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Artículos de revistas sobre el tema "AA2024-T4"

Autor: Grafiati

Publicado: 4 de septiembre de 2021

Última modificación: 29 de julio de 2025

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1

Urrego, Luis Fabian, Olimpo García-Beltrán, Nelson Arzola, and Oscar Araque. "Mechanical Fracture of Aluminium Alloy (AA 2024-T4), Used in the Manufacture of a Bioproducts Plant." Metals 13, no. 6 (2023): 1134. http://dx.doi.org/10.3390/met13061134.

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Aluminium alloy (AA2024-T4) is a material commonly used in the aerospace industry, where it forms part of the fuselage of aircraft and spacecraft thanks to its good machinability and strength/weight ratio. These characteristics allowed it to be applied in the construction of the structure of a pilot plant to produce biological extracts and nano-encapsulated bioproducts for the phytosanitary control of diseases associated with microorganisms in crops of Theobroma Cacao L. (Cacao). The mechanical design of the bolted support joints for this structure implies knowing the performance under fatigue

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2

Ahmed, Mohamed M. Z., Mohamed M. El-Sayed Seleman, Zeinab A. Zidan, Rashad M. Ramadan, Sabbah Ataya, and Naser A. Alsaleh. "Microstructure and Mechanical Properties of Dissimilar Friction Stir Welded AA2024-T4/AA7075-T6 T-Butt Joints." Metals 11, no. 1 (2021): 128. http://dx.doi.org/10.3390/met11010128.

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Aircraft skin and stringer elements are typically fabricated from 2xxx and 7xxx series high strength aluminum alloys. A single friction stir welding (FSW) pass using a specially designed tool with shoulder/pin diameter ratio (D/d) of 3.20 is used to produce dissimilar T-butt welds between AA2024-T4 and AA7075-T6 aluminum alloys at a constant travel speed of 50 mm/min and different rotational speeds of 400, 600 and 800 rpm. The AA2024-T4 is the skin and the AA7075-T6 is the stringer. Sound joints are produced without macro defects in both the weld top surfaces and the joint corners at all rotat

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3

Ahmed, Mohamed M. Z., Mohamed M. El-Sayed Seleman, Zeinab A. Zidan, Rashad M. Ramadan, Sabbah Ataya, and Naser A. Alsaleh. "Microstructure and Mechanical Properties of Dissimilar Friction Stir Welded AA2024-T4/AA7075-T6 T-Butt Joints." Metals 11, no. 1 (2021): 128. http://dx.doi.org/10.3390/met11010128.

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Aircraft skin and stringer elements are typically fabricated from 2xxx and 7xxx series high strength aluminum alloys. A single friction stir welding (FSW) pass using a specially designed tool with shoulder/pin diameter ratio (D/d) of 3.20 is used to produce dissimilar T-butt welds between AA2024-T4 and AA7075-T6 aluminum alloys at a constant travel speed of 50 mm/min and different rotational speeds of 400, 600 and 800 rpm. The AA2024-T4 is the skin and the AA7075-T6 is the stringer. Sound joints are produced without macro defects in both the weld top surfaces and the joint corners at all rotat

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4

Алвин, А. Х., Х. Ксиби, З. Дрисс, and Х. Алалкави. "Mechanical properties and fatigue performance of AA2024-T361 alloy under elevated temperatures." Металловедение и термическая обработка металлов, no. 4 (May 2, 2025): 16–21. https://doi.org/10.30906/mitom.2025.4.16-21.

