Exploració per tema "Friction stir welding"
Ara es mostren els items 1-20 de 35
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A novel stress-accurate FE technology for highly non-linear analysis with incompressibility constraint: application to the numerical simulation of the FSW process
(American Institute of Physics (AIP), 2013)
Text en actes de congrés
Accés restringit per política de l'editorialIn this work a novel finite element technology based on a three-field mixed formulation is presented. The Variational Multi Scale (VMS) method is used to circumvent the LBB stability condition allowing the use of linear ... -
An accurate approach to simulate friction stir welding processes using adaptive formulation refinement
(Elsevier, 2023-07-07)
Article
Accés restringit per política de l'editorialA novel Adaptive Formulation Refinement (AFR) strategy for Friction Stir Welding (FSW) problems is presented. In FSW, the accurate computation of strains is crucial to correctly predict the highly non-linear material ... -
Analysis of contact conditions and its influence on strain rate and temperature in Friction Stir Welding
(2021-02)
Article
Accés obertIn friction stir welding (FSW), the real contact conditions between the tool and the workpiece and the range of strain rates experienced remain quite unclear. In this work, a coupled 3D thermo-mechanical numerical model ... -
Ball burnishing of friction stir welded aluminum alloy 2024-T3: experimental and numerical studies
(Multidisciplinary Digital Publishing Institute (MDPI), 2022-08-28)
Article
Accés obertThis paper deals with the improvement of the material surface state of friction stir welding paths modified in situ by plastic deformation through ball burnishing. The metallurgical and topological states of materials ... -
Challenges to be tackled in the computational modeling and numerical simulation of FSW processes
(MDPI Books, 2019)
Capítol de llibre
Accés obertThe computational modeling and numerical simulation of Friction StirWelding (FSW) processes is an extremely challenging task due to the highly nonlinear and coupled nature of the physical problem and the complex computational ... -
Challenges to be tackled in the computational modeling and numerical simulation of FSW processes
(Multidisciplinary Digital Publishing Institute (MDPI), 2019-05)
Article
Accés obertThe computational modeling and numerical simulation of Friction StirWelding (FSW) processes is an extremely challenging task due to the highly nonlinear and coupled nature of the physical problem and the complex computational ... -
Comportement à corrosion de l'aluminium 2050-T3 et post-traitement T8 sur friction stir welding
(Universitat Politècnica de Catalunya / Ecole Nationale d'Ingénieurs de Tarbes, 2011)
Projecte/Treball Final de Carrera
Accés restringit per decisió de l'autorStudy about the corrosion behavior in 2050 T3 Al-Cu-Li ally when is used the Friction Stir Welding gor joint as a improved technique comparing with the usual (Laser, TIG, MIG, etc...). This procedure permits the union in ... -
Corrosion behavior and microstructural characterization of friction stir welded API X70 steel
(2021-08)
Article
Accés obertFriction stir welding (FSW) is an excellent alternative process used in pipelines circumferential welds due to fusion welded joint low corrosion resistance. This study describes the corrosion resistance as a function of ... -
Defect formation and material flow in Friction Stir Welding
(2020-03)
Article
Accés obertThis work addresses the issue of the simulation and prediction of defect formation through the analysis of the material mixing during Friction Stir Welding (FSW). A coupled thermomechanical model is used for the FSW ... -
Effect of the tool tilt angle on the heat generation and the material flow in friction stir welding
(Multidisciplinary Digital Publishing Institute (MDPI), 2019-01)
Article
Accés obertThis work studies the effect of the tool tilt angle on the generated heat and the material flow in the work pieces joint by Friction Stir Welding (FSW). An apropos kinematic framework together with a two-stage speed-up ... -
Effect of the tool tilt angle on the heat generation and the material flow in Friction Stir Welding
(Multidisciplinary Digital Publishing Institute (MDPI), 2019)
Capítol de llibre
Accés obertThis work studies the effect of the tool tilt angle on the generated heat and the material flow in the work pieces joint by Friction Stir Welding (FSW). An apropos kinematic framework together with a two-stage speed-up ... -
Enhanced friction model for Friction Stir Welding (FSW) analysis: simulation and experimental validation
(2017-11)
Article
Accés obertFriction is one of the main heat generation mechanisms in Friction Stir Welding (FSW). This phenomenon occurs between the pin and the workpiece as the rotating tool moves along the weld line. An accurate friction model is ... -
Features of interface formation in crystallites under mechanically activated diffusion. A molecular dynamics study.
(CIMNE, 2015)
Comunicació de congrés
Accés obertIn this paper, we carried out investigation of behavior of the material under loading condition identical those used in FSW using molecular dynamic method. The loading was modelled by a rigid rotating “tool” that movies ... -
Fracture toughness assessment at different temperatures and regions within a friction stirred API 5L X80 steel welded plates
(2015-10)
Article
Accés restringit per política de l'editorialFriction stir welding (FSW) is a promising candidate for use in pipeline steels because it offers high productivity and sound welded joints. This study presents a fracture toughness assessment of FSW-welded two-pass butt ... -
Friction Stir Welding and processing in alloy manufacturing
(MDPI Books, 2019)
Llibre
Accés obertThis MDPI book is the printed copy edition of the Special Issue (SI) 'Friction Stir Welding and Processing in Alloy Manufacturing' that was previously published online in the open access journal Metals. The book collects ... -
Friction Stir Welding and Processing of Aluminium Alloys
(Universitat Politècnica de Catalunya / AGH University of Science and Technology, 2011)
Projecte/Treball Final de Carrera
Accés restringit per decisió de l'autor
Realitzat a/amb: Akademia Górniczo-Hutnicza im. S. Staszica w KrakowieFriction Stir Welding is a method which joint different materials that in traditional weld it can’t be welded. This technique improves properties of materials because to be weld materials don’t pass to the liquid-state, ... -
Friction stir welding of AA2024-T3: development of numerical simulation considering thermal history and heat generation
(2021-05-15)
Article
Accés obertThis paper proposes a finite element model implemented in ANSYS using Lagrangian formulation to assess heat generation and friction dynamics of a friction stir welding process on AA2024-T3 aluminum plates. For that aim, ... -
Hydrogen-induced cracking and corrosion behavior of friction stir welded plates of API 5L X70 pipeline steel
(2021-08)
Article
Accés obertThe use of friction stir welding (FSW) has proven to be an excellent alternative to join engineering components. Although FSW has had a significant development in recent years, challenges for new applications have been ... -
Influence of hydrogen on the microstructure and fracture toughness of friction stir welded plates of API 5L X80 pipeline steel
(2019-08)
Article
Accés obertIn this work, the influence of hydrogen on the microstructure and fracture toughness of API 5L X80 high strength pipeline steel welded by friction stir welding was assessed. Samples were hydrogenated at room temperature ... -
Investigation of material flow and thermomechanical behavior during friction stir welding of an AZ31B alloy for threaded and unthreaded pin geometries using computational solid mechanics simulation
(2021-10)
Article
Accés obertIn the friction stir welding process, the tool role in the material flow and its thermomechanical behavior is still not entirely understood. Several modeling approaches attempted to explain the material and tool relationship, ...