Aluminizing procedure plates magnetic grain oriented steel sheets and steel magnetic obtained by this procedure.

摘要

The coating process ALUMINUM A magnetic steel grain oriented HAVING suffered at least one cold rolling, at least one ANNEALING DRIVER IN AN ATMOSPHERE OF HYDROGEN, followed by decarburization annealing, impurities CHAPA are then in STATUS recrystallization PRIMARY is characterized in that iS PERFORMED pelleted ALUMINUM ON aforementioned CHAPA BETWEEN TWO STAGES OF A FINAL aNNEALING IN WHOSE FIRST STAGE PERFORMING A secondary recrystallization PARTIAL OR TOTAL impurities CHAPA AND the second stage allows diffusion ALUMINUM AND eLIMINATING IMPURITIES.