Article(id=1319236924636771153, tenantId=1146029695717560320, journalId=1263187385517883426, issueId=1319236892848148894, articleNumber=null, orderNo=null, doi=10.14062/j.issn.0454-5648.20211073, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1639065600000, receivedDateStr=2021-12-10, revisedDate=1642608000000, revisedDateStr=2022-01-20, acceptedDate=null, acceptedDateStr=null, onlineDate=1792460193069, onlineDateStr=2026-10-20, pubDate=1668873600000, pubDateStr=2022-11-20, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1792460193069, onlineIssueDateStr=2026-10-20, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1792460193069, creator=13701087609, updateTime=1792460193069, updator=13701087609, issue=Issue{id=1319236892848148894, tenantId=1146029695717560320, journalId=1263187385517883426, year='2022', volume='50', issue='11', pageStart='2809', pageEnd='3090', issueExtLink='null', onlineDate='null', pubDate='1668873600000', pubDateStr='2022-11-20', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1792460185491, creator='13701087609', updateTime=1792460700564, updator='13701087609', preIssue=null, nextIssue=null, articleTotal=null, ext={EN=IssueExt(id=1319239053275411177, tenantId=1146029695717560320, journalId=1263187385517883426, issueId=1319236892848148894, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1319239053275411178, tenantId=1146029695717560320, journalId=1263187385517883426, issueId=1319236892848148894, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null, downloadFileDto=null}, startPage=2826, endPage=2833, ext={EN=ArticleExt(id=1319236924959732562, articleId=1319236924636771153, tenantId=1146029695717560320, journalId=1263187385517883426, language=EN, title=Effect of Metal Cation on Water Resistance of Magnesium Oxychloride Cement, columnId=1263922769897599102, journalTitle=Journal of the Chinese Ceramic Society, columnName=Research Articles, runingTitle=null, highlight=null, articleAbstract=

Magnesium oxychloride cement (MOC) has some advantages like light weight, early strength, low thermal conductivity, and fire resistance, but poor water resistance restricts the application of MOC in civil, construction and other fields. This paper was to improve the water resistance of MOC by using soluble sulfates containing different metal cations as additives. The effect of soluble metal cations on the setting time and compressive strength of MOC was investigated. The phase composition, microstructure and pore structure of modified MOC were characterized by X-ray diffraction, scanning electron microscopy, and mercury intrusion porosimetry. The results show that Al3+, Fe2+, Cu2+ ions and free OH- ions in the MOC slurry can preferentially form a precipitate, inhibiting the formation of Mg(OH)2, delaying the hydration of MgO, prolonging the setting time, reducing the total porosity of the MOC matrix, and improving the water resistance of MOC. In addition, SO42- ions can also improve the stability of 5Mg(OH)2·MgCl2·8H2O after soaking in water through the adsorption and coordination with Mg2+ ions in 5Mg(OH)2·MgCl2·8H2O.

, authors=Hetian GAO1, Xiaoyang CHEN2, Hongfa YU4, Yan GUAN3, 5, Wanli BI3, 5, Jing LI2, authorsList=Hetian GAO, Xiaoyang CHEN, Hongfa YU, Yan GUAN, Wanli BI, Jing LI, authorCompany=null, correspAuthors=Yan GUAN, authorNote=

GAO Hetian (1996-), male, Master candidate. E-mail:

, correspAuthorsNote=
GUAN Yan (1971-), female, 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=1319236925219779411, articleId=1319236924636771153, tenantId=1146029695717560320, journalId=1263187385517883426, language=CN, title=金属阳离子对氯氧镁水泥耐水性的影响, columnId=1263922770220560512, journalTitle=硅酸盐学报, columnName=研究论文, runingTitle=null, highlight=null, articleAbstract=

氯氧镁水泥(MOC)具有质轻早强、导热系数低、耐火等优势,但耐水性差限制了其在土木、建筑等工程的应用。为了提高MOC耐水性,以含不同金属阳离子的可溶性硫酸盐作为改性剂,分析了可溶性金属阳离子对MOC凝结时间、抗压强度和耐水性的影响,探究了被改性后的MOC相组成、微观形貌和孔结构的变化规律。结果表明:Al3+、Fe2+、Cu2+与MOC料浆中的游离OH-可优先形成沉淀,这抑制了Mg(OH)2的形成,延缓MgO水化,延长了凝结时间,降低了MOC基体的总孔隙率,提高MOC的耐水性。其中,对MOC耐水性的改善效果从高到低依次为:Fe2+,Cu2+,Al3+,Na2+。此外,SO42-可通过与5Mg(OH)2·MgCl2·8H2O中Mg2+的吸附配位作用提高5Mg(OH)2·MgCl2·8H2O在水中的稳定性。

, authors=高鹤天1, 陈啸洋2, 余红发4, 关岩3, 5, 毕万利3, 5, 李晶2, authorsList=高鹤天, 陈啸洋, 余红发, 关岩, 毕万利, 李晶, authorCompany=null, correspAuthors=关岩, authorNote=

高鹤天(1996—),男,硕士研究生。

, correspAuthorsNote=
关岩(1971—),女,副教授。
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GAO Hetian (1996-), male, Master candidate. E-mail:

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GAO Hetian (1996-), male, Master candidate. E-mail:

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高鹤天(1996—),男,硕士研究生。

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高鹤天(1996—),男,硕士研究生。

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金属阳离子对氯氧镁水泥耐水性的影响
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高鹤天 1 , 陈啸洋 2 , 余红发 4 , 关岩 3, 5 , 毕万利 3, 5 , 李晶 2
硅酸盐学报 | 研究论文 2022,50(11): 2826-2833
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硅酸盐学报 |研究论文 2022 , 50 (11) : 2826 -2833
金属阳离子对氯氧镁水泥耐水性的影响
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高鹤天(1996—),男,硕士研究生。

