Academic literature on the topic 'Welding rods'

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Journal articles on the topic "Welding rods"

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Lee, Jung Won, Jong Hwan Kim, Ki Hwan Kim, Jeong Yong Park, and Sung Ho Kim. "Development of End Plug Welding Technique for SFR Fuel Rod Fabrication." Science and Technology of Nuclear Installations 2016 (2016): 1–9. http://dx.doi.org/10.1155/2016/9549805.

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In Korea, R&D on a sodium-cooled fast reactor (SFR) was begun in 1997, as one of the national long-term nuclear R&D programs. As one fuel option for a prototype SFR, a metallic fuel, U-Zr alloy fuel, was selected and is currently being developed. For the fabrication of SFR metallic fuel rods, the end plug welding is a crucial process. The sealing of the end plug to the cladding tube should be hermetically perfect to prevent a leakage of fission gases and to maintain a good reactor performance. In this study, the welding technique, welding equipment, welding conditions, and parameters w
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Rodionov, Igor K. "REINFORCEMENT OF STEEL TRUSS BY WELDING." Urban construction and architecture 7, no. 1 (2017): 26–29. http://dx.doi.org/10.17673/vestnik.2017.01.4.

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The paper presents experimentally obtained information about the features of the steel truss, reinforced under load by increasing the cross-section of compressed rods by welding. The tests were conducted on the bench using existing tooling. Two crossbeams and two panels of 24 m span corner truss upper chord with parallel chords were exposed to reinforcement. Increase of rods in thickness was obtained by welding of amplifier rod elements. The welding operation was conducted in a manual way to control its voltage and speed. After reinforcement the structure was loaded up to strength loss. During
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Tomczak, Janusz, Tomasz Bulzak, Zbigniew Pater, Łukasz Wójcik, and Tomasz Kusiak. "Skew Rolling of Bimetallic Rods." Materials 14, no. 1 (2020): 18. http://dx.doi.org/10.3390/ma14010018.

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The present article reports selected results of a preliminary study of the process of skew rolling of bimetallic rods. The experiments were conducted using a numerically controlled three-roller skew rolling mill. During the tests, bimetallic rods were rolled from billets whose cores and outer sleeves (bushings) were made of different types of steel. The results demonstrate that the proposed method can be successfully used in the production of bimetallic rods. However, proper fastening of the two materials depends on the geometrical parameters of the billets, and the quality of bimetallic rods
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Wang, Bin, Zhen Yang, Dong Mei Zhou, and Pei Shan Zhou. "Microstructure and Wearability of Surface Coating of Fe-Based Amorphous Core Welding Rod." Advanced Materials Research 154-155 (October 2010): 1384–88. http://dx.doi.org/10.4028/www.scientific.net/amr.154-155.1384.

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Based on the classic formula of J507 coated electrode,the welding rods were prepared by adding Fe41Co7Cr15Mo14C15B6Y2 Fe-based amorphous alloy or HO8A as welding core. The surface coating on Q235 was made by manual electric arc welding with two kinds of welding rods,while Ar2 gas is used to cool the weld layer. The microstructure and wearability of welded joint and the coating layer were investigated by the means of metallographic analysis, SEM,XRD and M-2000 wear tester.The results show that the coating layer is in the amorphous state,and the wearability of surface coating with Fe-based amorp
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Makhanlall, D., G. Wang, and J. Shen. "Thermodynamic optimum friction welding of glassy rods." Journal of Materials Processing Technology 213, no. 9 (2013): 1635–39. http://dx.doi.org/10.1016/j.jmatprotec.2013.04.002.

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Nguyen, Van Nhat, Quoc Manh Nguyen, Dang Thi Huong Thao, and Shyh Chour Huang. "An Investigation of Dissimilar Welding Aluminum Alloys to Stainless Steel by the Tungsten Inert Gas (TIG) Welding Process." Materials Science Forum 904 (August 2017): 19–23. http://dx.doi.org/10.4028/www.scientific.net/msf.904.19.

