Image icon  Titanate ceramic for immobilising radioactive waste

 
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Description: An assemblage of 5 mixed oxide phases and at least 2 metals. White phases are metals, either austenites (Fe,Ni,Mo,Ru) or silver. Oxide phases are by contrast: light grey is zirconolite (CaZrTi2O7 with some substituted species); mid grey is hollandite (Ba[Fe,Cr,Ti]8O16) with some Cs on Ba site; dark grey is perovskite loveringite (Ca[Ti,Fe,Cr,Zr]21O38) or spinel ([Fe,Ti,Cr]3O4).
Keywords: ceramic • hollandite • loveringite • spinel • titanate • zirconolite • nuclear materials • displacement • indentation • Plasticine
Categories: Science approaches > Microstructure
Materials > Ceramics & glasses
Applications > Energy > Nuclear energy
Testing, analysis & experimentation > Metallography
Scale > Micro
Created by: Dr E Maddrell, BNFL plc, Sellafield
DoITPoMS, University of Cambridge
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: 1227