Preparation of Nano-Sized ZrO2 Powders by Polyvinyl Alcohol-Gel Method

Xiao Li Ji; Guo Min Li; Hao Wang; Wei Wei Wan

doi:10.4028/www.scientific.net/KEM.508.27

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HomeKey Engineering MaterialsKey Engineering Materials Vol. 508Preparation of Nano-Sized ZrO2 Powders by...

Preparation of Nano-Sized ZrO₂ Powders by Polyvinyl Alcohol-Gel Method

Abstract:

Nano-Sized ZrO₂ Powders Were Synthesized from ZrOCl₂•8H₂O by Polyvinyl Alcohol-Gel Technology, Using Polyvinyl Alcohol (PVA) as a Monomer and Glutaraldehyde (GA) as a Cross-Linking Reagent. The Stability of the Gel Was Affected by Concentration of PVA and GA, Volume of ZrOCl₂•8H₂O. Moderate Strength of Gel Was Synthesized by Raw Materials of PVA (2%), ZrOCl₂•8H₂O (30~40 g) and GA (10ml). Nano-Sized ZrO₂ Was Obtained Finally, with Uniform Particle Size and Good Dispersibility, and Size Was about 20 nm. Doped ZrO₂ with Stabilized Tetragonal Crystal Was Obtained at Room Temperature. The Effect of Calcine Temperature on Phase Structure of ZrO₂ Powders Has Been Investigated.

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Periodical:

Key Engineering Materials (Volume 508)

Pages:

27-31

DOI:

https://doi.org/10.4028/www.scientific.net/KEM.508.27

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Online since:

March 2012

Authors:

Xiao Li Ji, Guo Min Li, Hao Wang, Wei Wei Wan

Keywords:

Doping, Nano-Size ZrO₂ Powder, Polyvinyl Alcohol-Gel Method

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