Image icon  Alumina-graphite brick

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Description: The fused alumina ceramic grain and natural graphite flakes (seen edge on in the micrograph) are held together by a polymer-derived carbon bond and protected from oxidation by a metal (bright Si) which betters oxygen in use to form e.g. SiO2. A true composite material.
Keywords: alumina • aluminium • antioxidant • brick • carbon • ceramic • composite material • graphite • oxygen • silicon
Categories: Science approaches > Microstructure
Materials > Ceramics & glasses
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
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Date created: 10 May 2002
Date added: 21 August 2009
Resource ID: 1189