| 摘要 |
PURPOSE:To improve the corrosion-resisting property of the title iron core by a method wherein the electromagnetic stainless steel of soft magnetic material mainly composed of Fe is formed into a columnar shape, and after annealing has been conducted in a gasious atmosphere, the surface layer of the columnar material is processed, and the unnecessary substance such as rust and chemical deposits and the like is removed. CONSTITUTION:The magnetically soft electromagnetic stainless steel material mainly composed of Fe is molding-processed into a columnar shape, and after it has been annealed, the working such as polishing, cutting and the like are conducted on the columnar material, and the unnecessary substances such as rust, chemical deposits and the like are removed from the surface layer of the material. |
