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Preparation of ZrO_2 Spherical Nanometer Powders Via Emulsion Processing Route

Xi Li

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Abstract

ZrO2 precursor powders containing 3% Y2O3 have been prepared via a single- emulsion processing route and a double- emulsion processing route, The calcination of the precursor powders at 600℃ for 2 hours led to tetragonal phase ZrO2 nanometer powders, the ZrO2 powders and the precursor powders were analyzed and characterized by TG- DTA, XRD, TEM, BET and laser particle size analyser. Experimental results indicated that xylol/span- 80/water phase system can contain more water phase, which to a certain extent correct the defect of low output by emulsion route in preparing powders.

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What this paper is about

ZrO2 precursor powders containing 3% Y2O3 have been prepared via a single- emulsion processing route and a double- emulsion processing route, The calcination of the precursor powders at 600℃ for 2 hours led to tetragonal phase ZrO2 nanometer powders, the ZrO2 powders and the precursor powders were analyzed and characterized by TG- DTA, XRD, TEM, BET and laser particle size analyser. Experimental results indicated that xylol/span- 80/water phase system can contain more water phase, which to a certain extent correct the defect of low output by emulsion route in preparing powders.

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Available abstract

ZrO2 precursor powders containing 3% Y2O3 have been prepared via a single- emulsion processing route and a double- emulsion processing route, The calcination of the precursor powders at 600℃ for 2 hours led to tetragonal phase ZrO2 nanometer powders, the ZrO2 powders and the precursor powders were analyzed and characterized by TG- DTA, XRD, TEM, BET and laser particle size analyser. Experimental results indicated that xylol/span- 80/water phase system can contain more water phase, which to a certain extent correct the defect of low output by emulsion route in preparing powders.

Key concepts: Emulsion, Materials science, Calcination, Nanometre, Tetragonal crystal system, Phase (matter), Chemical engineering, Particle size

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