US 5137686
ALUMINUM-LITHIUM ALLOYS
Assignee
ALUMINUM COMPANY OF AMERICA, A CORP. OF PA.
Filed
Jan 28, 1988
Granted
Aug 11, 1992
Location
LOWER BURRELL PA US
Abstract
Disclosed is an aluminum base alloy suitable for forming into a wrought product having improved combinations of strength, corrosion resistance and fracture toughness. The alloy is comprised of 0.2 to 5.0 wt. % Li, 0.05 to 6.0 wt. % Mg, at least 2.45 wt. % Cu, 0.01 to 0.16 wt. % Zr, 0.05 to 12 wt. % Zn, 0.5 wt. % max. Fe, 0.5 wt. % max. Si, the balance aluminum and incidental impurities.
Source: Google Patents
35 USC §181 Secrecy Order
Imposed
Mar 29, 1989
Rescinded
Jun 5, 1989
Duration
2 months
Inventor
- 1ROBERTO J. RIOJA
Record Details
- Patent number
- US 5137686
- Application
- 07149802
- Aerospace match
- No
- Dataset source
- 35 USC §181 SO records
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ALUMINUM COMPANY OF AMERICA, A CORP. OF PA.Back to patent indexSource: USPTO 35 USC §181 secrecy order records