Image icon  Austenitic stainless steel

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Description: Shows the grain structure of an austenitic stainless steel NF709, observed using light microscopy on a specimen polished and etched electrolytically using 10% oxalic acid solution in water. Many of the grains contain annealing twins. NF709 is a creep-resistant austenitic stainless steel used in the construction of highly sophisticated power generation units.

Keywords: alloy • annealing twins • austenite • grain • metal • stainless steel • steel
Categories: Science approaches > Structure, bonding & defects > Twins
Science approaches > Deformation & failure > Creep
Science approaches > Microstructure
Materials > Metals & alloys > Stainless steels
Processes > Thermal treatments > Annealing
Properties > Mechanical & thermal > Creep resistance
Testing, analysis & experimentation > Metallography
Scale > Micro
Created by: DoITPoMS, University of Cambridge
Prof H K D H Bhadeshia, Department of Materials Science and Metallurgy, University of Cambridge
Published by: DoITPoMS, University of Cambridge
License: This resource is released under the Creative Commons Attribution Non-Commercial Share Alike license (2.0 UK: England & Wales).
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Date created: 18 July 2003
Date added: 21 August 2009
Resource ID: 1800