Strength enhancement of rapidly solidified aluminum-lithium thro

Details Strength enhancement of rapidly solidified aluminum-lithium thro Strength enhancement of rapidly solidified aluminum-lithium thro

1991-10-25

1993-01-12

Dean, R.

Metal treatment

Process of modifying or maintaining internal physical...

Heating or cooling of solid metal

148416, 148417, 148439, 148688, 148699, 148700, 420533, 420552, C22F 104

Patent

active

051786958

ABSTRACT:
A component consolidated from a rapidly solidified aluminum-lithium alloy containing copper, magnesium and zirconium is subjected to a preliminary aging treatment at a temperature of about 400.degree. C. to 500.degree. C. for a time period of about 0.5 to 10 hours; quenched in a fluid bath; and subjected to a final aging treatment at a temperature of about 100.degree. C. to 250.degree. C. for a time period ranging up to about 40 hours. The component exhibits increased strength and elongation, and is especially suited for use in lightweight structural parts for land vehicles and aerospace applications.

REFERENCES:
patent: 4747884 (1988-05-01), Gayle et al.
patent: 4842822 (1989-06-01), Colvin et al.
Conference Proceedings of Aluminum-Lithium V, ed. T. H. Sanders & E. A. Starke, pub. MCE (1989).

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