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Alkali Metal Doping Influence on Hydration Properties of Ternesite
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Wensheng ZHANG1, Lei LIU1, Xuehong REN1, Hongtao ZHANG1, Jiayuan YE1, Jiangtao ZHANG1, Lixue CAO1, Nan AN1, Jueshi QIAN2
Journal of the Chinese Ceramic Society | 2023, 51(2) : 290 - 302
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Journal of the Chinese Ceramic Society | 2023, 51(2): 290-302
• Research Articles •
Alkali Metal Doping Influence on Hydration Properties of Ternesite
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Wensheng ZHANG1, Lei LIU1, Xuehong REN1, Hongtao ZHANG1, Jiayuan YE1, Jiangtao ZHANG1, Lixue CAO1, Nan AN1, Jueshi QIAN2
Affiliations
  • 1.State Key Laboratory of Green Building Materials, China Building Materials Academy, Beijing 100024, China
  • 2.College of Materials Science and Engineering, Chongqing University, Chongqing 400045, China

    • ZHANG Wensheng (1969-), male, Ph.D., Professor. E-mail:

About Author:

ZHANG Wensheng (1969-), male, Ph.D., Professor. E-mail:

Published: 2023-02-20 doi: 10.14062/j.issn.0454-5648.20220526
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Alkali metal ions as some impurity ions in cement raw materials can affect the structure and properties of clinker minerals. The effect of alkali metal ions on the hydration activity and mechanical properties of ternesite was investigated with alkali-doped ternesite synthesized as analytical reagents by isothermal calorimetry, comprehensive thermal analysis, scanning electron microscopy and 29Si solid state nuclear magnetic resonance. The results show that the solid solution of alkali metal ions in the crystal structure of ternesite reduces the crystallinity of formed crystals, forms the crystal defects, effectively improves the early hydration activity of ternesite, and promotes the rapid development of its early mechanical properties. Meanwhile, the addition of alkali metal can change the microstructure and structure of calcium silicate hydrates (C-S-H). Among them, Li2O addition stabilizes the flocculent C-S-H, while Na2O and K2O addition can induce the fibrous growth of C-S-H. The degree of polymerization and mean silicon chain length of C-S-H increase due to the addition of alkali metal.

ternesite  /  alkali metal  /  hydration activity  /  mechanical properties  /  calcium silicate hydrates  /  microstructure
张文生, 刘垒, 任雪红, 张洪滔, 叶家元, 张江涛, 曹立学, 安楠, 钱觉时. 碱金属掺杂对硫硅酸钙水化性能的影响机理. 硅酸盐学报, 2023 , 51 (2) : 290 -302 . DOI: 10.14062/j.issn.0454-5648.20220526
Wensheng ZHANG, Lei LIU, Xuehong REN, Hongtao ZHANG, Jiayuan YE, Jiangtao ZHANG, Lixue CAO, Nan AN, Jueshi QIAN. Alkali Metal Doping Influence on Hydration Properties of Ternesite[J]. Journal of the Chinese Ceramic Society, 2023 , 51 (2) : 290 -302 . DOI: 10.14062/j.issn.0454-5648.20220526
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Year 2023 volume 51 Issue 2
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Article Info
doi: 10.14062/j.issn.0454-5648.20220526
  • Receive Date：2022-06-29
  • Online Date：2026-10-20
  • Published：2023-02-20
Article Data
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History
  • Received：2022-06-29
  • Revised：2022-07-25
Funding
Affiliations
    1.State Key Laboratory of Green Building Materials, China Building Materials Academy, Beijing 100024, China
    2.College of Materials Science and Engineering, Chongqing University, Chongqing 400045, China
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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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