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Synthesis Mechanism of ZrB2@A12O3-Y2O3 Composite Powders with Core-Shell Microstructure

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Abstract:

ZrB2 has some excellent high-temperature performance. However, due to it is easily oxidized in the high-temperature air to impact high-temperature strength, which restricts its applied range. To decrease the oxidization and sintering temperature, and improve the strength of ZrB2 at high temperature, in this paper, the prepared composite powders is analyzed with XRD, SEM, EDS and TEM, which proves ZrB2@A12O3-Y2O3 core-shell composite powders are successfully synthesized by co-precipitation method, the synthesis mechanism of ZrB2@A12O3-Y2O3 core-shell composite powders is received through the results discussion.

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Periodical:

Key Engineering Materials (Volume 680)

Pages:

133-136

DOI:

https://doi.org/10.4028/www.scientific.net/KEM.680.133

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Online since:

February 2016

Authors:

Jie Guang Song*, Da Ming Du, Fang Wang, Min Han Xu, Shi Bin Li, Gang Chang Ji, Lin Chen

Keywords:

Composite Powders, Core-Shell Microstructure, Synthesis Mechanism, ZrB2

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© 2016 Trans Tech Publications Ltd. All Rights Reserved

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