Relevant bibliographies by topics / 2024-T3

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

Academic literature on the topic '2024-T3'

Author: Grafiati
Published: 4 June 2021
Last updated: 13 February 2022

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Journal articles on the topic "2024-T3"

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Kim, Seon Ho, Kyu Sik Kim, Shae K. Kim, Young Ok Yoon, Kyu Sang Cho, and Kee Ahn Lee. "Microstructure and Mechanical Properties of Eco-2024-T3 Aluminum Alloy." Advanced Materials Research 602-604 (December 2012): 623–26. http://dx.doi.org/10.4028/www.scientific.net/amr.602-604.623.

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In this study, the microstructures and mechanical properties of the recently developed Eco-2024-T3 alloy were examined. Eco-2024 is made using Eco-Mg (Mg-Al2Ca) in place of element Mg during the manufacture of alloy 2024-T3. This is an alloy that has economic advantage and excellent properties. Alloy Eco-2024 showed smaller crystal grains that were distributed more evenly compared to the existing alloy 2024-T3. It consisted of Al matrices containing minute amounts of Al2CuMg, Al2Cu, and Ca phases and showed microstructures with reduced amounts of Fe phases or oxide. As a result of tensile tests, this alloy exhibited yield strength of 413 MPa, tensile strength of 527 MPa, and elongation of 15.4%. In other words, it showed higher strength than the existing alloy 2024 but was similar to the existing alloy 2024 in terms of elongation. In fatigue tests, alloy Eco-2024-T3 recorded fatigue limit of 330 MPa or around 80% of its yield strength; this is a much more excellent property compared to the existing alloy 2024-T3, which has fatigue limit of 250 MPa. Based on the aforementioned results, the correlation between the excellent mechanical properties of alloy Eco-2024-T3 and its microstructure was examined.
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Junipitoyo, Bambang, Luqman Hakim Al Baihaqy, and Linda Winiasri. "Pengaruh Heat Treatment Dan Quenching Terhadap Sifat Fisis Dan Mekanis Aluminum Alloy 2024-t3." Jurnal Penelitian 5, no. 1 (April 27, 2020): 1–10. http://dx.doi.org/10.46491/jp.v5e1.481.1-10.

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Aluminum alloy banyak digunakan pada industri manufaktur dirgantara sebagai material struktur pesawat terbang karena memiliki sifat yang ringan namun kuat. Aluminum alloy 2024 sering digunakan pada skin pesawat terbangPengujian yang dilakukan dengan cara Aluminum Alloy 2024-T3 di heat treatment pada suhu 100, 150 dan 200 °C dengan waktu tahan 60 menit, 90 menit dan 120 menit kemudian di quenching menggunakan air. Setelah dilakukan heat treatment dan quenching Aluminum Alloy 2024-T3 di uji tarik, uji kekerasan brinell, dan pengamatan struktur mikro dari Aluminum Alloy 2024-T3. Dari hasil penelitian ini menunjukkan bahwa heat treatment dan quenching pada Aluminum Alloy 2024-T3, diperoleh nilai tensile stress rata-rata tertinggi pada suhu 150 °C dengan waktu tahan 90 menit sebesar 154,52 Mpa, kekerasan rata-rata teringgi pada suhu 150 °C dengan waktu tahan 120 menit sebesar 95,66 HBW.
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Veljic, Darko, Bojan Medjo, Marko Rakin, Zoran Radosavljevic, and Nikola Bajic. "Analysis of the tool plunge in friction stir welding - comparison of aluminium alloys 2024 T3 and 2024 T351." Thermal Science 20, no. 1 (2016): 247–54. http://dx.doi.org/10.2298/tsci150313059v.

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Temperature, plastic strain and heat generation during the plunge stage of the friction stir welding (FSW) of high-strength aluminium alloys 2024 T3 and 2024 T351 are considered in this work. The plunging of the tool into the material is done at different rotating speeds. A three-dimensional finite element (FE) model for thermomechanical simulation is developed. It is based on arbitrary Lagrangian-Eulerian formulation, and Johnson-Cook material law is used for modelling of material behaviour. From comparison of the numerical results for alloys 2024 T3 and 2024 T351, it can be seen that the former has more intensive heat generation from the plastic deformation, due to its higher strength. Friction heat generation is only slightly different for the two alloys. Therefore, temperatures in the working plate are higher in the alloy 2024 T3 for the same parameters of the plunge stage. Equivalent plastic strain is higher for 2024 T351 alloy, and the highest values are determined under the tool shoulder and around the tool pin. For the alloy 2024 T3, equivalent plastic strain is the highest in the influence zone of the tool pin.
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Nugroho, Fajar. "PENGARUH RAPAT ARUS ANODIZING TERHADAP NILAI KEKERASAN PADA PLAT ALUMINIUM PADUAN AA SERI 2024-T3." Angkasa: Jurnal Ilmiah Bidang Teknologi 7, no. 2 (September 13, 2017): 39. http://dx.doi.org/10.28989/angkasa.v7i2.147.

