Dissemination of IT for the Promotion of Materials Science (DoITPoMS)

DoITPoMS Micrograph Library Full Record for Micrograph 211

Full Record for Micrograph 211

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Micrograph no
211
Brief description
Normalised carbon steel
Keywords
alloy Link to MATTER Glossary entry for alloy, carbon, eutectoid reaction Link to MATTER Glossary entry for eutectoid reaction, iron, metal, normalising Link to MATTER Glossary entry for normalising, pearlite Link to MATTER Glossary entry for pearlite, recrystallisation Link to MATTER Glossary entry for recrystallisation, steel Link to MATTER Glossary entry for steel
Categories
Metal or alloy
System
Fe-C-X   Link to phase diagram
Composition
Fe, C 0.2 (wt%)
Standard codes
Reaction
Processing
Normalised 1000 ºC
Applications
Sample preparation
Nital
Technique
Reflected light microscopy
Length bar
400 μm
Further information
Low carbon steel with a microstructure consisting mostly of ferrite with the darker pearlite regions around the ferrite grains. Upon cooling the steel the ferrite forms initially, either on austenite grain boundaries or inclusions. This causes carbon to be partitioned into the austenite. Eventually the remaining austenite will be at the eutectoid condition and the transformation to pearlite will then take place. This sample has been normalised, removing the directionality caused by casting
Contributor
Dr R F Cochrane
Organisation
Department of Materials, University of Leeds
Date
04/09/02
Licence for re-use
Attribution-Non-Commercial-Share Alike 2.0 UK: England & Wales
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