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Meeting 2023 TMS Annual Meeting & Exhibition
Symposium Electrical Steels
Presentation Title A new approach to optimise the microstructure of non-oriented Electrical Steel sheets
Author(s) Saeed Tamimi, Youliang He, Winfried Kockelmann, Leo Kestens
On-Site Speaker (Planned) Saeed Tamimi
Abstract Scope It is well established that shear plastic deformation together with annealing can promote the formation of <100> in non-oriented electrical steel (NOES) sheets. This shear plastic deformation can be achieved through repetitive bending and unbending. This work introduces a novel deformation process of repetitive-bending-under-tension (RBUT) to modify the texture of a NOES sheet. In this process, the strips are subjected to repetitive bending and unbending by sliding a set of rollers over the length of the piece when pulled under tension. The deformed strips were then heat-treated under different conditions. Macro- and micro-texture characterisation confirmed that the RBUT process significantly reduced the undesired {111} texture while promoting the {001} texture. The results also indicated that the metallic strips subjected to RBUT could be deformed uniformly and beyond their standard formability limit. This may provide an alternative technique to address the poor workability challenge of high-silicon-NOES sheets.
Proceedings Inclusion? Planned:
Keywords Characterization, Magnetic Materials, Process Technology

OTHER PAPERS PLANNED FOR THIS SYMPOSIUM

A new approach to optimise the microstructure of non-oriented Electrical Steel sheets
Constitutive Modelling of High-temperature Flow Behavior of a Non-oriented Electrical Steel with 3.2 wt% Si
Effect of cold rolling reduction rate and rare earth yttrium on microstructure and texture of oriented silicon steel
Effect of melt superheat on microstructure and texture of non-oriented electrical steel sheet produced by the ultra-thin strip casting
Effect of Natural Deposited Films on Interfacial Heat Transfer during Sub-rapid Solidification of Non-oriented Electrical Steel
Effect of Rare Earth Yttrium on inclusion and texture of oriented silicon steel
Effects of normalization process on microstructure and texture of non-oriented electrical steel produced by ultra-thin strip casting
Microstructure and texture evolution of high grade non-oriented electrical steel for new energy vehicles during hot rolling
Report on some recent progress on the understanding of the Goss texture in Fe-3 % Si grain oriented electrical steels
Simulation of Solidification Structure of 3 % Oriented Silicon Steel by Twin Roll Strip Casting
The processing and application of Fe-6.5%Si ribbons and flakes
The Role of Temper Rolling and Annealing on the Magnetic Property Improvement of a Low Si Non-oriented Electrical Steel

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