Effect of LiYO2 on the synthesis and pressureless sintering of Y2SiO5

Sun, Ziqi, Zhou, Yanchun, & Li, Meishuan (2008) Effect of LiYO2 on the synthesis and pressureless sintering of Y2SiO5. Journal of Materials Research, 23(3), pp. 732-736.

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Y2SiO5 has potential applications as a high-temperature structural ceramic and environmental/thermal barrier coating. In this work, we synthesized single-phase Y2SiO5 powders utilizing a solid-liquid reaction method with LiYO2 as an additive. The reaction path of the Y2O3/SiO2/LiYO2 mixture with variation in temperatures and the role of the LiYO2 additive on preparation process were investigated in detail. The powders obtained by this method have good sinterability. Through a pressureless sintering process, almost fully dense Y2SiO5 bulk material was achieved with a very high density of 99.7% theoretical.

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ID Code: 94642
Item Type: Journal Article
Refereed: Yes
Keywords: Ceramic; Sintering; Reactivity
DOI: 10.1557/jmr.2008.0085
ISSN: 2044-5326
Divisions: Current > Schools > School of Chemistry, Physics & Mechanical Engineering
Current > QUT Faculties and Divisions > Science & Engineering Faculty
Deposited On: 10 Apr 2016 23:56
Last Modified: 19 Apr 2016 05:32

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