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Journal articles on the topic 'Friction Stir Extrusion'

Author: Grafiati

Published: 9 March 2023

Last updated: 19 July 2025

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1

Jarrell, Adam W., Jeff Cui, Alvin M. Strauss, and George E. Cook. "Friction stir extrusion of thin sheet stock." Manufacturing Letters 24 (April 2020): 38–42. http://dx.doi.org/10.1016/j.mfglet.2020.03.008.

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2

Jarrell, Adam W., and Alvin M. Strauss. "Applying torque based control to Friction Stir Extrusion." Journal of Manufacturing Processes 80 (August 2022): 382–96. http://dx.doi.org/10.1016/j.jmapro.2022.06.002.

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3

Hangai, Yoshihiko, Ryusei Kobayashi, Ryosuke Suzuki, Masaaki Matsubara, and Nobuhiro Yoshikawa. "Fabrication of Aluminum Pipe from Aluminum Chips by Friction Stir Back Extrusion." Journal of the Japan Institute of Metals and Materials 82, no. 2 (2018): 33–38. http://dx.doi.org/10.2320/jinstmet.j2017045.

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4

Jayaseelan, V., and K. Kalaichelvan. "Influence of Friction Factor on Extrusion Process." Advanced Materials Research 622-623 (December 2012): 457–60. http://dx.doi.org/10.4028/www.scientific.net/amr.622-623.457.

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Friction factor varies with respect to change in size of specimen. To identify suitable methodology for finding friction factor, extrusion process was selected. In this research work, three dies were used with diameter size reduction of 12:2, 8:4 and 4:2. Al6061/sic composite were produced by stir casting process. Specimens were extruded at 3000c and constant strain rate of 1 s-1. Friction values were obtained in three dies and size effect were studied. Extruded specimens, hardness, surface roughness and microstructures were compared with the machined specimens.

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5

Alhourani, Abdulla, Mohammad Nazzal, and Basil Darras. "Submerged Friction Stir Back Extrusion of AZ31 Magnesium Alloy." Key Engineering Materials 933 (October 17, 2022): 78–87. http://dx.doi.org/10.4028/p-9i4odm.

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Friction Stir Back Extrusion (FSBE) is a new grade of severe plastic deformation process capable of producing metallic tubular geometries that exhibit ultrafine grain structure and superior mechanical properties. FSBE of tubular sections provide opportunities for producing lightweight rigid structures for the automotive, aerospace and construction industries. This research investigates the effect of submerging conditions (in water at 25 °C and 2 °C) for Magnesium AZ31-B tubes on the grain size, mechanical properties, temperature history and power consumption. Submerged FSBE is compared to FSBE

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6

Buffa, Gianluca, Davide Campanella, Livan Fratini, and Fabrizio Micari. "AZ31 magnesium alloy recycling through friction stir extrusion process." International Journal of Material Forming 9, no. 5 (2015): 613–18. http://dx.doi.org/10.1007/s12289-015-1247-6.

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7

He, Chang Shu, Dong Wang, Wei Ping Tong, Gang Zhao, Xiang Zhao, and Liang Zuo. "Characteristics of Microstructure and Texture in the Stir Zone of Friction Stir Welded Al-12.7Si-0.7Mg Alloy." Materials Science Forum 702-703 (December 2011): 56–59. http://dx.doi.org/10.4028/www.scientific.net/msf.702-703.56.

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4-mm thick Al-12.7Si-0.7Mg alloy plates were cut from the hot extrusion profiles. A butt-welding joint was made by friction stir welding (FSW). Optical microscopy and SEM-EBSD analysis were employed to examine the microstructure and texture evolution in the stir zone of the joint. This work provides basic information for microstructure and microtexture characteristics in the stir zone after FSW for this novel wrought Al-Si alloy.

