Patent ID: 6056802
Filing Date: 2000-05-02
Classification: B22F,C22C

Abstract:
A high-strength aluminum-based alloy consisting essentially of a composition represented by the general formula:Al.sub.bal Mn.sub.a M.sub.b TM.sub.cwherein M represents one or more members selected from the group consisting of Ni, Co, Fe and Cu, TM represents one or more members selected from the group consisting of Ti, V, Cr, Y, Zr, La, Ce and Mm and a, b and c each represent an atomic percent (at %) in the range of 2.ltoreq.a.ltoreq.5, 2.ltoreq.b.ltoreq.4 and 0<c.ltoreq.2 and containing 10 to 80% volume fraction monoclinic crystals of an intermetallic compound of an Al.sub.9 Co.sub.2 -type structure in the structure thereof, and wherein the high-strength aluminum-based alloy has a structure comprising the monoclinic crystals and aluminum, or the monoclinic crystals and a supersaturated solid solution of aluminum.