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

DoITPoMS Micrograph Library Full Record for Micrograph 613
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Full Record for Micrograph 613

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Micrograph no
613
Brief description
Facetted aluminium dendrites
Keywords
alloy Link to MATTER Glossary entry for alloy, aluminium Link to MATTER Glossary entry for aluminium, dendrite Link to MATTER Glossary entry for dendrite, eutectic Link to MATTER Glossary entry for eutectic, facet Link to MATTER Glossary entry for facet, facetted dendrite, metal, tin
Categories
Metal or alloy
System
Al-Sn   Link to phase diagram
Composition
Al 15, Sn 85 (wt%)
Standard codes
Reaction
N/A
Processing
Applications
Sample preparation
Technique
Reflected light microscopy
Length bar
80 μm
Further information
In this system, pro-eutectic aluminium dendrites form with facetted morphologies. Such morphologies are uncommon but are a consequence of the diluteness of the aluminium in the melt. The rest of the melt has solidified as a fine Al-Sn eutectic.
Contributor
Prof T W Clyne
Organisation
Department of Materials Science and Metallurgy, University of Cambridge
Date
03/10/02
Licence for re-use
Attribution-NonCommercial-ShareAlike 4.0 International