連続鋳造と熱間圧延の直結化に関する温度的考察(熱間圧延)(<特集>連続鋳造-熱間圧延の直結化)

概要

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The possibility of unification between the continuous casting and hot rolling processes has been investigated from a point of view of a slab temperature. Then, we have made a numerical model to estimate the change in slab temperature from a meniscus to a crater-end as well as the growing process of shell thickness, and calculated the temperature process of slab and the position of crater-end under various conditions. Also, the effect of the thermal insulator, the casting speed and the width as well as length of the secondary cooling zone on the slab temperature has been studied to find out the optimal condition for producing slabs with a possibly high temperature. Next, we have numerically examined whether or not the slab transported directly from the continuous casting machine is permissible to be hot-rolled under such a temperature condition. The results so obtained show the possibility of direct rolling for producing hot coils thicker than 2 mm.
社団法人日本鉄鋼協会の論文
1988-07-01