Ultrasonic Determination of Porosity in Homogeneous Ceramic Samples

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http://hdl.handle.net/10138/41882

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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 >

Titel: Ultrasonic Determination of Porosity in Homogeneous Ceramic Samples
Författare: Kohout, Tomas; Karlqvist, Ronnie; Lassila, Ilkka Johannes; Eskelinen, Joona Juhani; Hortling, Airi; Pesonen, Lauri; Haeggström, Edward
Medarbetare: 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
Datum: 2013
Språk: eng
Sidantal: 8
Tillhör serie: Geophysica
ISSN: 0367-4231
Permanenta länken (URI): http://hdl.handle.net/10138/41882
Abstrakt: 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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