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Conductivity properties of beta-SiAlON ceramics
KTH, School of Industrial Engineering and Management (ITM), Materials Science and Engineering.
2012 (English)In: Science China Technological Sciences, ISSN 1674-7321, Vol. 55, no 9, 2409-2415 p.Article in journal (Refereed) Published
Abstract [en]

The thermal diffusivity and heat capacity of beta-SiAlON ceramics with different Z values (0.6, 1.5, 3.0) were measured by laser flash technique and differential scanning calorimetry (DSC), respectively. The thermal conductivity of beta-SiAlON was calculated from thermal diffusivity, heat capacity and density and it decreased and then kept almost constant with increasing of temperature. Two different models representing effective thermal conductivity were established and the various parameters of these models were simulated based on the results from the present work. The fitted regression lines were in good agreement with the experimental values.

Place, publisher, year, edition, pages
2012. Vol. 55, no 9, 2409-2415 p.
Keyword [en]
beta-SiAlON, thermal diffusivity, heat capacity, effective thermal conductivity
National Category
Metallurgy and Metallic Materials
URN: urn:nbn:se:kth:diva-102621DOI: 10.1007/s11431-012-4966-7ISI: 000307623500004ScopusID: 2-s2.0-84866140517OAI: diva2:555809

QC 20120921

Available from: 2012-09-21 Created: 2012-09-21 Last updated: 2012-09-21Bibliographically approved

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Seshadri, Seetharaman
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