Phase Composition and Physico-Mechanical Properties at Different Firing Temperatures of Ceramic Earthquake-Resistant Bricks with the Use of Ferro-Dust
Kairakbaev A.K. Abdrakhimov V.Z. Abdrakhimova E.S.
March 2021Springer
Glass and Ceramics (English translation of Steklo i Keramika)
2021#77Issue 11-12478 - 482 pp.
Ceramic bricks based on low-melting clay and ferro-dust from self-disintegrating, low-carbon, ferrochrome slags, graded from M100 to M175, respectively, were obtained in the temperature range 950 – 1100°C. The highest grades are in bricks fired at the temperatures 1050 and 1100°C, respectively, M150 and M175, which can be used as earthquake-resistant. Studies have shown that hematite, wollastonite, diopside and a liquid phase appear at brick firing temperature 950°C. Raising the firing temperature to 1000°C contributes to the appearance of anorthite and cristobalite. Raising the firing temperature to 1050°C does not bring about any special changes, except for an increase in the content of cristobalite and anorthite and a decrease in the content of feldspar. Subsequent raising of the firing temperature to 1100°C results in higher content of anorthite, diopside and cristobalite. The physicomechanical indicators increase due to the formation of anorthite and diopside in the samples.
ferro-dust , firing temperature , low-melting clay , phase composition , physicomechanical metrics
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Zerek Technopark, Baishev Aktobe University, Aktobe, Kazakhstan
Samara State University of Economics, Samara, Russian Federation
S. P. Korolev Samara National Research University, Samara, Russian Federation
Zerek Technopark
Samara State University of Economics
S. P. Korolev Samara National Research University
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