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Welding dissimilar materials has been widely applied in industries. Some of them are considered this as a strategy to develop their future technology products. Aluminum alloy and stainless steel have differences in physical, thermal, mechanical and metallurgic properties. However, selecting a suitable welding process and welding rods can solve this problem. This research aimed to investigate the T-joint welding between A6061 aluminum alloy and SUS304 stainless steel using new welding rods, Aluma-Steel by the Tungsten Inert Gas (TIG) welding process. The mechanical properties, the characteristi
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RODIONOV, Igor K., and Igor I. RODIONOV. "RESULTS OF EXPERIMENTAL RESEARCH OF THE WORK OF COMPRESSED RODS WITH GENERAL DEFORMATIONS, STRENGTHENED WITH WELDING." Urban construction and architecture 9, no. 1 (2019): 10–14. http://dx.doi.org/10.17673/vestnik.2019.01.2.

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The article presents experimentally obtained information about the features of the work of compressed models that simulate the rods of steel trusses of the coating. 9 rods of T-section, made up of paired angles, were tested. The rods were divided into 3 series: 1, 2 and 3. Series 1 - straight (reference); series 2 - curves with a common bend on the edge in the plane of connecting gaskets; series 3 - curves similar to rods of series 2, but amplifi ed under load by increasing the cross section. Elements of reinforcement - rods from the corners, similar to the caliber of corners of the main rods,
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Manh, Nguyen Quoc. "DISSIMILAR JOINING A6061 ALUMINUM ALLOY AND SUS304 STAINLESS STEEL BY THE TUNGSTEN INERT GAS WELDING PROCESS." Vietnam Journal of Science and Technology 54, no. 5A (2018): 64. http://dx.doi.org/10.15625/2525-2518/54/5a/12062.

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Welding dissimilar materials has been widely applied in industries. Some of them are considered this as a strategy to develop their future technology products. Aluminum alloy and stainless steel have differences in physical, thermal, mechanical and metallurgic properties. However, selecting a suitable welding process and welding rods can solve this problem. This research aimed to investigate the T-joint welding between A6061 aluminum alloy and SUS304 stainless steel using new welding rods, Aluma-Steel by the Tungsten Inert Gas (TIG) welding process. The mechanical properties, the characteristi
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Yoon, Ji Hyun, Bong Sang Lee, and Eui Pak Yoon. "Effects of Chemical Compositions of Welding Rods on J-R Fracture Resistances and Tensile Properties of Type 347 Welds." Materials Science Forum 539-543 (March 2007): 4105–10. http://dx.doi.org/10.4028/www.scientific.net/msf.539-543.4105.

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The objective of this investigation was to correlate the chemical composition of welding rods for gas tungsten arc welding with the fracture resistance and tensile properties of type 347 welds through the systematic tests and microstructural analyses. Five weld metals which differed in contents of carbon, nitrogen and niobium each other and a high δ-ferrite containing weld metal were deposited by the six different welding rods. J-R fracture resistance and tensile properties were evaluated for the type 347 welds. The microstructural examinations were performed to relate key microstructural feat
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Basmaci, Ayse, Seckin Filiz, and Mümin Şahin. "Experimental Analysis of Welded Rods with a Functionally Graded Material Approach." Applied Sciences 10, no. 11 (2020): 3908. http://dx.doi.org/10.3390/app10113908.

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In recent years, with the development of welding methods, using these methods in manufacturing industry and in advanced engineering has become more popular. In this study, mechanical properties of rods obtained by friction welding and electric arc welding are compared. Hence, three specimens with different material properties are manufactured, two of which are welded by friction welding and one of which is welded by electric arc welding. These three specimens are adapted to the ASTM E8-04 standard with the help of a universal lathe. Moreover, the tensile stress values and the elasticity modulu
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Dissertations / Theses on the topic "Welding rods"

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NEVES, MAURICIO D. M. das. "Soldagem de varetas combustiveis de aco inoxidavel para reatores nucleares." reponame:Repositório Institucional do IPEN, 1986. http://repositorio.ipen.br:8080/xmlui/handle/123456789/9877.

