Letteratura scientifica selezionata sul tema "Aluminum alloys"

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Articoli di riviste sul tema "Aluminum alloys"

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Kucharčík, L., M. Brůna e A. Sládek. "Influence of Chemical Composition on Porosity in Aluminium Alloys". Archives of Foundry Engineering 14, n. 2 (1 giugno 2014): 5–8. http://dx.doi.org/10.2478/afe-2014-0026.

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Abstract Porosity is one of the major defects in aluminum castings, which results is a decrease of a mechanical properties. Porosity in aluminum alloys is caused by solidification shrinkage and gas segregation. The final amount of porosity in aluminium castings is mostly influenced by several factors, as amount of hydrogen in molten aluminium alloy, cooling rate, melt temperature, mold material, or solidification interval. This article deals with effect of chemical composition on porosity in Al-Si aluminum alloys. For experiment was used Pure aluminum and four alloys: AlSi6Cu4, AlSi7Mg0, 3, AlSi9Cu1, AlSi10MgCu1.
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Han, Yu, Bao An Chen, Zhi Xiang Zhu, Dong Yu Liu e Yan Qiu Xia. "Effects of Zr on Microstructure and Conductivity of Er Containing Heat-Resistant Aluminum Alloy Used for Wires". Materials Science Forum 852 (aprile 2016): 205–10. http://dx.doi.org/10.4028/www.scientific.net/msf.852.205.

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It has particular heat-resistant property and conductivity of high-conductivity heat-resistant Aluminium alloys, which would be wildly applied in transmission and transformation flied. Al-Er-Zr alloys containing different content of Zr were prepared. The effect of Zr on microstructure of heat-resistance Aluminum alloy were studied by using of STEM, and thermodynamic behavior of Zr in Aluminium alloy was analyzed based on the theory of alloy phase formation. The results showed that the effect of Zr content on the grain size of heat-resistant aluminum alloy was remarkable, and the conductivity of heat-resistance Aluminum alloy was influenced.
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Edigarov, V. R. "Surface Friction-Electric Treatment of Aluminum Alloys". Proceedings of Higher Educational Institutions. Маchine Building, n. 10 (727) (novembre 2020): 47–53. http://dx.doi.org/10.18698/0536-1044-2020-10-47-53.

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This paper examines a combined friction-electric treatment of surface layers of machine parts made of aluminums alloys. The temperature released during the friction process is the main technological factor of the treatment, and the heat released during the passage of electric current through the local volume of friction-thermal action is an additional heat source. The paper presents the results of studying a surface modification method involving friction-electric treatment of aluminium alloys with reinforcement by aluminium oxide particles under varied technological conditions: density of electric current, pressing force of the tool, shape of the tool working zone and speed of treatment. A hard alloy tool with high temperature resistance was used as a tool for friction-electric treatment. The tool was installed in a mandrel of a special design allowing supply of a modifier representing a mixture of aluminum oxide particles with a surfactant to the treatment zone. Using the friction-electric treatment of the surface layer of samples with reinforcement by aluminum oxide particles it was possible to increase the surface hardness by about 30–40 % and thickness of the hardened layer by 3–5 times due to the local deformation and passage of electric current through the treatment zone, and to improve wear resistance of the surface layer.
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Zhou, Jia, Jun Ping Zhang e Ming Tu Ma. "Study on the Formability of Aluminium Alloy Sheets at Room and Elevated Temperatures". Materials Science Forum 877 (novembre 2016): 393–99. http://dx.doi.org/10.4028/www.scientific.net/msf.877.393.

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This paper presents the main achievements of a research project aimed at investigating the applicability of the hot stamping technology to non heat treatable aluminium alloys of the 5052 H32 and heat treatable aluminium alloys of the 6016 T4P after six months natural aging. The formability and mechanical properties of 5052 H32 and 6016 T4P aluminum alloy sheets after six months natural aging under different temperature conditions were studied, the processing characteristics and potential of the two aluminium alloy at room and elevated temperature were investigated. The results indicated that the 6016 aluminum alloy sheet exhibit better mechanical properties at room temperature. 5052 H32 aluminum alloy sheet shows better formability at elevated temperature, and it has higher potential to increase formability by raising the temperature.
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Mounika, G. "Closed Loop Reactive Power Compensation on a Single-Phase Transmission Line". International Journal for Research in Applied Science and Engineering Technology 9, n. VI (20 giugno 2021): 2156–59. http://dx.doi.org/10.22214/ijraset.2021.35489.

