Synthesis and characterization of Sr and Mg doped LaGaO3 tapes
Date
2009
Authors
Majewski, P.
Maldener, T.
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Journal article
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International Journal of Applied Ceramic Technology, 2009; 6(2):249-256
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Abstract
The study focuses the processing of La₁₋ₓSrₓGa₁₋ᵧMgᵧO₃₋𝒹 (LSGM) tapes and the characterization of their microstructure, chemical composition, and sinter behavior during annealing. Dilatometric runs show that sintering of the tapes conclude at about 1500ºC. This finding correlates with the observed sharp increase of the crystallinity of LSGM at higher temperatures. The porosity of the tapes has been found to be minimum at 1525ºC. Increasing sintering temperatures cause a loss of Sr, Mg, and Ga, which is presumably due to evaporation of the elements. The Vickers hardness of the tapes sintered at 1500ºC was measured to be about 900.
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Copyright 2008 The American Ceramic Society