Alloys or metallic compositions – Aluminum base – Copper containing
Patent
1989-03-23
1991-07-16
Dean, R.
Alloys or metallic compositions
Aluminum base
Copper containing
148417, 148439, 148440, 420539, 420543, 420545, C22C 2106
Patent
active
050323598
ABSTRACT:
A family of alloys based upon aluminum-copper-magnesium-silver alloys to which lithium has been added, within specified ranges, exhibits superior ambient- and elevated-temperature strength, superior ductility at ambient and elevated temperatures, extrudability, forgeability, weldability, and an unexpected natural aging response.
REFERENCES:
patent: 1620082 (1927-03-01), Czochralski
patent: 2381219 (1945-08-01), Le Baron
patent: 2915391 (1959-12-01), Criner
patent: 3288601 (1966-11-01), Flemings et al.
patent: 3306717 (1967-02-01), Lindstrand
patent: 3346370 (1967-10-01), Jaqaciak
patent: 3563730 (1971-02-01), Bach et al.
patent: 3720508 (1973-03-01), Brock et al.
patent: 3741827 (1973-06-01), Reynolds et al.
patent: 3794531 (1974-02-01), Markworth et al.
patent: 3876474 (1975-04-01), Watts et al.
patent: 3925067 (1975-12-01), Sperry et al.
patent: 4033794 (1977-07-01), Stowell et al.
patent: 4094705 (1978-06-01), Sperry et al.
patent: 4164434 (1979-08-01), Fister et al.
patent: 4584173 (1986-04-01), Gray et al.
patent: 4588553 (1986-05-01), Evans et al.
patent: 4594222 (1986-06-01), Heck et al.
patent: 4597792 (1986-07-01), Webster
patent: 4603029 (1986-07-01), Quist et al.
patent: 4624717 (1986-11-01), Miller
patent: 4626409 (1986-12-01), Miller
patent: 4629505 (1986-12-01), Paris
patent: 4661172 (1987-04-01), Skinner et al.
patent: 4735774 (1988-04-01), Narayanan
patent: 4758286 (1988-07-01), DuBost et al.
patent: 4772342 (1988-09-01), Polmear
patent: 4816087 (1989-03-01), Cho
"Development of an Experimental Wrought Aluminum Alloy for use at Elevated Temperatures", Polmear, Aluminum Alloys: Their Physical and Mechanical Properties, E. A. Starke, Jr. & T. H. Sanders, Jr., editors, vol. I of Conference Proceedings of Int'l Conf., Univ. of Va., Charlottesville, VA, 15-20, Jun. 1986, pp. 661-674, Chameleon Press, London.
Meister and Martin, "Welding of Aluminum & Aluminum Alloys", Defense Metals Information Center, Battelle Memorial Institute, Columbus, Ohio 1967, pp. 47-49.
Yo Kojima et al., "Effects of Lithium Addition on the Elevated Temperature Properties of 2219 Alloy", Journal of Japan Institute of Light Metals, vol. 36, No. 11, Nov. 1986, pp. 737-743.
Hayashi et al., "Aging Phenomena of Al-Li-Mg Alloy Affected by Additional Elements", Journal of Japan Institute of Light Metals, vol. 32, No. 7, Jul., 1982.
Marchive & Charue, "Procesing & Properties", 4th International Aluminum Lighium Conference, Champier, DuBost, Miannay & Sabetay, eds., Proceedings of Int'l Conference, 10-12, Jun., 1987, Paris, pp. 43-49.
Bretz, "First Generation Products-2090", Alithalite Alloys: 1987 Update, Kar, Agrawal, Quist, eds. Conference Proceedings of International Aluminum-Lithium Symposium, Los Angeles, Calif., 25-26, Mar., 1987, pp. 1-40.
Chester & Polmear, "TEM Investigations of Precepitates in Al-Cu-Mg Alloys", Micron, 1980, vol. 11, pp. 311-312, Pergamon Press, Great Britain.
Heubaum Frank H.
Kramer Lawrence S.
Kumar K. Sharvan
Pickens Joseph R.
Chin Gay
Dean R.
Koehler Robert R.
Martin Marietta Corporation
Mylius Herbert W.
LandOfFree
Ultra high strength weldable aluminum-lithium alloys does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Ultra high strength weldable aluminum-lithium alloys, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Ultra high strength weldable aluminum-lithium alloys will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-129991