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In-situ Study on Micro-Nano Structure of Portland Cement Hydration Products
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Zheyu ZHU, Zhongping WANG, Yue ZHOU, Yuting CHEN, Kai WU
Journal of the Chinese Ceramic Society | 2021, 49(8) : 1699 - 1705
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Journal of the Chinese Ceramic Society | 2021, 49(8): 1699-1705
• Research Article •
In-situ Study on Micro-Nano Structure of Portland Cement Hydration Products
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Zheyu ZHU, Zhongping WANG, Yue ZHOU, Yuting CHEN, Kai WU
Affiliations
  • School of Materials Science and Engineering, Tongji University, Shanghai 201804, China

    • ZHU Zheyu (1991-), male, Doctor candidate. E-mail:

About Author:

ZHU Zheyu (1991-), male, Doctor candidate. E-mail:

Published: 2021-08-20 doi: 10.14062/j.issn.0454-5648.20200825
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BSE-Raman was used to investigate in-situ Raman spectra of hydration products and their spatial distribution profiles. It was found that the in-situ structural information of the silicon-oxygen tetrahedral Q1, Q2 and Q3 chains of C-S-H could be readily obtained, while the hydration products could be accurately identified. All the hydration products with different morphologies exhibited multiple characteristic peaks of chemical bonds of the hydration products. Therefore, it was concluded that the cement hydration products were mixed at nanometer scale. The pom-shaped hydration product had a skeleton consisting of C-S-H and ettringite. Due to its ability of quick and accurate in-situ identification of different phases, BSE-Raman has broad prospects in the microstructural characterization of cement-based materials.

Portland cement  /  Raman spectra  /  in-situ  /  calcium silicate hydrates  /  ettringite
朱哲誉, 王中平, 周玥, 陈钰婷, 吴凯. 硅酸盐水泥水化产物微纳结构的原位研究. 硅酸盐学报, 2021 , 49 (8) : 1699 -1705 . DOI: 10.14062/j.issn.0454-5648.20200825
Zheyu ZHU, Zhongping WANG, Yue ZHOU, Yuting CHEN, Kai WU. In-situ Study on Micro-Nano Structure of Portland Cement Hydration Products[J]. Journal of the Chinese Ceramic Society, 2021 , 49 (8) : 1699 -1705 . DOI: 10.14062/j.issn.0454-5648.20200825
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Year 2021 volume 49 Issue 8
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Article Info
doi: 10.14062/j.issn.0454-5648.20200825
  • Receive Date：2020-11-02
  • Online Date：2026-10-30
  • Published：2021-08-20
Article Data
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History
  • Received：2020-11-02
  • Revised：2020-11-24
Funding
Affiliations
    School of Materials Science and Engineering, Tongji University, Shanghai 201804, China

Corresponding:

WU Kai (1987-), male, Ph. D., Associate Professor. E-mail:
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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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