Metal treatment – Process of modifying or maintaining internal physical... – With casting or solidifying from melt
Patent
1993-01-25
1994-06-07
Dean, Richard O.
Metal treatment
Process of modifying or maintaining internal physical...
With casting or solidifying from melt
148552, 148437, 148438, 148439, 148440, C22F 104
Patent
active
053186427
ABSTRACT:
A high-strength rolled sheet of an aluminum alloy having a composition represented by the general formula Al.sub.bal Ni.sub.a X.sub.b, Al.sub.bal Ni.sub.a X.sub.b M.sub.c or Al.sub.bal Ni.sub.a X.sub.b M.sub.c Q.sub.d, wherein X represents at least one element selected from among La, Ce, Mm, Ti and Zr; M represents at least one element selected from among V, Cr, Mn, Fe, Co, Y, Nb, Mo, Hf, Ta and W; Q represents at least one element selected from among Mg, Si, Cu and Zn; and a, b, c and d are, in atomic percentages, 2.ltoreq.a.ltoreq.10, 0.1.ltoreq.b.ltoreq.3.ltoreq.0.1.ltoreq.c.ltoreq.2 and 0.01.ltoreq.d.ltoreq.2, wherein intermetallic compounds crystallized therefrom have a maximum particle size of 10 .mu.m or less. The rolled sheet can be easily produced by subjecting a melt of an alloy having the above-described composition to rolling simultaneously with cooling and solidification to provide a rolled sheet and has high strength and rigidity and excellent heat resistance and ductility.
REFERENCES:
patent: 5053085 (1991-10-01), Masumoto et al.
Chemical Abstracts, vol. 117, No. 10, Sep. 7, 1992, Columbus, Ohio; abstract No. 9549r, *abstract* and JP-A-432541 (Kobe Steel) Feb. 4, 1992.
Dean Richard O.
Koehler Robert R.
Yoshida Kogyo K.K.
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