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Behavior of ultra fine silver-BaTiO3 composite powders at sintering

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Abstract

In this paper, the metal–ceramic composite material, i.e., silver–BaTiO3 composite powder, was prepared with chemical deposition method. Composition, dispersibility and shape of powder particles were investigated by XRD, SEM and size distribution analyzer. Coalescence of particles occurs during low sintering process, and sintering temperature has a great effect on composition and shape of single powder particles. The sintering of silver on the surface of particles increases with an increasing temperature by SEM and EDX observation. The shrinkage and softening temperature of composite powders increase and decrease as an increasing silver content, respectively, by TMA analysis. Sheet resistance 52 mΩ/□ was observed from the film corresponding to 80 wt.% silver content which was sintered at 300 °C.

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  1. College of Chemistry, South China University of Technology, Guangzhou, 510641, China

    Wu Songping

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  1. Wu Songping
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Correspondence to Wu Songping.

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Songping, W. Behavior of ultra fine silver-BaTiO3 composite powders at sintering. J Mater Sci: Mater Electron 18, 1031–1035 (2007). https://doi.org/10.1007/s10854-007-9133-8

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  • DOI: https://doi.org/10.1007/s10854-007-9133-8

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