Investigation of the Change in the Phase Composition, Properties, and Hydraulic Activity During the Thermal Treatment of Magnesian Materials

Abstract

The effect of the heat treatment regime on the hydraulic activity of magnesian materials was determined from the heat release during interaction with water. Hydration processes proceed efficiently, hardening structures are formed after calcination of the initial magnesian materials in the range of 500 – 800°C. Therefore, in the production of hydraulically active magnesium oxide used to make the magnesian binder, it is necessary to bake magnesian materials regardless of their nature at low or moderate temperatures in the range of 500 – 800°C. The change in the structure and properties of magnesian materials during heat treatment has a great influence on the processes of sintering refractory materials.

Original language	English
Pages (from-to)	1-7
Number of pages	7
Journal	Refractories and Industrial Ceramics
DOIs	https://doi.org/10.1007/s11148-017-0105-0
Publication status	Accepted/In press - 24 Oct 2017

Keywords

heat treatment
hydraulic activity
magnesian materials
magnesium oxide
phase composition
specific surface area

ASJC Scopus subject areas

Ceramics and Composites
Materials Chemistry

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10.1007/s11148-017-0105-0

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title = "Investigation of the Change in the Phase Composition, Properties, and Hydraulic Activity During the Thermal Treatment of Magnesian Materials",

abstract = "The effect of the heat treatment regime on the hydraulic activity of magnesian materials was determined from the heat release during interaction with water. Hydration processes proceed efficiently, hardening structures are formed after calcination of the initial magnesian materials in the range of 500 – 800°C. Therefore, in the production of hydraulically active magnesium oxide used to make the magnesian binder, it is necessary to bake magnesian materials regardless of their nature at low or moderate temperatures in the range of 500 – 800°C. The change in the structure and properties of magnesian materials during heat treatment has a great influence on the processes of sintering refractory materials.",

keywords = "heat treatment, hydraulic activity, magnesian materials, magnesium oxide, phase composition, specific surface area",

author = "Mitina, {N. A.} and Lotov, {V. A.}",

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N2 - The effect of the heat treatment regime on the hydraulic activity of magnesian materials was determined from the heat release during interaction with water. Hydration processes proceed efficiently, hardening structures are formed after calcination of the initial magnesian materials in the range of 500 – 800°C. Therefore, in the production of hydraulically active magnesium oxide used to make the magnesian binder, it is necessary to bake magnesian materials regardless of their nature at low or moderate temperatures in the range of 500 – 800°C. The change in the structure and properties of magnesian materials during heat treatment has a great influence on the processes of sintering refractory materials.

AB - The effect of the heat treatment regime on the hydraulic activity of magnesian materials was determined from the heat release during interaction with water. Hydration processes proceed efficiently, hardening structures are formed after calcination of the initial magnesian materials in the range of 500 – 800°C. Therefore, in the production of hydraulically active magnesium oxide used to make the magnesian binder, it is necessary to bake magnesian materials regardless of their nature at low or moderate temperatures in the range of 500 – 800°C. The change in the structure and properties of magnesian materials during heat treatment has a great influence on the processes of sintering refractory materials.

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KW - hydraulic activity

KW - magnesian materials

KW - magnesium oxide

KW - phase composition

KW - specific surface area

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