Electromagnetic steel sheet
AssigneeToyota Jidosha Kabushiki Kaisha
InventorToshimitsu Takahashi
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Abstract
An electromagnetic steel sheet that can maintain satisfactory processability and thermostability, and exhibit a high space factor when used as, for example, a motor or transformer core material is provided. Such electromagnetic steel sheet comprises a coat containing an organic material provided on one outermost surface thereof, and a coat containing low-melting glass provided at least partially on the other outermost surface thereof. A motor core comprising such electromagnetic steel sheet is also provided. A method for producing such electromagnetic steel sheet and a method for producing such motor core are also provided.
Claims16
An electromagnetic steel sheet, comprising:
- a first coat containing an organic material provided on one outermost surface of the electromagnetic steel sheet,
- a second coat containing the organic material on the other outermost surface of the electromagnetic steel sheet, and
- coats containing a low-melting glass having a melting point of 500° C. and 600° C. provided at least partially on a surface of the second coat.
An electromagnetic steel sheet, comprising:
- a coat containing an organic material provided on one outermost surface of the electromagnetic steel sheet, and
- coats containing a low-melting glass having a melting point of 500° C. to 600° C. provided at least partially on the other outermost surface of the electromagnetic steel sheet,
- wherein the coats containing the low-melting glass do not contain the organic material.
Dependencies are inferred from the claim text.