High strength magnesium-based alloys

Details High strength magnesium-based alloys High strength magnesium-based alloys

1992-01-14

1993-06-22

Roy, Upendra

Metal treatment

Stock

Amorphous, i.e., glassy

148420, 164415, C22C 4500, C22C 2300

Patent

active

052213765

ABSTRACT:
Disclosed are high strength magnesium-based alloys consisting essentially of a composition represented by the general formula (I) Mg.sub.a M.sub.b X.sub.d, (II) Mg.sub.a Ln.sub.c X.sub.d or (III) Mg.sub.a M.sub.b Ln.sub.c X.sub.d, wherein M is at least one element selected from the group consisting of Ni, Cu, Al, Zn and Ca; Ln is at least one element selected from the group consisting of Y, La, Ce, Sm and Nd or a misch metal (Mm) which is a combination of rare earth elements; X is at least one element selected from the group consisting of Sr, Ba and Ga; and a, b, c and d are, in atomic percent, 55.ltoreq.a.ltoreq.95, 3.ltoreq.b.ltoreq.25, 1.ltoreq.c.ltoreq.15 and 0.5.ltoreq.d.ltoreq.30, the alloy being at least 50 percent by volume composed of an amorphous phase. Since the magnesium-based alloys of the present invention have high levels of hardness, strength, heat-resistance and workability, the magnesium-based alloys are useful for high strength materials and high heat-resistant materials in various industrial applications.

REFERENCES:
patent: 4938809 (1990-07-01), Das et al.
patent: 4990198 (1991-02-01), Masumoto et al.
patent: 5087304 (1992-02-01), Chang et al.
patent: 5118368 (1992-06-01), Masumoto et al.

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