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2 159 821

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Application

2000112618/02, 2000-05-23

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Start date

2000-05-23

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Actual filing date

2000-05-23

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Published

2000-11-27

(72)

Inventor

Tsyrlin M.B.Lobanov M.L.Shevelev V.V.Kavtrev V.M.

(73)

Holder

Tsyrlin Mikhail BorisovichLobanov Mikhail L'VovichShevelev Valerij ValentinovichKavtrev Vladislav Mikhajlovich

METHOD OF PRODUCTION OF ANISOTROPIC ELECTRICAL- SHEET STEEL Russian patent published in 2000 - IPC

Abstract RU 2159821 C1

FIELD: ferrous metallurgy; production of electrical- sheet steels. SUBSTANCE: method consists in adjustment of parameters of process so that structural contrast in thickness of strips is formed in structure of matrix before beginning of secondary recrystallization at high-temperature annealing and average size of grains in central zone exceeds average size of grains in subsurface zones by 1.3 to 1.5 times. EFFECT: improved magnetic properties. 3 cl, 3 tbl, 2 ex

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RU 2 159 821 C1

Authors

Tsyrlin M.B.

Lobanov M.L.

Shevelev V.V.

Kavtrev V.M.

Dates

2000-11-27—Published

2000-05-23—Filed

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