Article(id=1319232621306036434, tenantId=1146029695717560320, journalId=1263187385517883426, issueId=1319232566922695375, articleNumber=null, orderNo=null, doi=10.14062/j.issn.0454-5648.20211015, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1637856000000, receivedDateStr=2021-11-26, revisedDate=1639670400000, revisedDateStr=2021-12-17, acceptedDate=null, acceptedDateStr=null, onlineDate=1792459167075, onlineDateStr=2026-10-20, pubDate=1658246400000, pubDateStr=2022-07-20, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1792459167075, onlineIssueDateStr=2026-10-20, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1792459167075, creator=13701087609, updateTime=1792459167075, updator=13701087609, issue=Issue{id=1319232566922695375, tenantId=1146029695717560320, journalId=1263187385517883426, year='2022', volume='50', issue='7', pageStart='1775', pageEnd='2066', issueExtLink='null', onlineDate='null', pubDate='1658246400000', pubDateStr='2022-07-20', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1792459154109, creator='13701087609', updateTime=1792460038980, updator='13701087609', preIssue=null, nextIssue=null, articleTotal=null, ext={EN=IssueExt(id=1319236278420357264, tenantId=1146029695717560320, journalId=1263187385517883426, issueId=1319232566922695375, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1319236278420357265, tenantId=1146029695717560320, journalId=1263187385517883426, issueId=1319232566922695375, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null, downloadFileDto=null}, startPage=1972, endPage=1977, ext={EN=ArticleExt(id=1319232622698545363, articleId=1319232621306036434, tenantId=1146029695717560320, journalId=1263187385517883426, language=EN, title=Evolution and Formation Kinetics of Gehlenite Phase in Ordinary Sulfoaluminate Cement Clinker with Low Al2O3/SiO2 Ratio, columnId=1263922769897599102, journalTitle=Journal of the Chinese Ceramic Society, columnName=Research Articles, runingTitle=null, highlight=null, articleAbstract=

To reveal the mechanism of the inert gehlenite (C2AS) phase in sulfoaluminate cement clinker at a low Al2O3/SiO2 ratio, a series of clinkers were prepared at different calcination temperatures and holding time as well as a fixed Al2O3/SiO2 ratio of 2. The evolution of C2AS was investigated by X-ray diffraction combined with the Rietveld method and thermogravimetry-differential scanning calorimetry. The results show that C2AS is produced by the reaction of CaO, SiO2 and Al2O3 at 950-1 200 ℃. C2AS is mainly produced by the reaction of CA and CaO decomposed from C4A3$ with the residual SiO2 when the temperature exceeds 1 200 ℃. It is indicated that the kinetics of the C2AS formation above 1 200 ℃ is mainly controlled by the diffusion of Ca2+, and the activation energy of the reaction is (305±20) kJ/mol. This study provides a a guidance for the use of low-grade bauxite in the calcination of sulfoaluminate cement clinker.

, authors=Qingchun YANG, Jiaming WU, Changqing HU, Teng NIU, Xiangyu HAN, Xueyan FENG, Zhengmao YE, authorsList=Qingchun YANG, Jiaming WU, Changqing HU, Teng NIU, Xiangyu HAN, Xueyan FENG, Zhengmao YE, authorCompany=null, correspAuthors=Jiaming WU, Zhengmao YE, authorNote=

YANG Qingchun (1997-), male, Doctoral candidate. E-mail:

, correspAuthorsNote=
WU Jiaming (1992-), female, Ph.D., Lecturer; E-mail:
YE Zhengmao (1975-), male, Ph.D., Professor.
, 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=1319232623097004244, articleId=1319232621306036434, tenantId=1146029695717560320, journalId=1263187385517883426, language=CN, title=低铝硅比条件下硫铝酸盐水泥熟料中钙铝黄长石相的演变及形成动力学, columnId=1263922770220560512, journalTitle=硅酸盐学报, columnName=研究论文, runingTitle=null, highlight=null, articleAbstract=

为揭示低铝硅比(质量比)条件下硫铝酸盐水泥熟料中低水化活性钙铝黄长石相(C2AS)降低熟料质量的作用机制,固定铝硅质量比为2,通过改变煅烧温度及保温时间制备了一系列熟料。采用X射线衍射结合Rietveld方法和热重-差示扫描量热法,研究了C2AS的演变过程。结果表明:950~1200 ℃范围内C2AS主要由CaO、SiO2以及Al2O3反应而来;当温度超过1200 ℃时,C2AS主要由C4A3$分解出的CA及CaO与残留的SiO2反应形成。反应动力学分析表明:超过1200 ℃时C2AS的形成主要由Ca2+的扩散过程控制,其反应活化能为(305±20) kJ/mol。本研究为硫铝酸盐水泥熟料煅烧过程中低品位铝矾土的使用提供了理论指导。

, authors=杨庆春, 吴佳明, 胡常庆, 牛腾, 汉翔宇, 冯雪艳, 叶正茂, authorsList=杨庆春, 吴佳明, 胡常庆, 牛腾, 汉翔宇, 冯雪艳, 叶正茂, authorCompany=null, correspAuthors=吴佳明, 叶正茂, authorNote=