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Aluminum alloy AA 2024-T3 is widely applied in the aircraft industry because it has good mechanical properties such as; light weight, good conductivity and the corrosion resistance. However Aluminium 2024-T3 susceptible to wearing. One method to improve the wear resistance o f AA 2024-T3 is the anodizing process. The aims of this research to study the effect of current density and anodizing time against the hardness of aluminum alloy AA 2024-T3. The process of anodizing was carried out using 10 percent sulfuric acid solution with the current density of 1.5 Ampere per decimeters square, 3.0 Ampere per decimeters square and 4.5 Ampere per decimeters square with immersion times of 30, 40, 50 and 60 minutes. Furthermore, the surface hardness was measured by using the Vickers hardness test method. As the supporting data the composition of the test conducted, testing the microstructure, and vickers hardness test. This study shows that the surface hardness of aluminum alloy AA 2024-T3 is influenced by the current density and anodizing time with varying values. Its shows that higher current density o f the anodizing caused optimal time tends to be short. The longer anodising time it will produce greater layer of aluminum oxide.
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Monslave, A., and R. Morales. "Caracterización de la respuesta a fractura de las aleaciones de aluminio 2024-O y 2024-T3." Revista de Metalurgia 40, no. 6 (December 30, 2004): 431–35. http://dx.doi.org/10.3989/revmetalm.2004.v40.i6.302.

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Mahyoedin, Yovial, Jamasri Jamasri, Rizky Arman, Wenny Marthiana, and Suryadima Suryadima. "Pengaruh Shot Peening Terhadap Kekerasan Dan Kekasaran Produk Chemical Milling Paduan Aluminium Yang Telah Di Stretching." JURNAL KAJIAN TEKNIK MESIN 5, no. 1 (April 13, 2020): 36–41. http://dx.doi.org/10.52447/jktm.v5i1.2995.

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AbstrakPenelitian ini bertujuan untuk mengetahui pengaruh shot peening terhadap kekasaran permukaan produk pembuatan kimia Al 2524-T3 dan Al 2024-T3 yang telah diregangkan. Paduan ini direntangkan melampaui tegangan luluh, yaitu masing-masing 1%, 3% dan 5%, dan kemudian dilakukan proses penggilingan kimia di satu sisi. Etching yang digunakan dalam proses penggilingan kimia adalah larutan NaOH + Na2S + H2O dengan konsentrasi tertentu. Permukaan dilakukan proses shot peening dengan intensitas yang bervariasi masing-masing 0,03 A, 0,05 A dan 0,07 A. Bahan itu kemudian diuji kekasaran permukaan dan kekerasannya. Hasil penelitian menunjukkan bahwa kekasaran permukaan dan kekerasan material meningkat dengan meningkatnya intensitas peening. Namun, ketebalan Al 2524-T3, yang lebih tipis dari Al 2024-T3 menyebabkan tidak signifikannya proses peening shot yang diberikan pada material.. Kata kunci: Shot Peening, Chemical Milling, Kekerasan, Kekasaran Permukaan AbstractThis study aims to investigate the influence of shot peening on hardness and surface roughness of chemical mlling product Al 2524-T3 and Al 2024-T3 which have been stretched. These alloys were stretched beyond yield stress, namely 1%, 3% and 5% of each, and then performed chemical milling process of one side. The etching used in chemical milling process were NaOH+Na2S+H2O solutions with certain concentration. The surface was performed shot peening process with varying intensity of 0.03 A, 0.05 A and 0.07 A respectively. The material were then tested its surface roughness and hardness. The results show that surface roughness and hardness of material increases with the increase of peening intensity. However, the thickness of Al 2524–T3, which is thinner than Al 2024-T3 causing insignificance of the shot peening process given to the materials. Keywords: Shot Peening, Chemical Milling, Hardness, Surface Roughness
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Galisson, Sébastien, Denis Carron, Philippe Le Masson, Georgios Stamoulis, Eric Feulvarch, and Gilles Surdon. "Hardness Prediction of AA 2024-T3 FSW Weld." Materials Science Forum 1016 (January 2021): 1857–62. http://dx.doi.org/10.4028/www.scientific.net/msf.1016.1857.

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The hardness of AA 2024 is mainly dependent of the precipitation state in the material. This one will vary through the process of friction stir welding (FSW) which generates heat and deformations. The most important effect will be the thermal excursion which greatly affects the nature and the distribution of precipitates and so the mechanical properties of the material. Three Myhr & Grong-type submodels have been used in this study in order to simulate the variation of hardness in AA 2024-T3 FSW welds. These models allowed to simulate the hardening by growth of S-precipitates and the softening by coarsening and dissolution of GPB zones / co-clusters or S-precipitates. Finally, the natural ageing was taken into account following the Robson model. The complete model has been calibrated with isothermal data found in the literature and still has to be optimised. Nevertheless, preliminary results show the coherence of the model when performed on isothermal data. The model has been also applied to predict FSW hardness profiles that are compared to those found in the literature.
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Cook, R. L., and S. R. Taylor. "Pigment-Derived Inhibitors for Aluminum Alloy 2024-T3." CORROSION 56, no. 3 (March 2000): 321–33. http://dx.doi.org/10.5006/1.3287661.

