Process for producing high strength and high toughness aluminum

Details Process for producing high strength and high toughness aluminum Process for producing high strength and high toughness aluminum

1991-10-15

1993-10-26

Wyszomierski, George

Metal treatment

Process of modifying or maintaining internal physical...

Heating or cooling of solid metal

148698, C22F 104

Patent

active

052562158

ABSTRACT:
A process for producing a high strength and high toughness aluminum alloy comprises a first step of preparing an alloy material which has a primary metallographic structure with a volume fraction Vf of a single-phase structure of at least 90%, said single-phase structure is comprised of crystal particles having a particle size of less than 30 nm and an fcc structure (face-centered cubic structure), the alloy having a composition represented by a chemical formula:

REFERENCES:
patent: 4909867 (1990-03-01), Masumoto et al.
patent: 4950452 (1990-08-01), Masumoto et al.
patent: 5053084 (1991-10-01), Masumoto et al.

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