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Zinc-aluminium alloys are alloys whose main ingredients stay zinc and aluminium. Other alloying elements clasp magnesium and copper .Zinc Aluminum Alloys over the past decayed are occupying attention of both researches and industries as a promising material for tribological applications. At this moment commercially available Zinc-Aluminium alloys and bearing bronzes due to good cost ability and unique combination of properties. They can also be deliberated as competing material for cast iron, plastics and even for steels. It has been shown that the addition of alloying elements including copper, silicon, magnesium, manganese and nickel can improve the mechanical and tribological properties of zinc aluminum alloys. This alloy has still found limited applications encompassing high stress conditions due to its lower creep resistance, compared to traditional aluminum alloys and other structural materials. This has resulted in major loss of market potential for those alloy otherwise it is excellent material. The aim of this paper is to measure the coefficient of friction and wear under different operating conditions for material with silicon content. Then wear equation will be found out for all the materials experimented under various conditions. In this paper there is discussion of the effect of Silicon on tribological properties of aluminium based Zinc alloy by experiment as well as Ansys software based and compares the same.
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Fan, Yang Yang, e Makhlouf M. Makhlouf. "Castable Aluminium Alloys for High Temperature Applications". Materials Science Forum 765 (luglio 2013): 8–12. http://dx.doi.org/10.4028/www.scientific.net/msf.765.8.

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Most traditional aluminium casting alloys are based on the aluminium-silicon eutectic system because of its excellent casting characteristics. However, the solidus in this system does not exceed 577 °C and the major alloying elements used with silicon in these alloys have high diffusivity in aluminium. Therefore, while these elements enhance the room temperature strength of the alloy, they are not useful at elevated temperatures. Considering nickel-base superalloys, whose mechanical properties are retained up to temperatures that approach 75% of their melting point, it is conceivable that castable aluminium alloys can be developed on the same basis so that they are useful at temperatures approaching 300 °C. In this publication, we present the thought process behind developing a new castable aluminum alloy that is designed specifically for such high temperature applications and we present the alloy’s measured castability characteristics and its elevated temperature tensile properties.
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Bouzekova-Penkova, Anna, e Adelina Miteva. "Some Aerospace Applications of 7075 (B95) Aluminium Alloy". Aerospace Research in Bulgaria 34 (2022): 165–79. http://dx.doi.org/10.3897/arb.v34.e15.

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Nowadays, aluminium alloys are of growing interest to scientists and are widely used in aerospace and allied industries due to their inherent lightness, high strength to weight ratio, excellent thermal and electrical conductance, good reflectivity and low working cost. Among the conventional structural materials used in aerospace applications aluminium alloys are frontrunners. This is due to the ability of modern aluminium alloys to achieve unique combination of properties, through alloying and heat treatment, tailored to particular applications. Aluminum alloy 7075 (B95) is a high-strength alloy that works in extreme conditions and is used in modern construction of aircraft, spacecraft and satellites. In this mini-review, we will briefly focus on some of the existing and growing applications of some 7xxx aluminum alloys, in particular 7075 (B95), in the aerospace industry. Possible options for continuing work in this area are considered, and some Bulgarian developments are presented.
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Wongpreedee, Kageeporn, Panphot Ruethaitananon e Tawinun Isariyamateekun. "Interface Layers of Ag-Al Fusing Metals by Casting Processes". Advanced Materials Research 787 (settembre 2013): 341–45. http://dx.doi.org/10.4028/www.scientific.net/amr.787.341.