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Экспериментально исследованы механические свойства при статическом растяжении и усталостные характеристики при постоянной амплитуде нагружения алюминиевого сплава 2024-T361 (аналог AA2024-T4) при повышенных температурах. Показано, что повышение температуры до 200 – 250 °C приводит к значительному снижению механических свойств, долговечности и прочности сплава при циклическом нагружении по схеме изгиб с кручением. Относительное снижение механических свойств сплава при повышении температуры до 200 – 250 °C, наблюдаемое в настоящем исследовании, согласуется с данными других авторов. Однако сопрот

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5

Alwin, Allawi H., Hatem Ksibi, Zied Driss, and Hussain J. M. Alalkawi. "Fatigue Variable Loading Under Combined High Temperature and Shot Peening Treatment for AA2024-T4 and AA2024-T361." Strojnícky časopis - Journal of Mechanical Engineering 73, no. 1 (2023): 1–12. http://dx.doi.org/10.2478/scjme-2023-0001.

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Abstract The variable fatigue loading (VL) is an important issue for aircraft safety. Indeed, aluminium alloy parts are always the subject of this type of thermo-mechanical alterations. This study examined the effect (VL) under normal operating conditions. We investigated the effect of fatigue variable loading (VL) under combined high temperature (HT) and shot peening (SP) treatment for (AA2024-T4 and AA2024-T361). Fatigue under loading from 250 to 350MPa with various combinations of loading cycles is presented. The experimental fatigue life results were compared to Miner’s rule. The compariso

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6

Yusoff, N. I., and L. H. Sulaiman. "Influence of Clad Layer Thickness of Aluminium Alloy by Friction Surface Cladding Process." Journal of Modern Manufacturing Systems and Technology 7, no. 2 (2023): 17–22. http://dx.doi.org/10.15282/jmmst.v7i2.9935.

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Friction Surface Cladding (FSC) is a process that enables the deposition of clad material on a substrate through a hollow rotating tool to create thin clad layers at sufficiently high temperatures. Heat is produced during the cladding process by friction at the tool-clad layer and the substrate. This study focus on the influence of clad layer thickness of aluminium alloy AA2024 at the control process temperature around 300℃ to 350℃. The material used is AA2024-T4 for the clad layer and AA2024-T351 for the substrate. A thermal model is built using COMSOL Multiphysics 6.0 and Heat Transfer in So

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7

Zhang, Yanxin, Yongxian Huang, Xiangchen Meng, Junchen Li, Yuming Xie, and Qiang Fan. "Friction stir lap welding of AA2024-T4 with drastically different thickness." International Journal of Advanced Manufacturing Technology 106, no. 9-10 (2020): 3683–91. http://dx.doi.org/10.1007/s00170-019-04865-x.

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8

Delaunois, Fabienne, Edwin Denil, Yves Marchal, and Véronique Vitry. "Accelerated Aging and Portevin-Le Chatelier Effect in AA 2024." Materials Science Forum 879 (November 2016): 524–29. http://dx.doi.org/10.4028/www.scientific.net/msf.879.524.

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AA2024 aluminium alloy is used in aeronautics for various applications. However, the aging treatment (“T4 temper”) at ambient temperature used to bring it to optimal mechanical properties causes several problems. The main one is its duration (5 days) which brings the need for storage of the parts. Moreover temperature control during such a long period is difficult.The aim of this work was to develop an alternative treatment leading to optimized mechanical properties in a shorter time. For this, we investigated the kinetics of the aging process and observed the apparition and disappearance of “

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9

Wang, Lei, and Jian Jun Zhu. "Experiment and Simulation of Influence of Welding Parameters on Temperature in Friction Stir Welding." Applied Mechanics and Materials 44-47 (December 2010): 76–80. http://dx.doi.org/10.4028/www.scientific.net/amm.44-47.76.

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Temperature distribution is the foundation to study friction stir welding technique, influence of welding parameters on temperature was studied through experiment measurement on AA2024-T4 aluminum alloy plates. An instantaneous relative linear velocity based heat source was utilized to build the FEM model of friction stir welding process, good agreement was observed between the measured and simulated thermal profiles. FEM model was also utilized to study effect of welding parameters on temperature distribution.

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10

Sun, Shuangqing, Shenghui Chen, Yunfei Ma, Qifei Zheng, and Songqing Hu. "Exfoliation Corrosion of Extruded AA2024-T4 in the Industrial and Coastal-Industrial Environments." CORROSION 70, no. 10 (2014): 1064–73. http://dx.doi.org/10.5006/1276.

