Relevant bibliographies by topics / Aluminium alloy 2618

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  1. Journal articles
  2. Dissertations / Theses
  3. Books
  4. Book chapters
  5. Conference papers

Academic literature on the topic 'Aluminium alloy 2618'

Author: Grafiati
Published: 4 June 2021
Last updated: 14 February 2022

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Journal articles on the topic "Aluminium alloy 2618"

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Spigarelli, S., F. Bardi, and E. Evangelista. "Hot Workability of the 2618 Aluminium Alloy." Materials Science Forum 331-337 (May 2000): 449–54. http://dx.doi.org/10.4028/www.scientific.net/msf.331-337.449.

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Sauerborn, M., and H. J. McQueen. "Modelling extrusion of 2618 aluminium alloy and 2618-1 10%AI203and 2618-20%AI203composites." Materials Science and Technology 14, no. 9-10 (September 1998): 1029–38. http://dx.doi.org/10.1179/mst.1998.14.9-10.1029.

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Cavaliere, P. "Hot and warm forming of 2618 aluminium alloy." Journal of Light Metals 2, no. 4 (November 2002): 247–52. http://dx.doi.org/10.1016/s1471-5317(03)00008-7.

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Nový, František, Miloš Janeček, Robert Král, and Branislav Hadzima. "Microstructure evolution in a 2618 aluminium alloy during creep-fatigue tests." International Journal of Materials Research 103, no. 6 (June 2012): 688–93. http://dx.doi.org/10.3139/146.110679.

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Nový, F., M. Janeček, and R. Král. "Microstructure changes in a 2618 aluminium alloy during ageing and creep." Journal of Alloys and Compounds 487, no. 1-2 (November 2009): 146–51. http://dx.doi.org/10.1016/j.jallcom.2009.08.014.

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Oguocha, I. N. A., and S. Yannacopoulos. "Natural ageing behaviour of cast alumina particle-reinforced 2618 aluminium alloy." Journal of Materials Science 31, no. 12 (June 1996): 3145–51. http://dx.doi.org/10.1007/bf00354660.

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Belelli, Filippo, Riccardo Casati, Martina Riccio, Alessandro Rizzi, Mevlüt Y. Kayacan, and Maurizio Vedani. "Development of a Novel High-Temperature Al Alloy for Laser Powder Bed Fusion." Metals 11, no. 1 (December 26, 2020): 35. http://dx.doi.org/10.3390/met11010035.

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The number of available materials for Laser Powder Bed Fusion is still limited due to the poor processability of many standard alloys. In particular, the lack of high-strength aluminium alloys, widely used in aerospace and automotive industries, remains a big issue for the spread of beam-based additive manufacturing technologies. In this study, a novel high-strength aluminium alloy for high temperature applications having good processability was developed. The design of the alloy was done based on the chemical composition of the widely used EN AW 2618. This Al-Cu-Mg-Ni-Fe alloy was modified with Ti and B in order to promote the formation of TiB2 nuclei in the liquid phase able to stimulate heterogeneous nucleation of grains and to decrease the hot cracking susceptibility of the material. The new Al alloy was manufactured by gas atomisation and processed by Laser Powder Bed Fusion. Samples produced with optimised parameters featured relative density of 99.91%, with no solidification cracks within their microstructure. After aging, the material revealed upper yield strength and ultimate tensile strength of 495 MPa and 460 MPa, respectively. In addition, the alloy showed tensile strength higher than wrought EN AW 2618 at elevated temperatures.
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Subawi, Handoko, and Sutarno. "The Phenomenon of Pitting Corrosion Attack on the Milled Aluminium Alloy Al 2618 Plate during Surface Preparation through Sulphuric Acid Anodising." Advanced Materials Research 896 (February 2014): 596–99. http://dx.doi.org/10.4028/www.scientific.net/amr.896.596.

