Heat-Insulating Ceramics which Have a Nanoporous Structure and are Made with the Use of Ash-Bearing Wastes from Power Plants

Abstract

It is determined that the pore-forming effect exhibited by ash and ash microspheres in compositions with clayey rocks is due not only to certain structural features (the presence of spherical hollow particles) and the makeup of the ash components (the presence of residual fuel in the ash) but also to physico-chemical processes (the synthesis of anorthite and mullite) which take place in clay – ash-and-clay – ash- microsphere systems and prevent shrinkage during sintering.

Original language	English
Pages (from-to)	505-510
Number of pages	6
Journal	Refractories and Industrial Ceramics
Volume	55
Issue number	6
DOIs	https://doi.org/10.1007/s11148-015-9754-z
Publication status	Published - 1 Mar 2015

Keywords

ash microspheres
ash-slag wastes
ash-soot
pore distribution
pore formation
strength
structure formation
technogenic wastes

ASJC Scopus subject areas

Ceramics and Composites
Materials Chemistry

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10.1007/s11148-015-9754-z

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Vakalova, T. V., Khabas, T. A., Revva, I. B., & Pavlova, I. A. (2015). Heat-Insulating Ceramics which Have a Nanoporous Structure and are Made with the Use of Ash-Bearing Wastes from Power Plants. Refractories and Industrial Ceramics, 55(6), 505-510. https://doi.org/10.1007/s11148-015-9754-z

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abstract = "It is determined that the pore-forming effect exhibited by ash and ash microspheres in compositions with clayey rocks is due not only to certain structural features (the presence of spherical hollow particles) and the makeup of the ash components (the presence of residual fuel in the ash) but also to physico-chemical processes (the synthesis of anorthite and mullite) which take place in clay – ash-and-clay – ash- microsphere systems and prevent shrinkage during sintering.",

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AU - Vakalova, T. V.

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AU - Revva, I. B.

AU - Pavlova, I. A.

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AB - It is determined that the pore-forming effect exhibited by ash and ash microspheres in compositions with clayey rocks is due not only to certain structural features (the presence of spherical hollow particles) and the makeup of the ash components (the presence of residual fuel in the ash) but also to physico-chemical processes (the synthesis of anorthite and mullite) which take place in clay – ash-and-clay – ash- microsphere systems and prevent shrinkage during sintering.

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KW - ash-soot

KW - pore distribution

KW - pore formation

KW - strength

KW - structure formation

KW - technogenic wastes

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