Article(id=1319222601147339703, tenantId=1146029695717560320, journalId=1263187385517883426, issueId=1319222570398888648, articleNumber=null, orderNo=null, doi=10.14062/j.issn.0454-5648.20220867, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1665504000000, receivedDateStr=2022-10-12, revisedDate=1666886400000, revisedDateStr=2022-10-28, acceptedDate=null, acceptedDateStr=null, onlineDate=1792456778084, onlineDateStr=2026-10-20, pubDate=1679241600000, pubDateStr=2023-03-20, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1792456778084, onlineIssueDateStr=2026-10-20, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1792456778084, creator=13701087609, updateTime=1792456778084, updator=13701087609, issue=Issue{id=1319222570398888648, tenantId=1146029695717560320, journalId=1263187385517883426, year='2023', volume='51', issue='3', pageStart='561', pageEnd='830', issueExtLink='null', onlineDate='null', pubDate='1679241600000', pubDateStr='2023-03-20', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=0, createTime=1792456770752, creator='13701087609', updateTime=1792456924637, updator='13701087609', preIssue=null, nextIssue=null, articleTotal=null, ext={EN=IssueExt(id=1319223215889699377, tenantId=1146029695717560320, journalId=1263187385517883426, issueId=1319222570398888648, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1319223215889699378, tenantId=1146029695717560320, journalId=1263187385517883426, issueId=1319222570398888648, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null, downloadFileDto=null}, startPage=602, endPage=609, ext={EN=ArticleExt(id=1319222601419969464, articleId=1319222601147339703, tenantId=1146029695717560320, journalId=1263187385517883426, language=EN, title=Effect of TiO2 on Thermal Shock Resistance and Slag Penetration Resistance of Magnesia, columnId=1321891096775472081, journalTitle=Journal of the Chinese Ceramic Society, columnName=Special Issue on Advances in Basic Research on Refractories Related—Research Articles, runingTitle=null, highlight=null, articleAbstract=

To improve the resistance to hydration, thermal shock and slag penetration of magnesia, a magnesia based composite was prepared via adding TiO2 powder (i.e., 1% (in mass fraction), 2% and 3%) into a light burned magnesia powder. The effect of TiO2 content on the sintering behavior, microstructure and properties of the composite was investigated. The results show that free CaO and some MgO transform into CaTiO3 and Mg2TiO4 and the size of MgO grains increases as TiO2 addition increases, leading to an improvement in the hydration resistance. The formed CaTiO3 and Mg2TiO4 phases reduce the thermal expansion coefficient and induce the crack deflection as TiO2 content increases, therefore improving the thermal shock resistance of the specimens. Besides, as 1% TiO2 is added, the slag penetration resistance of the specimens is enhanced due to the increase in MgO grain size and the formation of high stable intergranular CaTiO3 phase. However, the further increasing TiO2 content reduces the slag penetration resistance due to the formation of low stable Mg2TiO4 phase at MgO grain boundaries.

, authors=Zhenzhen LI1, Yibiao XU1, Qinghu WANG1, Tianbin ZHU1, Yajie DAI1, Fen ZHOU2, Chao XU2, authorsList=Zhenzhen LI, Yibiao XU, Qinghu WANG, Tianbin ZHU, Yajie DAI, Fen ZHOU, Chao XU, authorCompany=null, correspAuthors=Yibiao XU, authorNote=

LI Zhenzhen (1997-), female, Master candidate. E-mail:

, correspAuthorsNote=
XU Yibiao (1986-), male, Ph.D., Associate Professor. E-mail:
, 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=1319222601931674553, articleId=1319222601147339703, tenantId=1146029695717560320, journalId=1263187385517883426, language=CN, title=氧化钛对镁砂抗热震性能及抗渣渗透性能的影响, columnId=1321891096976798674, journalTitle=硅酸盐学报, columnName=耐火材料相关基础研究进展专题—研究论文, runingTitle=null, highlight=null, articleAbstract=

为改善镁砂抗水化性能、抗热震性能及抗熔渣渗透性能,在轻烧氧化镁粉中添加1%(质量分数)、2%及3%的TiO2微粉制备镁质复合材料,研究了TiO2含量对材料烧结行为、显微结构及各性能的影响。结果表明:随TiO2添加量增加,游离CaO及部分MgO相继转化为CaTiO3及Mg2TiO4相,且MgO晶粒尺寸增大,样品抗水化性能显著提高。CaTiO3及Mg2TiO4晶间相的形成降低了样品的热膨胀系数,诱导裂纹发生偏转,因此,样品的抗热震性能也随TiO2增加逐步提高。此外,添加1%的TiO2样品,因MgO晶粒增大及高稳定性的CaTiO3晶间相形成,抗渣性能明显提高。然而,进一步增加TiO2,低稳定性的Mg2TiO4晶间相的生成显著降低了样品的抗渣渗透性能。

, authors=李真真1, 徐义彪1, 王庆虎1, 朱天彬1, 戴亚洁1, 周芬2, 徐超2, authorsList=李真真, 徐义彪, 王庆虎, 朱天彬, 戴亚洁, 周芬, 徐超, authorCompany=null, correspAuthors=徐义彪, authorNote=

