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The Hi-B silicon steels were cold rolled by cross shear rolling (CSR) with different mismatch speed ratio(MSR)s and conventional rolling(CR) respectively, followed by primary recrystallization annealing. The effects of MSR and annealing temperature on magnetic properties of ultra-thin grain oriented silicon steel were analyzed. Experimental results show that, with the increase of MSR, the magnetic properties can be remarkably improved. The higher the annealing temperature is, the higher the magnetic induction and the lower the iron loss in ultra-thin silicon steel is.
The Hi-B silicon steels were cold rolled by cross shear rolling (CSR) with different mismatch speed ratio (MSR) s and conventional rolling (CR) respectively, followed by primary recrystallization annealing. The effects of MSR and annealing temperature on magnetic properties of The experimental results show that with the increase of MSR, the magnetic properties can be remarkably improved. The higher the annealing temperature is, the higher the magnetic induction and the lower the iron loss in ultra- thin silicon steel is.