The Influence of Particle Size on Sintering and Conductivity of Bi0.85Pr0.105V0.045O1.545 Ceramics
โ Scribed by M. Benkaddour; M.C. Steil; M. Drache; P. Conflant
- Publisher
- Elsevier Science
- Year
- 2000
- Tongue
- English
- Weight
- 272 KB
- Volume
- 155
- Category
- Article
- ISSN
- 0022-4596
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โฆ Synopsis
Physical characteristics of sintered pellets (relative density, microstructure, electrical conductivity level) of the 6uorite-type mixed oxide, Bi 0.85 Pr 0.105 V 0.045 O 1.545 , have been investigated and correlated with the granularity of the powder. Particle size optimization, observed by laser granulometry and SEM of powder prepared by conventional syntheses, has been achieved by attrition treatment, which decreases the particle size and increases the 5nal relative density from 84 to 98% at 9003C. Conductivity increases by a factor of 2 in the temperature range 300+8003C.
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## Abstract A material property that is of crucial importance for many industrial applications is the effective thermal conductivity. This property is a function of the thermal conductivities of components, their geometry, the spatial distribution of the components (including volume fraction and sh