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The materials of fusing metals commercially used in the jewelry niche marketing is seen as precious metals. An innovation of fusing metals searched for new materials to differentiate from the markets for mass production. In this research, it studied the bonding processes of silver and aluminium metals by casting processes for mass productions. The studies had been varied parameters on the types of aluminium and process temperature controls. This research had used two types of aluminium which were pure aluminium 99.99% and aluminum 5083 alloys bonding with pure silver 99.99%. The temperatures had been specified for two factors including casting temperature at X1, X2 and flasking temperature at Y1, Y2. From the results, it was found that the casting temperature at 730°C and the flasking temperature at 230 °C of pure silver-aluminum 5083 alloys bonding had the thinnest average thickness of interface at 427.29 μm. The microstructure of pure silver-aluminum 5083 alloy bonding was revealed eutectic-like structures at the interfaces. The EDS analysis showed the results of compounds at interface layers of Ag sides giving Ag2Al intermetallics on pure silver-aluminum 5083 alloy bonding unlike pure silver-pure aluminium bonding giving Ag3Al intermetallics.
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Huang, Chuan Yong. "Electroless Ni-La-P Coatings on 2024 Aluminum Alloys for Aircraft Structure". Applied Mechanics and Materials 224 (novembre 2012): 348–51. http://dx.doi.org/10.4028/www.scientific.net/amm.224.348.

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2024 aluminium alloys are widely used in airframe construction.However,this series of alloys are susceptible to corrosion to limit their usefulness,In this study,electroless Ni-La-P alloy plating on aluminum alloy and the effects of pH value,temperature and concentration of LaNiO3 on deposition rate were investigated.Surface morphology and corosion-resistant of the electroless Ni-La-P deposits were evaluated.The results showed the corrosion-resistant in 5% NaC1 solutions obviously enhance compared with original aluminum alloy using electroless Ni-La-P deposition method.
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Yadwinder Pal Sharma e Pardeep Kumar. "Effect of Welding Parameters on The Properties of Aluminium Alloys 6063 and 6101 Welded with Friction Stir Welding". Asian Review of Mechanical Engineering 3, n. 2 (5 novembre 2014): 43–47. http://dx.doi.org/10.51983/arme-2014.3.2.2379.

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Friction stir welding (FSW) has got wide attraction in aerospace and automobile industries, as conventional fusion welding techniques are susceptible to various welding defects like cracks and porosity, Welding of aluminum alloys were also a matter of concern because of the thin oxide layer formation on the surface of alloys as this oxide layer tends to thicken at higher temperatures. Friction stir welding process shows several advantages to weld aluminum alloys. In the present research the optimization of the mechanical properties of welded joint of aluminum alloy of 6000 series are considered. This aluminium alloy series is used for architectural fabrication due to good surface finish, high corrosion resistance and good mechanical properties. The aluminium alloys 6063 and 6101 are successfully welded with friction stir welding technique. Two different rotation speeds of tool 1600 rpm and 1200 rpm and two different pin profiles tools square & hexagonal are selected for this work. From the results it is observed that the joint welded with hexagonal pin profile at 1200 rpm tool rotation speed gives superior mechanical properties.
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Tesi sul tema "Aluminum alloys"

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Nafisi, Shahrooz. "Effects of grain refining and modification on the microstructural evolution of semi-solid 356 alloy = Effets de l'affinage des grains et de la modification sur l'évolution microstructurale de l'alliage 356 semi-solide /". Thèse, Chicoutimi : Université du Québec à Chicoutimi, 2006. http://theses.uqac.ca.

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Ergin, Guvenc. "Étude de la mouillabilité des particules granulaires par les alliages d'aluminium durant la filtration d'aluminium /". Thèse, Chicoutimi : Université du Québec à Chicoutimi, 2006. http://theses.uqac.ca.

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Thèse (D.Eng.) -- Université du Québec à Chicoutimi, 2006.
La p. de t. porte en outre: Thèse présentée à l'Université du Québec à Chicoutimi pour l'obtention du doctorat en ingénierie. CaQCU Bibliogr.: f. 130-147. Document électronique également accessible en format PDF. CaQCU
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Saoudi, Abdelhamid. "Prédiction de la rupture par fatigue dans les pièces automobiles en alliages aluminium /". Thèse, Chicoutimi : Université du Québec à Chicoutimi, 2008. http://theses.uqac.ca.

