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Mechanical Property and Microstructure of TZP and TZP/Al2O3 Composites

Published online by Cambridge University Press:  25 February 2011

Koji Tsukuma  and
Tsutomu Takahata
Koji Tsukuma
Affiliation:
Tokyo Research Center, Toyo Soda Manufacturing, Company, Hayakawa, Ayase-shi, Kanagawa 252, Japan
Tsutomu Takahata
Affiliation:
Tokyo Research Center, Toyo Soda Manufacturing, Company, Hayakawa, Ayase-shi, Kanagawa 252, Japan
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Abstract

There are various types of microstructure in the TZP materials and their composite materials. The fine-grained microstructure is well-known as the basic microstructural type of TZP materials. Y-TZP and Ce-TZP belong to this group. The large-grained microstructure can exist in the TZP consisting of the tetragonal phase with low metastability, that is, Y-TZP doped with TiO2 and Ce-TZP containing a high CeO2 content. The composite material between Y-TZP and β-lanthanum alumina possessed a unique microstructure including elongated grains of β-Al2O3 type structure. This study provides a summary of the mechanical properties of these TZP and β-Al2O3 type structure composite materials, and points out how the mechanical behavior depends on the microstructural features.

Type
Articles
Information
MRS Online Proceedings Library (OPL) , Volume 78: Symposium E – Advances in Structural Ceramics , 1986 , 123
Copyright
Copyright © Materials Research Society 1987

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References

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