Method of obtaining an aluminum based alloy with high Young's mo

Details Method of obtaining an aluminum based alloy with high Young's mo Method of obtaining an aluminum based alloy with high Young's mo

1991-03-26

1992-05-05

Roy, Upendra

Metal treatment

Process of modifying or maintaining internal physical...

With casting or solidifying from melt

148403, 148535, 148695, 420532, C22F 100

Patent

active

051103729

ABSTRACT:
A method for preparation of an aluminum based alloy composition comprising forming by spray deposition, a solid body having a composition comprising, by weight, 5.5 to 8.45% Zn, 2 to 3.5% Mg, 0.5 to 2.5% Cu, 0.1 to 0.5% Zr, 0.3 to 0.6% Cr, 0.3 to 1.1% Mn, up to 0.5% Fe, up to 0.5% Si, other elements <0.05% each, up to 0.15% total, and balance Al. The body is converted to a worked product at 300.degree. to 450.degree. C., optionally converted cold, and heat treated in a series of steps comprising dissolution, quenching and annealing in a T6 or T7 state.

REFERENCES:
patent: 4711762 (1987-12-01), Vernam et al.
patent: 4747890 (1988-05-01), Meyer
patent: 5053084 (1991-10-01), Masumoto et al.

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