METHOD OF MAKING ANISOTROPIC ELECTRICAL-SHEET STEEL Russian patent published in 2004 - IPC

Abstract RU 2237729 C1

FIELD: ferrous metallurgy; making anisotropic electrical-sheet steels, including silicon with ribbed texture (110) [001].

SUBSTANCE: proposed method includes melting, teeming, hot rolling, repeated cold rolling at intermediate annealing processes, decarbonizing annealing, nitriding, high-temperature and rectifying annealing; section of steel is performed before cold rolling by upsetting to depth h_ups≤h_init-h_fin, where h_init and h_fin are initial and final thicknesses of band, respectively.

EFFECT: improved magnetic properties of steel; increased magnetic induction.

2 cl, 1 dwg, 1 tbl, 1 ex

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RU 2 237 729 C1

Authors

Gubernatorov V.V.

Pjatygin A.I.

Sycheva T.S.

Dates

2004-10-10—Published

2003-03-03—Filed