Refined Express Method for Evaluating the Porous Structure of Ceramic Materials

The express method for evaluating the porous structure of ceramic materials was refined by replacing a smooth change in gas pressure with a stepwise change. After determining the average radius, the maximum radius was determined using the pressure drop until only one chain of gas bubbles remained. T...

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Bibliographic Details
Published in:Refractories and industrial ceramics 2024, Vol.64 (5), p.480-483
Main Author: Kryuchkov, Yu.N.
Format: Article
Language:English
Subjects:
Capillary pressure
Ceramic materials
Ceramics
Characterization and Evaluation of Materials
Chemistry and Materials Science
Composites
Coordination numbers
Gas pressure
Glass
Materials Science
Natural Materials
Porous materials
Powders
Pressure drop
Scientific Research and Development
Solid phases
Tortuosity
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Summary:The express method for evaluating the porous structure of ceramic materials was refined by replacing a smooth change in gas pressure with a stepwise change. After determining the average radius, the maximum radius was determined using the pressure drop until only one chain of gas bubbles remained. The average coordination number for the solid phase and the coefficient of capillary tortuosity were calculated. The experimental and calculated mean radii are in good agreement, whereas the tortuosity coefficients differ.
ISSN:1083-4877
1573-9139
DOI:10.1007/s11148-024-00874-w