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Thèse (D.Eng.) -- Université du Québec à Chicoutimi, 2008.
La p. de t. porte en outre: Doctorat en ingénierie, thèse pour l'obtention du titre de Philosophiae Doctor en ingénierie. CaQQUQ Comprend des réf. bibliogr. (f. 174-178). Publié aussi en version électronique. CaQQUQ
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Mohamed, Adel. "Effet des additifs sur la microstructure et les propriétés mécaniques des alliages d'aluminium-silicium /". Thèse, Chicoutimi : Université du Québec à Chicoutimi, 2008. http://theses.uqac.ca.

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Thèse (D.Eng..) -- Université du Québec à Chicoutimi, 2008.
La p. de t. porte en outre: Thèse présenté[e] à l'Université du Québec à Chicoutimi comme exigence partielle du doctorat en ingénierie. CaQQUQ Comprend des réf. bibliogr. (f. [292]-314). Publié aussi en version électronique. CaQQUQ
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El, Sebaie Ossama. "L'effet de l'addition du "mischmetal", du taux de refroidissement et du traitement thermique sur la microstructure et la dureté des alliages Al-Si de type 319, 356, et 413 = Effect of mischmetal, cooling rate and heat treatment on the microstructure and hardness of 319, 3456, and 413 Al-Si alloys /". Thèse, Chicoutimi : Université du Québec à Chicoutimi, 2006. http://theses.uqac.ca.

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Golbahar, Behnam. "Effect of grain refiner-modifier interaction on the performance of A356.2 alloy". Thèse, Chicoutimi : Université du Québec à Chicoutimi, 2008. http://theses.uqac.ca.

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Thèse (M.Eng.) -- Université du Québec à Chicoutimi, 2008.
La p. de t. porte en outre: Mémoire présenté à l'Université du Québec à Chicoutimi comme exigence partielle de la maîtrise en ingénierie. CaQQUQ Comprend des réf. bibliogr. (f. 149-155). Publié aussi en version électronique. CaQQUQ
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Yang, Deyu. "Rôle d'addition de magnésium sur l'occurence de la fonte naissante dans les alliages expérimentaux et commerciaux Al-Si-Cu et son influence sur la microstructure et les propriétés de traction de l'alliage = Role of magnesium addition on the occurence of incipient melting in experimental and commercial Al-Si-Cu alloys and its influence on the alloy microstructure and tensile properties /". Thèse, Chicoutimi : Université du Québec à Chicoutimi, 2006. http://theses.uqac.ca.

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Blanchette, Hugues. "Développement d'un système de contrôle de qualité pour les lopins d'aluminium semi-solide[s] obtenus avec le procédé SEED /". Thèse, Chicoutimi : Université du Québec à Chicoutimi, 2006. http://theses.uqac.ca.

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Lebeau, Thomas. "Wetting of alumina-based ceramics by aluminum alloys". Thesis, McGill University, 1993. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=68039.

