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Effect of Magnesium Oxide Doping on Formation and Hydration of Aluminate
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Qiang SONG1, Jiao NIE1, Yanxin CHEN1, Yaru HU1, Yang DENG2, Hui LI1
Journal of the Chinese Ceramic Society | 2022, 50(11) : 2855 - 2867
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Journal of the Chinese Ceramic Society | 2022, 50(11): 2855-2867
• Research Articles •
Effect of Magnesium Oxide Doping on Formation and Hydration of Aluminate
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Qiang SONG1, Jiao NIE1, Yanxin CHEN1, Yaru HU1, Yang DENG2, Hui LI1
Affiliations
  • 1.College of Materials and Science and Engineering, Xi'an University of Architecture and Technology, Xi'an 710055, China
  • 2.Shaanxi Fuping Eco-cement CO., LTD, Weinan 711709, Shaanxi, China

    • SONG Qiang (1980-), male, Ph.D., Lecturer. E-mail:

About Author:

SONG Qiang (1980-), male, Ph.D., Lecturer. E-mail:

Published: 2022-11-20 doi: 10.14062/j.issn.0454-5648.20220124
Outline
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To investigate the occurrence of periclase in clinker aluminate and reveal the hydration mechanism, aluminates were synthesized via MgO doping at various contents. Their structure and hydrates were characterized by scanning electron microscopy, X-ray diffraction and Fourier transform infrared spectroscopy. The results indicate that higher sintering temperature and MgO content improve the formation and stability of C4AF and C12F7. A phase separation occurs in molten aluminum phase. The black phase includes the main minerals like C3A and periclase, while glass and yellow phases both have a low MgO content. The hydration heat of aluminate phase in the first day decreases with the increase of MgO content, indicating that MgO doping decreases the hydration rate of aluminate phase. In addition, the layered double hydroxides with a Mg∶Al ratio of 2 or 3 appear in the hydration products of aluminate incorporated with MgO.

aluminate  /  magnesium oxide doping  /  crystal structure  /  hydration  /  magnesium-aluminium layered double hydroxide
宋强, 聂娇, 陈延信, 胡亚茹, 邓洋, 李辉. 氧化镁掺杂对铝酸盐形成和水化的影响. 硅酸盐学报, 2022 , 50 (11) : 2855 -2867 . DOI: 10.14062/j.issn.0454-5648.20220124
Qiang SONG, Jiao NIE, Yanxin CHEN, Yaru HU, Yang DENG, Hui LI. Effect of Magnesium Oxide Doping on Formation and Hydration of Aluminate[J]. Journal of the Chinese Ceramic Society, 2022 , 50 (11) : 2855 -2867 . DOI: 10.14062/j.issn.0454-5648.20220124
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Year 2022 volume 50 Issue 11
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Article Info
doi: 10.14062/j.issn.0454-5648.20220124
  • Receive Date：2022-02-21
  • Online Date：2026-10-20
  • Published：2022-11-20
Article Data
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History
  • Received：2022-02-21
  • Revised：2022-04-06
Funding
Affiliations
    1.College of Materials and Science and Engineering, Xi'an University of Architecture and Technology, Xi'an 710055, China
    2.Shaanxi Fuping Eco-cement CO., LTD, Weinan 711709, Shaanxi, China

Corresponding:

CHEN Yanxin (1974-), male, Ph.D., Professor. E-mail:
LI Hui (1973-), female, Ph.D., Professor.
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表12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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