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The influence of the measurement parameters on the crushing strength of reticulated ceramic foams

Published online by Cambridge University Press:  16 May 2013

Claudia Voigt ,
Johannes Storm ,
Martin Abendroth ,
Christos G. Aneziris ,
Meinhard Kuna  and
Jana Hubálková
Claudia Voigt*
Affiliation:
Department of Ceramics, Glass and Construction Materials Technology, Technical University Bergakademie Freiberg, 09599 Freiberg, Germany
Johannes Storm
Affiliation:
Department for Mechanics and Fluid Dynamics, Technical University Bergakademie Freiberg, 09599 Freiberg, Germany
Martin Abendroth
Affiliation:
Department for Mechanics and Fluid Dynamics, Technical University Bergakademie Freiberg, 09599 Freiberg, Germany
Christos G. Aneziris
Affiliation:
Department of Ceramics, Glass and Construction Materials Technology, Technical University Bergakademie Freiberg, 09599 Freiberg, Germany
Meinhard Kuna
Affiliation:
Technical University Bergakademie Freiberg, Institute for Mechanics and Fluid Dynamics, 09599 Freiberg, Germany
Jana Hubálková
Affiliation:
Department of Ceramics, Glass and Construction Materials Technology, Technical University Bergakademie Freiberg, 09599 Freiberg, Germany
*
a)Address all correspondence to this author. e-mail: Claudia.Voigt@ikgb.tu-freiberg.de
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Abstract

The crushing strength or compression strength is a fundamental mechanical property for reticulated ceramic foams. There are essential influencing variables such as the rate of the applied load, the size of the applied load area, the sample size, and the strut homogeneity of the samples. In this work, the impact of the variation of the testing parameters on the crushing strength measurement was evaluated with the help of industrially produced ceramic foams made of Al2O3, ZrO2, SiC, and fused silica. The results indicate that the rate of the applied load has no significant influence on the crushing strength of the ceramic foams. Whereas the size of the applied load area and the sample size have an evident influence. The experimental results were compared with the minimum principal stress distribution calculated with FEM.

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Articles
Information
Journal of Materials Research , Volume 28 , Issue 17: Focus Issue: Advances in the Synthesis, Characterization, and Properties of Bulk Porous Materials , 14 September 2013 , pp. 2288 - 2299
Copyright
Copyright © Materials Research Society 2013 

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