Image icon  Fe, C 0.1 (wt%), hypoeutectoid alloy

 
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Description: This SEM image of a pearlite region in the microstructure shown in micrograph no 19 shows that the ferrite phase in the pearlite has been selectively etched compared to the cementite. The cementite phase appears to protrude from the surface. Within such A pearlite region there are several colonies in different orientations, indicating that the pearlite nucleated on grains of the primary ferrite.
Keywords: alloy • carbon • cementite • ferrite • hypoeutectoid • iron • metal • pearlite • proeutectoid steel • steel
Categories: Science approaches > Microstructure
Materials > Metals & alloys > Carbon steels
Testing, analysis & experimentation > Metallography
Scale > Micro
Created by: Prof T W Clyne, Department of Materials Science and Metallurgy, University of Cambridge
DoITPoMS, 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: 25 October 2001
Date added: 21 August 2009
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Resource ID: 1084