Ultrasonic Determination of Porosity in Homogeneous Ceramic Samples

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Kohout , T , Karlqvist , R , Lassila , I J , Eskelinen , J J , Hortling , A , Pesonen , L & Haeggström , E 2013 , ' Ultrasonic Determination of Porosity in Homogeneous Ceramic Samples ' , Geophysica , vol. 49 , no. 1-2 , pp. 25-32 . < http://www.geophysica.fi >

Title: Ultrasonic Determination of Porosity in Homogeneous Ceramic Samples
Author: Kohout, Tomas; Karlqvist, Ronnie; Lassila, Ilkka Johannes; Eskelinen, Joona Juhani; Hortling, Airi; Pesonen, Lauri; Haeggström, Edward
Contributor: University of Helsinki, Department of Physics
University of Helsinki, Department of Physics
University of Helsinki, Department of Physics
University of Helsinki, Department of Physics
University of Helsinki, Department of Physics
University of Helsinki, Department of Physics
Date: 2013
Language: eng
Number of pages: 8
Belongs to series: Geophysica
ISSN: 0367-4231
URI: http://hdl.handle.net/10138/41882
Abstract: An ultrasonic method was tested to rapidly determine the porosity in custom made ceramic samples. The samples with porosities between 4 and 33% were of identical composition. The porosity estimates by ultrasonic method were validated against those obtained by helium and air pycnometry as well as with Archimedean method. The ultrasonic measurements can be performed rapidly (less than a minute) but they require a well prepared sample.
Subject: 114 Physical sciences
POROSITY
ULTRASOUND
shear wave
longitudinal wave
pycnometry
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