High Temperature Ceramic-Vermiculite Thermal Insulation with Wollastonite Binder

Ceramic-vermiculite thermal insulation with a wollastonite binder was prepared from chalk, diatomite, and expanded vermiculite by means of solid-phase synthesis of the components. The influence of the granulometric composition of expanded vermiculite and the influence of the composition of the batch...

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Bibliographic Details
Published in:Glass and ceramics 2023-11, Vol.80 (7-8), p.283-289
Main Authors: Rodin, A. I., Ermakov, A. A., Kyashkin, V. M., Rodina, N. G., Erofeev, V. T.
Format: Article
Language:English
Subjects:
Biotite
Bulk density
Ceramic materials
Ceramics
Chalk
Characterization and Evaluation of Materials
Chemistry and Materials Science
Composites
Diatomaceous earth
Fire resistance
Furnaces
Glass
High temperature
Materials Science
Natural Materials
Phase composition
Solid phase synthesis
Thermal insulation
Thermal resistance
Thermophysical properties
Vermiculite
Wollastonite
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Summary:Ceramic-vermiculite thermal insulation with a wollastonite binder was prepared from chalk, diatomite, and expanded vermiculite by means of solid-phase synthesis of the components. The influence of the granulometric composition of expanded vermiculite and the influence of the composition of the batch on the phase composition and the physicomechanical and thermophysical properties of ceramic materials were studied. The main crystalline phase of the ceramic samples is biotite and wollastonite. The developed ceramic-vermiculite thermal insulation has an apparent density 310 – 510 kg/m3 and can be operated at temperatures up to 1050°C inclusively. The developed materials can be used as fire-resistant thermal insulation for industrial furnaces, equipment, and so on.
ISSN:0361-7610
1573-8515
DOI:10.1007/s10717-023-00599-1