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11

Ridha, Munaf Hashim, Sohaib Khlil Alkhazraji, and Isam Tareq Abdullah. "Investigation of Friction Stir Welding of AA2024-T4 Thin Sheets for Industrial Applications." IOP Conference Series: Materials Science and Engineering 881 (August 11, 2020): 012074. http://dx.doi.org/10.1088/1757-899x/881/1/012074.

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12

Ales, Steve Korakan, and Lei Wang. "Effects of Friction Stir Welding on Corrosion Behaviors of AA2024-T4 Aluminum Alloy." MATEC Web of Conferences 109 (2017): 02003. http://dx.doi.org/10.1051/matecconf/201710902003.

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13

Dilmec, Murat, H. Selcuk Halkaci, Fahrettin Ozturk, Haydar Livatyali, and Osman Yigit. "Effects of sheet thickness and anisotropy on forming limit curves of AA2024-T4." International Journal of Advanced Manufacturing Technology 67, no. 9-12 (2012): 2689–700. http://dx.doi.org/10.1007/s00170-012-4684-0.

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14

Chiang, Meng-Ting, Kuan-Yu Chiu, Po-Ching Wu, Shih-Ying Chang, Yu-Kai Sun, and Tung-Han Chuang. "Improvement of the Mechanical Properties of the Diffusion-Bonded 2024 Aluminum Alloy through Post-Weld Heat Treatments." Metals 12, no. 10 (2022): 1738. http://dx.doi.org/10.3390/met12101738.

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In this study, 2024 aluminum alloy was diffusion bonded to identify the effect of the bonding temperature, applied pressure, and heating time on the microstructure, hardness, and bonding strength. The shear strength increased from 62.5 MPa to 81.2 MPa along with the rise in bonding temperatures from 440 °C to 490 °C. The bonding strength rose from 62.5 MPa to an optimal value of 81.2 MPa by extending the bonding time from 30 min to 240 min at a bonding temperature of 490 °C and a constant pressure of 5 MPa. In addition, various post-weld heat treatments for diffusion-bonded joints were also pe

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15

Elshaghoul, Yousef G. Y., Mohamed M. El-Sayed Seleman, Ashraf Bakkar, et al. "Additive Friction Stir Deposition of AA7075-T6 Alloy: Impact of Process Parameters on the Microstructures and Properties of the Continuously Deposited Multilayered Parts." Applied Sciences 13, no. 18 (2023): 10255. http://dx.doi.org/10.3390/app131810255.

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In the aircraft industry, the high-strength aluminum alloys AA7075 and AA2024 are extensively used for the manufacture of structural parts like stringers and skins, respectively. Additive manufacturing (AM) of the AA7075-T6 aluminum alloy via friction stir deposition to build continuously multilayered parts on a substrate of AA2024-T4 aluminum has not been attempted so far. Accordingly, the present work aimed to explore the applicability of building multilayers of AA7075-T6 alloy on a substrate sheet of AA2024-T4 alloy via the additive friction stir deposition (AFSD) technique and to optimize

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16

Di, Shusheng, Xinqi Yang, Guohong Luan, and Bo Jian. "Comparative study on fatigue properties between AA2024-T4 friction stir welds and base materials." Materials Science and Engineering: A 435-436 (November 2006): 389–95. http://dx.doi.org/10.1016/j.msea.2006.07.009.

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17

Park, Cheon Myeong, JeKi Jung, Byung Chul Yu, and Yong Ho Park. "Anisotropy of the Wear and Mechanical Properties of Extruded Aluminum Alloy Rods (AA2024-T4)." Metals and Materials International 25, no. 1 (2018): 71–82. http://dx.doi.org/10.1007/s12540-018-0164-x.