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Riveiro, A., F. Quintero, F. Lusquiños, J. Pou, and M. Pérez-Amor. "Laser cutting of 2024-T3 aeronautic aluminum alloy." Journal of Laser Applications 20, no. 4 (November 2008): 230–35. http://dx.doi.org/10.2351/1.2995769.

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Riveiro, A., F. Quintero, J. del Val, M. Boutinguiza, D. Wallerstein, R. Comesaña, F. Lusquiños, and J. Pou. "Laser cutting of aluminum alloy Al-2024-T3." Procedia Manufacturing 13 (2017): 396–401. http://dx.doi.org/10.1016/j.promfg.2017.09.028.

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Dissertations / Theses on the topic "2024-T3"

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Akhtar, Anisa Shera. "Surface science studies of conversion coatings on 2024-T3 aluminum alloy." Thesis, University of British Columbia, 2008. http://hdl.handle.net/2429/1713.

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The research in this thesis aims to develop new mechanistic knowledge for coating processes at 2024-Al alloy surfaces, ultimately to aid the design of new protective coatings. Coatings formed by phosphating, chromating, and permanganating were characterized especially by scanning Auger microscopy (SAM), X-ray photoelectron spectroscopy, and scanning electron microscopy . The objective was to learn about growth (nm level) as a function of time for different coating baths, as well as a function of lateral position across the different surface microstructural regions, specifically on the μm-sized Al-Cu-Mg and Al-Cu-Fe-Mn particles which are embedded in the alloy matrix . The research characterizes coating thickness, composition, and morphology. The thesis emphasizes learning about the effect of different additives in zinc phosphating baths . It was found that the Ni²⁺ additive has two main roles : first, the rate of increase in local solution pH is limited by the slower kinetics of reactions involving Ni²⁺ compared to Zn²⁺, leading to thinner zinc phosphate (ZPO) coatings when Ni²⁺ is present. Second, most Ni²⁺ deposition occurs during the later stages of the coating process in the form of nickel phosphate and a Ni-Al oxide in the coating pores on the alloy surface, increasing the corrosion resistance. Aluminum fluoride precipitates first during the initial stages of the coating process, followed by aluminum phosphate, zinc oxide, and finally ZPO. When Ni²⁺ is present in the coating solution at 2000 ppm, ZnO predominates in the coating above the A-Cu-Fe-Mn particle while ZPO dominates on the rest of the surface. The Mn²⁺ additive gives a more even coating distribution (compared with Ni²⁺) across the whole surface. The Mn²⁺ -containing ZPO coating is similar to the chromate coating in terms of evenness, while there is more coating deposition at the second-phase particles for permanganate coatings. The oxides on the Al-Cu-Fe-Mn and matrix regions are similar before coating, thereby confirming that a variety of observed differences in ZPO coating characteristics at these regions arise from the different electrochemical characteristics of the underlying metals. Upon exposure to a corrosive solution, the ZPO coating provides more protection to the second-phase particles compared to the matrix.
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Wang, Xi. "Corrosion Protection of Aluminum Alloy 2024-T3 by Al-Rich Primer." The Ohio State University, 2019. http://rave.ohiolink.edu/etdc/view?acc_num=osu1557143060015145.

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Cai, Hong. "Microbiologically influenced corrosion and titanate conversion coatings on aluminum alloy 2024-T3 /." View online ; access limited to URI, 2006. http://0-wwwlib.umi.com.helin.uri.edu/dissertations/dlnow/3225314.

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Petersen, Amanda de Moura. "Comportamento inibidor da corrosão de antocianinas na liga de alumínio 2024-T3." reponame:Biblioteca Digital de Teses e Dissertações da UFRGS, 2016. http://hdl.handle.net/10183/153271.

