Image icon  Zirconia Toughened Alumina (ZTA)

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Description: The ZrO2 addition to Al2O3 increases its toughness via the tetragonal to monoclinic ZrO2 transformation, so called transformation toughening and microcracking. The bright zirconia can be inter- or intra-granular.
Keywords: alumina • ceramic • composite material • toughness • zirconia
Categories: Science approaches > Microstructure
Science approaches > Phase transformations
Materials > Ceramics & glasses > Technical ceramics > Zirconia
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
Resource ID: 1233