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18

Zheng, Tianyu, Lu Wang, and Jinyan Liu. "Corrosion inhibition of levofloxacin and Ce(NO3)3 for AA2024-T4 in 3.5% NaCl." Corrosion Engineering, Science and Technology 55, no. 1 (2019): 75–82. http://dx.doi.org/10.1080/1478422x.2019.1681152.

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19

Sánchez-Majado, S., José M. Torralba, and Antonia Jiménez-Morales. "Assessment of the Corrosion Behavior of a Sintered Al-Cu-Mg Alloy in Aeronautical Environments as a Function of the Heat Treatment." Materials Science Forum 534-536 (January 2007): 497–500. http://dx.doi.org/10.4028/www.scientific.net/msf.534-536.497.

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In the present work it has been studied the corrosion performance of a powder metallurgical aluminum alloy in aeronautical environments as a function of heat treatment. For this purpose an Al-Cu-Mg prealloyed powder was uniaxially pressed at 600 MPa followed by sintering at 590°C in nitrogen for 60 minutes. Subsequently sintered samples were heat treated to the T4 and T6 state. Corrosion behaviour was assessed by means of potentiodynamic polarization (PPT) in Dilute Harrison solution (DHS), which is considered to closely emulate the atmospheric environment for aircraft. PPT results for the equ

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20

Acerra, F., G. Buffa, Livan Fratini, and G. Troiano. "On the FSW of AA2024-T4 and AA7075-T6 T-joints: an industrial case study." International Journal of Advanced Manufacturing Technology 48, no. 9-12 (2009): 1149–57. http://dx.doi.org/10.1007/s00170-009-2344-9.

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21

Mathan, V., S. Sheeju Selva Roji, and J. Jebeen Moses. "An Experimental Evaluation of Static Strength and Fatigue Life on Composite Patch Repaired AA2024-T4 Plate." Advanced Materials Research 984-985 (July 2014): 233–37. http://dx.doi.org/10.4028/www.scientific.net/amr.984-985.233.

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AA2024-T4 Al substrate with and without bonded E-glass/Epoxy patches were undergone for the experimental study of tensile strength and fatigue behavior. The Al substrates were machined to edge cracked specimens. The strength of the substrate was decreased due to the presence of crack when compared with un-cracked Al substrate. The patches were made in liquid epoxy resin instead of film adhesives and it was discovered that the both static strength and fatigue life were significantly increased for bonded composite patches. Different ply patches were applied on the cracked Al substrates and it wa

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22

Benamirouche, Sofia, Abderrezak Abdi, Larbi Hemmouche, et al. "Multiscale study of cold-rolling deformation on mechanical and corrosion behaviors of AA2024-T4 aluminum alloy." Journal of the Indian Chemical Society 99, no. 1 (2022): 100307. http://dx.doi.org/10.1016/j.jics.2021.100307.

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23

Aydin, Hakan. "Quality and Properties of the Friction Stir Welded AA2024-T4 Aluminium Alloy at Different Welding Conditions." Materials Testing 52, no. 9 (2010): 640–50. http://dx.doi.org/10.3139/120.110172.

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24

PENG, Dongdong, Junsheng WU, Lijuan CHANG, Kun PANG, and Xiaogang LI. "Preparation and Corrosion Behaviour of Cerium Based Sol-gel Composite Coatings on AA2024-T4 Aluminum Alloy." Electrochemistry 84, no. 3 (2016): 143–50. http://dx.doi.org/10.5796/electrochemistry.84.143.

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25

Haozhe, Wang, Wang Yuxi, Yu Anfeng, Gu Meng, Chen Guoxin, and Li Xin. "Deformation and failure behaviors of AA2024-T4 under various stress states by means of arcan device." Vacuum 222 (April 2024): 113037. http://dx.doi.org/10.1016/j.vacuum.2024.113037.

