Effect of the pressure of cold isostatic pressing and the sintering temperature on the properties of ceramics made of partially stabilized ZrO2

Effect of the pressure of cold isostatic pressing and the sintering temperature on the properties... The physicomechanical properties of a ceramics composed of ZrO2+3 mol.% Y2O3 and fabricated by cold isostatic pressing (CIP) at up to 0.8 GPa with sintering at 1440–1620°C are described. It is shown that the material with a low content of admixtures sinters only at 1620°C at a pressure of 0.6–0.8 GPa and possesses a density of 6.0 g/cm3, an ultimate bending strength of 900 MPa, and a fracture toughness of 8 MPa·m1/2. For the material with a high content of admixtures sintered at 1550°C and pressed at a pressure of 0.6 GPa the same parameters are 5.95 g/cm3, 700 MPa, and 12 MPa·m1/2. It is established that CIP promotes sintering of Y-PSZ ceramics. CIP has the best effect on the mechanical properties of high-purity materials. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Refractories and Industrial Ceramics Springer Journals

Effect of the pressure of cold isostatic pressing and the sintering temperature on the properties of ceramics made of partially stabilized ZrO2

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Publisher
Springer US
Copyright
Copyright © 1998 by Plenum Publishing Corporation
Subject
Chemistry; Characterization and Evaluation of Materials; Materials Science; Ceramics, Glass, Composites, Natural Methods
ISSN
1083-4877
eISSN
1573-9139
D.O.I.
10.1007/BF02768046
Publisher site
See Article on Publisher Site

Abstract

The physicomechanical properties of a ceramics composed of ZrO2+3 mol.% Y2O3 and fabricated by cold isostatic pressing (CIP) at up to 0.8 GPa with sintering at 1440–1620°C are described. It is shown that the material with a low content of admixtures sinters only at 1620°C at a pressure of 0.6–0.8 GPa and possesses a density of 6.0 g/cm3, an ultimate bending strength of 900 MPa, and a fracture toughness of 8 MPa·m1/2. For the material with a high content of admixtures sintered at 1550°C and pressed at a pressure of 0.6 GPa the same parameters are 5.95 g/cm3, 700 MPa, and 12 MPa·m1/2. It is established that CIP promotes sintering of Y-PSZ ceramics. CIP has the best effect on the mechanical properties of high-purity materials.

Journal

Refractories and Industrial CeramicsSpringer Journals

Published: Nov 27, 2007

References

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