Image icon  Tetragonal Zirconia Polycrystals (TZP)

 
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Description: The comparatively low sintering temperature allows very fine grained (sub-micron), dense and so high strength as well as tough ceramics to be produced. The microstructure shows equiaxed, fine grains with little evidence of weakening grain boundary phases. Such microstructures have some of the highest values of toughness achieved in ceramics.
Keywords: ceramic • engineering ceramic • tough ceramic • toughness • zirconia • displacement • indentation • Plasticine
Categories: Science approaches > Structure, bonding & defects > Grain boundaries
Science approaches > Microstructure
Materials > Ceramics & glasses > Technical ceramics > Zirconia
Processes > Thermal treatments > Sintering
Properties > Mechanical & thermal > Fracture toughness
Testing, analysis & experimentation > Metallography
Scale > Micro
Created by: DoITPoMS, University of Cambridge
Prof W E Lee, Department of Engineering Materials, University of Sheffield
Published by: DoITPoMS, University of Cambridge
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Date created: 02 September 2002
Date added: 21 August 2009
Package: DoITPoMS Micrograph Library
Resource ID: 1234