantId=1146029695717560320, journalId=1235980550691926019, issueId=1314907112854089785, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1314918170201252493, tenantId=1146029695717560320, journalId=1235980550691926019, issueId=1314907112854089785, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null, downloadFileDto=null}, startPage=146, endPage=150, ext={EN=ArticleExt(id=1314907256429310507, articleId=1314907256139903530, tenantId=1146029695717560320, journalId=1235980550691926019, language=EN, title=Microstructure and Mineral Composition of Sintered High-Limonite Ore with Different Particle Sizes, columnId=1236276106727321817, journalTitle=Mining and Metallurgical Engineering, columnName=METALLURGY, runingTitle=null, highlight=null, articleAbstract=

In order to investigate the microstructure and mineral composition of sintered limonite (42% in mass fraction) within different size fraction, a sintering pot test was used to simulate the actual sintering process conditions. Thereby, the sintered ore with different particle sizes were prepared, and then mineralogical microscope was used to analyze its microstructure characteristics. The results show that if the mixed ore has the powdered ore with size larger than 5 mm in a mass fraction of 25.23%, the finally sintered ore with small particle size increases, presenting a poor pelletizing performance. As the sintered ore has its particle size reduced from 40 mm to a range of 5-12 mm, the bonding phase therein is in a mass fraction decreasing from 59.10% to 23.19%, and the calcium ferrite has its morphology converting from being acicular to flaky and agglomerated, and its mass fraction decreases from 39.43% to 17.26%. It is found that the sintered ore has converted from the structure with magnetite interwoven with calcium ferrite to granular structure composed of hematite, magnetite and bonding phase. The euhedral to subhedral magnetite grains are transformed to be anhedral, and the number of micropores between and within the grains increases, presenting a "porous and thin-walled" structure, resulting in worse performance in the strength of the sintered ore.

, authors=Guocheng ZHANG¹, Yifan CHAI², Hongxia LI¹, Qiannan JIA¹, Guoping LUO², Shengli YONG¹, authorsList=Guocheng ZHANG, Yifan CHAI, Hongxia LI, Qiannan JIA, Guoping LUO, Shengli YONG, authorCompany=null, correspAuthors=Shengli YONG, 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=1314907256857129516, articleId=1314907256139903530, tenantId=1146029695717560320, journalId=1235980550691926019, language=CN, title=高褐铁矿配比条件下不同粒度烧结矿显微结构和矿物组成特点研究, columnId=1236276107322913000, journalTitle=矿冶工程杂志, columnName=冶金, runingTitle=null, highlight=null, articleAbstract=

采用烧结杯试验模拟实际烧结工艺条件，对褐铁矿质量分数42%的铁矿粉进行烧结，制备得到不同粒级的烧结矿，并采用矿相显微镜分析了烧结矿的微观结构特征。结果表明，混合矿中大于5 mm矿粉颗粒产率达到25.23%，制粒性能较差，导致小粒径烧结矿增多；随着烧结矿粒度由40 mm变小至5~12 mm，烧结矿黏结相质量分数由59.10%降至23.19%，铁酸钙形貌由针状向片状、团块状转变，其质量分数由39.43%降至17.26%，烧结矿微观结构由磁铁矿与铁酸钙的熔蚀交织结构转变为赤铁矿、磁铁矿和黏结相的粒状结构，磁铁矿晶粒由自形-半自形变为他形晶，晶粒间及晶粒中的微孔增多，呈现“多孔薄壁”结构，烧结矿强度性能变差。

, authors=张国成¹, 柴轶凡², 李红霞¹, 贾倩南¹, 罗果萍², 雍胜利¹, authorsList=张国成, 柴轶凡, 李红霞, 贾倩南, 罗果萍, 雍胜利, authorCompany=null, correspAuthors=雍胜利, authorNote=, correspAuthorsNote=, copyrightStatement=null, copyrightOwner=null, extLink=null, articleAbsUrl=null, sourceXml=gV4oExXUSM7QTia2lJU3hA==, magXml=AxnYFyKy6wbbp0qwZrhLCQ==, pdfUrl=null, pdf=MKrIZmTYHtabmLRPclohQQ==, pdfFileSize=3227514, pdfExtLink=null, richHtmlUrl=null, mobilePdfUrl=null, reviewReport=null, pdfFirstPage=null, abstractGraph=null, abstractGraphContent=null, abstractVideo=null, citation=null, cebUrl=null, magXmlContent=2V9/6Owwovo5GgCU71jGOA==, mapNumber=null, fund=null)}, authors=[Author(id=1314907257243005492, tenantId=1146029695717560320, journalId=1235980550691926019, articleId=1314907256139903530, orderNo=0, firstName=null, middleName=null, lastName=null, nameCn=null, orcid=null, stid=null, country=null, authorPic=null, dead=0, email=644942242@qq.com, emailSecond=null, emailThird=null, correspondingAuthor=0, authorType=1, ext={EN=AuthorExt(id=1314907257318502967, tenantId=1146029695717560320, journalId=1235980550691926019, articleId=1314907256139903530, authorId=1314907257243005492, language=EN, stringName=Guocheng ZHANG, firstName=Guocheng, middleName=null, lastName=ZHANG, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=¹, address=^1.Department of Chemistry, Baotou Teachers' College, Baotou 014030, Inner Mongolia, China, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null), CN=AuthorExt(id=1314907257381417528, tenantId=1146029695717560320, journalId=1235980550691926019, articleId=1314907256139903530, authorId=1314907257243005492, language=CN, stringName=张国成, firstName=null, middleName=null, lastName=null, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=¹, address=^1．包头师范学院化学学院，内蒙古 包头 014030, bio={"content":"

张国成（1986—），男，内蒙古包头人，博士，副教授，主要从事烧结球团技术研究工作。E-mail: 644942242@qq.com

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张国成（1986—），男，内蒙古包头人，博士，副教授，主要从事烧结球团技术研究工作。E-mail: 644942242@qq.com

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