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During the last 20 years, ceramic fiber reinforced metal matrix composites, referred to as MMCs, have provided a relatively new way of strengthening metals. High specific modulus and a good fatigue resistance in dynamic loading conditions or for high temperature applications make these composites very attractive for replacing classic alloys. The first requirement for the fabrication of MMCs, especially by processes involving liquid metals, is a certain degree of wetting of fibers by the liquid metal which will permit a good bonding between the two phases.
The conventional experimental approach to wettability consists of measuring the contact angle of a drop of the liquid metal resting on flat substrate of the ceramic reinforcement materials.
This work deals with the fabrication of eutectic $ rm ZrO sb2/Al sb2O sb3 (ZA), ZrO sb2/Al sb2O sb3/TiO sb2$ (ZAT), and $ rm ZrO sb2/Al sb2O sb3/SiO sb2$ (ZAS) ceramic substrates and the study of their wetting behavior by different classes of Al alloys. Wetting experiments were performed under high vacuum or under ultra high purity Ar atmosphere. Four major variables were tested to study the wetting behavior of the different ceramic/metal systems. Variables include holding time, melt temperature, alloy and ceramic compositions.
Ceramic materials were sintered under vacuum at temperatures ranging from 1500$ sp circ$C to 1790$ sp circ$C for 2.5 hours, and achieved over 96% of the theoretical density. An experimental set-up was designed to measure in-situ contact angles using the sessile drop method. For any ceramic substrate, a temperature over 950$ sp circ$C was necessary to observe an equilibrium wetting angle less than 90$ sp circ$ with pure Al; by alloying the aluminum, wetting could be observed at lower temperatures ($ theta$ = 76-86$ sp circ$ at 900$ sp circ$C for Al-10wt%Si, $ theta sim72 sp circ$ at 850$ sp circ$C for Al-2.4wt%Mg). Finally, ZAS specimens reacted with molten Al alloys over 900$ sp circ$C to produce Zr-Al based intermetallics at the metal/ceramic interface.
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Ammar, Hany. "Effet des imperfections de la coulée sur les propriétés en fatigue des alliages de fonderie aluminium silicium = Effect of casting imperfections on the fatigue properties of aluminum-silicon casting alloys /". Thèse, Chicoutimi : Université du Québec à Chicoutimi, 2006. http://theses.uqac.ca.

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Libri sul tema "Aluminum alloys"

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J. R. Davis & Associates. e ASM International. Handbook Committee., a cura di. Aluminum and aluminum alloys. Materials Park, OH: ASM International, 1993.

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Grushko, Olga, Boris Ovsyannikov e Viktor Ovchinnokov. Aluminum-Lithium Alloys. Boca Raton : Taylor & Francis, CRC Press, 2017. | Series:: CRC Press, 2016. http://dx.doi.org/10.1201/9781315369525.

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A, Belov N., e Glazoff Michael V, a cura di. Casting aluminum alloys. Amsterdam: Elsevier Science, 2007.

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Society, American Foundry, a cura di. Casting defects handbook: Aluminum & aluminum alloys. Schaumburg, IL: American Foundry Society, 2010.

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International Aluminum-Lithium Conference (3rd 1985 University of Oxford). Aluminium-lithium alloys III: Proceedings of the Third International Aluminium-Lithium Conference. London: The Institute, 1986.

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1938-, Baker C., e Institute of Metals, a cura di. Aluminium-Lithium alloys III: Proceedings of the third International Aluminium-Lithium Conference sponsored and organized by the Institute of Metals, University of Oxford, 8-11 July 1985. London: The Institute, 1986.

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Kiefer, Max. Arkansas Aluminum Alloys, Inc. [Atlanta, Ga.?]: U.S. Dept. of Health and Human Services, Public Health Service, Centers for Disease Control and Prevention, National Institute for Occupational Safety and Health, 1995.

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Kiefer, Max. Arkansas Aluminum Alloys, Inc. [Atlanta, Ga.?]: U.S. Dept. of Health and Human Services, Public Health Service, Centers for Disease Control and Prevention, National Institute for Occupational Safety and Health, 1995.

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Kiefer, Max. Arkansas Aluminum Alloys, Inc. [Atlanta, Ga.?]: U.S. Dept. of Health and Human Services, Public Health Service, Centers for Disease Control and Prevention, National Institute for Occupational Safety and Health, 1995.

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King, Frank. Aluminium and its alloys. Chichester [West Sussex]: Ellis Horwood, 1987.

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Capitoli di libri sul tema "Aluminum alloys"

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Kaufman, J. G. "Aluminum Alloys". In Mechanical Engineers' Handbook, 59–116. Hoboken, NJ, USA: John Wiley & Sons, Inc., 2006. http://dx.doi.org/10.1002/0471777447.ch3.

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von Hehl, Axel, e Peter Krug. "Aluminum and Aluminum Alloys". In Structural Materials and Processes in Transportation, 49–112. Weinheim, Germany: Wiley-VCH Verlag GmbH & Co. KGaA, 2013. http://dx.doi.org/10.1002/9783527649846.ch2.

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Ghali, E. "Aluminum and Aluminum Alloys". In Uhlig's Corrosion Handbook, 715–45. Hoboken, NJ, USA: John Wiley & Sons, Inc., 2011. http://dx.doi.org/10.1002/9780470872864.ch54.

