Publication detail

Transparent Tetragonal Zirconia Ceramics by Colloidal Processing of Nanoparticle Suspension

TRUNEC, M. BERA, O.

Original Title

Transparent Tetragonal Zirconia Ceramics by Colloidal Processing of Nanoparticle Suspension

Type

conference paper

Language

English

Original Abstract

Colloidal processing was applied to a commercial 5 vol% 3Y-ZrO2 nanosuspension with a particle size of 10-15 nm. The nanosuspension was concentrated by evaporation or by the newly developed method of osmotic dehydration. The viscosity and stability of concentrated suspensions were investigated. The concentrated nanosuspension prepared by osmotic dehydration was consolidated by centrifugation in non-porous moulds. The dried deposit had a relative density of 46% and pores ranged from 4 to 8 nm. This deposit was densified by pressureless presintering to closed porosity, followed by hot isostatic pressing in order to obtain transparent ceramics. After sintering, the tetragonal zirconia retained the nanocrystalline structure with an average grain size of 65 nm and an in-line transmission of 25 % (at 633 nm wavelength and 0.5 mm plate thickness).

Keywords

colloidal processing; nanosuspension; tetragonal zirconia; centrifugation; transparent ceramics

Authors

TRUNEC, M.; BERA, O.

RIV year

2014

Released

1. 11. 2014

Publisher

Trans Tech Publication

Location

Zurich, Switzerland

ISBN

978-3-03835-299-0

Book

13th International Ceramics Congress - Part A

Edition

Advances in Science and Technology

Edition number

87

ISBN

1662-0356

Periodical

Advances in Science and Technology

Year of study

87

State

Swiss Confederation

Pages from

85

Pages to

90

Pages count

6

URL

http://www.scientific.net

BibTex

@inproceedings{BUT112175,
  author="Martin {Trunec} and Oskar {Bera}",
  title="Transparent Tetragonal Zirconia Ceramics by Colloidal Processing of Nanoparticle Suspension",
  booktitle="13th International Ceramics Congress - Part A",
  year="2014",
  series="Advances in Science and Technology",
  journal="Advances in Science and Technology",
  volume="87",
  number="87",
  pages="85--90",
  publisher="Trans Tech Publication",
  address="Zurich, Switzerland",
  doi="10.4028/www.scientific.net/AST.87.85",
  isbn="978-3-03835-299-0",
  issn="1662-0356",
  url="http://www.scientific.net"
}