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8

Aghagol, Arash, Saeed Mahmoodi Darani, Karen Abrinia, and Mohammad Kazem Besharati Givi. "Direct Extrusion of Circular Profiles with Surface Composite Produced by Friction Stir Processing." Advanced Materials Research 383-390 (November 2011): 2747–52. http://dx.doi.org/10.4028/www.scientific.net/amr.383-390.2747.

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In this research, a new application of friction stir processing (FSP) in producing surface composite on circular billets was introduced. Al/Cu composite was fabricated by FSP on the surface of a 1050 aluminium cylinder with the diameter of 60 mm. Then this cylinder with surface composite was extruded with the extrusion ratio of 1.7. Finally, microstructure and microhardness were investigated before and after the extrusion. H13 hot work steel was used as the material of the tool whose pin diameter and length were 6 mm and shoulder diameter was 18 mm. The rotation and traverse speed of the tool

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9

Subhi, Akeel Dhahir. "A Review on the Friction Stir Brazing for Joining Dissimilar Materials." Iraqi Journal of Industrial Research 9, no. 3 (2022): 33–47. http://dx.doi.org/10.53523/ijoirvol9i3id265.

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Friction stir brazing (FSB) is a new technology developed for its ability to join similar and dissimilar metals and alloys resulting in a joint with considerable characteristics through the use of interlayer (braze) material under the action of a pinless rotating tool and other FSB parameters. The frictional heat during FSB is responsible for the melting of the braze material between the two workpieces, while the shoulder action must be satisfactory for the extrusion of the excess braze liquid phase depending on the FSB parameters used. The parameters of FSB also have a considerable impact on

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10

Djapic Oosterkamp, L., P. J. Webster, P. A. Browne, G. B. M. Vaughan, and Philip J. Withers. "Residual Stress Field in a Friction Stir Welded Aluminium Extrusion." Materials Science Forum 347-349 (May 2000): 678–83. http://dx.doi.org/10.4028/www.scientific.net/msf.347-349.678.

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11

Strawn, Connor, and Alvin M. Strauss. "Friction stir extrusion of aluminum AA6061 into isostatically molded graphite." Journal of Manufacturing Processes 69 (September 2021): 391–97. http://dx.doi.org/10.1016/j.jmapro.2021.07.052.

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12

Evans, William T., Brian T. Gibson, Jay T. Reynolds, Alvin M. Strauss, and George E. Cook. "Friction Stir Extrusion: A new process for joining dissimilar materials." Manufacturing Letters 5 (August 2015): 25–28. http://dx.doi.org/10.1016/j.mfglet.2015.07.001.

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13

Ansari, Mohammad Ali, Reza Abdi Behnagh, Morteza Narvan, Emadoddin Sadeqzadeh Naeini, Mohammad Kazem Besharati Givi, and Hongtao Ding. "Optimization of Friction Stir Extrusion (FSE) Parameters Through Taguchi Technique." Transactions of the Indian Institute of Metals 69, no. 7 (2015): 1351–57. http://dx.doi.org/10.1007/s12666-015-0686-6.

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14

Chumaevskii, Andrey, Denis Gurianov, Anastasiya Gusarova, et al. "Process Relationship in High-Stress Friction Coupled with Complex Shaped Counterbody and Friction Stir Welding Al-Mg-Sc-Zr Alloy." Materials Science Forum 1049 (January 11, 2022): 39–44. http://dx.doi.org/10.4028/www.scientific.net/msf.1049.39.

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Model research tests of plastic deformation, fragmentation and flow of aluminum alloy material of Al-Mg-Sc-Zr system under high loaded friction in pair with a steel counterbody of a complex shape and comparison of the obtained result with the structure formed by friction stir welding have been carried out. The conducted studies show that the structure formed by extrusion of the material from the friction zone and its compaction in the channel of the counterbody is, in general, close in structure to the structure formed by friction stir welding of similar material. The distinguishing features o

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15

Bocchi, Sara, Marco Zambelli, Gianluca D’Urso, and Claudio Giardini. "Efficiency and Microstructural Forecasts in Friction Stir Extrusion Compared to Traditional Hot Extrusion of AA6061." Journal of Manufacturing and Materials Processing 8, no. 4 (2024): 172. http://dx.doi.org/10.3390/jmmp8040172.