杨庆春(1997—),男,博士研究生。

, correspAuthorsNote=
吴佳明(1992—),女,博士,讲师;
叶正茂(1975—),男,博士,教授。
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低铝硅比条件下硫铝酸盐水泥熟料中钙铝黄长石相的演变及形成动力学
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杨庆春 , 吴佳明 , 胡常庆 , 牛腾 , 汉翔宇 , 冯雪艳 , 叶正茂
硅酸盐学报 | 研究论文 2022,50(7): 1972-1977
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硅酸盐学报 |研究论文 2022 , 50 (7) : 1972 -1977
低铝硅比条件下硫铝酸盐水泥熟料中钙铝黄长石相的演变及形成动力学
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杨庆春 , 吴佳明 , 胡常庆, 牛腾, 汉翔宇, 冯雪艳, 叶正茂
作者信息
  • 济南大学材料科学与工程学院,济南 250000
通讯作者:
吴佳明(1992—),女,博士,讲师;
叶正茂(1975—),男,博士,教授。
作者简介:

杨庆春(1997—),男,博士研究生。

Evolution and Formation Kinetics of Gehlenite Phase in Ordinary Sulfoaluminate Cement Clinker with Low Al2O3/SiO2 Ratio
Qingchun YANG , Jiaming WU , Changqing HU, Teng NIU, Xiangyu HAN, Xueyan FENG, Zhengmao YE
Affiliations
  • College of Materials Science and Engineering, University of Jinan, Jinan 250000, China
  • Corresponding Author:
    WU Jiaming (1992-), female, Ph.D., Lecturer; E-mail:
    YE Zhengmao (1975-), male, Ph.D., Professor.

    YANG Qingchun (1997-), male, Doctoral candidate. E-mail:

出版时间: 2022-07-20 doi: 10.14062/j.issn.0454-5648.20211015
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为揭示低铝硅比(质量比)条件下硫铝酸盐水泥熟料中低水化活性钙铝黄长石相(C2AS)降低熟料质量的作用机制,固定铝硅质量比为2,通过改变煅烧温度及保温时间制备了一系列熟料。采用X射线衍射结合Rietveld方法和热重-差示扫描量热法,研究了C2AS的演变过程。结果表明:950~1200 ℃范围内C2AS主要由CaO、SiO2以及Al2O3反应而来;当温度超过1200 ℃时,C2AS主要由C4A3$分解出的CA及CaO与残留的SiO2反应形成。反应动力学分析表明:超过1200 ℃时C2AS的形成主要由Ca2+的扩散过程控制,其反应活化能为(305±20) kJ/mol。本研究为硫铝酸盐水泥熟料煅烧过程中低品位铝矾土的使用提供了理论指导。

硫铝酸盐水泥熟料  /  低铝硅比  /  钙铝黄长石  /  形成动力学

To reveal the mechanism of the inert gehlenite (C2AS) phase in sulfoaluminate cement clinker at a low Al2O3/SiO2 ratio, a series of clinkers were prepared at different calcination temperatures and holding time as well as a fixed Al2O3/SiO2 ratio of 2. The evolution of C2AS was investigated by X-ray diffraction combined with the Rietveld method and thermogravimetry-differential scanning calorimetry. The results show that C2AS is produced by the reaction of CaO, SiO2 and Al2O3 at 950-1 200 ℃. C2AS is mainly produced by the reaction of CA and CaO decomposed from C4A3$ with the residual SiO2 when the temperature exceeds 1 200 ℃. It is indicated that the kinetics of the C2AS formation above 1 200 ℃ is mainly controlled by the diffusion of Ca2+, and the activation energy of the reaction is (305±20) kJ/mol. This study provides a a guidance for the use of low-grade bauxite in the calcination of sulfoaluminate cement clinker.

sulfoaluminate cement clinker  /  low alumina to silica ratio  /  gehlenite  /  formation kinetics
杨庆春, 吴佳明, 胡常庆, 牛腾, 汉翔宇, 冯雪艳, 叶正茂. 低铝硅比条件下硫铝酸盐水泥熟料中钙铝黄长石相的演变及形成动力学. 硅酸盐学报, 2022 , 50 (7) : 1972 -1977 . DOI: 10.14062/j.issn.0454-5648.20211015
Qingchun YANG, Jiaming WU, Changqing HU, Teng NIU, Xiangyu HAN, Xueyan FENG, Zhengmao YE. Evolution and Formation Kinetics of Gehlenite Phase in Ordinary Sulfoaluminate Cement Clinker with Low Al2O3/SiO2 Ratio[J]. Journal of the Chinese Ceramic Society, 2022 , 50 (7) : 1972 -1977 . DOI: 10.14062/j.issn.0454-5648.20211015
  • 国家自然科学基金(52172018; U1806222)
  • 济南市科技计划项目(2019GXRC057)
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2022年第50卷第7期
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doi: 10.14062/j.issn.0454-5648.20211015
  • 接收时间:2021-11-26
  • 首发时间:2026-10-20
  • 出版时间:2022-07-20
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  • 收稿日期:2021-11-26
  • 修回日期:2021-12-17
基金
国家自然科学基金(52172018; U1806222)
济南市科技计划项目(2019GXRC057)
作者信息
    济南大学材料科学与工程学院,济南 250000

通讯作者:

吴佳明(1992—),女,博士,讲师;
叶正茂(1975—),男,博士,教授。
参考文献
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2种不同金属材料的力学参数
科
Family
属数
Number of
genus
种数
Number of
species
占总种数比例
Percentage of
total species (%)
属
Genus
种数
Number of
species
占总种数比例
Percentage of total
species (%)
鹅膏菌科Amanitaceae 2 11 5.26 鹅膏菌属 Amanita 10 4.78
小菇科 Mycenaceae 2 12 5.74 丝盖伞属 Inocybe 5 2.39
多孔菌科 Polyporaceae 8 14 6.70 蜡蘑属 Laccaria 5 2.39
红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87
小菇属 Mycena 11 5.26
光柄菇属 Pluteus 5 2.39
红菇属 Russula 17 8.13
栓菌属 Trametes 5 2.39
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