Methods of increasing strength of aluminosilicate ceramics based on semi-flint clay raw materials

Abstract

The paper investigates the peculiarities of the chemical and mineralogical compositions of semi-flint kaolins and their behavior under heating up to 1500 °C. It was found that the sintering process of kaolin clay raw materials depends on the temperature of their preliminary calcining, method of milling after the thermal treatment and application of mineralizing additives. In the case of Borovichy kaolin, preliminary calcining at 850 °C and 980 °C and its subsequent milling increase the material strength after sintering calcining at the temperature of 1400-1450 °C at the expense of uniform sintering and the formation of a homogeneous microstructure of sintered material.

Original language	English
Title of host publication	High Technology
Subtitle of host publication	Research and Applications 2016 - HTRA-2016
Editors	Georgii E. Osokin, Ekaterina A. Kulinich
Publisher	Trans Tech Publications Ltd
Pages	426-430
Number of pages	5
ISBN (Print)	9783035711356
DOIs	https://doi.org/10.4028/www.scientific.net/KEM.743.426
Publication status	Published - 2017
Event	5th International Science and Engineering Conference on High Technology: Research and Applications, HTRA 2016 - Tomsk, Russian Federation Duration: 5 Dec 2016 → 7 Dec 2016

Publication series

Name	Key Engineering Materials
Volume	743 KEM
ISSN (Print)	1013-9826
ISSN (Electronic)	1662-9795

Conference

Conference	5th International Science and Engineering Conference on High Technology: Research and Applications, HTRA 2016
Country	Russian Federation
City	Tomsk
Period	5.12.16 → 7.12.16

Keywords

Kaolin
Mineralizing additives
Mullite synthesis
Semi-flint clays
Sintering

ASJC Scopus subject areas

Materials Science(all)
Mechanics of Materials
Mechanical Engineering

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Cite this

Vakalova, T. V., Devyashina, L. P., & Potapova, A. P. (2017). Methods of increasing strength of aluminosilicate ceramics based on semi-flint clay raw materials. In G. E. Osokin, & E. A. Kulinich (Eds.), High Technology: Research and Applications 2016 - HTRA-2016 (pp. 426-430). (Key Engineering Materials; Vol. 743 KEM). Trans Tech Publications Ltd. https://doi.org/10.4028/www.scientific.net/KEM.743.426

Methods of increasing strength of aluminosilicate ceramics based on semi-flint clay raw materials. / Vakalova, Tatyana V.; Devyashina, Larisa P.; Potapova, Anastasia P.

High Technology: Research and Applications 2016 - HTRA-2016. ed. / Georgii E. Osokin; Ekaterina A. Kulinich. Trans Tech Publications Ltd, 2017. p. 426-430 (Key Engineering Materials; Vol. 743 KEM).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Vakalova, TV, Devyashina, LP & Potapova, AP 2017, Methods of increasing strength of aluminosilicate ceramics based on semi-flint clay raw materials. in GE Osokin & EA Kulinich (eds), High Technology: Research and Applications 2016 - HTRA-2016. Key Engineering Materials, vol. 743 KEM, Trans Tech Publications Ltd, pp. 426-430, 5th International Science and Engineering Conference on High Technology: Research and Applications, HTRA 2016, Tomsk, Russian Federation, 5.12.16. https://doi.org/10.4028/www.scientific.net/KEM.743.426

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abstract = "The paper investigates the peculiarities of the chemical and mineralogical compositions of semi-flint kaolins and their behavior under heating up to 1500 °C. It was found that the sintering process of kaolin clay raw materials depends on the temperature of their preliminary calcining, method of milling after the thermal treatment and application of mineralizing additives. In the case of Borovichy kaolin, preliminary calcining at 850 °C and 980 °C and its subsequent milling increase the material strength after sintering calcining at the temperature of 1400-1450 °C at the expense of uniform sintering and the formation of a homogeneous microstructure of sintered material.",

keywords = "Kaolin, Mineralizing additives, Mullite synthesis, Semi-flint clays, Sintering",

author = "Vakalova, {Tatyana V.} and Devyashina, {Larisa P.} and Potapova, {Anastasia P.}",

note = "Publisher Copyright: {\textcopyright} 2017 Trans Tech Publications, Switzerland. Copyright: Copyright 2020 Elsevier B.V., All rights reserved.; 5th International Science and Engineering Conference on High Technology: Research and Applications, HTRA 2016 ; Conference date: 05-12-2016 Through 07-12-2016",

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