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Conventional aluminum recycling consumes a substantial amount of energy and has a negative impact on secondary alloys. To address this challenging topic, Friction Stir Extrusion has been patented, which represents an innovative solid-state recycling technique that enables the direct extrusion of components from recyclable materials. In recent years, developing simulation models for Friction Stir Extrusion has become essential for gaining a deeper understanding of its underlying physics. Simultaneously, control of the microstructure evolution of extruded profiles is required, as it has a consid

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16

Kosturek, Robert, Lucjan Śnieżek, Janusz Torzewski, and Marcin Wachowski. "Research on the Friction Stir Welding of Sc-Modified AA2519 Extrusion." Metals 9, no. 10 (2019): 1024. http://dx.doi.org/10.3390/met9101024.

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The aim of this research was to investigate the effect of friction stir welding (FSW) parameters on microstructure and mechanical properties of Sc-modified AA2519 extrusion joints. The workpiece was welded by FSW in non-heat-treated condition with seven different sets of welding parameters. For each obtained joint macrostructure and microstructure observations were performed. Mechanical properties of joints were investigated using tensile test together with localization of fracture location. Joint efficiencies were established by comparing measured joints tensile strength to the value for base

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17

Zhang, Suhong, Alan Frederick, Yiyu Wang, et al. "Microstructure Evolution and Mechanical Property Characterization of 6063 Aluminum Alloy Tubes Processed with Friction Stir Back Extrusion." JOM 71, no. 12 (2019): 4436–44. http://dx.doi.org/10.1007/s11837-019-03852-7.

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Abstract Friction stir back extrusion (FSBE) is a technique for lightweight metal extrusion. The frictional heat and severe plastic deformation of the process generate an equiaxed refined grain structure because of dynamic recrystallization. Previous studies proved that the fabrication of tube and wire structures is feasible. In this work, hollow cylindrical billets of 6063-T6 aluminum alloy were used as starting material. A relatively low extrusion ratio allows for a temperature and deformation gradient through the tube wall thickness to elucidate the effect of heat and temperature on the mic

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18

Xu, Wei Ping, Li Ming Ke, and Li Xing. "The Rotational Extrusion Alloying." Advanced Materials Research 664 (February 2013): 521–24. http://dx.doi.org/10.4028/www.scientific.net/amr.664.521.

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The Rotating Extrusion Alloying (REA) is a process which combined friction stir welding process and extrusion technology. In the REA process, dissimilar metals are mixed, cracked, and subjected to high speed, severe pressing deformation, and therefore rapidly alloy at a low temperature. The result shows that REA technology can be alloyed Al-Ti material. Its phases are mainly composed of Al and Al3Ti, which are distributed more evenly in the aluminum. After heat treatment, its phases’ types and pole figures have no significant change, but there is a trend of transition to the non-equilibrium st

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19

Sevvel, P., C. Satheesh, and V. Jaiganesh. "Influence of tool rotational speed on microstructural characteristics of dissimilar Mg alloys during friction stir welding." Transactions of the Canadian Society for Mechanical Engineering 43, no. 1 (2019): 132–41. http://dx.doi.org/10.1139/tcsme-2018-0037.

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Dissimilar friction stir welding of the AZ80A Mg alloy as the advancing side and the AZ91C Mg alloy as the retreating side was carried out at a constant feed rate of 75 mm/min using a taper cylindrical pin profiled tool at different tool rotational speeds. Defect free welds were produced in the 700–900 rpm rotational speed range. During friction stir welding, extrusion of metal took place in the advancing side and this extruded material was dynamically recrystallized and redeposited on the retreating side. This experimental investigation revealed that friction stir welding leads to the formati

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20

Hasan, Nuray, and Deyan Gradinarov. "Defining parameters for control of extruding wire by friction process." MATEC Web of Conferences 287 (2019): 06003. http://dx.doi.org/10.1051/matecconf/201928706003.