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This study purposed to investigate corrosion characteristic on aluminium alloy by considering parameters that involved metal preparation, different surface treatment, and alloy types. Through series of the salt spray test, the rolled aluminium sheet revealed higher resistance to surface corrosion rather than milled aluminium plate. However trace elements, as reinforced filler in the metal alloy, may contribute to possible pitting corrosion. By employing sulphuric acid anodising, it revealed higher probability of pitting corrosion to attack the milled aluminium plate surface compared to rolled aluminium sheet. The surface pitting corrosion on the anodised aluminium alloy Al 2618 plate was observed through enlargement of pitting diameter and additional new pitting holes during 500 hours corrosion test. The corrosion propagation grew sharply during 500 hours test and it increased slowly after 750 hours. This study did not evaluate further variables either alloy composition, metal processing, or operation condition in anodising process.
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Tjong, S. C., and Z. Y. Ma. "Steady state creep deformation behaviour of SiC particle reinforced 2618 aluminium alloy based composites." Materials Science and Technology 15, no. 4 (April 1999): 429–36. http://dx.doi.org/10.1179/026708399101505897.

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Pantělejev, Libor, Daniel Koutný, David Paloušek, and Jozef Kaiser. "Mechanical and Microstructural Properties of 2618 Al-Alloy Processed by SLM Remelting Strategy." Materials Science Forum 891 (March 2017): 343–49. http://dx.doi.org/10.4028/www.scientific.net/msf.891.343.

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Paper deals with the comparison of mechanical properties and microstructure of aluminium alloy 2618 fabricated by Selective Laser Melting (SLM) and material of the same grade manufactured by standard extrusion process. The SLM specimens were fabricated with different processing strategies (meander and remelting). Presence of cracks was found in both cases of used strategies, but in case of meander strategy, crack are of shorter character and distributed rather within individual welds. In case of remelting strategy, cracks are oriented mostly parallel to building direction and transcend fusion boundaries (FB) across several layers. It was found that defects present in microstructure of SLM material significantly affect its mechanical properties. Ultimate tensile strength (UTS) for extruded material reached 392 MPa, while for SLM material produced with meander strategy UTS was 273 MPa and for remelting strategy it was 24 MPa only.
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Dissertations / Theses on the topic "Aluminium alloy 2618"

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Zamarripa, Adrian Salas. "Fatigue behaviour of a 2618-T6 aluminium alloy used in turbocharger compressor wheels." Thesis, University of Sheffield, 2008. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.500233.

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The function of the compressor wheel in a turbocharger is to compress the air drawn by the turbine. During this process the wheel reaches temperatures up to 230°C. Aluminium alloys have been developed to withstand both the elevated temperatures and the cyclic loading that the wheel experiences during its working life. The 2618-T6 aluminium alloy is used due to its good combination of price, mechanical properties and suitability at temperatures up to 300°C. However, the manufacturer found during inspections of catastrophic failed wheels a considerable contribution of "intergranular" fracture (fracture along grain boundaries). This mode of failure could be the result of a complex combination of factors, such as a creep mechanism operating at high temperature, and/or the effect of microstructural features such as second phase particles, quenched induced intergranular and transgranular preCipitates, and precipitate free-zones located along grain boundaries. A quantitative metallography analysis was made within the compressor wheel net-shape to understand the influence of the process on the grain size and the distribution of second phase particles. It was found that the grain size is smaller in the sections where the wheel tends to fail, and that the percentage of second phase particles bigger than 5~lm is less than 10% in the same zones. Fatigue tests at both room and elevated temperature (230°C) were carried out to understand the fatigue behaviour of the material under such conditions. It was found that "intergranular" failure does not depend on temperature. A new methodology was developed during this research to quantify the percentage of "intergranular" failure (flat areas) on the fracture surfaces. The methodology is a combination of stereo-photogrammetry and image analysis. Stereo-pairs were randomly taken along the crack paths and were analysed using the MeX software. Results showed a higher contribution of flat areas at room temperature than at 230°C. The mechanisms which could promote this "intergranular" fracture were discussed by means of extensive literature review and observations during this research. The effect of these areas on the fatigue life was explored using a model based on a modification of the Paris law. The main idea of this model was to consider the material as the mixture of two phases associated with the two modes of failure observed on the fracture surfaces. The properties of a softer material were selected to simulate the "intergranular" (flat areas) behaviour. The model gave a good prediction of both the fatigue lives measured during this research and the fatigue lives provided by Cummins Turbo Technologies. Results from the model showed that the fatigue life is overestimated by a factor 10 if the presence of the flat areas is not accounted for.
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Dokoupil, Filip. "Zpracování slitiny 2618 pomocí technologie selective laser melting." Master's thesis, Vysoké učení technické v Brně. Fakulta strojního inženýrství, 2015. http://www.nusl.cz/ntk/nusl-231934.

