Quantitative phase analysis and microstructural characterization of Portland cement blends with diatomite waste using the Rietveld method

This paper aims at giving new insights into the impacts of the particle sizes of diatomite waste on the hydration properties of Portland cement from the perspective of quantitative analysis using Rietveld refinements method. XRD identification coupled with Rietveld quantitative phase analysis, as we...

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Bibliographic Details
Published in:Journal of materials science 2021, Vol.56 (2), p.1242-1254
Main Authors: Liu, Runqing, Yang, Yuanquan, Zhao, Xingke, Pang, Bo
Format: Article
Language:English
Subjects:
Analysis
Calorimetry
Cement
Cement hydration
Ceramics
Characterization and Evaluation of Materials
Chemistry and Materials Science
Classical Mechanics
Crystallography and Scattering Methods
Diatomaceous earth
Ettringite
Hydration
Materials Science
Methods
Polymer Sciences
Portland cements
Quantitative analysis
Rietveld method
Slaked lime
Solid Mechanics
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Summary:This paper aims at giving new insights into the impacts of the particle sizes of diatomite waste on the hydration properties of Portland cement from the perspective of quantitative analysis using Rietveld refinements method. XRD identification coupled with Rietveld quantitative phase analysis, as well as isothermal calorimetry and SEM observation, was performed. The results show that the cement hydration during the induction period does not show any significant differences with the decrease in the sizes of the diatomite waste particles; however, hydration during the acceleration period was significantly enhanced. Finer diatomite waste particles (d50 
ISSN:0022-2461
1573-4803
DOI:10.1007/s10853-020-05429-1