The Loss of Dissolved Zirconium in Zirconium-Refined Magnesium Alloys after Remelting

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MAGNESIUM alloys can generally be classified into two primary groups: aluminum free and aluminum containing. The former group mainly refers to those zirconium-refined magnesium–rare earth (Mg-RE-Zr) alloys such as ML10, ZE41, WE43 (containing Y as well), AM-SC1, MRI202S, and Elektron 21.[1] These alloys attain their excellent elevated temperature properties mostly by precipitation hardening. As a result, they have found important applications in military and commercial aircrafts, performance cars, satellites, etc., both as wrought and sand or permanent mold cast alloys (subject to solution and aging treatments). The use of zirconium in these alloys ensures uniform and fine (