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This diploma thesis deals with finding and verification of appropriate technological parameters of SLM technology for the processing of aluminum alloy 2618. In the theoretical part, an introduction to additive manufacturing of aluminum alloys and general description of processes occurring during SLM production is given. Based on general knowledge were designed different types of testing samples produced by sintering the metallurgical powder using 400 W ytterbium fiber laser, which so far in the literature for aluminum alloy 2618 were not described. As the result, the technological parameters dependence on relative density and the detailed overview of the 2618 alloy processing by SLM technology is determined.
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O'Dwyer, John Gerard. "Creep performance of SiCp reinforced aluminium alloy 2618A." Thesis, Imperial College London, 1999. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.313719.

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Oguocha, Ikechukwuka N. A. "Characterization of aluminum alloy 2618 and its composites containing alumina particles." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1999. http://www.collectionscanada.ca/obj/s4/f2/dsk1/tape8/PQDD_0021/NQ37903.pdf.

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Theron, Maritha. "Quenching and tempering effects on Rheo-cast F357 aluminium alloy during Nd: YAG laser welding." Master's thesis, University of Cape Town, 2010. http://hdl.handle.net/11427/26148.

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Al-Si-Mg casting alloys are being used in automotive applications, aerospace applications and other applications requiring heat-treatable permanent mould castings that combine good weldability with high strength and toughness (ASM). These casting alloys are also known for their excellent castability, corrosion resistance and, in particular, .a range of mechanical properties in the heattreated condition. A357 aluminum alloy has been extensively used for semi-solid processing for more than three decades, and a large amount of components like fuel rails, engine mounts, engine brackets and suspension parts have been produced. This alloy is also included in the Statement for Work between the Council for Scientific and Industrial Research (CSIR) and Boeing Co, USA. F357, a hypo-eutectic aluminium alloy, Al-7%Si-0.6%Mg without beryllium, was processed with CSIR-Rheo technology to the Semi-Solid Metal (SSM) state and cast in plates with a 50 Ton High Pressure Die Casting machine. The castings were either left in the as-cast (F) condition or subjected to T4, T4+ or T6 heat treatments prior to laser welding. Welding of aluminium alloys poses many problems like porosity, loss of alloying elements, poor bead geometry and softening of the heat affected zone. Laser welding is however widely used in industrial production owing to the advantages such as low heat input, high welding speed and high production rate. Due to these unique advantages, the potential of autogenous Nd: Y AG laser welding as manufacturing process for this cast aluminium alloy was evaluated. A welding operating window was established and the optimum parameters were found to be a laser power of 3.8 kW at the workpiece and a welding speed of 4 m/min with a twin spot laser light configuration. These laser welding parameters were applied for the welding of the heat treated plates and resulted in very low weld joint porosity and almost no loss of alloying elements. The mechanical properties of age-hardenable Al-Si-Mg alloys are dependent on the rate at which the alloy is cooled after the solution heat treatment Because of the high cooling rate during laser welding, the possibility of producing weld seams through deep penetration laser welding, with mechanical properties matching those of the T6 temper condition, but without a post-weld solid solution heat treatment, was investigated. The quench rate after laser welding was measured and compared well with that measured after solution treatment. The resulting mechanical properties of F357 aluminium welded in the T4 condition and only artificially aged after welding (T4+ condition), compares very well with the T6 base material properties. The strengthening mechanisms obtained during laser welding and the different heat treatments were studied by means of transmission electron microscopy (TEM) and are consistent with the expected precipitation hardening processes in Al-Si-Mg alloys. The quench sensitivity of SSM F357 aluminium alloy is thus sufficiently low to obtain such an increase in strength values during laser welding, that no postweld solution heat treatment is necessary to achieve mechanical properties to the T6 performance specification.
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Arcari, Attilio. "Enhanced strain-based fatigue methodology for high strength aluminum alloys." Diss., Virginia Tech, 2010. http://hdl.handle.net/10919/26178.