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A eficiência de antocianinas como inibidores de corrosão da liga de alumínio 2024-T3 foi avaliada através de medidas eletroquímicas como a espectroscopia de impedância eletroquímica e polarizações anódica e catódica. Soluções de NaCl 0,025 mol.L-1 contendo diferentes concentrações (800, 1000, 2000, 3000, 5000 e 7200 ppm) de antocianinas extraídas da uva foram preparadas para analisar o efeito da presença destas substâncias quando em contato com a liga de alumínio 2024-T3. Medidas de espectroscopia de impedância eletroquímica apresentaram uma diminuição sobre a dispersão dos pontos nas regiões de baixas frequências com o acréscimo do tempo de contato das antocianinas com a superfície da liga de alumínio 2024-T3 de 1 hora para 3 dias de imersão. Além disso, o comportamento indutivo nestas regiões decresceu após 3 dias de imersão com uma elevação considerável da resistência à polarização e da eficiência de inibição em 1000 ppm de antocianinas. Sob polarizações anódica e catódica, também foi verificado um melhoramento generalizado das propriedades anticorrosivas como potencial de corrosão, corrente de corrosão e eficiência de proteção contra a corrosão, para a concentração de 1000 ppm de antocianinas. Análises de microscopia eletrônica de varredura, microscopia de força atômica e espectroscopia por dispersão de energia, confirmam a adsorção de antocianinas na superfície da liga, assim como medidas de absorbância após 3 dias de imersão.
The efficiency of anthocyanins as corrosion inhibitor of the 2024-T3 aluminum alloy was evaluated by electrochemical measurements such as electrochemical impedance spectroscopy and anodic and cathodic polarizations. NaCl solutions 0.025 mol.L-1 containing different concentrations (800, 1000, 2000, 3000, 5000 and 7200 ppm) of anthocyanins extracted from grape were prepared to examine the effect of the presence of these substances when in contact with the 2024-T3 aluminum alloy. Electrochemical impedance spectroscopy measurements showed a decrease on the dispersion of points in the lower frequency regions with an increase of contact time of anthocyanins with the surface of the 2024-T3 aluminum alloy from 1 hour to 3 days of immersion. In addition, the inductive behavior in these regions decreased after 3 days of immersion with a considerable increase of the polarization resistance and inhibition efficiency of 1000 ppm of anthocyanins. Under cathodic and anodic polarizations, it was noted a general improvement in the anticorrosive properties such as corrosion potential, corrosion current and efficiency of protection against corrosion for the concentration of 1000 ppm of anthocyanins. Analyses of scanning electron microscopy, atomic force microscopy and energy dispersive spectroscopy confirm anthocyanins adsorption on to the surface alloy, as well as absorbance measurements in a spectrophotometer after 3 days of immersion.
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GUO, YANG. "A Study of Trivalent Chrome Process Coatings on Aluminum Alloy 2024-T3." The Ohio State University, 2011. http://rave.ohiolink.edu/etdc/view?acc_num=osu1308166499.

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Tamborim, Takeuchi Silvia Margonei Mesquita. "Revestimentos anticorrosivos à base de silanos sobre a liga de alumínio 2024-T3." reponame:Biblioteca Digital de Teses e Dissertações da UFRGS, 2009. http://hdl.handle.net/10183/16169.

