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Full Record for Micrograph 722

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Micrograph no
722
Brief description
Ni-Superalloy
Keywords
creep Link to MATTER Glossary entry for creep, nickel, single crystal
Categories
Metal or alloy
System
Ni-X
Composition
Ni, Al, Re, W, Ta, Cr, Co, Ru (Ni-Superalloy)
Standard codes
Reaction
Processing
Solution heat treated, creep test
Applications
The single crystal superalloy can undergo microstructural changes when it’s stressed at high temperature, the phenomena is called "rafting", which can be good for high temperature (above 1050°C) and low stress (100 MPa) conditions.
Sample preparation
Standard polishing procedure
Technique
Field emission gun scanning electron microscopy (FEGSEM) in secondary electron imaging (SEI) mode
Length bar
6 μm
Further information
This image shows the microstructure of a crept Ni-base superalloy. The g' phase has rafted.
Contributor
A C Yeh
Organisation
Rolls-Royce University Technology Centre, Department of Materials Science and Metallurgy, University of Cambridge
Date
05/03/03
Licence for re-use
Attribution-Non-Commercial-Share Alike 2.0 UK: England & Wales
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