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Kammer, Catrin. "Aluminum and Aluminum Alloys". In Springer Handbook of Materials Data, 161–97. Cham: Springer International Publishing, 2018. http://dx.doi.org/10.1007/978-3-319-69743-7_6.

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Kobayashi, Toshiro. "Wrought Aluminum Alloys". In Strength and Toughness of Materials, 111–40. Tokyo: Springer Japan, 2004. http://dx.doi.org/10.1007/978-4-431-53973-5_6.

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Kobayashi, Toshiro. "Cast Aluminum Alloys". In Strength and Toughness of Materials, 141–61. Tokyo: Springer Japan, 2004. http://dx.doi.org/10.1007/978-4-431-53973-5_7.

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"Aluminum Casting Alloys". In Aluminum Alloy Castings, 7–20. ASM International, 2004. http://dx.doi.org/10.31399/asm.tb.aacppa.t51140007.

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Abstract Aluminum casting alloy compositions parallel those of wrought alloys in many respects. However, because work hardening plays no significant role in the development of casting properties, the use and purposes of some alloying elements differ in casting alloys versus wrought alloys. This chapter provides information on specifications and widely used designation systems and alloy nomenclature for aluminum casting alloys. It describes the composition of seven basic families of aluminum casting alloys: aluminum-copper, aluminum-silicon-copper, aluminum-silicon, aluminum-silicon-magnesium, aluminum-magnesium, aluminum-zinc-magnesium, and aluminum-tin. The chapter discusses the effects of alloying elements on the properties of cast aluminum. It provides information on various alloys that are grouped with respect to their applications or major performance characteristics.
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Rumsey, Ann, e Muhammad Jahan. "Micromachining of Aluminum Alloys". In Encyclopedia of Aluminum and Its Alloys. Boca Raton: CRC Press, 2019. http://dx.doi.org/10.1201/9781351045636-140000175.

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This article provides a comprehensive overview of the machining of aluminum alloys, composites, and ceramics at micro scale. All major aspects of the micromachining of aluminum alloys including process descriptions, key research findings, applications, major challenges, and guidelines for future research have been covered in this article. Based on the literature, conventional micromachining processes, such as turning, milling, grinding, and drilling, have been found to be suitable for machining most of the cast and wrought aluminum alloys. On the other hand, nonconventional micromachining processes were approached for the micromachining of aluminum metal matrix composites and alumina ceramics. Some challenges and aspects in the area of micromachining of aluminum alloys that need future considerations are burr formation, tool wear, surface finish, microstructures and properties changes, and process development for advanced and hybrid micromachining.
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Starke, E. A., e H. M. M. A. Rashed. "Alloys: Aluminum". In Reference Module in Materials Science and Materials Engineering. Elsevier, 2017. http://dx.doi.org/10.1016/b978-0-12-803581-8.09210-9.

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Starke, E. A. "Alloys: Aluminum". In Encyclopedia of Condensed Matter Physics, 18–24. Elsevier, 2005. http://dx.doi.org/10.1016/b0-12-369401-9/00534-9.

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Atti di convegni sul tema "Aluminum alloys"

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Norris, Joseph C. "Brush Hard Coating Aluminum and Aluminum Alloys". In Airframe Finishing, Maintenance & Repair Conference & Exposition. 400 Commonwealth Drive, Warrendale, PA, United States: SAE International, 1990. http://dx.doi.org/10.4271/900967.

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Kweitsu, Eric Kojo, Dilip Kumar Sarkar e X. Grant Chen. "A Short Review on Superplasticity of Aluminum Alloys". In International Aluminium Conference. Basel Switzerland: MDPI, 2023. http://dx.doi.org/10.3390/engproc2023043043.

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Shareef, Iqbal, Manikandan Natarajan e Oyelayo O. Ajayi. "Dry Machinability of Aluminum Alloys". In World Tribology Congress III. ASMEDC, 2005. http://dx.doi.org/10.1115/wtc2005-64098.

