Metal founding – Process – Shaping liquid metal against a forming surface
Patent
1991-08-12
1993-04-13
Lin, Kuang Y.
Metal founding
Process
Shaping liquid metal against a forming surface
164486, B22D 1106, B22D 11124
Patent
active
052013634
ABSTRACT:
The method comprises effecting the solidification of the metal in a continuous casting ingot mould constituted by two cooled rolls (2) rotating in opposite directions and disposed in confronting relation so as to define a casting space therebetween, continuously extracting from the ingot mould a solidified steel strip (3), and, below the ingot mould, subjecting the strip to a quenching medium (6) so as to cool it sufficiently rapidly to prevent formation of austenite. This medium may be formed by a quenching bath placed in a container (4) disposed under the rolls (2) and having a bottom provided with an opening (5) for the passage of the solidified strip (3). The quenching medium may also be formed by an inert gas in the liquid state blown onto the product by nozzles. The steel strips obtained are easier to shear and coiled at the output end of the casting line owing to the absence of martensite in the ferritic matrix.
REFERENCES:
patent: 3658117 (1972-04-01), Fromson
patent: 4823860 (1989-04-01), Lauener
Japanese Abstracts, vol. 14, No. 87 (M-937)(4030), Feb. 19, 1990 JPA 1299745, Dec. 4, 1989, Atsushi Hirata, et al. "Method for Casting Austenitic Stainless Steel by Twin Roll Type Continuous Casting Machine".
Japanese Abstracts, vol. 11, No. 326 (C-454)(2773), Oct. 23, 1987; JPA 62-112751 May 23, 1987, Hiroo Suzuki, et al. "Manufacturer of Ferrous Shape Memory Alloy Sheet Metal Or Wire".
Japanese Abstracts, vol. 12, No. 45 (M-667)(2892), Feb. 10, 1988, JPA 62-197247, Aug. 31, 1987, Takeya Toge, et al. "Production of Thin Autstenitic Stainless Steel Strip".
Demarez Philippe
Hauser Jean-Michel
Lin Kuang Y.
Thyssen Edelstahlwerke AG
Thyssen Stahl Aktiengesellschaft
Usinor Sacilor
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