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Revestimentos de silanos foram depositados sobre a liga de alumínio 2024 - T3 a fim de avaliar a sua utilização como revestimento protetor à corrosão. O capítulo I trata sobre o estudo do comportamento corrosivo de tratamentos baseados na deposição de camadas de 3-(trimetoxisililpropilmetacrilato (TMSPM) e/ou nitrato de cério sobre a liga de alumínio 2024 T-3 (AA2024 T-3). A resistência à corrosão foi avaliada por espectroscopia de impedância eletroquímica (EIE) durante a imersão em soluções de NaCl e Na2SO4 0,1molL-¹. Microscopia de força atômica (AFM), microscopia eletrônica de varredura (MEV) e espectrometria de dispersão em energia (EDS) foram utilizados para avaliar a superfície antes e após os tratamentos. Os resultados eletroquímicos mostraram que o nitrato de cério, quando presente entre duas camadas de TMSPM (camada depositada tipo sandwich), aumenta a resistência à corrosão. Este comportamento foi atribuído a presença de uma camada interna rica em silício e cério e outra mais externa rica em TMSPM, a qual aumenta o efeito barreira da camada. O capítulo II mostra um material hibrido orgânico-inorgânico carregado baseado em sílica, que foi obtido pelo método sol-gel. Esse híbrido foi usado como precursor para a síntese de um novo revestimento para ser usado sobre alumínio 99,999% e a liga de alumínio 2024-T3. A caracterização do material hibrido sintetizado foi feita por espectroscopia de ressonância magnética nuclear de carbono 13 (13C NMR) e análise termogravimétrica (TGA). O comportamento corrosivo desse revestimento híbrido foi avaliado em soluções de NaCl e Na2SO4 0,1molL-¹( pH:7), e em Na2SO4 0,3% (pH:3) atravês de técnicas de polarizações potenciodinâmicas e espectroscopia de impedância eletroquímica (EIE). Adicionalmente, o revestimento híbrido foi analisado por MEV e EDS. Experimentos de EIE feitos com o alumínio revestido em meio contendo sulfato (pH:7) e soluções contendo cloreto mostraram um aumento da resistência à corrosão comparada com o alumínio nu. Este fato foi interpretado baseado num processo de troca iônica entre o anion NO3- presente no filme hibrido pelos anions SO4-² ou Cl- presents na solução. Desta forma, este híbrido sol-gel permite a formação de um revestimento protetor para o alumínio, o qual mostra diferentes propriedades eletroquímicas de acordo com o contra-ion presente no filme. Para o liga AA2024T3 os testes realizados em meio de cloreto revelaram que este revestimento não apresenta propriedades protetora.
Silanes coatings were deposited on aluminum alloy AA 2024 - T3, in order to obtain a protective film against corrosion. The chapter I aims at studying the corrosion behavior of treatments based on the deposition of layers of metacryloxypropylmethoxysilane (MAOS) and/or cerium nitrate on aluminum alloy 2024 T-3 (AA2024-T3). The corrosion resistance was evaluated by electrochemical impedance spectroscopy (EIS) during immersion in 0.1M Na2SO4 and NaCl solutions. Atomic force microscopy (AFM), scanning electron microscopy (SEM) and energy dispersive spectroscopy (EDS) were also used to perform a surface analysis before and after the treatments. The electrochemical results show that cerium nitrate, when present between two layers of MAOS (sandwich-type deposited layer), improves the corrosion resistance. This can be attributed to the presence of an internal layer rich in silicium and cerium and another external MAOS layer, which further improves the barrier effect of the layer. The chapter II shows the charged organic-inorganic silica based hybrid material, containing the 1,4 diazoniabycicle[2.2.2]octane group that was obtained using the solgel method. This hybrid was used as precursor for the synthesis of a novel coating on 99.999% aluminum substrate. The characterization of the synthethysed hybrid material was carried out using NMR spectroscopy and Thermal Analysis. The corrosion behavior of this hybrid coating deposited on aluminum was evaluated in 0.1molL-¹ NaCl, Na2SO4 solution at pH 7 and in 0.3% (v/v) Na2SO4 solution at pH 3 by using potentiodynamic polarization and electrochemical impedance spectroscopy (EIS). In addition, the hybrid coating was analyzed by scanning electron microscopy (SEM) and energy dispersive spectrometry (EDS). EIS experiments performed with the coated aluminum in sulphate (pH:7) and chloride solutions have shown an improved corrosion resistance compared to the bare metal. This feature was interpreted on the basis of an ion-exhange process between the NO3ˉ anion contained in the hybrid film by the SO4-² or Cl- anions present in the solution. Thus, this novel hybrid sol-gel allows the formation of protective coating showing different properties according to the contra-ion present in the film. Tests performed with the coated aluminum alloy AA 2024-T3 in chloride media have showed that the protective effect of this coating is not adequate.
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Lopez-Garrity, Omar A. "Corrosion Inhibition Mechanisms of Aluminum Alloy 2024-T3 by Selected non-Chromate Inhibitors." The Ohio State University, 2013. http://rave.ohiolink.edu/etdc/view?acc_num=osu1372077968.

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Boag, Adam Paull, and adam boag@gmail com. "The Relationship Between Microstructure and Stable Pitting Initiation in Aerospace Aluminium Alloy 2024-T3." RMIT University. Applied Science, 2009. http://adt.lib.rmit.edu.au/adt/public/adt-VIT20091028.114831.

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Aluminium alloys are essential to a variety of industry sectors, particularly transport, where they are used in the production of cars and aeroplanes. However, aluminium alloys are susceptible to degradation through corrosion which can compromise the integrity of components manufactured from this material. Therefore research into the means by which these alloys degrade is important. This thesis aims to understand how one of the more potentially damaging types of corrosion, known as pitting corrosion, occurs in the important aluminium alloy 2024-T3 (AA2024-T3). In order to study this phenomenon, this thesis first characterises the alloy microstructure in detail, particularly the type and distribution of intermetallic particles since these play an important role in corrosion processes. The microstructure was studied using an electron microprobe analysis of a 5 mm x 5 mm area of AA2024-T3 and some 80,000 particles were characterised. This investigation was one of the most comprehensive studies to date of any aluminium alloy. Of the particles studied, it was found that the major types included the S and θ phases and a number of compositions based around AlCuFeMn and AlCuFeMnSi. Depletion zones were an integral feature of the alloy microstructure. Pair correlation functions were used to determine the degree of clustering and it was found that there was both inter particle as well as intra particle clustering. Inter particle clustering was observed at length scales well beyond 50 µm. A detailed study of corrosion on AA2024-T3 was undertaken by examining the surface after corrosion over a time period spanning 2.5 minutes to 120 minutes. From this investigation, a hierarchy of the localised corrosion was observed as it was very apparent that particles of particular elemental compositions were more susceptible to attack much sooner than other compositions. Larger corrosion attack sites on the surface, which were called co-operative corrosion, were attributed to intermetallic clustering affects and changes in chemical composition such as Cu-enrichment. These results were used to develop a detailed model of the initiation of stable pitting corrosion in AA2024-T3, which will lead to a better understanding on how to prevent pitting attack on commercially important aluminium alloys. AA2024-T3 is rarely used in the polished state, for real world applications is it generally finished by mechanical or chemical processing. In the final part of this thesis, the influence of clusters on metal finishing was examined using a standard aluminium chemical deoxidiser. It was found that the etch rate of this deoxidiser increased dramatically with the increase in temperature. Under certain processing conditions only the intermetallic particles are etched out and these retain the history of the spatial distribution of the clustering of the intermetallic particles. This leaves a cluster of 'holes' which could trap metal finishing solution and lead to severe subsurface attack
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Chilukuri, Anusha. "Corrosion Inhibition by Inorganic Cationic Inhibitors on the High Strength Aluminum Alloy, 2024-T3." The Ohio State University, 2012. http://rave.ohiolink.edu/etdc/view?acc_num=osu1343784869.

