FIELD: metallurgy.
SUBSTANCE: claimed sheet features the distribution of strains in the areas wherein composed are resultant domains in the sheet cross-section in rolling direction. Note here that the maximum stretching strain in direction of the sheet depth makes 0.45% or less. Note also that maximum stretching strain t (%) and maximum compression strain c (%) in direction of rolling satisfy the following equation (1): t + 0.06≤t + c≤0.35.
EFFECT: possibility to produce the high-efficiency transformer with the armature composed by said sheet that features extremely low losses and noises to be used in whatever ambient conditions.
2 cl, 1 tbl, 8 dwg
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