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Friction stir extrusion is an innovative direct-recycling technology for metal machining chips. During the process a specifically designed rotating tool is plunged into a cylindrical matrix containing the scraps to be recycled. The stirring action of the tool prompts solid bonding related phenomena allowing the back extrusion of a full dense rod. This process results to be particularly relevant because allows the reuse of the scrap without any previous treatment. Experiments have been carried out in order to investigate the influence of the process parameters on the extrudes quality and a nume

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21

Abu-Farha, Fadi. "A preliminary study on the feasibility of friction stir back extrusion." Scripta Materialia 66, no. 9 (2012): 615–18. http://dx.doi.org/10.1016/j.scriptamat.2012.01.059.

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22

Baffari, Dario, Anthony P. Reynolds, Attilio Masnata, Livan Fratini, and Giuseppe Ingarao. "Friction stir extrusion to recycle aluminum alloys scraps: Energy efficiency characterization." Journal of Manufacturing Processes 43 (July 2019): 63–69. http://dx.doi.org/10.1016/j.jmapro.2019.03.049.

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23

Bocchi, Sara, Gianluca D'Urso, Claudio Giardini, and Giancarlo Maccarini. "A Simulative Method for Studying the Bonding Condition of Friction Stir Extrusion." Key Engineering Materials 926 (July 22, 2022): 2333–41. http://dx.doi.org/10.4028/p-ft5355.

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In the manufacturing industry, the problem related to the management of metal waste is of considerable importance, since it is produced in large quantities during mechanical processing.However, its recovery is not always a simple task, especially with regard to the metal cutting processes. In fact, due to the presence of surface oxide and contaminating oily residues, the recovery process of these components is often very expensive and polluting. This problem can be solved with the FSE process, patented in 1993 by The Welding Institute. The FSE can be counted among the main innovative processin

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24

Jamali, Ghasem, Salman Nourouzi, and Roohollah Jamaati. "Manufacturing of gradient Al/SiC composite wire by friction stir back extrusion." CIRP Journal of Manufacturing Science and Technology 35 (November 2021): 735–43. http://dx.doi.org/10.1016/j.cirpj.2021.09.004.

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25

Wan, L., Y. Huang, Y. Wang, S. Lv, and J. Feng. "Friction stir welding of aluminium hollow extrusion: weld formation and mechanical properties." Materials Science and Technology 31, no. 12 (2014): 1433–42. http://dx.doi.org/10.1179/1743284714y.0000000721.

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26

Murakami, Tadashi, and Shinpei Osumi. "Practical use of aluminium extrusion by friction stir welding to pedestrian bridge." Welding International 25, no. 8 (2011): 603–7. http://dx.doi.org/10.1080/09507116.2010.527045.

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27

Huang, Y. X., L. Wan, S. X. Lv, and J. C. Feng. "Novel design of tool for joining hollow extrusion by friction stir welding." Science and Technology of Welding and Joining 18, no. 3 (2013): 239–46. http://dx.doi.org/10.1179/1362171812y.0000000096.

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28

Jafarzadeh, Hossein, Alireza Babaei, and Firooz Esmaeili-Goldarag. "Friction Stir Radial Backward Extrusion (FSRBE) as a new grain refining technique." Archives of Civil and Mechanical Engineering 18, no. 4 (2018): 1374–85. http://dx.doi.org/10.1016/j.acme.2018.04.006.

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29

Saad, Mohammed H., Obadah M. Jarrah, Mohammad A. Nazzal, Basil M. Darras, and Hossam A. Kishawy. "Sustainability-based evaluation of Friction Stir Back Extrusion of seamless tubular shapes." Journal of Cleaner Production 267 (September 2020): 121972. http://dx.doi.org/10.1016/j.jclepro.2020.121972.

