The Influence of Boron Doping on the Structures and Composition of Dicalcium Silicate: A Research Study

This paper investigates the structural transformation of dicalcium silicate (C2S) crystals brought about through boron doping. Both qualitative and quantitative analyses were conducted to explore the correspondence between boron content and the structure of dicalcium silicate. The results show that...

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Bibliographic Details
Published inBuildings (Basel) Vol. 14; no. 3; p. 600
Main Authors Zhang, Da’an, Zhou, Hao, Kang, Guodong, Zhang, Shenghu, Zhang, Cheng, Yan, Xiaofei, Ma, Bing, Zhang, Houhu
Format Journal Article
LanguageEnglish
Published Basel MDPI AG 01.03.2024
Subjects
Boron
Carbon
Cement
Crystal structure
Crystals
Dicalcium silicate
Doping
Emissions (Pollution)
High temperature
Hydration
Phase transitions
Qualitative analysis
quantitative analysis
Raw materials
Regression analysis
Silicates
Solid solutions
structure modulation
United States > US
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Summary:This paper investigates the structural transformation of dicalcium silicate (C2S) crystals brought about through boron doping. Both qualitative and quantitative analyses were conducted to explore the correspondence between boron content and the structure of dicalcium silicate. The results show that boron doping can stabilize β-C2S and the high-temperature phase α′H-C2S, and the structural transformation does not involve the modulation of α′L-C2S. There is a corresponding relationship between the unit cells of β-C2S and α′H-C2S, which can be transformed using a transformation matrix. The relationship between boron content and the content of different C2S structures, as well as the structural expressions for β-C2S and α′H-C2S, is determined using linear fitting and multivariable linear regression analysis.
ISSN:2075-5309
2075-5309
DOI:10.3390/buildings14030600