Effect of bead-milling treatment on the dispersion of tetragonal zirconia nanopowder and improvements of two-step sintering

Gustavo Suárez; Yoshio Sakka; Tohru S. Suzuki; Tetsuo Uchikoshi; Esteban F. Aglietti

doi:10.2109/jcersj2.117.470

Effect of bead-milling treatment on the dispersion of tetragonal zirconia nanopowder and improvements of two-step sintering

Gustavo Suárez, Yoshio Sakka, Tohru S. Suzuki, Tetsuo Uchikoshi, Esteban F. Aglietti

Research output: Contribution to journal › Article

12 Citations (Scopus)

Abstract

The advantages of a good colloidal processing of tetragonal zirconia for achieving a full densification and a small grain size were determined in this study. The optimization of slurry preparation was studied to obtain well-dispersed suspensions. A deagglomeration technique was applied by bead-milling using grinding media of 50 μm diameter and initial particle size and green density were improved. Colloidal processing was considered responsible for the improvements of particle packing that increase the green density. A conventional sintering at low temperatures and two-step sintering were observed to be more effective with the final bead-milling treatment.

Original language	English
Pages (from-to)	470-474
Number of pages	5
Journal	Journal of the Ceramic Society of Japan
Volume	117
Issue number	1364
DOIs	https://doi.org/10.2109/jcersj2.117.470
Publication status	Published - 2009 Apr
Externally published	Yes

Keywords

Colloidal processing
Tetragonal zirconia
Two-step sintering

ASJC Scopus subject areas

Ceramics and Composites
Chemistry(all)
Condensed Matter Physics
Materials Chemistry

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Suárez, G., Sakka, Y., Suzuki, T. S., Uchikoshi, T., & Aglietti, E. F. (2009). Effect of bead-milling treatment on the dispersion of tetragonal zirconia nanopowder and improvements of two-step sintering. Journal of the Ceramic Society of Japan, 117(1364), 470-474. https://doi.org/10.2109/jcersj2.117.470

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