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Home  >  Journal list  >  MATERIALS TRANSACTIONS  >  Vol.48  No.11 (2007)  >  pp.2809-2815

MATERIALS TRANSACTIONS
<<Previous article Vol.48  No.11 (2007)   pp.2809 - 2815 Next article>>

Effect of High Magnetic Field Annealing on Microstructure and Texture at the Initial Stage of Recrystallization in a Cold-Rolled Interstitial-Free Steel

Yan Wu1), Xiang Zhao1), Chang-Shu He1), Yu-Dong Zhang1), Liang Zuo1) and Claude Esling2)
1) Key Laboratory for Anisotropy and Texture of Materials (Ministry of Education), Northeastern University
2) LETAM, CNRS-UMR 7078, University of Metz


The effects of magnetic field annealing on microstructure and texture evolution at the initial stage of recrystallization in as-annealed interstitial-free (IF) steel sheet were investigated by the orientation imaging microscopy (OIM) and microhardness testing. The magnetic field annealing was conducted in a 12-tesla magnetic field at 650°C for different time spans (0, 10 and 30 min) to obtain partially recrystallized microstructure in specimens. It was found that the magnetic field annealing retarded the recrystallization process, and favoured the development of ⟨110⟩ texture components at the initial stage of recrystallization. Additionally, it is worth noting that, in the case of annealing for 10 min, we observed more pronounced {111}⟨123⟩ component associated with coarse grains in the magnetic field annealed specimen, which may suggest that this component was favoured by the applied high magnetic field in the early stage of nucleation and growth.


Keyword:
high magnetic field, texture, recrystallization, nucleation, orientation imaging microscopy (OIM), interstitial-free (IF) steel

Received: May 01, 2007
Accepted: July 09, 2007 , Published online: October 25, 2007
Copyright (c) 2007 The Japan Institute of Metals

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