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Full Record for Micrograph 760

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Micrograph no
760
Brief description
Bi 60, Sn 40 (wt%)
Keywords
alloy Link to MATTER Glossary entry for alloy, bismuth, metal, tin
Categories
Metal or alloy
System
Bi-Sn   Link to phase diagram
Composition
Bi 60, Sn 40 (wt%)
Standard codes
Reaction
Processing
Small casting in alumina crucible - air cooled.
Applications
Educational alloy - low melting point allows easy and safe use for students.
Sample preparation
Standard polishing techniques.
Technique
Scanning electron microscopy (SEM) in secondary electron imaging (SEI) mode
Length bar
100 μm
Further information
The composition is near eutectic, and the cooperative growth into fine lamellae can be clearly seen. It is also clear that in some areas the lamellae were growing out of the image(the curved lines and dots), while in other the lamellae were almost within the plane of the image(nearly parallel lines).
Contributor
M Charles and A Cockburn
Organisation
Department of Materials Science and Metallurgy, University of Cambridge
Date
07/05/03
Licence for re-use
Attribution-Non-Commercial-Share Alike 2.0 UK: England & Wales
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