MODIFN Meteorology Abbreviation

Modification

A process in which the eutectic temperature, structure and composition of aluminum-silicon alloys are apparently altered by the addition of small amounts of a third element, such as sodium. A similar phenomenon can be affected by chill casting. A process in which the eutectic temperature, structure, and composition of aluminum silicon alloys are apparently altered by the addition of small amounts of a third element, such as sodium.