Threedimensional Elasto–Plastic and Creep Analysis of Bulging in Continuously Cast Slabs.pdf

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Threedimensional Elasto–Plastic and Creep Analysis of Bulging in Continuously Cast Slabs.pdf

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Threedimensional Elasto–Plastic and Creep Analysis of Bulging in Continuously Cast Slabs

ISIJ International, Vol. 29 (1989), No. 8, pp. 666-672 Three-dimensional Elasto-Plastic and Creep Analysis of Bulging in Continuously Cast Slabs KazuO and Hisakazu OKAMURA KAWASHIMA lron and Steel Research Laboratories, SumitomoMetal Industries, Ltd Nishinagasu-hondori, Amagasaki, Hyogo-ken, 660 Japan. , (Received on August 1. 1988, accepted in the final form March 10. 1989) 1 on The bulging behavior of the sofidified shelf in continuously cast sfabs have been numerically analyzed using the elasto- plastic and creep Finite Element Method. Three-dimensional model has beenapplied in order to investigate the effect of the narrow face shell on restraining the bulging deflection. Three-dimensional shell profile and temperature distribution in it have beendetermined usingthesegregation considered solidification analysis method. Inthisway, strainsoccurring at the solidification front near the narrow face of the slab, as well as those occurring in the broad face have beencomputed. The computedbulging deflection have been in good agreementwith measurements,and the relationship between the strain caused by the bulging and the internal cracks have beeninvestigated. In addltlon the eftect ofthe slab wldth on the bulging are discussed. KEY continuous casting; numerical simulation; bulging; finite WORDS: