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Micrograph 345 and full record

Link to image file for micrograph 345
Micrograph no
345
Brief description
Medium carbon, low alloy steel, isothermally transformed
Keywords
alloy Link to MATTER Glossary entry for alloy, carbon, iron, martensite Link to MATTER Glossary entry for martensite, metal, quenching Link to MATTER Glossary entry for quenching, steel Link to MATTER Glossary entry for steel
Categories
Metal or alloy
System
Fe-C-X   Link to phase diagram
Composition
Fe, C 0.4, Ni 1.3, Cr 0.65, Mo 0.65 (wt%)
Standard codes
BS 640M40, formerly En 111
Reaction
Processing
Isothermal transform 450 ºC, 20s
Applications
Sample preparation
Nital
Technique
Reflected light microscopy
Length bar
100 μm
Further information
A medium carbon steel that has been quenched producing martensite laths in the microstructure. A tempering operation has been carried out in order to reduce the hardness of the metal.
Contributor
Dr R F Cochrane
Organisation
Department of Materials, University of Leeds
Date
04/09/02
Licence for re-use
Attribution-NonCommercial-ShareAlike 4.0 International

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