| 摘要 |
PCT No. PCT/GB93/00971 Sec. 371 Date Nov. 7, 1994 Sec. 102(e) Date Nov. 7, 1994 PCT Filed May 12, 1993 PCT Pub. No. WO93/23576 PCT Pub. Date Nov. 25, 1993Apparatus for effecting domain refinement of electrical steels comprises an assembly of an array of rotatable members (2) mounted within a supporting structure (3) and movable into direct contact with the surface of a strip or sheet of electrical steel to create lines of local plastic deformation which extends generally across the width of the steel to effect domain refinement thereof. Relative linear movement is imparted between the member and the steel strip or sheet.
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