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Made available in DSpace on 2014-10-09T12:32:22Z (GMT). No. of bitstreams: 0<br>Made available in DSpace on 2014-10-09T14:10:26Z (GMT). No. of bitstreams: 1 12903.pdf: 6975224 bytes, checksum: a1cdb876db960cf944dfe544cb40e00b (MD5)<br>Dissertacao (Mestrado)<br>IPEN/D<br>Universidade Estadual de Campinas - UNICAMP/SP
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REZENDE, RENATO P. "Soldagem de juntas tubulares de aço inoxidável austenítico AISI 348 para varetas combustíveis em reatores nucleares." reponame:Repositório Institucional do IPEN, 2015. http://repositorio.ipen.br:8080/xmlui/handle/123456789/23883.

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Submitted by Claudinei Pracidelli (cpracide@ipen.br) on 2015-08-07T14:08:44Z No. of bitstreams: 0<br>Made available in DSpace on 2015-08-07T14:08:44Z (GMT). No. of bitstreams: 0<br>Dissertação (Mestrado em Tecnologia Nuclear)<br>IPEN/D<br>Instituto de Pesquisas Energeticas e Nucleares - IPEN-CNEN/SP
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Okuma, Renata Mayumi. "Influência do formato do cordão de solda na vida em fadiga de rodas de caminhão utilizando o processo de soldagem Tandem-MIG." Universidade de São Paulo, 2014. http://www.teses.usp.br/teses/disponiveis/97/97134/tde-24032015-170343/.

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Neste trabalho foram soldadas 4 amostras de rodas para veículos comerciais pelo processo de soldagem Tandem-MIG. Para cada amostra foram utilizados parâmetros de soldagem diferentes de modo a se obter formatos de cordão de solda distintos. O objetivo do trabalho foi avaliar a influência desses formatos de cordão de solda no desempenho em fadiga. Para os materiais utilizados, SAE1010AA e SAE1015A, foram realizados os seguintes ensaios: análise de composição química, análise micrográfica, levantamento das curvas tensão x deformação, medidas de microdureza Vickers e levantamento das curvas SN pel
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Wu, Yi Chen, and 吳宜蓁. "Ozone and Reactive Oxygen Species (ROS) of Multiple Interval Particles in the Welding Process." Thesis, 2007. http://ndltd.ncl.edu.tw/handle/94521036446970619859.

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碩士<br>弘光科技大學<br>職業安全與防災研究所<br>95<br>Many toxic substances (including heavy metals, ozone, carbon monoxide, carbon dioxide, and nitrogen oxides) are generated during welding. Ozone (O3) is a strong oxidant that generates reactive oxygen species (ROS) in tissue, and ambient ROS exposure associated with particles has been determined to causes DNA damage. ROS are thought to be generated during welding because welding generates a considerable number of particles. O3 is produced within 30 seconds during welding; however, the length of time that O3 remains in the air after welding has been completed
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Huang, Pao-ying, and 黃柏尹. "Theoretical and Experimental Studies on the Friction Stir Welding of Dissimilar Materials using an Embedded-rod Tool." Thesis, 2015. http://ndltd.ncl.edu.tw/handle/43757346344339553743.

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碩士<br>國立中山大學<br>機械與機電工程學系研究所<br>103<br>. In order to understand the temperature rise and the plastic flow of the workpiece in the friction stir spot lap welding (FSSLW) of dissimilar metals, a numerical model suitable for the embedded tool is established in this study. Theoretical results are compared with that of experimental measurements to verify the theoretical model. First, the simulation for the steel on steel FSSLW is conducted to calculate the time histories of the temperature rise and plastic flow of the workpiece. Results show that the rate of temperature rise is larger than that of
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Hsiao-ManCheng and 鄭曉蔓. "Characteristics of the emissions of welding fume and reactive oxygen species (ROS) from shipbuilding industries and their applications." Thesis, 2012. http://ndltd.ncl.edu.tw/handle/54909797620848163006.

