Mapping the texture of electroporcelain blank by radiointroscopy


ISSN 1121-7588
I. Stubna1, M. Kaluzna2, V. Trnovcova3
1Department of Physics, Constantine the Philosopher University, Nitra, Slovakia, istubna@ukf.sk
2Department of Physics, Faculty of Machinery Engineering, Slovak University of Technology, Bratislava, Slovakia
3Institute of Materials, Faculty of Materials Science and Technology, Slovak University of Technology, Trnava, Slovakia

Abstract

Textured samples cut from a vacuum extruded blank (50 wt.% kaolin, 25 wt.% feldspar and 25 wt.% quartz) were studied by a radiointroscopic method based on propagation of plane-polarized electromagnetic wave through a dry green sample as well as through the fired sample. The method is suitable for mapping the texture of large extruded ceramic blanks. A spiral character of the texture in the green hollow blank was revealed which has been found preserved even after high temperature firing.
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