Dispersion Strengthened Aluminum Alloys PDF Download
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Author: Y.-W. Kim
Publisher:
ISBN:
Category :
Languages : en
Pages : 0
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Book Description
Author: Y.-W. Kim
Publisher:
ISBN:
Category :
Languages : en
Pages : 0
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Book Description
Author: Young-Won Kim
Publisher:
ISBN:
Category : Technology & Engineering
Languages : en
Pages : 872
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Book Description
Author: Metallurgical Society of AIME Staff
Publisher:
ISBN: 9780783760629
Category :
Languages : en
Pages : 804
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Book Description
Author: D. G. Boxall
Publisher:
ISBN:
Category :
Languages : en
Pages : 12
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Book Description
Author: Nicholas John Grant
Publisher:
ISBN:
Category : Alloys
Languages : en
Pages : 44
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Book Description
Author: Facundo Rolf Morral
Publisher:
ISBN:
Category : Dispersion strengthening
Languages : en
Pages : 214
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Book Description
Author: Mark I. Copeland
Publisher:
ISBN:
Category : Dispersion strengthening
Languages : en
Pages : 530
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Author: WM. Griffith
Publisher:
ISBN:
Category : Al-Fe-Ce alloys
Languages : en
Pages : 13
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Book Description
Dispersion-strengthened powder metallurgy aluminum alloys are being developed for structural applications up to 616 K (650°F). This research is being conducted under Air Force Wright Aeronautical Laboratories/Materials Laboratory Contract No. F33615-81-C-5096. The Lockheed-California Co. is the prime contractor with the Aluminum Company of America (Alcoa) and Pratt and Whitney Aircraft participating as subcontractors. The current alloy development has been directed towards the goal of producing high-strength/high-stiffness alloys with properties competitive to those of Ti-6Al-4V on a density-compensated basis. Alcoa has been developing the Al-Fe-Ce alloy system and Pratt and Whitney the Al-Fe-Mo alloy system. The second iteration of alloy development is presented. Mechanical property behavior of each rectangular extruded alloy was evaluated. The testing included room-temperature and elevated-temperature tension, fracture toughness, creep, and elevated-temperature stability tests. The Al-Fe-Ce alloys met or exceeded most of the program goals, while the Al-Fe-Mo alloys nearly achieved all of the goals. Achievement of the target properties provides a 15% weight savings for airframe structures and up to 35% weight savings for engine components.
Author:
Publisher:
ISBN:
Category :
Languages : en
Pages : 158
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Author: National Aeronautics and Space Adm Nasa
Publisher: Independently Published
ISBN: 9781731402776
Category : Science
Languages : en
Pages : 160
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Book Description
Rapidly solidified alloys, based upon the Al-Fe-V-Si system and designed for elevated temperature applications, were evaluated for superplasticity and diffusion bonding behavior. Alloys with 8, 16, 27, and 36 volume percent silicide dispersoids were produced; dispersoid condition was varied by rolling at 300, 400, and 500 C (572, 752, and 932 F). Superplastic behavior was evaluated at strain rates from 1 x 10(exp -6)/s to 8.5/s at elevated temperatures. The results indicate that there was a significant increase in elongation at higher strain rates and at temperatures above 600 C (1112 F). However, the exposure of the alloys to temperatures greater than 600 C (1112 F) resulted in the coarsening of the strengthening dispersoid and the degradation of mechanical properties. Diffusion bonding was possible using low gas pressure at temperatures greater than 600 C (1112 F) which also resulted in degraded properties. The bonding of Al-Fe-V-Si alloys to 7475 aluminum alloy was performed at 516 C (960 F) without significant degradation in microstructure. Bond strengths equal to 90 percent that of the base metal shear strength were achieved. The mechanical properties and microstructural characteristics of the alloys were investigated. Ting, E. Y. and Kennedy, J. R. ALUMINUM ALLOYS; DIFFUSION WELDING; DISPERSION STRENGTHENING; DISPERSIONS; FORMING TECHNIQUES; SOLIDIFICATION; SUPERPLASTIC FORMING; SUPERPLASTIC FORMING; SUPERPLASTICITY; DEGRADATION; ELONGATION; MECHANICAL PROPERTIES; MICROSTRUCTURE; SILICIDES; STRAIN RATE...
