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A platform for research: civil engineering, architecture and urbanism
In-situ ultrasonic study of high-alumina castables
Young's modulus changes in high-alumina castables were non-destructively measured from room temperature to 1600 deg C using a laboratory-made ultrasonic apparatus. Besides Young's modulus experiments, quantitative X-ray diffraction, dilatometry, surface area, and porosimetry tests were used to investigate hydrate decomposition, phase changes, sintering phenomena, and effect of silica-fume addition. Elastic moduli of calcium aluminates were measured as a function of porosity and extrapolated to zero-porosity. Non-destructive measurement of Young's modulus is a valuable technique for studying the influence of heat treatments and the role of additives on the castable behavior.
In-situ ultrasonic study of high-alumina castables
Young's modulus changes in high-alumina castables were non-destructively measured from room temperature to 1600 deg C using a laboratory-made ultrasonic apparatus. Besides Young's modulus experiments, quantitative X-ray diffraction, dilatometry, surface area, and porosimetry tests were used to investigate hydrate decomposition, phase changes, sintering phenomena, and effect of silica-fume addition. Elastic moduli of calcium aluminates were measured as a function of porosity and extrapolated to zero-porosity. Non-destructive measurement of Young's modulus is a valuable technique for studying the influence of heat treatments and the role of additives on the castable behavior.
In-situ ultrasonic study of high-alumina castables
In situ Ultraschalluntersuchung von hochtonerdehaltigem Feuerbeton
Nonnet, E. (author) / Lequeux, N. (author) / Boch, P. (author)
1999
14 Seiten, 10 Bilder, 3 Tabellen, 9 Quellen
Conference paper
English
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