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Elaish, Reafat. "Influences of fluorine species on the anodizing behaviour of aluminium and AA 2024-T3 alloy." Thesis, University of Manchester, 2018. https://www.research.manchester.ac.uk/portal/en/theses/influences-of-fluorine-species-on-the-anodizing-behaviour-of-aluminium-and-aa-2024t3-alloy(7849513e-31b6-4f71-a6ee-126ee5221321).html.

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The present study investigates the effect of fluorine species during anodizing of aluminium and AA2024-T3 alloy in sulphuric acid and tartaric-sulphuric acid (TSA) electrolytes. The investigation comprises four main parts; (i) Effects of fluoride on barrier film formation on aluminium. (ii) Effects of fluoride and fluorozirconic acid (FZ) on porous film growth on aluminium in sulphuric acid. (iii) Effects of FZ on porous film growth on aluminium and AA 2024-T3 alloy in sulphuric acid and TSA. (iv) Effects on anodizing of other fluoroacids (fluoroboric (FB), fluorosilicic (FS) and fluorotitanic acid (FT)). The anodic films were examined by analytical scanning electron microscopy, transmission electron microscopy, energy dispersive X-ray spectroscopy, Rutherford backscattering spectroscopy, nuclear reaction analysis and glow discharge optical emission spectroscopy. The behaviour of fluoride ions during the growth of barrier-type films on aluminium was investigated in ammonium pentaborate solution with added sodium fluoride. Additions of up to 3.5 x 10-3 M sodium fluoride had a negligible influence on the film growth. In contrast, 3.5 x 10-2 M sodium fluoride reduced the efficiency to 60% as fluoride ions promoted field-assisted ejection of Al3+ ions from the film. Incorporated fluoride ions migrated inwards at a rate about twice that of O2- ions, forming a fluoride-rich layer at the film base. The study of the influence of FZ on formation of porous anodic films in sulphuric acid and TSA employed a range of anodizing voltages, electrolyte temperatures and anodizing times. Fluoroacid increased the growth rate, with a reducing influence as the temperature increased. The films contained fluoride and sulphate ions, zirconium was not detected. The fluoride concentration decreased with increasing temperature, whereas the sulphate concentration was unaffected. Anodizing aluminium and AA 2024-T3 alloy in other fluoroacids resulted in similar influences on the anodizing behaviour as FZ. The differences in growth rate, film composition and film morphology were comparatively small and did not show a systematic dependence on the type of fluoroacid employed. Boron, silicon and titanium were not detected in the films.
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Books on the topic "2024-T3"

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Center, Langley Research, ed. Multi-lab comparison of R-curve methodologies: Alloy 2024-T3. Hampton, Va: National Aeronautics and Space Administration, Langley Research Center, 1994.

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Center, Langley Research, ed. Multi-lab comparison of R-curve methodologies: Alloy 2024-T3. Hampton, Va: National Aeronautics and Space Administration, Langley Research Center, 1994.

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N, Sharpe William, and Langley Research Center, eds. Short fatigue crack behavior in notched 2024-T3 aluminum specimens. Hampton, Va: National Aeronautics and Space Administration, Langley Research Center, 1987.

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Multi-lab comparison of R-curve methodologies: Alloy 2024-T3. Hampton, Va: National Aeronautics and Space Administration, Langley Research Center, 1994.

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S, Dawicke D., and Langley Research Center, eds. An evaluation of the pressure proof test concept for thin sheet 2024-T3. Hampton, Va: National Aeronautics and Space Administration, Langley Research Center, 1990.

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An evaluation of the pressure proof test concept for thin sheet 2024-T3. Hampton, Va: National Aeronautics and Space Administration, Langley Research Center, 1990.

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C, Newman J., and Langley Research Center, eds. Prediction of stable tearing of 2024-T3 aluminum alloy using the crack-tip opening angle approach. Hampton, Va: National Aeronautics and Space Administration, Langley Research Center, 1993.

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C, Newman J., and Langley Research Center, eds. Prediction of stable tearing of 2024-T3 aluminum alloy using the crack-tip opening angle approach. Hampton, Va: National Aeronautics and Space Administration, Langley Research Center, 1993.

