Detail publikačního výsledku

Hydrothermal ageing of tetragonal zirconia ceramics

ČÁSTKOVÁ, K., HADRABA, H., CIHLÁŘ, J.

Originální název

Hydrothermal ageing of tetragonal zirconia ceramics

Anglický název

Hydrothermal ageing of tetragonal zirconia ceramics

Druh

Článek recenzovaný mimo WoS a Scopus

Originální abstrakt

The effect of hydrothermal treatment on the phase stability, microstructure and mechanical properties of tetragonal zirconia ceramics stabilized with 3 mol% yttria was studied. At temperatures of 140-260C the tetragonal phase transformed into monoclinic zirconia. The degree of transformation increased with increasing temperature and time of ageing. Changes in the microstructure and mechanical properties were observed for the samples used at temperatures of 180C and higher. The thickness of transformed layer increased with increasing temperature and at 260C it reached a thickness of 170 mikrom after 10 hours. The changes in mechanical properties (hardness and fracture toughness) corresponded to the structural changes in the material caused by hydrothermal ageing. Temperatures of 180C and higher were critical for the mechanical and structural properties of the material.

Anglický abstrakt

The effect of hydrothermal treatment on the phase stability, microstructure and mechanical properties of tetragonal zirconia ceramics stabilized with 3 mol% yttria was studied. At temperatures of 140-260C the tetragonal phase transformed into monoclinic zirconia. The degree of transformation increased with increasing temperature and time of ageing. Changes in the microstructure and mechanical properties were observed for the samples used at temperatures of 180C and higher. The thickness of transformed layer increased with increasing temperature and at 260C it reached a thickness of 170 mikrom after 10 hours. The changes in mechanical properties (hardness and fracture toughness) corresponded to the structural changes in the material caused by hydrothermal ageing. Temperatures of 180C and higher were critical for the mechanical and structural properties of the material.

Klíčová slova

Zirconia, Hydrothermal ageing, Phase transformation, Mechanical properties

Klíčová slova v angličtině

Zirconia, Hydrothermal ageing, Phase transformation, Mechanical properties

Autoři

ČÁSTKOVÁ, K., HADRABA, H., CIHLÁŘ, J.

Rok RIV

2011

Vydáno

01.01.2004

ISSN

0862-5468

Periodikum

CERAMICS-SILIKATY

Svazek

48

Číslo

3

Stát

Česká republika

Strany od

85

Strany počet

7

BibTex

@article{BUT42194,
  author="Klára {Částková} and Hynek {Hadraba} and Jaroslav {Cihlář}",
  title="Hydrothermal ageing of tetragonal zirconia ceramics",
  journal="CERAMICS-SILIKATY",
  year="2004",
  volume="48",
  number="3",
  pages="7",
  issn="0862-5468"
}