Image icon  Partially Stabilised Zirconia (PSZ)

 
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Resource type: Image
Description: The image shows cross sections through the oblate spheroid (like Smarties or M&Ms) tetragonal precipitates in the cubic matrix. On interaction with a propagating crack, these transform to monoclinic symmetry expanding to close the crack so increasing toughness, so-called transformation toughening.
Keywords: ceramic • engineering ceramic • tough ceramic • toughness • zirconia
Categories: Science approaches > Microstructure
Science approaches > Phase transformations
Materials > Ceramics & glasses
Properties > Mechanical & thermal > Fracture toughness
Testing, analysis & experimentation > Metallography
Scale > Micro
Created by: Prof W E Lee, Department of Engineering Materials, University of Sheffield
DoITPoMS, University of Cambridge
Published by: DoITPoMS, University of Cambridge
License: This resource is released under the Creative Commons Attribution Non-Commercial Share Alike license (2.0 UK: England & Wales).
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Date created: 02 September 2002
Date added: 21 August 2009
Package:
Resource ID: 1235