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Center, Langley Research, ed. Overload and underload effects on the fatigue crack growth behavior of the 2024-T3 aluminum alloy. Hampton, Va: National Aeronautics and Space Administration, Langley Research Center, 1997.

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Center, Langley Research, ed. Overload and underload effects on the fatigue crack growth behavior of the 2024-T3 aluminum alloy. Hampton, Va: National Aeronautics and Space Administration, Langley Research Center, 1997.

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Book chapters on the topic "2024-T3"

1

Olfa, Daghfas, Znaidi Amna, Gahbiche Amen, and Nasri Rachid. "Plastic Behavior of 2024-T3 Under Uniaxial Shear Tests." In Design and Modeling of Mechanical Systems—III, 1039–49. Cham: Springer International Publishing, 2017. http://dx.doi.org/10.1007/978-3-319-66697-6_102.

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McMurray, Robert, Alan Leacock, and Desmond Brown. "Double Curvature Springback in Stretch Formed 2024-T3 Aluminium." In Sheet Metal 2007, 391–98. Stafa: Trans Tech Publications Ltd., 2007. http://dx.doi.org/10.4028/0-87849-437-5.391.

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McEvily, A. J., Masahiro Endo, S. Cho, J. Kasivitamnuay, and Hisao Matsunaga. "Fatigue Striations and Fissures in 2024-T3 Aluminum Alloy." In Materials Science Forum, 397–400. Stafa: Trans Tech Publications Ltd., 2007. http://dx.doi.org/10.4028/0-87849-469-3.397.

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Vallellano, C., C. Guzman, and J. Garcia Lomas. "Failure Prediction in Stretched Sheets of Aluminium 2024-T3." In Materials Science Forum, 91–96. Stafa: Trans Tech Publications Ltd., 2006. http://dx.doi.org/10.4028/0-87849-417-0.91.

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Pastor, M. L., X. Balandraud, J. L. Robert, and M. Grédiac. "Fatigue Properties of 2024-T3 Aluminium Specimens Reinforced With Composite Patches." In Experimental Analysis of Nano and Engineering Materials and Structures, 135–36. Dordrecht: Springer Netherlands, 2007. http://dx.doi.org/10.1007/978-1-4020-6239-1_66.

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Vetter, Christopher, Katherine Gohmann, Alice C. Harper, and Victoria Johnston Gelling. "Polypyrrole/Aluminum Flake Hybrids as Corrosion Inhibitors for Aluminum 2024-T3." In ACS Symposium Series, 151–63. Washington, DC: American Chemical Society, 2010. http://dx.doi.org/10.1021/bk-2010-1050.ch011.

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Sano, Tomoko, C. Fountzoulas, C. F. Yen, C. Chen, and M. Nansteel. "Failure Characterization of AA 2024 T3 Panel Subjected to Close-In Blast." In Dynamic Behavior of Materials, Volume 1, 287–93. New York, NY: Springer New York, 2012. http://dx.doi.org/10.1007/978-1-4614-4238-7_36.

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McMurray, Robert, Alan Leacock, and Desmond Brown. "The Influence of Cladding on the Springback of 2024-T3 Aluminium Alloy." In Engineering Plasticity and Its Applications, 853–58. Stafa: Trans Tech Publications Ltd., 2007. http://dx.doi.org/10.4028/0-87849-433-2.853.

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Huang, Hong, Qingyun Zhao, and Fenglei Liu. "Effect of Strengthened Hole on the Fatigue Life of 2024-T3 Aluminum Alloy." In ICAF 2019 – Structural Integrity in the Age of Additive Manufacturing, 600–605. Cham: Springer International Publishing, 2019. http://dx.doi.org/10.1007/978-3-030-21503-3_48.

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Okada, T., K. Kuwayama, S. Fujita, M. Asakawa, T. Nakamura, and S. Machida. "Properties Of Fatigue Crack Propagation In Friction Stir Welded 2024-T3 Aluminum Alloy." In ICAF 2009, Bridging the Gap between Theory and Operational Practice, 899–908. Dordrecht: Springer Netherlands, 2009. http://dx.doi.org/10.1007/978-90-481-2746-7_48.

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Conference papers on the topic "2024-T3"

1

Riveiro, A., J. Pou, F. Lusquiños, M. Boutinguiza, F. Quintero, R. Soto, R. Comesaña, and M. Pérez-Amor. "Laser cutting of 2024-T3 aeronautic aluminium alloy." In ICALEO® 2006: 25th International Congress on Laser Materials Processing and Laser Microfabrication. Laser Institute of America, 2006. http://dx.doi.org/10.2351/1.5060829.

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Nair, R. Madhavan, B. Durairajan, and B. Bahr. "High Speed Drilling of Al-2024-T3 Alloy." In General Aviation Technology Conference & Exhibition. 400 Commonwealth Drive, Warrendale, PA, United States: SAE International, 2002. http://dx.doi.org/10.4271/2002-01-1516.

