Laser treatment of electrical steel

Details Laser treatment of electrical steel Laser treatment of electrical steel

C - Chemistry, Metallurgy

21

D

148/9, 327/1.1

C21D 1/34 (2006.01) B23K 26/08 (2006.01) C21D 8/12 (2006.01) H01F 1/18 (2006.01)

Patent

CA 1202550

LASER TREATMENT OF ELECTRICAL STEEL GARY L. NEIHEISEL JERRY W. SCHOEN ABSTRACT OF THE DISCLOSURE A process is taught for improving the core loss of magnetic materials of the type having a plurality of magnetic domains and an insulative coating thereon. The insulative coating may be a mill glass, an applied coating, or both. The magnetic material is scanned by the beam of a laser across its rolling direction so as to subdivide the magnetic domains without damage to the insulative coating.

431675

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