Microstructure, texture and magnetic properties of Si-Sb ultra-low carbon electrical steels, hot-rolled at temperatures below AC1 and subjected to annealing before to cold rolling
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In this work, ultra-low carbon Si-Sb steels were hot-rolled (HR) at 800 °C and subjected to annealing before cold rolling (ABCR) at 880 °C for different times (30–180 min). Samples processed after 180 min were then subjected to cold rolling (CR) (0.25 mm thickness) and final annealing (FA) at 850 °C for 60 min. Magnetic properties were evaluated in cold rolled, and final annealed samples, at 0°, 45° and 90° with respect to the rolling direction. In general, annealing modifies the microstructure and texture of the hot-rolled material, leading to an improvement in the magnetic behavior of final products.
Alternative route; Hot rolling temperature; Magnetic properties; Microstructure; Texture Low carbon steel; Silicon steel; Alternative routes; Annealed samples; Cold-rolled; Electrical steels; Hot rolling temperatures; Hot-rolled; Microstructure-texture; Property; Rolling direction; Ultra low carbon; Annealing
