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Microstructure Changes of Beta Alumina Sintering at Lower Temperature

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Abstract:

Changes in the microstructure and phase content of beta alumina near the lowest possible β-Al2O3 to β-Al2O3 transform temperature were investigated through varying sintering temperature. Obvious microstructure varieties were observed in stabilized β/β alumina specimens following extended sintering treatments. The results show that there is a slightly lower temperature of 1150°C for nanometer precursor powder particles to transform into grains and for β-Al2O3 to convert into β-Al2O3.

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Research in Mechanical Engineering and Material Science View Preview

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Periodical:

Applied Mechanics and Materials (Volume 456)

Pages:

517-520

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.456.517

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Online since:

October 2013

Authors:

Hua Li, Jia Chun Lu, Guang Yu Cheng, Yang Ni Zhu, Xin Biao Jiang

Keywords:

Beta Alumina, Calcination, Microstructure, Phase Transform

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© 2014 Trans Tech Publications Ltd. All Rights Reserved

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