鉄と鋼
Online ISSN : 1883-2954
Print ISSN : 0021-1575
ISSN-L : 0021-1575
凝固末期軽圧下における連鋳鋳片の変形挙動
荻林 成章西原 良治佐藤 哲
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ジャーナル フリー

1997 年 83 巻 1 号 p. 36-41

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Three dimensional deformation behavior of continuously cast strand during soft reduction, which is considered to be an important factor when applying optimum reduction rate in soft reduction technology for reducing center segregation, was experimentally and theoretically analyzed and following results were obtained.
(1) Continuously cast strand deforms during soft reduction not only in the thickness direction but also in the width and casting directions. The longitudinal elongation and width spreading are proportional to the reduction amount.
(2) Theoretical model to simulate deformation behavior during soft reduction has been developed.
(3) Reduction efficiency defined as the ratio of reduction area for unsolidified region to the total reduction area is expressed as a function of the ratio of unsolidified width to the total strand width and decreases with the decreases in unsolidified width and aspect ratio of the strand.

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