Production method of grain oriented electrical steel sheet having excellent magnetic characteristics
作者： Maremizu C , Koji C , Yasunari C , Yoichi C
DOI:
关键词: Nitriding 、 Annealing (metallurgy) 、 Recrystallization (metallurgy) 、 Impurity 、 Grain size 、 Slab 、 Electrical steel 、 Crystallization 、 Metallurgy 、 Materials science
摘要: This invention is directed to improve magnetic properties and stabilize the of a grain oriented electrical steel sheet used as core electric appliances. When producing by heating slab containing C, Si, acid-soluble Al, N, not more than 0.014% S+0.405 Se 0.05 0.8% Mn balance consisting Fe unavoidable impurities at temperature less 1,280° C., effecting hot rolling, applying cold decarbonization annealing final finish without rolled sheet, production method present controls precipitation quantity AlN in mean size primary crystallization grains from completion start annealing, applies nitriding treatment after rolling but before secondary recrystallization condition accordance with quantities Al N slab, further adds Sn.
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