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26

Ban Walid Muhammad, Ban Walid Muhammad. "Flash heating of epoxy based corrosion inhibitor thin films on aluminum substrates: التسخين الومضي لمانع التآكل القائم على الإيبوكسي أغشية رقيقة على ركائز الألومنيوم". Journal of natural sciences, life and applied sciences 6, № 1 (2022): 85–106. http://dx.doi.org/10.26389/ajsrp.i240821.

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The following investigation shows the experimental evaluation of a transient heat load centered on a corrosion inhibitor coating employed in the epoxy polyamide primary. The temperature at which the epoxy polyamide film initiated thermal deterioration increased with increased heating rates. This coating is a Deft Inc.'s high- quality solid epoxy primary. A single inch diameter lamp on two types of aluminum substrates was focused on the xenon flashlight: AA2024- T4 and AA7075- T3. For modeling purposes, edge effects have not been explored. The ceramic firebrick isolated the coated aluminum disk

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27

El-Morsy, A. W., M. Ghanem, and H. Bahaitham. "Effect of Friction Stir Welding Parameters on the Microstructure and Mechanical Properties of AA2024-T4 Aluminum Alloy." Engineering, Technology & Applied Science Research 8, no. 1 (2018): 2493–98. http://dx.doi.org/10.48084/etasr.1704.

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In this work, the effects of rotational and traverse speeds on the 1.5 mm butt joint performance of friction stir welded 2024-T4 aluminum alloy sheets have been investigated. Five rotational speeds ranging from 560 to 1800 rpm and five traverse speeds ranging from 11 to 45 mm/min have been employed. The characterization of microstructure and the mechanical properties (tensile, microhardness, and bending) of the welded sheets have been studied. The results reveal that by varying the welding parameters, almost sound joints and high performance welded joints can be successfully produced at the ro

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28

Bahemmat, Pouya, Mohammad Haghpanahi, Mohammad Kazem Besharati Givi, and Kambiz Reshad Seighalani. "Study on dissimilar friction stir butt welding of AA7075-O and AA2024-T4 considering the manufacturing limitation." International Journal of Advanced Manufacturing Technology 59, no. 9-12 (2011): 939–53. http://dx.doi.org/10.1007/s00170-011-3547-4.

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29

El-Morsy, Abdel-Wahab, Mohamed M. Ghanem, and Haitham Bahaitham. "Effect of Friction Stir Welding Parameters on the Microstructure and Mechanical Properties of AA2024-T4 Aluminum Alloy." Engineering, Technology & Applied Science Research 8, no. 1 (2018): 2493–98. https://doi.org/10.5281/zenodo.1207268.

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In this work, the effects of rotational and traverse speeds on the 1.5 mm butt joint performance of friction stir welded 2024-T4 aluminum alloy sheets have been investigated. Five rotational speeds ranging from 560 to 1800 rpm and five traverse speeds ranging from 11 to 45 mm/min have been employed. The characterization of microstructure and the mechanical properties (tensile, microhardness, and bending) of the welded sheets have been studied. The results reveal that by varying the welding parameters, almost sound joints and high performance welded joints can be successfully produced at the ro

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30

Nayan, Niraj, S. V. S. Narayana Murty, S. C. Sharma, and Parameshwar Prasad Sinha. "Processing of V65 Aluminium Alloy Wires Processed from Hot and Warm Rolled Rods for Rivet Applications." Materials Science Forum 710 (January 2012): 174–79. http://dx.doi.org/10.4028/www.scientific.net/msf.710.174.

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High shear strength of 25 kg/mm2 combined with a high plasticity makes Russian grade V65 aluminum alloys as potential candidate compared to AA2024 for riveting applications in aerospace industries. The lower content of magnesium over the AA 2024 alloy decreases the aging kinetics of this alloy because of the decreased vacancy concentration in the as-quenched alloy which in turn gives flexibility to carryout riveting operation even after 4 days after solution heat treat¬ment and natural aging at room temperature. This paper presents the processing and characterization of V65 aluminium alloy wir

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31

Salimon, Igor A., Sakellaris Mailis, Alexey I. Salimon, et al. "FIB-SEM Investigation of Laser-Induced Periodic Surface Structures and Conical Surface Microstructures on D16T (AA2024-T4) Alloy." Metals 10, no. 1 (2020): 144. http://dx.doi.org/10.3390/met10010144.

