2019 Volume 60 Issue 9 Pages 1898-1901
Solidification of aluminum plate and cylinder was analyzed by tracing the flow of latent heat of solidification from liquid-solid interface to surface and therefrom to outside by heat transfer. Temperature drop at surface below melting point during the solidification was found to be related closely to the thickness of solid layer for each mode of solidification. Temperature gradient set by the above relation enabled to estimate the growing rate of solid layer. Repetition of above calculations from the beginning of solidification revealed the times for solid layer to attain varied thicknesses. Thus the solidification times of plate and cylinder with varied size and varied coefficient of heat transfer were calculated. The results of calculation were shown in numerical tables for each mode of solidification. Solidification of the superheated aluminum plate was analyzed by use of parabolic distribution of temperature in liquid before and during the solidification.
This Paper was Originally Published in Japanese in Japan Inst. Met. Mater. 83 (2019) 124–127.