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30

Abdi Behnagh, Reza, Avik Samanta, Mohsen Agha Mohammad Pour, Peyman Esmailzadeh, and Hongtao Ding. "Predicting microstructure evolution for friction stir extrusion using a cellular automaton method." Modelling and Simulation in Materials Science and Engineering 27, no. 3 (2019): 035006. http://dx.doi.org/10.1088/1361-651x/ab044b.

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31

Behnagh, Reza Abdi, Ramezanali Mahdavinejad, Amin Yavari, Masoud Abdollahi, and Morteza Narvan. "Production of Wire From AA7277 Aluminum Chips via Friction-Stir Extrusion (FSE)." Metallurgical and Materials Transactions B 45, no. 4 (2014): 1484–89. http://dx.doi.org/10.1007/s11663-014-0067-2.

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32

Jarrah, Obadah M., Mohammad A. Nazzal, and Basil M. Darras. "Numerical modeling and experiments of Friction Stir Back Extrusion of seamless tubes." CIRP Journal of Manufacturing Science and Technology 31 (November 2020): 165–77. http://dx.doi.org/10.1016/j.cirpj.2020.11.001.

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33

Asadi, Parviz, Mostafa Akbari, Mahyar Talebi, Maryam Peyghami, Tomasz Sadowski, and Mohammad Reza Mohammad Aliha. "Production of LM28 Tubes by Mechanical Alloying and Using Friction Stir Extrusion." Crystals 13, no. 5 (2023): 814. http://dx.doi.org/10.3390/cryst13050814.

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Friction Stir Extrusion (FSE), the focus of this research, is a process that has tremendous potential for shaping and improving the mechanical properties of the final product as well as the mechanical alloying. In this study, a cylindrical sample of LM13 aluminum, to which silicon powder is added, is extruded by the penetration of a tool and takes the shape of a tube. The microstructure of the aluminum tube produced is studied using a light microscope. Various tests, including compression and wear tests, are performed to evaluate the wear and mechanical properties of the tubes produced. Additi

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34

TAHMASBI, Kamin, Masoud MAHMOODI, and Hossein TAVAKOLI. "Corrosion resistance of aluminum alloy AA7022 wire fabricated by friction stir extrusion." Transactions of Nonferrous Metals Society of China 29, no. 8 (2019): 1601–9. http://dx.doi.org/10.1016/s1003-6326(19)65067-3.

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35

Baffari, Dario, Gianluca Buffa, and Livan Fratini. "Influence of Process Parameters on the Product Integrity in Friction Stir Extrusion of Magnesium Alloys." Key Engineering Materials 716 (October 2016): 39–48. http://dx.doi.org/10.4028/www.scientific.net/kem.716.39.

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Friction Stir Extrusion is an innovative direct-recycling technology for metal machining chips. During the process a specifically designed rotating tool is plunged into a cylindrical matrix containing the scraps to be recycled. The stirring action of the tool prompts solid bonding related phenomena allowing the back extrusion of a full dense rod. This process results to be particularly relevant because allows the reuse of the scrap without any previous treatment. Experiments have been carried out in order to investigate the influence of the process parameters on the extrudes quality and a nume

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36

Alhourani, Abdulla, Mahmoud Awad, Mohammad A. Nazzal, and Basil M. Darras. "Optimization of friction stir back extrusion mechanical properties and productivity of magnesium AZ31-B seamless tubes." Proceedings of the Institution of Mechanical Engineers, Part B: Journal of Engineering Manufacture 235, no. 13 (2021): 2143–54. http://dx.doi.org/10.1177/09544054211014465.