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Ramos, J. A., J. Magee, K. Watkins, W. M. Steen, and F. Noble. "Microstructure of laser bent aluminium alloy Alclad 2024-T3." In ICALEO® ‘98: Proceedings of the Laser Materials Processing Conference. Laser Institute of America, 1998. http://dx.doi.org/10.2351/1.5059146.

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Li, Xiaoqiang, Honghan Yu, Guiqiang Guo, and Dongsheng Li. "Single-point incremental forming of 2024-T3 aluminum alloy sheets." In NUMISHEET 2014: The 9th International Conference and Workshop on Numerical Simulation of 3D Sheet Metal Forming Processes: Part A Benchmark Problems and Results and Part B General Papers. AIP, 2013. http://dx.doi.org/10.1063/1.4850103.

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Casalino, G., L. A. C. De Filippis, and A. D. Ludovico. "On CO2 laser welding of Al 2024-T3 and Al 8090-T3 aluminium alloys butt joints." In ICALEO® 2001: Proceedings of the Laser Materials Processing Conference and Laser Microfabrication Conference. Laser Institute of America, 2001. http://dx.doi.org/10.2351/1.5059769.

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Zamber, J., and B. Hillberry. "A probabilistic approach to predicting fatigue lives of corroded 2024-T3." In 39th AIAA/ASME/ASCE/AHS/ASC Structures, Structural Dynamics, and Materials Conference and Exhibit. Reston, Virigina: American Institute of Aeronautics and Astronautics, 1998. http://dx.doi.org/10.2514/6.1998-2054.

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Alves Correa, Pedro Henrique, Renner Egalon Pereira, and Jorge Alberto Rodriguez Duran. "Spectral fatigue analysis for Al 2024-T3 with nonzero mean stress." In 7th International Symposium on Solid Mechanics. ABCM, 2019. http://dx.doi.org/10.26678/abcm.mecsol2019.msl19-0163.

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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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Siddiqui, M. H., F. Hashmi, and A. Junaid. "Determination of anisotropy in impact toughness of aluminium alloy 2024 T3 plate." In 2013 IEEE Aerospace Conference. IEEE, 2013. http://dx.doi.org/10.1109/aero.2013.6496891.

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Wahab, M. A., J. H. Park, and S. S. Pang. "Corrosion Prevention Compound on the Fatigue Life of 2024-T3 Aluminum Alloy." In ASME 2005 International Mechanical Engineering Congress and Exposition. ASMEDC, 2005. http://dx.doi.org/10.1115/imece2005-82906.

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Abstract:
Corrosion-Prevention-Compounds (CPC) are commonly used to prevent corrosion in the aircraft industry. The presence of corrosive environment on aircraft structures has detrimental effects on the aircraft components which reduces the fatigue life and may also accelerate the crack growth rate in the structures. This is an experimental study on 2024-T3 aluminum alloy to investigate the effect of fatigue crack growth (life from threshold crack growth to final failure) using CPC on fatigue life. The corrosion fatigue with the presence of water-vapor reduces the total fatigue life. The fatigue life with the CPC treatment is shown to increase the fatigue life due to the protection from the corrosive environment containing water-vapor. Test results are obtained for various stress ratios and frequencies with and without the CPC treatment under constant amplitude fatigue loading in water vapor. The second aspect of this work is to investigate the effect of periodic overloads and the limitation in their spacing cycles on the fatigue life under constant amplitude fatigue loading. The results confirm the earlier work that the fatigue life increases due to the periodic overloads in 2024-T3 aluminum alloy. The interactions between overloads that are controlled by the spacing cycles between overloads are also examined. From scanning electron microscopic work the transition from the ductile to brittle mode is observed clearly in this experimental work.
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Reports on the topic "2024-T3"

1

Leseur, D. Experimental investigations of material models for Ti-6A1-4V and 2024-T3. Office of Scientific and Technical Information (OSTI), May 1999. http://dx.doi.org/10.2172/11977.

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Koch, Gerhardus H., Elise L. Hagerdorn, and Alan P. Berens. Effect of Preexisting Corrosion on Fatigue Cracking of Aluminum Alloys 2024-T3 and 7075-T6. Fort Belvoir, VA: Defense Technical Information Center, August 1995. http://dx.doi.org/10.21236/ada430616.

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Yu, Lingyu, and Kumar V. Jata. Review and Study of Physics Driven Pitting Corrosion Modeling in 2024-T3 Aluminum Alloys (Postprint). Fort Belvoir, VA: Defense Technical Information Center, May 2015. http://dx.doi.org/10.21236/ada624864.

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Kay, G. Failure Modeling of Titanium-6Al-4V and 2024-T3 Aluminum with the Johnson-Cook Material Model. Office of Scientific and Technical Information (OSTI), September 2002. http://dx.doi.org/10.2172/15006359.

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