Stress effects on the multidirectional magnetic behaviour of grain-oriented silicon iron sheets

The paper discusses effects of tensile and compressive stress on highly grain oriented SiFe sheets subject to rotational magnetisation which was simulated according to elliptical B-patterns of model transformer cores. Experimental results are given for all three H-patterns, losses and multidirectional magnetostriction. Interpretations are based on domain theory, and conclusions are presented with respect to transformer cores.