李真真(1997—),女,硕士研究生。

, correspAuthorsNote=
徐义彪(1986—),男,博士,副教授。
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氧化钛对镁砂抗热震性能及抗渣渗透性能的影响
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李真真 1 , 徐义彪 1 , 王庆虎 1 , 朱天彬 1 , 戴亚洁 1 , 周芬 2 , 徐超 2
硅酸盐学报 | 耐火材料相关基础研究进展专题—研究论文 2023,51(3): 602-609
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硅酸盐学报 |耐火材料相关基础研究进展专题—研究论文 2023 , 51 (3) : 602 -609
氧化钛对镁砂抗热震性能及抗渣渗透性能的影响
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李真真(1997—),女,硕士研究生。

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李真真1 , 徐义彪1 , 王庆虎1, 朱天彬1, 戴亚洁1, 周芬2, 徐超2
作者信息
  • 1.武汉科技大学,省部共建耐火材料与冶金国家重点实验室,武汉 430081
  • 2.武汉钢铁集团耐火材料有限责任公司,武汉 430082
通讯作者:
徐义彪(1986—),男,博士,副教授。
作者简介:

李真真(1997—),女,硕士研究生。

Effect of TiO2 on Thermal Shock Resistance and Slag Penetration Resistance of Magnesia
Zhenzhen LI1 , Yibiao XU1 , Qinghu WANG1, Tianbin ZHU1, Yajie DAI1, Fen ZHOU2, Chao XU2
Affiliations
  • 1.The State Key Laboratory of Refractories and Metallurgy, Wuhan University of Science and Technology, Wuhan 430081, China
  • 2.Wugang Refractory Co. Ltd., Wuhan 430082, China
  • Corresponding Author:
    XU Yibiao (1986-), male, Ph.D., Associate Professor. E-mail:

    LI Zhenzhen (1997-), female, Master candidate. E-mail:

出版时间: 2023-03-20 doi: 10.14062/j.issn.0454-5648.20220867
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为改善镁砂抗水化性能、抗热震性能及抗熔渣渗透性能,在轻烧氧化镁粉中添加1%(质量分数)、2%及3%的TiO2微粉制备镁质复合材料,研究了TiO2含量对材料烧结行为、显微结构及各性能的影响。结果表明:随TiO2添加量增加,游离CaO及部分MgO相继转化为CaTiO3及Mg2TiO4相,且MgO晶粒尺寸增大,样品抗水化性能显著提高。CaTiO3及Mg2TiO4晶间相的形成降低了样品的热膨胀系数,诱导裂纹发生偏转,因此,样品的抗热震性能也随TiO2增加逐步提高。此外,添加1%的TiO2样品,因MgO晶粒增大及高稳定性的CaTiO3晶间相形成,抗渣性能明显提高。然而,进一步增加TiO2,低稳定性的Mg2TiO4晶间相的生成显著降低了样品的抗渣渗透性能。

氧化镁  /  游离氧化钙  /  氧化钛  /  抗水化性能  /  抗热震性能  /  抗渣渗透性能

To improve the resistance to hydration, thermal shock and slag penetration of magnesia, a magnesia based composite was prepared via adding TiO2 powder (i.e., 1% (in mass fraction), 2% and 3%) into a light burned magnesia powder. The effect of TiO2 content on the sintering behavior, microstructure and properties of the composite was investigated. The results show that free CaO and some MgO transform into CaTiO3 and Mg2TiO4 and the size of MgO grains increases as TiO2 addition increases, leading to an improvement in the hydration resistance. The formed CaTiO3 and Mg2TiO4 phases reduce the thermal expansion coefficient and induce the crack deflection as TiO2 content increases, therefore improving the thermal shock resistance of the specimens. Besides, as 1% TiO2 is added, the slag penetration resistance of the specimens is enhanced due to the increase in MgO grain size and the formation of high stable intergranular CaTiO3 phase. However, the further increasing TiO2 content reduces the slag penetration resistance due to the formation of low stable Mg2TiO4 phase at MgO grain boundaries.

magnesium oxide  /  free calcium oxide  /  titanium oxide  /  hydration resistance  /  thermal shock resistance  /  slag penetration resistance
李真真, 徐义彪, 王庆虎, 朱天彬, 戴亚洁, 周芬, 徐超. 氧化钛对镁砂抗热震性能及抗渣渗透性能的影响. 硅酸盐学报, 2023 , 51 (3) : 602 -609 . DOI: 10.14062/j.issn.0454-5648.20220867
Zhenzhen LI, Yibiao XU, Qinghu WANG, Tianbin ZHU, Yajie DAI, Fen ZHOU, Chao XU. Effect of TiO2 on Thermal Shock Resistance and Slag Penetration Resistance of Magnesia[J]. Journal of the Chinese Ceramic Society, 2023 , 51 (3) : 602 -609 . DOI: 10.14062/j.issn.0454-5648.20220867
  • 国家自然科学基金联合基金重点项目(U1908227)
  • 湖北省重点研发计划(2020BHB010)
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2023年第51卷第3期
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doi: 10.14062/j.issn.0454-5648.20220867
  • 接收时间:2022-10-12
  • 首发时间:2026-10-20
  • 出版时间:2023-03-20
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  • 收稿日期:2022-10-12
  • 修回日期:2022-10-28
基金
国家自然科学基金联合基金重点项目(U1908227)
湖北省重点研发计划(2020BHB010)
作者信息
    1.武汉科技大学,省部共建耐火材料与冶金国家重点实验室,武汉 430081
    2.武汉钢铁集团耐火材料有限责任公司,武汉 430082

通讯作者:

徐义彪(1986—),男,博士,副教授。
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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