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The design of any mechanical components requires an understanding of the general statical, dynamical and environmental conditions where the components will be operating to give a satisfactory results in terms of performance and endurance. The premature failure of any components is undesirable and potentially catastrophic, therefore predictions on performances and endurances of components to proceed with repair or substitution is vital to the stability of the structure where the component is inserted. The capability of a component of withstanding fatigue loading conditions during service is called fatigue life and the designed predictions can be conservative or non conservative. Improvements to a strain based approach to fatigue were obtained in this study, studying the effects of mean stresses on fatigue life and investigating cyclic mean stress relaxation of two aluminum alloys, 7075-T6511 and 7249-T76511, used in structural aircraft applications. The two aluminum alloys were tested and their fatigue behavior characterized. The project, entirely funded by NAVAIR, Naval Air Systems Command, and jointly coordinated with TDA, Technical Data Analysis Inc., was aimed to obtain fatigue data for both aluminum alloys, with particular interest in 7249 alloy because of its enhanced corrosion resistance, and to give guidelines for improving the performances of FAMS, Fatigue Analysis of Metallic Structures, a life prediction software from the point of view of both mean stress effects and mean stress relaxation. The sensitivity of engineering materials to mean stresses is of high relevance in a strain based fatigue approach. The performance of the most common models used to calculate mean stress correction factors was studied for the two aluminum alloys 7075 and 7249 to give guidelines in the use of those for life predictions. Not only mean stresses have a high influence on fatigue life, but they are also subjected to transient cyclic behaviors. The following study considered both an empirical approach and a plasticity theory approach to simulate and include these transient effects in life calculations. Results will give valid directions to a successful modification of FAMS like any other life calculation software to include in the picture transient phenomena.
Ph. D.
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Li, Xiao 1963. "The effects of thermal processing on the mechanical properties of AA2024, 2014 and 2618 aluminum alloys." Thesis, 1993. http://hdl.handle.net/1957/37053.

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This study determined the independent effects of various homogenization cycles and precipitation treatments on the elevated temperature workability and the final ambient temperature mechanical properties of AA2024 aluminum alloy and on the T3 tensile properties of 2014 aluminum alloy as well as T6 tensile properties of 2618 and 2618 (Curich) aluminum alloys. The elevated-temperature tensile and extrusion tests indicate that the workability of AA2024 alloy improves with elevated-temperature precipitation treatment as suggested by earlier investigations. The precipitation treatments do not appear to degrade the ambient-temperature T3 and T8 tensile properties. The time at the precipitation temperature appears to affect the T3 and T8 tensile properties in unextruded ingot, longer times especially providing both relatively high ambient-temperature strength and ductility of AA2024 alloy. The time at the standard homogenization temperature and the heat-up and cool-down rates do not dramatically affect the T3 tensile properties of unextruded ingot of AA2024 and 2014 alloys. However, long soak times at the homogenization temperature and more rapid cooling rates may improve the properties somewhat of AA2024 alloy and longer heat-up times and rapid cooling rates may slightly improve the properties of 2014 alloy. The higher standard solution temperature appears to increase both strength and ductility of 2014 alloy over lower temperatures. The homogenization temperature affects the T6 tensile properties of 2618 and 2618 (Cu-rich) alloys, a high homogenization temperature (compare to standard homogenization temperature) providing both high strength and ductility. Increased manganese and copper appears to increase the strength, but slightly decreases the ductility. The standard aging temperature and time produce higher strength but lower the ductility than lower temperatures at the same or shorter aging times in 2618 (Cu-rich) alloy.
Graduation date: 1993
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Books on the topic "Aluminium alloy 2618"

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Li, Xiao. The effects of thermal processing on the mechanical properties of AA2024, 2014 and 2618 aluminum alloys. 1993.

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Book chapters on the topic "Aluminium alloy 2618"

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Bardi, F., M. Cabibbo, Cavaliere, E. Evangelista, and S. Spigarelli. "Study of the Hot- and Warm Workability of the 2618 Aluminium Alloy." In Materials for Transportation Technology, 277–82. Weinheim, FRG: Wiley-VCH Verlag GmbH & Co. KGaA, 2005. http://dx.doi.org/10.1002/3527606025.ch43.

