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Elevated Temperature Aluminum Alloys for Aerospace Applications
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English
Abstract
Highlights of a Lockheed-California Company inhouse application study and contractual alloy development program conducted by Lockheed for the Air Force Materials Laboratory (AFML) are presented. The potential benefits are based on advanced powder metallurgy aluminum alloys with high strength and high stiffness property goals that are competitive with titanium alloy. Applications for use at service temperatures up to 650°F are projected. The aluminum-iron-oxide dispersion hardened systems are currently being developed by the Aluminum Company of America (Alcoa) and the Pratt and Whitney Aircraft - Government Products Division (P&WA). The alloy development progress and potential application on a high speed advanced aircraft fighter are summarized. Key issues requiring attention in the elevated temperature aluminum alloy technology development are presented.
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Citation
Sakata, I. and Langenbeck, S., "Elevated Temperature Aluminum Alloys for Aerospace Applications," SAE Technical Paper 831441, 1983, https://doi.org/10.4271/831441.Also In
References
- Langenbeck, S.L. et al “Elevated Temperature Aluminum Alloy Development,” F33615-81-C-5096, LR 30377 December 1982
- Sanders, R.E. Jr. Hildeman, G.J. “Elevated Temperature Aluminum Alloy Development,” AFWAL-TR-81-4076 September 1981
- Adam, C.M. Bourdeau, R.G. Brock, J.W. “Application of Rapidly Solidified Alloys,” AFWAL-TR-81-4188 February 1982
- Erick, D.L. “Development of a Mechanically Alloyed Aluminum Alloy for 450 - 650°F Service,” AFWAL-TR-79-4210 January 1980
- Wald, G.G. “Supersonic Cruise Vehicle Technology Assessment Study of an Over/Under Engine Concept - Advanced Aluminum Alloy Evaluation,” NASA Report 165676 May 1981
- Hildeman, G.J. Lege, D.J. Vasuvedan, A.K. “Fundamentals of Compaction Processes for Rapidly Quenched Pre-Alloyed Metal Powders,” AFWAL-TR-82-4156 October 1982
- Langenbeck, S.L. private communication with J. Simon, Pratt and Whitney Aircraft - GPD January 1983
- Ekvall, J.C. Rhodes, E.J. Wald, G.G. “Methodology for Evaluating Aircraft Weight Savings from Basic Material Properties,” Proceedings from ASTM E09/E24 Symposium - Design of Fatigue and Fracture Resistant Structures November 1980 Bal Harbour, Florida