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Micrograph 778 and full record

Link to image file for micrograph 778
Micrograph no
778
Brief description
Grey cast iron (flake graphite)
Keywords
alloy Link to MATTER Glossary entry for alloy, carbon, cast iron Link to MATTER Glossary entry for cast iron, cementite Link to MATTER Glossary entry for cementite, ferrite Link to MATTER Glossary entry for ferrite, graphite Link to MATTER Glossary entry for graphite, grey cast iron Link to MATTER Glossary entry for grey cast iron, iron, lamella Link to MATTER Glossary entry for lamella, metal, pearlite Link to MATTER Glossary entry for pearlite, silicon Link to MATTER Glossary entry for silicon
Categories
Metal or alloy
System
Fe-C-X   Link to phase diagram
Composition
Fe, C 3.2, Si 2.5 (wt%)
Standard codes
Reaction
Processing
Applications
Sample preparation
Etchant: Nital 2%
Technique
Reflected light microscopy
Length bar
40 μm
Further information
Grey cast iron, Fe-3.2C-2.5Si wt%, containing graphite flakes in a matrix which is pearlitic. The lamellar structure of the pearlite can be resolved, appearing to consist of alternating layers of cementite and ferrite. The speckled white regions represent a phosphide eutectic.

Source: http://www.msm.cam.ac.uk/phase-trans/2001/adi/cast.iron.html.
Contributor
Dr M A Yescas-Gonzalez
Organisation
Department of Materials Science and Metallurgy, University of Cambridge
Date
18/07/03
Licence for re-use
DoITPoMS standard terms of use
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