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Gas and arc welding

Direct modeling of material deposit and identification of energy transfer in gas metal arc welding

Direct modeling of material deposit and identification of energy transfer in gas metal arc welding

... of welding. A first class of models focuses on heat and fluid flow: “HFF” models address the physical phenomena occurring in the fusion zone: buoyancy, capillary and electromagnetic effects (Kim et ...

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Three dimensional Cellular Automaton – Finite Element (CAFE) modeling for the grain structures development in Gas Tungsten / Metal Arc Welding processes

Three dimensional Cellular Automaton – Finite Element (CAFE) modeling for the grain structures development in Gas Tungsten / Metal Arc Welding processes

... heat and melt the metal, later solidified behind ..., and projected on the CA mesh, 𝑇 , ...FE and CA meshes, i.e. FE elements and CA ...(t) and (t’) that the shape of 𝑇 contour changes ...

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Numerical simulation of welding positions in Gas Tungsten Arc Welding

Numerical simulation of welding positions in Gas Tungsten Arc Welding

... correct welding procedures for each new application can be very costly and time consuming, computations are welcome in order to understand the physics as well as to optimize the ...configuration ...

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Analysis of hybrid Nd:Yag laser-MAG arc welding processes.

Analysis of hybrid Nd:Yag laser-MAG arc welding processes.

... laser-arc welding process, a laser beam and an electric arc are coupled in order to combine the advantages of both processes: high welding speed, low thermal load and high depth ...

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Hybrid laser-arc welding of cast martensitic stainless steel ca6nm: post-weld tempered microstructure and mechanical properties

Hybrid laser-arc welding of cast martensitic stainless steel ca6nm: post-weld tempered microstructure and mechanical properties

... design and manufacturing are critical for achieving high performance with low operational and maintenance ...form and has high strength, good toughness and corrosion resistance (Bilmes, ...

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2016 — Hybrid/tandem laser-arc welding of thick low carbon martensitic stainless steel plates

2016 — Hybrid/tandem laser-arc welding of thick low carbon martensitic stainless steel plates

... multi-pass arc welding process is used for the assembly of thick components in CA6NM, both a large fusion zone (FZ) and heat-affected zone (HAZ) are usually ...laser-arc welding (HLAW) ...

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Assessment of HCLL-TBM optimum welding sequence scenario to minimize welding distortions

Assessment of HCLL-TBM optimum welding sequence scenario to minimize welding distortions

... the welding development of the following components: the Box and the Stiffening Grid (SG) made of vertical and horizontal Stiffening Plates (noted respectively v-SP and ...welds, Gas ...

8

Prediction of the weld shape in arc welding

Prediction of the weld shape in arc welding

... the arc welding process is presented. It deals with all arc welding process with and without filler metal (Gas Metal Arc Welding and Gas Tungsten ...

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(WD-360) Nineteenth and Eighteenth Reports of ARC

(WD-360) Nineteenth and Eighteenth Reports of ARC

... The Committee reviewed the draft report of the External Auditors, Ernst & Young, and held discussions with the Audit Partner, Mr. Juan José Guzmán, and the Audit Manager, Gonzalo Marín. Based on these ...

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Optimal soft arc consistency

Optimal soft arc consistency

... bound produced is then compared to the lower bound pro- duced by EDAC. The first set of instances processed are random Max-CSP created by the random vcsp generator 1 using the usual four parameters model. The aim here is ...

7

Developments in Nd :YAG laser welding

Developments in Nd :YAG laser welding

... mechanisms and future experiments should be focused on ...time and space resolution, improving, for example, present high-speed video imaging and/or X-ray shadowgraphy ...field and ...

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Welding Simulation of Cast Aluminium A356

Welding Simulation of Cast Aluminium A356

... more and more popular in industries thanks to their light weights, especially in the automotive manufacturing ...Moreover, welding of cast aluminium hollow parts is a new promising technical trend for ...

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Optimization of Aluminium Laser Welding Using Taguchi and EM Methods

Optimization of Aluminium Laser Welding Using Taguchi and EM Methods

... Effect of laser welding parameters such as power, out-of-focus length, speed, diameter of feeding wire and feeding speed on weld properties are studied.. The process parameters and their[r] ...

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Fast and Accurate Arc Filtering for Dependency Parsing

Fast and Accurate Arc Filtering for Dependency Parsing

... 3.3 Coarse-to-fine Parsing Another common method employed to speed up exhaustive parsers is a coarse-to-fine approach, where a cheap, coarse model prunes the search space for later, more expensive models (Charniak et ...

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Interfacial Reaction during Friction Stir Welding of Al and Cu

Interfacial Reaction during Friction Stir Welding of Al and Cu

... Cu and Al 4 Cu 9 phases. The nucleation and growth of these two phases are discussed and compared to the standard reactive interdiffusion reactions between Cu and ...generation, and ...

7

Linear Friction Welding of Aeronautical alloys Modeling and Numerical Simulation

Linear Friction Welding of Aeronautical alloys Modeling and Numerical Simulation

... 3. A. R. McAndrew, P. A. Colegrove, A. C. Addison, B. C. D. Flipo, M. J. Russell, and L. A. Lee. MATERIALS & DESIGN, 87, 1087- 1099 (2015). 4. R. Turner, J. C. Gebelin, R. M. Ward, and R. C. Reed. Acta ...

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Real-time gas recognition and gas unmixing in robot applications

Real-time gas recognition and gas unmixing in robot applications

... results and it should be removed in further ...once and has to be used several days, weeks or even months after its ...interesting and highly valuable to reproduce the results of Maho et ...

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Measuring techniques in gas–liquid and gas–liquid–solid reactors

Measuring techniques in gas–liquid and gas–liquid–solid reactors

... of gas/liquid processes in the re nery and petrochemical area In the petrochemical industry area, many processes are carried out using multiphase reactors since both gasand liquid—phase ...

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en fr Experimental and numerical study of an electric arc in liquid Etude expérimentale et numérique d'un arc électrique dans un liquide

... Dans le cas d’étude présenté, la visualisation par caméra rapide a permis de mettre en évidence la phase gazeuse de forme globalement sphérique contenant l’arc électrique. Les caractéristiques électriques de cet ...

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(WD-330) Fourteenth and Fifteenth Reports of the ARC

(WD-330) Fourteenth and Fifteenth Reports of the ARC

... Touche, and the draft management letter, and held discussions with the Audit Partner, ...Blanco, and the Manager, Audit Services, Grettel Loria ...standards and IICA’s ...

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