| MgO—MgCl2—H2O体系的凝固过程 |
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| 引用本文： | 沈兴,刘志全.MgO—MgCl2—H2O体系的凝固过程[J].北京科技大学学报,1990,12(6):578-583. |
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| 作者姓名： | 沈兴 刘志全 |
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| 作者单位： | 北京科技大学化学系
(沈兴，刘志全，马肇曾)，北京科技大学化学系(沈朴) |
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| 摘 要： | 用X射线衍射和差热分析方法研究MgO、MgCl_2与H_2O的凝结物,摩尔比分别为5:1:13、3:1:11、5:1:11.39和3.75:1:12.25四种配凝体系,在不同凝结时间内的相组成与相含量。两种实验方法的结果表明:不同配比时其凝固过程的相组成不同;5Mg(OH)_2MgCl_28H_2O晶相可以是稳态,也可以是亚稳态,这与配凝体系中有无胶凝物质或其他物质的存在有关。他是强度的主要相。
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| 关 键 词： | 镁石水泥 高强水泥 凝固过程 |
The Study of Setting Processes of MgO-MgCl_2-H_2O System |
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| Shen Xing Liu Zhiquan Ma Zhaozeng Shen Pu.The Study of Setting Processes of MgO-MgCl_2-H_2O System[J].Journal of University of Science and Technology Beijing,1990,12(6):578-583. |
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| Authors: | Shen Xing Liu Zhiquan Ma Zhaozeng Shen Pu |
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| Institution: | Shen Xing Liu Zhiquan Ma Zhaozeng Shen Pu Department of Chemistry |
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| Abstract: | The setting processes and phase compositions of four MgOMg-C12-H2O systems with mole ratios; 5:1:13, 3:1:11, 5:1:14.39, and 3.75:1:12.25 at different setting ages by using the X-ray Diffraction and Differential Thermal Analysis (DAT) methods are studied. The same results are shown that the system with different mole ratios leads to different setting processes; the 5Mg (OH) 2 MgCl2 8H2O phase may be in either stable state or metastable state, it depends on the existance of gel phase or other phases in the system. |
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| Keywords: | MgO-MgCl2-H2O system setting process Sorel cement phase co- mposition |
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