Importance

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Abstract

An arrangement for forcing rapid localized directional solidification, or global homogenous accelerated solidification of a liquid or semi-solid parent material, which is contained by a media mold that possesses porous properties. The process produces solidified matrix structures and cast properties in the parent material otherwise not possible through conventional solidification methods under ambient conditions. The process is capable of enhancing ordinary production cycles by reducing the overall cycle time required to produce a normally solidified material in a porous media mold. Gas is introduced into the mold media through a manifold or series of manifolds transmitting the gas to spray nozzles and further controlling the physical and mechanical properties of the gas such that the gas permeates through the mold media contacting the liquid or semi solid-parent material and effectively causing rapid solidification of the parent material, primarily as a result of the temperature differential and heat transfer between the gas and the parent material.

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First Claim