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碩士<br>國立成功大學<br>環境醫學研究所<br>100<br>The objective of this study was to characterize welding fume and ROS emitted from different welding processes and parameters and apply above results to predit. A metal fume chamber was established to simulate two major welding processes (including flux core arc welding (FCAW) and gas metal arc welding (GMAW)) and three operating conditions of the low input power (120 A, 22 V), optimal input power (220 A, 26 V) and high input power (300 A, 30 V) for shipbuilding industries. It is also to measure welding fume concentration of worker during real operation and to
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Li, You-Jyun, and 李宥均. "Theoretical and Experimental Studies on the Heat Transfer and Material Flow during the Friction Stir Welding Process using an Embedded-rod Tool." Thesis, 2014. http://ndltd.ncl.edu.tw/handle/72921480315543098082.

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碩士<br>國立中山大學<br>機械與機電工程學系研究所<br>102<br>A friction model is proposed to investigate the heat transfer and the material flow during the friction stir welding (FSW) process using a plain tool and an embedded-rod tool. Results show that under identical welding parameters, the embedded-rod tool has higher interface temperature with larger range of material flow than that of plain tool. The stick/slip ratio between the tool and the specimen is predicted. The theoretical model is verified by measuring the histories of the temperature with examining the observations on the cross-section of specimens e
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Huang, I.-hsun, and 黃一勛. "Theoretical Studies on the Heat Transfer and Plastic Flow ofDissimilar Materials during Plunging Process inFriction Stir Welding Using an Embedded-Rod Tool." Thesis, 2016. http://ndltd.ncl.edu.tw/handle/39463006523773387721.

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碩士<br>國立中山大學<br>機械與機電工程學系研究所<br>104<br>The embedded-rod welding tools are used to conduct the friction stir spot welding for the lap of the low carbon steel and aluminum alloy sheets. The theoretical model is used to analyze this lap process and to explore the effects of operating parameters on the plastic flow and temperature distribution for the low carbon steel and aluminum sheets. When the Al alloy is placed on the top with the plunge depth of 3 mm, the maximum failure load can achieve 16 kN after 100 s lap welding, and the bonded region in this fractured surface is elliptic. Observing the
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Botelho, Ricardo Joaquim Araújo. "Otimização das características de um chassis tubular de automóvel de competição com tração a duas rodas motrizes." Master's thesis, 2015. http://hdl.handle.net/1822/39519.

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Dissertação de mestrado integrado em Engenharia Mecânica<br>A avaliação do desempenho estrutural consiste em determinar as propriedades estáticas e dinâmicas de um chassis que são obtidas em análises padrão independentes realizadas pelo método elementos finitos (MEF). Este estudo contribuiu para a construção duma nova versão dum chassis tubular espacial com maior eficiência estrutural, onde se pretende obter um baixo valor de massa e de risco de colapso e elevados valores de rigidez estrutural e de frequências naturais. Com esta investigação avaliou-se, desenvolveu-se, otimizou-se e dime
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Bogale, Belew Dagnew. "Socioeconomic impacts of road development in Ethiopia : case studies of Gendewuha - Gelago, Mile - Weldiya and Ginchi - Kachisi roads." Thesis, 2016. http://hdl.handle.net/10500/21195.

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Like many other economic and social activities that are infrastructure-intensive, the transport sector is an important component of the economy impacting on national, regional and local development as well as the welfare of citizens. An efficient transport infrastructure provides a multitude of socioeconomic opportunities and benefits with positive multiplier effects such as better accessibility to markets, employment, education and health. If it is well managed, transport infrastructure transforms the quality of life of residents through dynamic externalities it generates. But when infrastruc
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Books on the topic "Welding rods"

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Yao xin han si ji ying yong: Yaoxin hansi ji yingyong. Hua xue gong ye chu ban she, 2009.

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Mezhdunarodnai͡a shkola stran-chlenov SĖV "Svarka poroshkovoĭ provolokoĭ" (1st 1986 Sofia, Bulgaria). Metallurgicheskie i tekhnologicheskie problemy svarki poroshkovoĭ provolokoĭ: Doklady I Mezhdunarodnoĭ shkoly stran-chlenov SĖV "Svarka poroshkovoĭ provolokoĭ", Sofii͡a, aprelʹ 1986 g. Nauk. dumka, 1986.

