Image icon  Cu 70, Zn 30 (wt%), partial recrystallisation - annealing twins

 
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Description: This sample was annealed and 50% cold rolled, with subsequent annealing for 30 minutes at 600 °C. This has caused partial recrystallisation to occur creating new dislocation-free grains with some annealing twins. The temperature is too low for significant grain growth preventing complete recrystallisation.
Keywords: alloy • annealing • brass • copper • metal • partial recrystallisation • recrystallisation • twinning • zinc
Categories: Science approaches > Structure, bonding & defects > Twins
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
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Date created: 25 October 2001
Date added: 21 August 2009
Package:
Resource ID: 1096