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The use of aluminum alloy AA2024-T4 (Russian designation D16T) in applications requiring a high strength-to-weight ratio and fatigue resistance such as aircraft fuselage often demands the control and modification of surface properties. A promising route to surface conditioning of Al alloys is laser treatment. In the present work, the formation of ripples and conical microstructures under scanning with femtosecond (fs) laser pulses was investigated. Laser treatment was performed using 250 fs pulses of a 1033 nm Yb:YAG laser. The fluence of the pulses varied from 5 to 33 J/cm2. The scanning was

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32

Sarmast, Ardeshir, Siamak Serajzadeh, and Amir H. Kokabi. "A study on thermal responses, microstructural issues, and natural aging in gas tungsten arc welding of AA2024-T4." Proceedings of the Institution of Mechanical Engineers, Part B: Journal of Engineering Manufacture 228, no. 3 (2013): 413–21. http://dx.doi.org/10.1177/0954405413501669.

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33

Gerengi, Husnu, Moses M. Solomon, Mine Kurtay, et al. "Electrochemical and morphological assessments of inhibition level of 8-hydroxylquinoline for AA2024-T4 alloy in 3.5% NaCl solution." Journal of Adhesion Science and Technology 32, no. 2 (2017): 207–23. http://dx.doi.org/10.1080/01694243.2017.1350524.

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34

Jung, Jeki, Jeong-Jung Oak, Yong-Hwan Kim, Yi Je Cho, and Yong Ho Park. "Wear behaviors of pure aluminum and extruded aluminum alloy (AA2024-T4) under variable vertical loads and linear speeds." Metals and Materials International 23, no. 6 (2017): 1097–105. http://dx.doi.org/10.1007/s12540-017-7158-y.

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35

Meng, Xiangchen, Bingqi Cao, Yang Qiu, et al. "Equal-load-bearing joining of alclad AA2024-T4 alloy stringers and skins in aviation via friction stir lap welding." Journal of Manufacturing Processes 68 (August 2021): 1295–302. http://dx.doi.org/10.1016/j.jmapro.2021.06.043.

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36

Namer, Nasri S. M., Sami Ali Nama, and Marwan T. Mezher. "THE INFLUENCE OF NANO PARTICLES ADDITIVE ON TRIBOLOGICAL PROPERTIES OF AA2024-T4 COATED WITH TiN OR SiN THIN FILMS." Journal of Mechanical Engineering Research and Developments 42, no. 3 (2019): 30–34. http://dx.doi.org/10.26480/jmerd.03.2019.30.34.

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37

Yang, Jun, Xianmin Chen, Huaxia Zhao, Jihong Dong, and Feng Jin. "Quasi-In Situ Observation of the Microstructural Response during Fatigue Crack Growth of Friction Stir Welded AA2024-T4 Joint." Materials 17, no. 9 (2024): 2106. http://dx.doi.org/10.3390/ma17092106.

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The reliability of friction stir welded joints is a critical concern, particularly given their potential applications in the aerospace manufacturing industry. This study offers a quasi-in situ observation of the microstructural response during fatigue crack growth (FCG) of a friction stir welded AA2024-T4 joint, aiming to correlate fatigue crack growth behavior with mechanical properties investigated using electron backscatter diffraction (EBSD). Notched compact tension (CT) specimens corresponding to the morphology of the stir zone (SZ), advancing side (AS), and retreating side (RS) were meti

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38

Nayan, Niraj, S. V. S. Narayana Murty, Abhay Kumar Jha, S. C. Sharma, K. Sreekumar, and Parameshwar Prasad Sinha. "Processing of Al-Cu-Mg Alloy (V65 Grade) Bars as Feedstock for Wire Drawing." Materials Science Forum 710 (January 2012): 167–73. http://dx.doi.org/10.4028/www.scientific.net/msf.710.167.