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Boekholt, Richard. Present status in the use of cored wires for arc welding worldwide: I.I.W. Commission XII Project. International Institute of Welding, 1991.

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McIlwain, J. F. Fumes from shielded metal arc welding electrodes. U.S. Dept. of the Interior, Bureau of Mines, 1987.

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National Register of Foreign Collaborations (India) and India. Dept. of Scientific & Industrial Research., eds. Technology in Indian welding electrode industry: A status report prepared under the National Register of Foreign Collaborations. Govt. of India, Dept. of Scientific and Industrial Research, Ministry of Science & Technology, 1994.

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Specification for bare aluminum and aluminum-alloy welding electrodes and rods. American Welding Society, 1999.

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American Welding Society. Specification for Carbon Steel Electrodes and Rods for Gas Shielded Arc Welding. American Welding Society, 2005.

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American Welding Society. Committee on Filler Metals and Allied Materials., American Welding Society. Technical Activities Committee., American Welding Society, and American National Standards Institute, eds. Specification for nickel and nickel-alloy bare welding electrodes and rods. American Welding Society, 2005.

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American Welding Society. Specification for Nickel & Nickel Alloy Bare Welding Electrodes & Rods (A5.14-89) (American Welding Society (Standards)). American Welding Society, 1989.

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American Welding Society. Specification for Carbon & Low Alloy Steel Rods for Oxyfuel Gas Welding (American Welding Society (Standards)). American Welding Society, 1988.

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Book chapters on the topic "Welding rods"

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Yoon, Ji Hyun, Bong Sang Lee, and Eui Pak Yoon. "Effects of Chemical Compositions of Welding Rods on J-R Fracture Resistances and Tensile Properties of Type 347 Welds." In THERMEC 2006. Trans Tech Publications Ltd., 2007. http://dx.doi.org/10.4028/0-87849-428-6.4105.

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Gaillac, A., D. Duthoo, C. Vauglin, D. Carcey-Collet, F. Bay, and K. Mocellin. "Numerical Modeling of Fuel Rod Resistance Butt Welding." In Zirconium in the Nuclear Industry: 17th Volume. ASTM International, 2014. http://dx.doi.org/10.1520/stp154320120214.

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Shaik, Bazani, Gosala Harinath Gowd, and Bandaru Durga Prasad. "Investigations on Friction Stir Welding to Improve Aluminum Alloys." In Liquid Metals. IntechOpen, 2021. http://dx.doi.org/10.5772/intechopen.96250.

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Today is an era of metals including Aluminum alloys owing to a fundamental paradigm shift in research objectives. In addition to superior performance and lightweight criteria that are used to define the innovations of yore, scientists today are compelled to take into consideration the environment-friendliness of the new and novel materials being developed due to the concerns of maintaining a sustainable and safe existence. The solid-state Friction stir welding process has immense potential in the areas of automobiles, aerospace and construction industries due to its overwhelming advantages over the conventional fusion welding process of aluminum alloys. The thesis presents an experimental investigation of friction stir welding of dissimilar aluminum alloys AA7075T651 and AA6082T651. Mathematical modeling equations are developed to predict the tensile strength, impact strength, elongation, and micro-hardness of the dissimilar FSW joints AA7075T651 and AA6082T651. The process parameters are optimized for maximum tensile strength and hardness values. Post weld heat treatment is conducted and the metallurgical properties of the FS welded AA7075T651 and AA6082T651 are presented for different combinations of tool rotational speeds. Aluminum and its alloys are widely used in nonferrous alloys for many industrial applications. Aluminum exhibits a combination of an excellent mechanical strength with lightweight and thus it is steadily replacing steel in industrial applications where the strength to weight ratio plays a significant role. In conventional welding, the joining of aluminum is mainly associated with a high coefficient of thermal expansion, solidification shrinkage and dissolution of harmful gases in the molten metal during welding. The weld joints are also associated with segregation of secondary alloys and porosities which are detrimental to the joint qualities. Friction Stir Welding (FSW) and Friction Welding (FW) are the most popular emerging solid welding techniques in aircraft and shipbuilding industries. FSW is mainly used for the joining of metal plates and FW is mainly used for the joining of rods. Both techniques are suitable for high strength material having less weight. These techniques are environmentally friendly and easy to execute. Hence, the study of these techniques can contribute much to the field of green technology. This research work is dealt with the experimental and numerical investigations on FSW and FW of aluminum alloys.
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Malakhov, A. Yu, I. V. Saikov, and P. A. Nikolaenko. "FEATURES OF HIGH-RATE DEFORMATION OF COPPER–TITANIUM RODS DURING EXPLOSION WELDING." In Explosive Production of New Materials: Science, Technology, Business, and Innovations. TORUS PRESS, 2018. http://dx.doi.org/10.30826/epnm18-049.

