FIELD: metallurgy.
SUBSTANCE: invention refers to metallurgy. To reduce roughness of texture sheet surface of electric steel and magnetic loss, a sheet features closure domain area spreading linearly along steel sheet surface at 60° to 120° angle against rolling direction, where closure domain area is formed at regular intervals s (mm) in the rolling direction so that h ≥ 74.9t+39.1 (0.26 ≥ t); h ≥ 897t-174.7 (t > 0.26); (w×h)/(s×1000) ≤ -12.6t+7.9 (t > 0.22) and (w×h)/(s×1000) ≤ -40.6t+14.1 (t ≤ 0.22), where h (µm) is depth, w (mkm) is width of closure domain area.
EFFECT: this document describes manufacturing method for texture sheet of electric steel.
4 cl, 1 tbl, 13 dwg
| Title | Year | Author | Number |
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