Electrical steel sheet and laminate thereof
AssigneePosco
InventorsDonggyu LEE, Jungwoo KIM, Bongwoo HA, Taeyoung NO, Gyeongryeol PARK
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Abstract
The present invention relates to: an electrical steel sheet including: an electrical steel sheet; and a bonding coating layer positioned on the electrical steel sheet, and further including: a first interface layer positioned in the electrical steel sheet and brought into contact with the bonding coating layer; and a second interface layer positioned in the bonding coating layer and brought into contact with the first interface layer, in which 70 mol % or more of total Si content in the bonding coating layer including the second interface layer is present in the second interface layer.
Claims12
An electrical steel sheet comprising:
- an electrical steel sheet;
- and
- a bonding coating layer positioned on the electrical steel sheet, and
- further comprising a first interface layer positioned in the electrical steel sheet and brought into contact with the bonding coating layer;
- and
- a second interface layer positioned in the electrical steel sheet and brought into contact with the first interface layer,
- wherein 70 mol % or more of total Si content in the bonding coating layer comprising the second interface layer is present in the second interface layer.
A laminate comprising:
- a plurality of electrical steel sheets;
- and
- a bonding layer positioned between the plurality of the electrical steel sheets, and
- further comprising:
- a first interface layer positioned in the electrical steel sheet and brought into contact with the bonding layer;
- and a second interface layer positioned in the bonding layer and brought into contact with the first interface layer,
- wherein 70 mol % or more of total Si content in the bonding layer comprising the second interface layer is present in the second interface layer.
Dependencies are inferred from the claim text.