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Bryzgalin, A. G., P. S. Shlonskii, S. D. Ventsev, and E. D. Pekar. "PROBLEMS OF EXPLOSION WELDING OF LONGLENGTH COAXIAL Cu + Al RODS WITH A THIN CLADDING LAYER." In Explosive Production of New Materials: Science, Technology, Business, and Innovations. TORUS PRESS, 2018. http://dx.doi.org/10.30826/epnm18-015.

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Sun, Xiaoguang, Xiaohui Han, Chaofang Dong, and Xiaogang Li. "Applications of Aluminum Alloys in Rail Transportation." In Aluminium Alloys [Working Title]. IntechOpen, 2021. http://dx.doi.org/10.5772/intechopen.96442.

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This chapter focus on the latest applications of aluminum alloys in rail transportation field. The typical high-strength aluminum alloys used on high speed train is introduced. The unique properties of aluminum alloys are analyzed. The detailed application is illustrated including car-body, gear box and axle box tie rod. The main challenges encountered in the application are also mentioned. The key manufacturing techniques, such as casting, forming, welding, are analyzed. Finally, the future improvement directions for better application is summarized. It is expected to set up a bridge for materials providers, equipment manufacturers and end-users, thereby promoting the advance of manufacturing technology and application of aluminum alloys in wider fields.
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Conference papers on the topic "Welding rods"

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Liu, Haodong, Fangyou Hu, Aiyong Cui, and Xiaofei Wang. "Study on Vertical Welding Experiment for General SHS Welding Rods." In International Conference on Education, Management, Computer and Society. Atlantis Press, 2016. http://dx.doi.org/10.2991/emcs-16.2016.223.

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Hu, Bingtao, Yixiong Feng, Yicong Gao, Hao Zheng, and Jianrong Tan. "A Digital Twin-Driven Improved Design Approach of Drawing Bench for Brazing Material." In ASME 2019 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference. American Society of Mechanical Engineers, 2019. http://dx.doi.org/10.1115/detc2019-97437.

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Abstract Brazing materials can be made into different shapes to meet the requirements of different scenarios and the welding rod is a very common form. The rough-processed welding rods must be properly finished by the drawing bench to remove the oxide film on the surface and made into a uniform diameter. However, the continuous welding rod often breaks resulting low production efficiency. To reduce the frequency of workers’ reconnection operation of broken welding rods, we proposed a digital twin-based approach to improve the design of the structure of the drawing bench. First, we established
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Wang, Xin, Minghao Liang, and Dayong Lu. "FRICTION WELDING OF HIGH-NB TIAL ALLOY AND 40CR STEEL RODS." In International Conference on New Materials and Intelligent Manufacturing (ICNMIM). Volkson Press, 2018. http://dx.doi.org/10.26480/icnmim.01.2018.262.264.

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Saheb, Shaik Himam, and Chandrashekhar A. "Experimental study on influence of filler rods in gas Tungsten Arc welding." In INTERNATIONAL CONFERENCE ON INVENTIVE MATERIAL SCIENCE APPLICATIONS : ICIMA 2019. AIP Publishing, 2019. http://dx.doi.org/10.1063/1.5131594.

