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Ultrasonic evaluation of gypsum plaster
Ultrasonic velocity, compressive strength and elastic moduli data of four batches of gypsum plaster in the water ratio range 0.3-1 have been generated. The measured velocity values are fitted to an equation VL=V0(1-P)n irrespective of the method of manufacture. Further, analysis of data shows that there is good correlation between compressive strength and normalized ultrasonic velocity (normalized with respect to the velocity value of pore-free gypsum) over a water ratio range 0.3-1 (porosity range 23 %-73 %). Similar relations also exist between elastic moduli and normalized ultrasonic velocity. Predicted values based on these correlations showed good agreement with the measured values of five different batches of plaster, indicating that it can serve as calibration graphs for using ultrasonic velocity to monitor physical properties of plaster.
Ultrasonic evaluation of gypsum plaster
Ultrasonic velocity, compressive strength and elastic moduli data of four batches of gypsum plaster in the water ratio range 0.3-1 have been generated. The measured velocity values are fitted to an equation VL=V0(1-P)n irrespective of the method of manufacture. Further, analysis of data shows that there is good correlation between compressive strength and normalized ultrasonic velocity (normalized with respect to the velocity value of pore-free gypsum) over a water ratio range 0.3-1 (porosity range 23 %-73 %). Similar relations also exist between elastic moduli and normalized ultrasonic velocity. Predicted values based on these correlations showed good agreement with the measured values of five different batches of plaster, indicating that it can serve as calibration graphs for using ultrasonic velocity to monitor physical properties of plaster.
Ultrasonic evaluation of gypsum plaster
Ultraschalluntersuchung von Gips
Dalui, S.K. (author) / Roychowdhury, M. (author) / Phani, K.K. (author)
Journal of Materials Science ; 31 ; 1261-1263
1996
3 Seiten, 5 Bilder, 6 Quellen
Article (Journal)
English
Ultrasonic evaluation of gypsum plaster
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