Friction Stir Welding
Mostrando 13-24 de 66 artigos, teses e dissertações.
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13. Thermomechanical Modelling of FSW Process Using a Cylindrical Tool in an Aluminum Alloy Alclad AA 2024-T3
The Friction Stir Welding Process (FSW/P) is an innovative technique to join metals using the plasticity, not occurring the melting. It was initially applied in aluminum alloys, but recently it has been extended to other materials, for example, copper, steel alloys, polimers and others. In this work it is analyzed the thermo mechanical modelling of the energ
Mat. Res.. Publicado em: 07/05/2018
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14. Influência do Tipo de Liga de Alumínio na Formação de Defeitos em Soldaduras em Chapas Finas Unidas por Friction Stir Lap Welding
Resumo No presente trabalho são comparadas as soldabilidades de duas ligas de alumínio: a liga AA6082-T6, tratável termicamente, e a liga AA5754-H22, não-tratável termicamente. Foram produzidas soldaduras, em chapas finas, pelo processo Friction Stir Lap Welding (FSLW). Concluiu-se que apesar da utilização dos mesmos parâmetros e procedimentos de so
Soldag. insp.. Publicado em: 2018-03
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15. Dimensionamento de um Sistema Robotizado para a Soldagem pelo Processo Friction Stir Welding
Resumo: A primeira aplicação de um robô de soldagem pelo processo FSW (Friction Stir Welding) foi apresentada ao público em Gotemburgo, Suécia, no ano 2000, durante o Friction Stir Welding Symposium por dois diferentes grupos de pesquisa. Um grupo utilizava um robô antropomórfico modelo ABB IRB-6400 combinado a um motor elétrico de 220W e o outro um
Soldag. insp.. Publicado em: 21/12/2017
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16. Validação de um Sistema Robotizado Recém Desenvolvido para a Soldagem pelo Processo Friction Stir Welding por meio da União e Caracterização de Juntas da Liga de Alumínio 5052 H34
Resumo Este projeto trata da validação de um sistema recém desenvolvido para a soldagem pelo processo friction stir welding, que foi adaptado a um robô antropomórfico com capacidade de 500 kg e seis graus de liberdade. Para garantir que o sistema projetado é capaz de soldar materiais pelo processo FSW, ou seja, garantir que possui rigidez, resistência
Soldag. insp.. Publicado em: 21/12/2017
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17. Effects of Aging at 450°C on the Pitting Corrosion Resistance and Toughness of AISI 317L Steel Welded by GTAW and FSW
Austenitic stainless steels are high corrosion resistant alloys widely used in many industrial fields. Among this family of steels, AISI 317L stands out due to its higher localized corrosion resistance when compared to the traditional grades AISI 304L and AISI 316L. In some applications in oil refineries, the AISI 317L is being specified for services at mode
Mat. Res.. Publicado em: 17/11/2017
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18. Weldability Study of LM25/ZrO2 Composites by Using Friction Welding
ABSTRACT In this paper aluminum (LM25) alloy was chosen as a base matrix metal, and it was reinforced with 0, 3, 6, 9, 12% of Zirconium dioxide (ZrO2) particulates based on weight fraction method. Stir casting method was used to cast LM25/ZrO2 composite material. The cast samples were subjected to physical and mechanical test viz, density, hardness, tensile,
Matéria (Rio J.). Publicado em: 10/08/2017
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19. Microstructure and Residual Stresses in a Friction Stir Welded Butt Joint of as-cast ZK60 Alloy Containing Rare Earths
The effect of a travel speed of 200 mm/min as well as a tool rotational speed of 1200 rpm on butt joint quality of friction stir welding (FSW) ZK60 magnesium casting alloy containing 1.5 wt.% rare earths (ZK60-1.5RE) was investigated to determine microstructure and residual stresses. FSW results in the generation of heterogeneous metallurgical structures con
Mat. Res.. Publicado em: 27/04/2017
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20. Effect of Preheating on Microstructure and Tensile Properties of Friction Stir Welded AA7075 Aluminium Alloy Joints
ABSTRACT The high strength AA7075 aluminum alloy is commonly used in the aerospace components due to its exclusive mechanical properties like lightweight and high strength. This alloy cannot be welded by fusion welding techniques due to solidification cracking which severely degrade the mechanical properties of the joint. In contrast, through friction stir w
Braz. arch. biol. technol.. Publicado em: 23/01/2017
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21. Friction Stir Welding of AZ31 Magnesium Alloys - A Numerical and Experimental Study
Abstract In this paper, weldability of magnesium alloys by friction stir welding (FSW) method which is difficult to join by the fusion welding have been investigated experimentally and numerically. To this end, the connection of magnesium alloys was performed using different welding parameters. AZ31 Mg-alloy plates were friction stir welded at rotation speed
Lat. Am. j. solids struct.. Publicado em: 2017-01
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22. Soldabilidad de Polietileno de Alta Densidad Usando Soldadura por Fricción-agitación con una Herramienta de Hombro no Rotacional
Abstract: In this work was studied the weldability of high density polyethylene (HDPE) using friction stir welding (FSW) process, and two kind of tools, denominated conventional, and non-conventional tool, which has a non-rotating shoulder. Evaluation was performed using combination of parameters of rotation speed (vW) and welding speed (vA), which were adju
Soldag. insp.. Publicado em: 2016-12
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23. Influence of Interlayer Thickness (Zn) on the Properties of Al 7020 FSW Joints
The use of lightweight materials in the production of cryogenic tanks, spacecraft body etc. are becoming the need to develop dissimilar metal FSW joints. Friction stir welding (FSW) is a novel and inspired light metal joining process since it is not involved with the melting of the parent metal. In this work, two Aluminium 7020 plates were welded with Zn as
Mat. Res.. Publicado em: 10/06/2016
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24. Evolución Microestructural en Uniones de la Aleación Ti-6Al-4V Mediante el Proceso de Soldadura de Punto por Fricción-agitación
Abstract Friction stir spot welding (FSSW) is a process of recent development and interest, mainly in titanium alloys, since there are previous studies of aluminum alloys, magnesium, steel and polymers. Titanium alloys have a wide range of applications in the aeronautical industry, mainly in the components of commercial aircrafts as landing gear. Therefore,
Soldag. insp.. Publicado em: 2016-06