| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a grain-oriented electrical steel sheet to be used for an iron core material in electrical machinery and apparatus, which has both of high magnetic properties and an excellent adhesiveness of the film, shows acid resistance even when the forsteritic film is thinned, and can be industrially stably manufactured, and to provide a manufacturing method therefor. <P>SOLUTION: The grain-oriented electrical steel sheet excellent in the magnetic properties and the adhesiveness of the film contains 2 to 5 mass% Si, has the forsteritic film on its surface, and has saturation magnetic flux density B<SB>8</SB>of 1.90 T or more. The forsteritic film contains one or two of Ce and La, and has a color of 1.0 or more but less than 7.0 in terms of yellow degree b<SP>*</SP>in a L<SP>*</SP>a<SP>*</SP>b<SP>*</SP>color coordinate system. <P>COPYRIGHT: (C)2010,JPO&INPIT |
