High-strength and high-ductility aluminum-base alloy

Details High-strength and high-ductility aluminum-base alloy High-strength and high-ductility aluminum-base alloy

1997-03-07

1999-05-04

Davis, Robert

Alloys or metallic compositions

Aluminum base

Silicon containing

420528, 420529, 420537, 420538, 420550, 420551, 420552, 148559, 148561, 148403, 148437, 148438, C22C 2100

Patent

active

059002107

ABSTRACT:
A high-strength and high-ductility aluminum-base alloy consisting of a composition of general formula: Al.sub.ba1 Mn.sub.a Si.sub.b or Al.sub.ba1 Mn.sub.a Si.sub.b TM.sub.c (wherein TM is one or more elements selected from the group consisting of Ti, V, Cr, Fe, Co, Ni, Cu, Y, Zr, La, Ce and Mm; and a, b and c are, in atomic percentages, 2.ltoreq.a.ltoreq.8, 0.5.ltoreq.b.ltoreq.6, 0<c.ltoreq.4, and a.gtoreq.b), wherein the alloy contains quasi-crystals. The an aluminum-base alloy have superior mechanical properties such as high hardness, high strength and high ductility.

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Abstract--Database Inspec--Bendersky L A, et al., "Microstructural Characterization of Atomized powder of AL-5Mn-5Fe-2Si (wt.%) Alloy," Institute of Electrical Engineers, Stevenage, GB, and Seventh International Conference on Rapidly Quenched Materials, Stockholm, Sweden, Aug. 13-17, 1990, vol. A134, ISSN 0921-5093, Materials Science & Engineering A (Structural Materials: Properties, Microstructure and Processing), Mar. 25, 1991, Switzerland, pp. 1098-1102.
Abstract--Database Inspec--Guo Y X, et al. "Coherence Between Icosahedral Quasicrystals and Aluminum in an Al-Mn-Cr-Si Alloy," and Philosophical Magazine Letters, Apr. 1991, UK, vol. 63, No. 4, ISSN 0950-0839, pp. 179-183.

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