日本金属学会誌

J. Japan Inst. Metals, Vol. 34, No. 11 (1970),
pp. 1135-1139

The Influence of the Heat Resistance at the Mold-Ingot Interface on the Solidification of Ingots

Yoshinori Nishida1

1Government Industrial Research Institute, Nagoya, Nagoya

Abstract:

The influence of the contact heat resistance at the mold-ingot interface on the solidification of ingots is discussed. The numerical values of the heat resistance are calculated using the solution which is obtained when the heat through the interface is given. The solidified layers and the temperature distributions are presented in the cases of practical variations of the heat resistance.
For the case of pure aluminium as an ingot and cast iron as a mold, the growth of the solidified layers with respect to time are given in Fig. 2, Fig. 5 and Fig. 8, when the heat resistance varies with time as in Fig. 1, Fig. 4 and Fig. 7 respectively. In Fig. 3, Fig. 6 and Fig. 9 are shown the temperature distributions when the heat resistances are approximately constant.


(Received 1970/7/1)

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