DoITPoMS

Full Record for Micrograph 9

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Micrograph no
9
Brief description
Bi 80, Cd 20 (wt%), hypereutectic alloy
Keywords
alloy Link to MATTER Glossary entry for alloy, bismuth, cadmium, dendrite Link to MATTER Glossary entry for dendrite, facet Link to MATTER Glossary entry for facet, hypereutectic Link to MATTER Glossary entry for hypereutectic, metal
Categories
Metal or alloy
System
Bi-Cd   Link to phase diagram
Composition
Bi 80, Cd 20 (wt%)
Standard codes
Reaction
Processing
Slowly cooled from liquid
Applications
Sample preparation
Etched in alcoholic FeCl3
Technique
Reflected light microscopy
Length bar
80 μm
Further information
The high proportion of Bi in this sample results in predominantly Bi dendrites with some interdendritic eutectic. The primary Bi dendrites are strongly facetted (white blocks) indicating the importance of crystallographic orientation upon growth.
Contributor
Prof T W Clyne
Organisation
Department of Materials Science and Metallurgy, University of Cambridge
Date
25/10/01
Licence for re-use
Attribution-Non-Commercial-Share Alike 2.0 UK: England & Wales
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