Method for producing a magnetic steel strip by direct casting

Details Method for producing a magnetic steel strip by direct casting Method for producing a magnetic steel strip by direct casting

1992-10-28

1995-05-23

Wyszomierski, George

Metal treatment

Process of modifying or maintaining internal physical...

Magnetic materials

148111, 164477, 164479, 164480, H01F 104

Patent

active

054177723

ABSTRACT:
Method for producing a magnetic steel strip having a thickness of less than 5 mm and containing, in composition by weight, more than 2% silicon, less than 0.1% carbon and a suitable amount of secondary recrystallization inhibiting elements, the balance being iron, obtained by a direct casting on one roll or between two rolls, characterized in that it comprises creating a crystallization structure comprising oriented grains {110} <001> in the skin, i.e. on the surface of a quench zone, by the sudden cooling of the steel in contact with the roll or rolls whose surface temperature is lower than 400.degree. C.

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patent: 4715905 (1987-12-01), Nakaoka et al.
patent: 5049204 (1991-09-01), Iwanaga et al.
patent: 5056343 (1991-11-01), Nakashima et al.
patent: 5259439 (1993-11-01), Blejde et al.
patent: 5259443 (1993-11-01), Osada et al.
Patent Abstracts of Japan, vol. 15, No. 6 (M-1066), Jan. 8, 1991 & JP-A-2 258 149, Isao, et al., "Production of Unidirectional High Magnetic Fulx Density Magnetic . . . ".
Iron and Steel Engineer, vol. 67, No. 7, Jul. 1990, pp. 51-55, J. A. Burgo, et al., "Thermal Design and Analysis of a Twin-Roll Caster".

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