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Assessment of recovery and recrystallisation behaviours of cold rolled IF steel through non-destructive electromagnetic characterisation
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Roy, Rajat K., Dutta, Siuli, Panda, Ashis K., Rajinikanth, V., Das, Swapan K., Mitra, Amitava, Strangwood, M. and Davis, Claire (2018) Assessment of recovery and recrystallisation behaviours of cold rolled IF steel through non-destructive electromagnetic characterisation. Philosophical Magazine, 98 (21). pp. 1933-1944. doi:10.1080/14786435.2018.1465241 ISSN 1478-6443.
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Official URL: https://doi.org/10.1080/14786435.2018.1465241
Abstract
The recovery and recrystallisation behaviours of cold rolled IF steel have been investigated by destructive (optical microscopy and hardness) and non-destructive electromagnetic sensor, (which allows direct measurement of strip samples with no surface preparation) techniques. The onset and completion of recrystallisation are clearly monitored through destructive techniques of optical microscopy and hardness measurements. The nucleation of new recrystallised grains is observed in the sample annealed at 600 °C/15 min, while completion of recrystallisation takes place at 700 °C/15 min. The destructive techniques are not very accurate in monitoring recovery, for example, changes in hardness of <20% are seen. In contrast, the magnetic properties of annealed steel show the onsets of both recovery and recrystallisation, with recovery accounting for ≈60% change in the coercivity value. Therefore, the measurement of magnetic softening through an electromagnetic sensor acts a crucial role for understanding recovery and recrystallisation behaviours of steels during industrial processing. The present investigation is aimed not only for controlling product quality but also saving characterisation time through off line monitoring during steel processing at industry.
| Item Type: | Journal Article | ||||||
|---|---|---|---|---|---|---|---|
| Divisions: | Faculty of Science, Engineering and Medicine > Engineering > WMG (Formerly the Warwick Manufacturing Group) | ||||||
| SWORD Depositor: | Library Publications Router | ||||||
| Journal or Publication Title: | Philosophical Magazine | ||||||
| Publisher: | Informa UK Limited | ||||||
| ISSN: | 1478-6443 | ||||||
| Official Date: | 1 May 2018 | ||||||
| Dates: |
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| Volume: | 98 | ||||||
| Number: | 21 | ||||||
| Page Range: | pp. 1933-1944 | ||||||
| DOI: | 10.1080/14786435.2018.1465241 | ||||||
| Status: | Peer Reviewed | ||||||
| Publication Status: | Published | ||||||
| Access rights to Published version: | Restricted or Subscription Access |
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