Image icon  Cu 70, Zn 30 (wt%), faster recrystallisation - finer grain size

 
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Description: This sample was annealed and 70% cold rolled, with subsequent annealing for 30 minutes at 800 °C. This high deformation leads to higher defect density and therefore more recrystallisation. This gives a finer ultimate grain size as the nucleation rate for recrystallisation increases with the extent of deformation.
Keywords: alloy • annealing • brass • copper • metal • recrystallisation • zinc
Categories: Science approaches > Microstructure
Science approaches > Strengthening mechanisms > Recovery, recrystallisation & grain growth
Materials > Metals & alloys > Copper & alloys
Materials > Metals & alloys > Other metals & alloys > Zinc & alloys
Processes > Shaping > Deformation > Rolling
Processes > Thermal treatments > Annealing
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
Package:
Resource ID: 1099