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Salas-Zamarripa, A., C. Pinna, M. W. Brown, M. P. Guerrero-Mata, M. Castillo Morales, and D. F. Ledezma-Ramírez. "Fatigue Life Prediction in Aluminum Alloy 2618-T6 Using a Paris Law Modification." In Fatigue of Materials III Advances and Emergences in Understanding, 239–50. Hoboken, NJ, USA: John Wiley & Sons, Inc., 2014. http://dx.doi.org/10.1002/9781119041498.ch17.

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Salas-Zamarripa, A., C. Pinna, M. W. Brown, M. P. Guerrero-Mata, M. Castillo Morales, and D. F. Ledezma-Ramírez. "Fatigue Life Prediction in Aluminum Alloy 2618-T6 Using a Paris Law Modification." In Fatigue of Materials III, 239–50. Cham: Springer International Publishing, 2014. http://dx.doi.org/10.1007/978-3-319-48240-8_17.

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"2618 and 2618A." In Properties and Selection of Aluminum Alloys, 328–29. ASM International, 2019. http://dx.doi.org/10.31399/asm.hb.v02b.a0006616.

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Conference papers on the topic "Aluminium alloy 2618"

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Kuwayama, Kazuya, Motoo Asakawa, Takao Okada, Toshiya Nakamura, Shigeru Machida, and Shinya Fujita. "Fatigue Crack Propagation Property of Friction Stir Welded 2024-T3 Aluminum Alloy." In 50th AIAA/ASME/ASCE/AHS/ASC Structures, Structural Dynamics, and Materials Conference. Reston, Virigina: American Institute of Aeronautics and Astronautics, 2009. http://dx.doi.org/10.2514/6.2009-2619.

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Zhai, Ximei, Hai Wu, and Lijuan Sun. "Stability Strength of Aluminum Alloy Columns under Concentric Compression." In 10th International Conference on Advances in Steel Concrete Composite and Hybrid Structures. Singapore: Research Publishing Services, 2012. http://dx.doi.org/10.3850/978-981-07-2615-7_340.

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Makarenko, Igor, Bernhard Lehmayr, Mathias Bogner, Michael Klaus, and Robert F. Singer. "Thermomechanical Behaviour of Turbocharger Compressor Wheels." In ASME Turbo Expo 2012: Turbine Technical Conference and Exposition. American Society of Mechanical Engineers, 2012. http://dx.doi.org/10.1115/gt2012-69041.

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Compressor wheels on exhaust turbochargers in car and truck applications are highly stressed components. During the development of new compressor wheels the main focus is to design reliable parts with a reasonable lifetime as well as good efficiencies and low inertia providing improved engine efficiency and better dynamic engine performance. In order to fulfill the exceptional requirements on the thermodynamic characteristics of the turbocharger the material of the compressor wheel underlies high mechanical and thermal loads. Centrifugal compressor wheels made of an Al-Cu-Mg precipitation hardened wrought alloy (2618-T6) experience low cycle fatigue loading which results from centrifugal forces and temperature loadings. The development of compressor wheels requires exact methods to predict the mechanical and thermal loads and their influence on the highly stressed regions of the product. The assessment of relevant loadings from static FEA calculations is deficient. Alternatively a constitutive material model for the used aluminum alloy is implemented in FEA simulations. The constitutive material model of Chaboche type with modifications proposed by Jiang makes it possible to describe the time and temperature dependent deformation behavior of the whole compressor wheel. Especially the effects of cyclic plasticity including relaxation and creep can be considered consistently. Boundary conditions on the compressor wheel including wall heat transfer coefficients and wall adjacent temperatures are provided by static heat transfer calculations. The boundary conditions are necessary for transient heat transfer calculations in FEA. In this paper the temperature distribution on the centrifugal compressor wheel for different operating points defined by rotational velocity and compressor inlet temperature is presented. The boundary conditions for transient heat transfer calculations in FEA are provided by conjugate heat transfer calculations for maximal power and idle speed of the turbocharger. The results of this method show time dependent temperature distribution on the compressor wheel under thermal shock conditions. The FEA calculations with boundary conditions from the transient heat transfer calculations describe the deformation behavior of the centrifugal compressor wheel during sequent thermal shock cycles. The thermomechanical behavior during different operating points and load cycles of the turbocharger is investigated. Furthermore relaxation and creep effects on highly stressed regions of the compressor wheel during full power application are presented.
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