Influence of sintering temperature on microstructure of Na0.5Bi0.5TiO3 ceramics

Marija Dunce,Eriks Birks,Maija Antonova,Liga Bikse,Sanija Dutkevica,Otto Freimanis,Maris Livins, Laura Eglite,Krisjanis Smits,Andris Sternberg

Journal of Alloys and Compounds（2021）

引用 16|浏览7

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摘要

•Comprehensive picture of influence of sintering temperature on NBT is obtained.•NaBiTi6O14 inclusions are preserved in NBT ceramics from calcination stage.•At 1130 °C, NaBiTi6O14 decomposes, TiO2 inclusions with NBT islands appear instead.•Non-stoichiometry due to Na/Bi volatilization during sintering is not detected.•More intense volatilization of Na/Bi at sintering leads to formation of large pores.

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关键词

Ceramics,Sintering,Ferroelectric,Microstructure,Stoichiometry

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