Aluminum-lithium alloy

Details Aluminum-lithium alloy Aluminum-lithium alloy

1989-08-28

1992-05-26

Yee, Deborah

Alloys or metallic compositions

Aluminum base

Copper containing

420534, 420535, 148439, C22C 2112

Patent

active

051165724

ABSTRACT:
An aluminum-lithium alloy exhibiting good fracture toughness and relatively high strength has a nominal composition of 2.2 percent lithium, 0.6 percent magnesium, 2.5 percent copper, 0.12 percent zirconium with the balance being aluminum and trace elements.

REFERENCES:
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patent: 4806174 (1989-02-01), Cho et al.
patent: 4861551 (1989-08-01), Meschter et al.
Starke, E. A., Jr., et al., Journal of Metals, 33(8):24-33, 1981.
Lin, F. S., et al., Metallurgical Transactions A 13A:401-410, 1982.
Noble, B., and G. E. Thompson, "T.sub.1 (Al.sub.2 CuLi) Precipitation in Aluminium-Copper-Lithium Alloys," Metal Science Journal 6:167-174, 1972.
Kar, R. J., et al., "Correlation of Microstructures, Aging Treatments, and Properties of Al-Li-Cu-Mg-Zr I/M and P/M Alloys," in Proceedings of the Second International Aluminum-Lithium Conference, Apr. 12-14, 1983, Monterey, California, E. A. Starke, Jr. and T. H. Sanders, Jr. (Eds.), The Metallurgical Society of AIME, Warrendale, PA, pp. 255-285, 1984.

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