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Adverse effects of the use of cutting fluids and environmental concerns with regard to cutting fluid disposability is compelling industry to adopt Dry or near Dry Machining, with the aim of eliminating or significantly reducing the use of metal working fluids. Pending EPA regulations on metal cutting, dry machining is becoming a hot topic of research and investigation both in industry and federal research labs. Although the need for dry machining may be apparent, most of the manufacturers still consider dry machining to be impractical and even if possible, very expensive. This perception is mainly due to lack of appropriate cutting tools that can withstand intense heat and Built-up-Edge (BUE) formation during dry machining. The challenge of heat dissipation without coolant requires a completely different approach to tooling. Special tooling utilizing high-performance multi-layer, multi-component, heat resisting, low friction coatings could be a plausible answer to the challenge of dry machining. In pursuit of this goal Argonne National Labs has introduced Nano-crystalline near frictionless carbon (NFC) diamond like coatings (DLC), while industrial efforts have led to the introduction of composite coatings such as titanium aluminum nitride (TiAlN), tungsten carbide/carbon (WC/C) and others. Although, these coatings are considered to be very promising, they have not been tested either from tribological or from dry machining applications point of view. As such a research program in partnership with federal labs and industrial sponsors has started with the goal of exploring the feasibility of dry machining using the newly developed coatings such as Near Frictionless Carbon Coatings (NFC), Titanium Aluminum Nitride (TiAlN), and multi-layer multicomponent nano coatings such as TiAlCrYN and TiAlN/YN. Although various coatings are under investigation as part of the overall dry machinability program, this extended abstract deals with a systematic investigation of dry machinability of Aluminum 6061 and 2024 using uncoated carbide, TiN coated carbide, and TiAlN coated carbide inserts. Central Composite Design (CCD) is used to study the effect of speed, feed, depth of cut, workpiece material, and cutting tool material on the resulting forces, surface finish, temperature, chip morphology and tool wear. Each of the machining responses is measured and compared under 15 different machining conditions. Results from CCD experiments have been used to develop linear and logarithmic models for forces (Fx, Fy, Fz, & Fr) surface finish (Ra), and temperature. Furthermore, chip morphology and tool wear have also been compared. From the comparison of forces, surface finish, temperature, chip morphology, tool wear and the corresponding statistical models, it is clear that in general TiAlN results in lower forces, better surface finish, greater fragmented chips, and lesser tool wear.
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Leong, Keng H., Kenneth R. Sabo, Paul G. Sanders e Walter J. Spawr. "Laser welding of aluminum alloys". In Photonics West '97, a cura di Leonard R. Migliore e Ronald D. Schaeffer. SPIE, 1997. http://dx.doi.org/10.1117/12.270039.

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5

Wang, Y., e P. K. Mallick. "Dynamic Denting Study of Aluminum Alloys". In SAE 2004 World Congress & Exhibition. 400 Commonwealth Drive, Warrendale, PA, United States: SAE International, 2004. http://dx.doi.org/10.4271/2004-01-0183.

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6

Echempati, Raghu, e V. M. S. Sathya Dev. "Spring Back Studies in Aluminum Alloys". In SAE 2002 World Congress & Exhibition. 400 Commonwealth Drive, Warrendale, PA, United States: SAE International, 2002. http://dx.doi.org/10.4271/2002-01-1057.

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7

Basovich, Vladimir S., Mikhail Y. Gelfgat, Dmitry Basovich, Ilya N. Buyanovskiy, Alexey Vladimirovich Vakhrushev, Rudolf S. Alikin, Vladimir V. Sledkov, D. S. Loparev e Vitaly V. Sapunzhi. "Aluminum Alloys for Casing and Tubing". In International Petroleum Technology Conference. International Petroleum Technology Conference, 2011. http://dx.doi.org/10.2523/14888-ms.

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8

Basovich, Vladimir S., Mikhail Y. Gelfgat, Dmitry Basovich, Ilya N. Buyanovskiy, Alexey Vladimirovich Vakhrushev, Rudolf S. Alikin, Vladimir V. Sledkov, D. S. Loparev e Vitaly V. Sapunzhi. "Aluminum Alloys for Casing and Tubing". In International Petroleum Technology Conference. International Petroleum Technology Conference, 2011. http://dx.doi.org/10.2523/iptc-14888-ms.