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Friction Stir Back Extrusion (FSBE) is a new sustainable manufacturing process capable of producing fine grained lightweight tubular shapes. The objective of this work is to investigate the impact of rotational speed and feed rate on the mechanical properties, cycle time and power consumption of friction stir back extruded Mg AZ31-B tubes and determine the optimal settings. FSBE experiments and tensile tests were performed to characterize the mechanical properties of the produced tubes. The investigation is conducted utilizing Response Surface Methodology (RSM) and desirability multi-response

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37

Morishige, Taiki, Masato Tsujikawa, Sung Wook Chung, Sachio Oki, and Kenji Higashi. "Microstructure of Friction Stir Processed Mg-Y-Zn Alloy." Materials Science Forum 558-559 (October 2007): 777–80. http://dx.doi.org/10.4028/www.scientific.net/msf.558-559.777.

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Friction stir processing (FSP) is the effective method of the grain refinement for light metals. The aim of this study is to acquire the fine grained bulk Mg-Y-Zn alloy by ingot metallurgy route much lower in cost. Such bulk alloy can be formed by the superplastic forging. The microstructure of as-cast Mg-Y-Zn alloy was dendrite. The dendrite arm spacing was 72.5 [(m], and there are the lamellar structures in it. FSP was conducted on allover the plate of Mg-Y-Zn alloy for both surfaces by the rotational tool with FSW machine. The stirring passes were shifted half of the probe diameter every ex

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38

Bocchi, Sara, Gianluca D’Urso, and Claudio Giardini. "Numerical Modeling of a Sustainable Solid-State Recycling of Aluminum Scraps by Means of Friction Stir Extrusion Process." Materials 16, no. 12 (2023): 4375. http://dx.doi.org/10.3390/ma16124375.

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One of the most important purposes of the modern industry is a sustainable production, considering the minimization of the energy and of the raw materials used, together with the reduction of polluting emissions. In this context, Friction Stir Extrusion stands out, since it allows to obtain extrusions starting from metal scraps deriving from traditional mechanical machining processes (e.g., chips deriving from cutting operations), heated only by the friction generated between the scraps and the tool, so avoiding the material melting phase. Given the complexity of this new kind of process, the

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39

Li, Junchen, Xiangchen Meng, Yulong Li, Long Wan, and Yongxian Huang. "Friction stir extrusion for fabricating Mg-RE alloys with high strength and ductility." Materials Letters 289 (April 2021): 129414. http://dx.doi.org/10.1016/j.matlet.2021.129414.

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40

Zaeh, Michael F., Paul Gebhard, Sonja Huber, and Markus Ruhstorfer. "Bifocal Hybrid Laser Beam Welding and Friction Stir Welding of Aluminium Extrusion Components." Advanced Materials Research 43 (April 2008): 69–80. http://dx.doi.org/10.4028/www.scientific.net/amr.43.69.

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On a global market, new products are subject to rising requirements regarding strength and quality. Simultaneously, the conservation of the environment and natural resources has become a key priority. One approach to these demands is the weight reduction of mechanical components by lightweight construction. The Transregional Collaborative Research Center (TR 10), funded by the German Research Foundation (DFG), is therefore working on the “Integration of forming, cutting and joining for the flexible production of lightweight space structures”. The use of light metals, like aluminium and composi

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41

Baffari, Dario, Gianluca Buffa, Davide Campanella, and Livan Fratini. "Al-SiC Metal Matrix Composite production through Friction Stir Extrusion of aluminum chips." Procedia Engineering 207 (2017): 419–24. http://dx.doi.org/10.1016/j.proeng.2017.10.798.

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42

Ingarao, Giuseppe, Dario Baffari, Ellen Bracquene, Livan Fratini, and Joost Duflou. "Energy Demand Reduction Of Aluminum Alloys Recycling Through Friction Stir Extrusion Processes Implementation." Procedia Manufacturing 33 (2019): 632–38. http://dx.doi.org/10.1016/j.promfg.2019.04.079.

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43

Huang, Yongxian, Long Wan, Tifang Huang, Zongliang Lv, Li Zhou, and Jicai Feng. "The weld formation of self-support friction stir welds for aluminum hollow extrusion." International Journal of Advanced Manufacturing Technology 87, no. 1-4 (2016): 1067–75. http://dx.doi.org/10.1007/s00170-016-8591-7.

