Journal
JOURNAL OF MATERIALS SCIENCE
Volume 37, Issue 12, Pages 2557-2561Publisher
KLUWER ACADEMIC PUBL
DOI: 10.1023/A:1015460127828
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Open porosity is one of the most important parameters in the characterisation of a porous ceramic. Two methods based on the Archimedes' Principle, ISO 2738 and EN623-2 are currently used as standards for the measurement of open porosity. The method in ISO 2738 was found to underestimate the open-pore content, especially in fine-pored ceramics. In contrast, the EN623-2 method was found to more accurately measure the true open-pore content of the materials. A mathematical model to describe the phenomenon is proposed. (C) 2002 Kluwer Academic Publishers.
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