POSCO Holdings Inc.
HIGH STRENGTH MAGNESIUM ALLOY WITH EXCELLENT FLAME RETARDANCY, AND METHOD FOR PRODUCING SAME

Abstract:

An aspect of the present disclosure relates to a high strength magnesium alloy with excellent flame retardancy, wherein the magnesium alloy comprises 2.0-13.0 wt % of Al, 0.1-0.5 wt % of Mn, 0.0015-0.025 wt % of B, and 0.1-1.0 wt % of Y with the remainder comprising Mg and other unavoidable impurities, and comprises 6.5% or more of an Mg--Al intermetallic compound in terms of volume fraction, the Mg--Al intermetallic compound having an average grain size of 20-500 nm.