SOLIDIFICATION TIMES OF HOLLOW PLATE-SHAPED CASTINGS IN SAND MOULDSA GENERALISED SOLUTION

S Sridhara, Mallur N Srinivasan, M R Seshadri

Abstract


A modified heat balance method was used to determine the solidification times of hollow plateshaped castings under one-dimensional heat conduction. Solidifiction time values of LM6 (Al-12%Si) hollow plate-shaped castings computed from solutions developed compare favourably with the corresponding experimentally—determined values. Criterion for the applicability of the model basedon relative mould surface area and core surface area has been indicated.

 

 


Keywords


Solidification; hollow castings; heat conduction, LM6 (Al-12% Si); sand moulds; cores.

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