The Influence of Ageing Process on the Barium Aluminate Phase Composition

Abstract

Barium aluminates were formed by the continuous precipitation method at different values of pH. The influence of ageing process and precipitation pH on the phase composition of the precipitate after firing was found. It was showed that there is growth of the 3BaOAl₂O₃ concentration after ageing of precipitate during 7 days. Presumably, this process is associated with a decrease in the number of crystals, increasing their size in the ageing process of precipitate and chemical processes that occur during ageing: hydrolysis, hydration, dehydration.

Original language	English
Article number	01012
Journal	MATEC Web of Conferences
Volume	72
DOIs	https://doi.org/10.1051/matecconf/20167201012
Publication status	Published - 9 Aug 2016

ASJC Scopus subject areas

Chemistry(all)
Engineering(all)
Materials Science(all)

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10.1051/matecconf/20167201012

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Bezmaternykh, A. O., Shvaljov, Y. B., Kudiiarov, V. N., Gubin, V. E., & Babihina, M. N. (2016). The Influence of Ageing Process on the Barium Aluminate Phase Composition. MATEC Web of Conferences, 72, [01012]. https://doi.org/10.1051/matecconf/20167201012

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author = "Bezmaternykh, {A. O.} and Shvaljov, {Y. B.} and Kudiiarov, {V. N.} and Gubin, {V. E.} and Babihina, {M. N.}",

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AU - Babihina, M. N.

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AB - Barium aluminates were formed by the continuous precipitation method at different values of pH. The influence of ageing process and precipitation pH on the phase composition of the precipitate after firing was found. It was showed that there is growth of the 3BaOAl2O3 concentration after ageing of precipitate during 7 days. Presumably, this process is associated with a decrease in the number of crystals, increasing their size in the ageing process of precipitate and chemical processes that occur during ageing: hydrolysis, hydration, dehydration.

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