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9

Sakamoto, H., K. Shibata e F. Dausinger. "Laser welding of different aluminum alloys". In ICALEO® ‘92: Proceedings of the Laser Materials Processing Symposium. Laser Institute of America, 1992. http://dx.doi.org/10.2351/1.5058523.

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10

Xu, Guoliang, Zhaogu Cheng, Jin'an Xia, Xianqin Li e Jinbo Jiang. "Laser keyhole welding on aluminum alloys". In Advanced High-Power Lasers and Applications, a cura di Xiangli Chen, Tomoo Fujioka e Akira Matsunawa. SPIE, 2000. http://dx.doi.org/10.1117/12.377081.

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Rapporti di organizzazioni sul tema "Aluminum alloys"

1

Purtscher, P. T., M. Austin, S. Kim e D. Rule. Aluminum-lithium alloys :. Gaithersburg, MD: National Institute of Standards and Technology, 1992. http://dx.doi.org/10.6028/nist.ir.3986.

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2

Sikka, V. K., G. M. Goodwin e D. J. Alexander. Low-aluminum content iron-aluminum alloys. Office of Scientific and Technical Information (OSTI), giugno 1995. http://dx.doi.org/10.2172/115407.

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3

Nieh, T. G. Superplasticity in aluminum alloys. Office of Scientific and Technical Information (OSTI), dicembre 1997. http://dx.doi.org/10.2172/574532.

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4

Peacock, H., e R. Frontroth. Properties of aluminum-uranium alloys. Office of Scientific and Technical Information (OSTI), agosto 1989. http://dx.doi.org/10.2172/5462232.

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5

Davenport, J. W., N. Chetty, R. B. Marr, S. Narasimhan, J. E. Pasciak, R. F. Peierls e M. Weinert. First principles pseudopotential calculations on aluminum and aluminum alloys. Office of Scientific and Technical Information (OSTI), dicembre 1993. http://dx.doi.org/10.2172/10112660.

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6

Sunwoo, A. J. Diffusion bonding of superplastic aluminum alloys. Office of Scientific and Technical Information (OSTI), dicembre 1993. http://dx.doi.org/10.2172/10144113.

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7

Lee, E. U., R. Taylor, C. Lei, B. Pregger e E. Lipnickas. Stress Corrosion Cracking of Aluminum Alloys. Fort Belvoir, VA: Defense Technical Information Center, settembre 2012. http://dx.doi.org/10.21236/ada568598.

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8

Reed, R. P., P. T. Purtscher, N. J. Simon, J. D. McColskey, R. P. Walsh, J. R. Berger, E. S. Drexler e R. L. Santoyo. Aluminum alloys for ALS cryogenic tanks :. Gaithersburg, MD: National Institute of Standards and Technology, 1993. http://dx.doi.org/10.6028/nist.ir.3979.

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9

Dove, Michael F., Norman Logan e Jeremy P. Mauger. Corrosion of Aluminum Alloys by IRFNA. Fort Belvoir, VA: Defense Technical Information Center, febbraio 1990. http://dx.doi.org/10.21236/ada223011.

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10

Ків, Арнольд Юхимович, D. Fuks, Наталя Володимирівна Моісеєнко e Володимир Миколайович Соловйов. Silicon-aluminum bonding in Al alloys. Transport and Telecommunication Institute, 2002. http://dx.doi.org/10.31812/0564/1033.

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Abstract (sommario):
Ab initio calculation was performed to investigate the nature of Si-Al bonding in Al based alloys. Total electronic energy Etot for different configurations of the model cluster Si2Al6 was calculated. When the model cluster consists of two perfect tetrahedrons there is a strong influence of the Si-Si distance on the Si-Al adiabatic potential. The equilibrium distance between Si and Al atoms increases with the length of Si-Si bond increasing. It was concluded that description of Si clusters in Al matrix demands an account of the angle depending part of Si-Al interaction.
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