Metal treatment – Process of modifying or maintaining internal physical... – Heating or cooling of solid metal
Patent
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).
LaSalle Jerry C.
Ramanan V. R. V.
Skinner David J.
Allied-Signal Inc.
Buff Ernest D.
Dean R.
Fuchs Gerhard H,.
Koehler Robert R.
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