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Al-Cu-Mg (Russian grade V65) alloys are used for riveting applications in aerospace industries due to relatively high shear strength of the order of 25 kg/mm2 combined with a high plasticity. The main advantage of using V65 aluminum alloy for rivet application comes from its significantly slower natural aging response, which gives flexibility to carryout riveting operation even after 4 days after solution heat treatment and natural aging at room temperature. This very valuable feature is not found in its counterpart alloy AA2024 where due to rapid aging kinetics of this alloy, the riveting ope

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39

Karthikeyan, KMB, Sam Richard N, Bharath S, Cyril Moses L, and Eshwar NK. "Material Selection and Optimization of Green Drilling of Aluminium Alloys: MCDM-Pareto ANOVA and T-SRC." IOP Conference Series: Materials Science and Engineering 1316, no. 1 (2024): 012014. http://dx.doi.org/10.1088/1757-899x/1316/1/012014.

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Abstract The widespread use of aluminium alloys in the automotive, aerospace, and structural sectors necessitates the establishment of exploratory selection criteria to harness optimality at the various stages of product development. This study utilizes multi-criteria decision-making approaches to determine the most suitable aluminium alloy for thermal friction drilling. Additionally, the process optimization was done using the Taguchi super ranking concept (T-SRC), and the confirmation test using explicit dynamics simulation using ANSYS software. The ideal material selection was evaluated bas

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40

Na, Kyung-Hwan, and Su-Il Pyun. "Comparison of susceptibility to pitting corrosion of AA2024-T4, AA7075-T651 and AA7475-T761 aluminium alloys in neutral chloride solutions using electrochemical noise analysis." Corrosion Science 50, no. 1 (2008): 248–58. http://dx.doi.org/10.1016/j.corsci.2007.05.028.

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41

Deng, Lipeng, Shuhan Li, Liming Ke, Jinhe Liu, and Jidong Kang. "Microstructure and Fracture Behavior of Refill Friction Stir Spot Welded Joints of AA2024 Using a Novel Refill Technique." Metals 9, no. 3 (2019): 286. http://dx.doi.org/10.3390/met9030286.

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Keyhole at the end of a conventional friction stir welded (FSW) joint is one of the major concerns in certain applications. To address this issue, a novel keyhole refilling technique was developed for conventional friction stir spot welding (FSSW) using resistance spot welding (RSW). A three-phase secondary rectifier resistance welder was adapted for the refill of the keyhole in the 1.5 mm + 1.5 mm friction stir spot welded 2024-T4 aluminum alloy joint. The microstructure and tensile shear fracture behavior were compared for both the unfilled and refilled specimens. The results show that the p

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42

Mallieswaran, K., S. Agaramudhalvan, and D. George Oliver. "Microstructural stability and strength correlation in AGG-affected friction stir welded AA2024-T4 joints." Advances in Materials and Processing Technologies, May 7, 2025, 1–10. https://doi.org/10.1080/2374068x.2025.2501044.

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43

Alwin, A. H., and H. Ksibi. "Enhancing High-Temperature Fatigue Performance of AA2024-T4 Alloy Through Shot Peening: A Comprehensive Numerical Simulation." Strength of Materials, September 17, 2024. http://dx.doi.org/10.1007/s11223-024-00674-0.

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44

Wang, H., Y. Wang, A. Yu, M. Gu, G. Chen, and X. Li. "Effects of Material Orientation and Degree of Deformation on the Tension–Compression Asymmetry of AA2024‒T4." Experimental Mechanics, February 3, 2025. https://doi.org/10.1007/s11340-025-01147-4.

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45

Kumar, Deepak, and A. N. Sinha. "Analysis of heat generation during friction stir welding of aluminum alloy 2024-T4 and its impact on joint characteristics." Engineering Research Express, January 18, 2024. http://dx.doi.org/10.1088/2631-8695/ad2034.