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44

Kim, Weon-Kyong, Si-Tae Won, and Byeong-Choon Goo. "A study on mechanical characteristics of the friction stir welded A6005-T5 extrusion." International Journal of Precision Engineering and Manufacturing 11, no. 6 (2010): 931–36. http://dx.doi.org/10.1007/s12541-010-0113-1.

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45

Buffa, Gianluca, Davide Campanella, Fabrizio Micari, and Livan Fratini. "Design and development of a new machine tool for continuous friction stir extrusion." CIRP Journal of Manufacturing Science and Technology 41 (April 2023): 391–400. http://dx.doi.org/10.1016/j.cirpj.2023.01.004.

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46

Evans, William T., Chase Cox, Brian T. Gibson, Alvin M. Strauss, and George E. Cook. "Two-sided friction stir riveting by extrusion: A process for joining dissimilar materials." Journal of Manufacturing Processes 23 (August 2016): 115–21. http://dx.doi.org/10.1016/j.jmapro.2016.06.001.

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47

Gelaw, Mengistu, Perumalla Janaki Ramulu, Dagmawi Hailu, and Tariku Desta. "Manufacturing and mechanical characterization of square bar made of aluminium scraps through friction stir back extrusion process." Journal of Engineering, Design and Technology 16, no. 4 (2018): 596–615. http://dx.doi.org/10.1108/jedt-02-2018-0030.

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Purpose The purpose of this paper is to manufacture an aluminium square cross-sectional bar by using conventional lathe machine from aluminium scraps through friction stir back extrusion (FSBE) process and study the viability of the process to produce the square bar. Design/methodology/approach The important tasks involved in this work are as follows: designing and manufacturing the chamber and plunger components used for experimental work, experimentally studying the thermo-mechanical progression of FSBE process on adapted conventional lathe machine and analyzing the relation between controll

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48

Ivanov, Alexey, Valery Rubtsov, Andrey Chumaevskii, et al. "Features of structure formation processes in AA2024 alloy joints formed by the friction stir welding with bobbin tool." Metal Working and Material Science 23, no. 2 (2021): 98–115. http://dx.doi.org/10.17212/1994-6309-2021-23.2-98-115.

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Introduction. One of friction stir welding types is the bobbin friction stir welding (BFSW) process, which allows to obtain welded joints in various configurations without using a substrate and axial embedding force, as well as to reduce heat loss and temperature gradient across the welded material thickness. This makes the BFSW process effective for welding aluminum alloys, which properties are determined by their structural-phase state. According to research data, the temperature and strain rate of the welded material have some value intervals in which strong defect-free joints are formed. A

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49

JAHANI, Amirhossein, Hamed JAMSHIDI AVAL, Mohammad RAJABI, and Roohollah JAMAATI. "Effect of extrusion speed on properties of Cu−5vol.%Ti2SnC composite wire fabricated by friction stir back extrusion process." Transactions of Nonferrous Metals Society of China 34, no. 3 (2024): 935–51. http://dx.doi.org/10.1016/s1003-6326(23)66444-1.

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Wang, Chunxia, Hongbo Cui, Xin Tang, and Kezhun He. "Friction-Stir Welding of a Wrought Al-Si-Mg Alloy in As-Fabricated and Heat-Treatment States." Materials 13, no. 4 (2020): 861. http://dx.doi.org/10.3390/ma13040861.

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Abstract:

A wrought Al-11.3Si-0.6Mg alloy under hot extrusion (T1), solution treatment (T4), and solution treatment + artificial aging (T6) states were friction stir welded at welding speed of 100 mm/min and rotation rate of 800 rpm. The effect of prior heat-treatment on the microstructure and mechanical properties of the welds were investigated. The results show that the microstructures of the nugget zones have little dependence on the initial states of the base material. In the nugget zones, complete recrystallized structures with equaxied grains in the Al matrix were formed under all conditions. The

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