| 柠檬酸对氯氧镁水泥的改性 |
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| 引用本文： | 陈啸洋,毕万利,张婷婷,余红发,关岩,梁媛媛.柠檬酸对氯氧镁水泥的改性[J].硅酸盐学报,2019,47(7):884-890. |
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| 作者姓名： | 陈啸洋 毕万利 张婷婷 余红发 关岩 梁媛媛 |
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| 作者单位： | 辽宁科技大学高温材料与镁资源工程学院,辽宁 鞍山,114000;大连理工大学建设工程学部,辽宁 大连,116024;南京航空航天大学土木工程系,南京,210016 |
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| 摘 要： | 为了拓宽氯氧镁水泥(MOC)在建筑、道路等行业的应用,向MOC中掺入柠檬酸,分析了柠檬酸对MOC抗压强度、耐硫酸盐侵蚀性、耐水性、相组成、热稳定性、凝结时间和微观形貌的影响。结果表明:MOC中掺入柠檬酸提高了水化产物5相含量和耐水性;降低了MOC的抗压强度、热稳定性及总孔隙率;延长了MOC的凝结时间。此外,掺入柠檬酸的MOC浸泡在硫酸钠溶液28d后提高了MOC的耐水性,MOC强度保留系数达到0.8。
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| 关 键 词： | 氯氧镁水泥 柠檬酸 水化产物 微观形貌 耐硫酸盐侵蚀性 |
Modification of Magnesium Oxychloride Cement by Citric Acid |
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| CHEN Xiaoyang,BI Wanli,ZHANG Tingting,YU Hongfa,GUAN Yan,LIANG Yuanyuan.Modification of Magnesium Oxychloride Cement by Citric Acid[J].Journal of The Chinese Ceramic Society,2019,47(7):884-890. |
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| Authors: | CHEN Xiaoyang BI Wanli ZHANG Tingting YU Hongfa GUAN Yan LIANG Yuanyuan |
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| Affiliation: | (School of High Temperature Material and Magnesite Resources Engineering,University of Science and Technology Liaoning,Anshan 114000,Liaoning,China;Faculty of Infrastructure Engineering,Dalian University of Technology,Dalian 116024,Liaoning,China;Department of Civil Engineering,Nanjing University of Aeronautics and Astronautics,Nanjing 210016,China) |
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| Abstract: | CHEN Xiaoyang;BI Wanli;ZHANG Tingting;YU Hongfa;GUAN Yan;LIANG Yuanyuan(School of High Temperature Material and Magnesite Resources Engineering,University of Science and Technology Liaoning,Anshan 114000,Liaoning,China;Faculty of Infrastructure Engineering,Dalian University of Technology,Dalian 116024,Liaoning,China;Department of Civil Engineering,Nanjing University of Aeronautics and Astronautics,Nanjing 210016,China) |
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| Keywords: | magnesium oxychloride cement citric acid hydration products microstructure sulfate corrosion resistance |
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