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发明授权
CN108431245B 取向电工钢板及其制造方法 有权

取向电工钢板及其制造方法
摘要：
根据本发明的一实施例的取向电工钢板包含形成于电工钢板的表面的镁橄榄石层、在镁橄榄石层向与轧制方向垂直的方向形成的槽、以及以槽上端为起点向上述电工钢板的两末端方向以上述槽宽度的1.1至1.3倍的宽度形成的镁橄榄石煅烧层。
摘要（英）：

A grain-oriented electrical steel sheet according to an embodiment of the present disclosure includes: a forsterite layer formed on the surface of an electrical steel sheet; a groove which is formed on the forsterite layer in a direction perpendicular to a rolling direction; and a forsterite calcination layer which is formed in the direction of both ends of the electrical steel sheet on the basis of an upper end of the groove and has a width of 1.1 to 1.3 times the width of the groove.

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