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Thermal Diffusivity Measurement of La Doped SrSn0 3(Sr1_xLaxSn03 ) Ceramics by Photoflash Method


Citation

Liew, Josephine Ying Chyi and Mat Yunus, W. Mahmood and Ahmad Taha, Iftetan and Shaari, Abdul Halim (2005) Thermal Diffusivity Measurement of La Doped SrSn0 3(Sr1_xLaxSn03 ) Ceramics by Photoflash Method. Pertanika Journal of Science & Technology, 13 (2). pp. 163-172. ISSN 0128-7680

Abstract / Synopsis

Thermal diffusivity, a of a medium is the thermophysicaJ property which determines the speed of heat propagation by conduction during changes of temperature with time. The measurement of thermal diffusivity can be carried out at room temperature by photoflash method, which employs a high intensity camera flash as the excitation source. In this paper, Sr1 _ xLaxSn0 3 ceramics doped with different compositions of La (x = 0.1, 0.4, 0.6, 0.8, 1.0) was investigated for their thermal diffusivity. The thermal diffusivity values varied from 0.44 x 10-2 - 1.15 X 10-2 cm2/s corresponding to x = 0.1 to x = 1.0. The morphology and structure of Sr1 _xLaxSn03 ceramics were analysed from SEM and XRD measurements to support the thermal diffusivity behaviour.


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Additional Metadata

Item Type: Article
Divisions: Faculty of Environmental Studies
Publisher: Universiti Putra Malaysia Press
Keywords: Ceramic, doping effect, thermal diffusivity, XRD, SEM
Depositing User: Nur Izyan Mohd Zaki
Date Deposited: 02 Dec 2009 02:30
Last Modified: 27 May 2013 07:11
URI: http://psasir.upm.edu.my/id/eprint/3856
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