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Lucas Thomaz Portilho, Larissa Ricardo de Oliveira Nogueira, and Jose Adilson de Castro. "Evaluation of resistance welding procedures suitable for the SAE 1008 wire rods." In 23rd ABCM International Congress of Mechanical Engineering. ABCM Brazilian Society of Mechanical Sciences and Engineering, 2015. http://dx.doi.org/10.20906/cps/cob-2015-2319.

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Hu, Yu, and Jianhong Wang. "Research on Manufacturing Technology of China Experimental Fast Reactor Fuel Rod." In 2016 24th International Conference on Nuclear Engineering. American Society of Mechanical Engineers, 2016. http://dx.doi.org/10.1115/icone24-60076.

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CEFR, which is the acronym of China Experimental Fast Reactor, as the fourth generation advanced nuclear power system, plays a very important role in the development of nuclear industry in the future. Currently, as a kind of study, has not yet formed a fuel rod and fuel assembly manufacturing company in China. Realizing the localization of fast reactor fuel rod, fuel assembly and equipment has a very positive meaning to China’s nuclear industry development. At the same time for the CJNF’s development, promoting the manufacture level and scientific research technology of product, the research p
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Liu, Haodong, Aiyong Cui, Fangyou Hu, and Xiaofei Wang. "The Influence of Welding Angle for the Joints Mechanical Properties with MSHS Vertical Rods." In International Conference on Education, Management, Computer and Society. Atlantis Press, 2016. http://dx.doi.org/10.2991/emcs-16.2016.308.

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Andrews, Richard E. "Canister Sealing for High Level Waste Encapsulation." In ASME 2001 8th International Conference on Radioactive Waste Management and Environmental Remediation. American Society of Mechanical Engineers, 2001. http://dx.doi.org/10.1115/icem2001-1319.

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Abstract Sweden has chosen to manage spent fuel rods by direct encapsulation and storage in a deep level repository. Two welding processes are being investigated for the sealing of copper vessels that form the outer barrier of the disposal canisters. TWI Ltd in the UK has developed Reduced Pressure Electron Beam Welding and Friction Stir Welding for 50mm thick copper. This paper describes some of the investigations and compares the techniques. Over the past 3 years a full-size canister welding machine has been designed and built. Specialised tools have been developed for the welding of thick s
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Tinoco, Hernan, Hans Lindqvist, Ylva Odemark, Carl-Maikel Ho¨gstro¨m, and Kristian Angele. "Flow Mixing Inside a Control-Rod Guide Tube: Part I—CFD Simulations." In 18th International Conference on Nuclear Engineering. ASMEDC, 2010. http://dx.doi.org/10.1115/icone18-29688.

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Two broken control rods and a large number of rods with cracks were found at the inspection carried out during the refueling outage of the twin reactors Oskarshamn 3 and Forsmark 3 in the fall of 2008. As a part of an extensive damage investigation, time dependent CFD simulations of the flow and the heat transfer in the annular region formed by the guide tube and control rod stem were carried out, [1]. The simulations together with metallurgical and structural analyses indicated that the cracks were initiated by thermal fatigue. The knowledge assembled at this stage was sufficient to permit th
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10

Kim, Jae-Yong, Kyung-Ho Yoon, and Hyung-Kyu Kim. "Realistically Improved Finite Element Analysis of Spring Supports in a Nuclear Fuel Spacer Grid." In 16th International Conference on Nuclear Engineering. ASMEDC, 2008. http://dx.doi.org/10.1115/icone16-48957.

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The most important function of grid springs in a spacer grid is to position the fuel rods appropriately using a friction force and to prohibit the fuel rods from dropping during a normal reactor operation. While the fuel burn-up increases, spring force of grid springs decreases because the spring stiffness of grid springs is degraded by a high temperature and an irradiation effect in a reactor core. Therefore this phenomenon has to be reflected when the initial spring force of a grid spring is being designed. Usually, characterization tests of grid springs are conducted to verify designed grid
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