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高鹤天1 , 陈啸洋2, 余红发4, 关岩3, 5 , 毕万利3, 5, 李晶2
作者信息
  • 1.辽宁科技大学土木工程学院,辽宁 鞍山 114051
  • 2.辽宁科技大学化工学院,辽宁 鞍山 114051
  • 3.辽宁科技大学材料与冶金学院,辽宁 鞍山 114051
  • 4.南京航空航天大学土木工程系,南京 210016
  • 5.辽宁科技大学科大峰驰镁建材研究院,辽宁 鞍山 114051
通讯作者:
关岩(1971—),女,副教授。
作者简介:

高鹤天(1996—),男,硕士研究生。

Effect of Metal Cation on Water Resistance of Magnesium Oxychloride Cement
Hetian GAO1 , Xiaoyang CHEN2, Hongfa YU4, Yan GUAN3, 5 , Wanli BI3, 5, Jing LI2
Affiliations
  • 1.School of Civil Engineering, University of Science and Technology Liaoning, Anshan 114051, Liaoning, China
  • 2.School of Chemical Engineering, University of Science and Technology Liaoning, Anshan 114051, Liaoning, China
  • 3.School of Materials and Metallurgy, University of Science and Technology Liaoning, Anshan 114051, Liaoning, China
  • 4.Department of Civil Engineering, Nanjing University of Aeronautics and Astronautics, Nanjing 210016, China
  • 5.Research Institution of Keda Fengchi Magnesium Building Materials, University of Science and Technology Liaoning, Anshan 114051, Liaoning, China
  • Corresponding Author:
    GUAN Yan (1971-), female, associate Professor. E-mail:

    GAO Hetian (1996-), male, Master candidate. E-mail:

出版时间: 2022-11-20 doi: 10.14062/j.issn.0454-5648.20211073
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氯氧镁水泥(MOC)具有质轻早强、导热系数低、耐火等优势,但耐水性差限制了其在土木、建筑等工程的应用。为了提高MOC耐水性,以含不同金属阳离子的可溶性硫酸盐作为改性剂,分析了可溶性金属阳离子对MOC凝结时间、抗压强度和耐水性的影响,探究了被改性后的MOC相组成、微观形貌和孔结构的变化规律。结果表明:Al3+、Fe2+、Cu2+与MOC料浆中的游离OH-可优先形成沉淀,这抑制了Mg(OH)2的形成,延缓MgO水化,延长了凝结时间,降低了MOC基体的总孔隙率,提高MOC的耐水性。其中,对MOC耐水性的改善效果从高到低依次为:Fe2+,Cu2+,Al3+,Na2+。此外,SO42-可通过与5Mg(OH)2·MgCl2·8H2O中Mg2+的吸附配位作用提高5Mg(OH)2·MgCl2·8H2O在水中的稳定性。

氯氧镁水泥  /  可溶性硫酸盐  /  水化产物  /  耐水性

Magnesium oxychloride cement (MOC) has some advantages like light weight, early strength, low thermal conductivity, and fire resistance, but poor water resistance restricts the application of MOC in civil, construction and other fields. This paper was to improve the water resistance of MOC by using soluble sulfates containing different metal cations as additives. The effect of soluble metal cations on the setting time and compressive strength of MOC was investigated. The phase composition, microstructure and pore structure of modified MOC were characterized by X-ray diffraction, scanning electron microscopy, and mercury intrusion porosimetry. The results show that Al3+, Fe2+, Cu2+ ions and free OH- ions in the MOC slurry can preferentially form a precipitate, inhibiting the formation of Mg(OH)2, delaying the hydration of MgO, prolonging the setting time, reducing the total porosity of the MOC matrix, and improving the water resistance of MOC. In addition, SO42- ions can also improve the stability of 5Mg(OH)2·MgCl2·8H2O after soaking in water through the adsorption and coordination with Mg2+ ions in 5Mg(OH)2·MgCl2·8H2O.

magnesium oxychloride cement  /  soluble sulfate  /  hydration products  /  water resistance
高鹤天, 陈啸洋, 余红发, 关岩, 毕万利, 李晶. 金属阳离子对氯氧镁水泥耐水性的影响. 硅酸盐学报, 2022 , 50 (11) : 2826 -2833 . DOI: 10.14062/j.issn.0454-5648.20211073
Hetian GAO, Xiaoyang CHEN, Hongfa YU, Yan GUAN, Wanli BI, Jing LI. Effect of Metal Cation on Water Resistance of Magnesium Oxychloride Cement[J]. Journal of the Chinese Ceramic Society, 2022 , 50 (11) : 2826 -2833 . DOI: 10.14062/j.issn.0454-5648.20211073
  • 国家重点研发计划子课题(2020YFC1909304)
  • 国家自然科学基金面上项目(51778101)
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doi: 10.14062/j.issn.0454-5648.20211073
  • 接收时间:2021-12-10
  • 首发时间:2026-10-20
  • 出版时间:2022-11-20
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  • 收稿日期:2021-12-10
  • 修回日期:2022-01-20
基金
国家重点研发计划子课题(2020YFC1909304)
国家自然科学基金面上项目(51778101)
作者信息
    1.辽宁科技大学土木工程学院,辽宁 鞍山 114051
    2.辽宁科技大学化工学院,辽宁 鞍山 114051
    3.辽宁科技大学材料与冶金学院,辽宁 鞍山 114051
    4.南京航空航天大学土木工程系,南京 210016
    5.辽宁科技大学科大峰驰镁建材研究院,辽宁 鞍山 114051

通讯作者:

关岩(1971—),女,副教授。
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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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