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Abstract Friction stir welding (FSW) is a successful welding technique for joining of aluminum and many other materials with the required joint configurations. During this welding process, large amount of heat is generated, which influences the integrity, performance, and microstructure of the weld joints. In this study, both experimental and numerical approaches are adopted to analyse the influence of heat generation on the metallurgical and mechanical properties of friction stir-welded joints of AA2024-T4. A computational fluid dynamics (CFD) model is constructed for quantitative analysis of

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46

Mertinger, V., B. Varbai, Y. Adonyi, et al. "Microstructure evaluation of dissimilar AA2024 and AA7050 aluminum joints made by corner stationary-shoulder friction stir welding." Welding in the World, May 31, 2022. http://dx.doi.org/10.1007/s40194-022-01321-5.

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Abstract Fillet welds made by the corner stationary-shoulder friction stir welding process between AA7050-T7451 and AA2024-T4 sheets were characterized using different metallographic techniques and mechanical testing. Robotic welds of an aircraft’s skin-to-internal stiffeners were examined using Barker’s electrolytic and Keller’s etching techniques and correlated with electron backscattered diffraction results and energy-dispersive microprobe analysis. The composition and grain orientation maps and material flow lines demonstrated excellent weld quality in spite of the apparent inhomogeneities

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47

El-Sayed Seleman, Mohamed M., Ahmed M. Elnaml, Sabbah Ataya, Mohamed M. Z. Ahmed, Sarah A. Elnekhaily, and Khalid M. Hafez. "A Hybrid Analytical-Numerical Model of Heat Generation and Distribution in Friction Stir Welded AA2024 Butt Joints." International Journal of Integrated Engineering 16, no. 5 (2024). http://dx.doi.org/10.30880/ijie.2024.16.05.012.

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Being a solid-state process, friction stir welding (FSW) is considered a candidate technique for welding critically-microstructure-sensitive materials such as heat-treatable aluminum alloys.A hybrid computational model that employs both analytical and numerical approaches was used to estimate the amount of heat generated in the FSW of AA2024-T4 butt-welded sheets and how it is distributed as a function of time using a 3D transient heat transfer finite element analysis (FEA). Experimental procedures were used to validate the heat distribution in the welded butt joints using candidate rotational

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48

Vikram Rex, Amit, Surajit Kumar Paul, and Akhilendra Singh. "The influence of equi-biaxial and uniaxial tensile pre-strain on the low cycle fatigue performance of the AA2024-T4 aluminium alloy." International Journal of Fatigue, April 2023, 107699. http://dx.doi.org/10.1016/j.ijfatigue.2023.107699.

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49

Vikram Rex, Amit, Surajit Kumar Paul, and Akhilendra Singh. "oiInfluence of uniaxial and equi-biaxial tensile pre-straining on the high cycle and notch fatigue behaviour of AA2024-T4 aluminium alloy." Theoretical and Applied Fracture Mechanics, November 2023, 104176. http://dx.doi.org/10.1016/j.tafmec.2023.104176.

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50

Majeed, Tanveer, Yashwant Mehta, and Arshad Noor Siddiquee. "Analysis of tool wear and deformation in friction stir welding of unequal thickness dissimilar Al alloys." Proceedings of the Institution of Mechanical Engineers, Part L: Journal of Materials: Design and Applications, November 11, 2020, 146442072097176. http://dx.doi.org/10.1177/1464420720971769.

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Friction stir welding between plates of unequal thickness, which are made from similar or dissimilar materials, finds wide range of applications in the aerospace and automotive sectors. Friction stir welding of plates made from dissimilar materials having unequal thicknesses is challenging. One of the major challenges is the control of rapid tool degradation which occurs during welding. This work reports a maiden study on tool degradation of high thickness ratio unequal thickness dissimilar material joints made between 6.3 mm thick AA2024-T3 and 2.5 mm thick AA7475-T7 plates. The degradation o

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