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

DoITPoMS Micrograph Library Full Record for Micrograph 486

Full Record for Micrograph 486

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Micrograph no
486
Brief description
Cu 80, Sn 20 (wt%) bronze, exhibiting dendritic solidification
Keywords
alloy Link to MATTER Glossary entry for alloy, bronze Link to MATTER Glossary entry for bronze, copper, dendrite Link to MATTER Glossary entry for dendrite, metal, tin
Categories
Metal or alloy
System
Cu-Sn   Link to phase diagram
Composition
Cu 85, Sn 15 (wt%)
Standard codes
Reaction
Processing
Cast
Applications
Sample preparation
Ferric chloride
Technique
Reflected light microscopy
Length bar
100 μm
Further information
An good example of dendritic solidification, which occurs when the solidification front becomes unstable with respect to small perturbations. This results in the growth of the perturbations, producing dendrites (from the Greek for tree) of the primary phase. Subsequently the secondary phase forms between in the enriched melt between the dendrites.
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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