Low density, high strength Al-Li alloy having high toughness at

Details Low density, high strength Al-Li alloy having high toughness at Low density, high strength Al-Li alloy having high toughness at

1992-05-15

1995-02-14

Dean, Richard O.

Metal treatment

Process of modifying or maintaining internal physical...

With casting or solidifying from melt

148693, 148697, 148700, 148417, 148439, 420529, 420532, 420533, 420543, C22F 104

Patent

active

053891651

ABSTRACT:
An aluminum-based alloy useful in aircraft and aerospace structures which has low density, high strength and high fracture toughness consists essentially of the following formula:

REFERENCES:
patent: 5032359 (1991-07-01), Pickens et al.
patent: 5198045 (1993-03-01), Cho et al.
patent: 5211910 (1993-05-01), Pickens et al.
Suresh, S. and Vasudevan, A. K. "Influence of Composition and Aging Treatment on Fracture Toughness of Lithium-Containing Aluminum Alloys", Aluminum Lithium Alloys III, Conference Proceedings, pp. 595-601.
White, J. et al., "Effect of Precipitation on Mechanical Properties of Al-Li-Cu-Mg-Zr", Aluminum Lithium Alloys III, Conference Proceedings, pp. 530-538.
Rinker, Marek and Sanders, Mat. Cir. and Eng. 64, 1984, pp. 207-208.

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