TERMIUM Plus^®

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The second type of plasma jet torch is called the nontransferred arc torch. This torch extends the arc from the electrode, or the cathode, to the end of the nozzle. The nozzle acts as the anode. This type of plasma jet is completely independent of the workpiece, with the power supply contained within the equipment.  1, fiche 1, Anglais, - nontransferred%20arc

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Synonym provided by Dr. K. Winterton, Welding Section, Energy, Mines and Resources.  2, fiche 1, Anglais, - nontransferred%20arc

Fiche 1,  Justifications,  Français

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Type d'arc de plasma où toute la puissance électrique est dissipée entre les deux électrodes.  1, fiche 1, Français, - arc%20interne

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Trois modes de raccordement électrique sont généralement utilisés : l'arc interne, où toute la puissance électrique est dissipée entre les deux électrodes pour former un puissant jet de plasma dont on utilise les qualités de chaleur, température et vitesses pour le découpage par fusion au contact du jet.  1, fiche 1, Français, - arc%20interne

Fiche 1,  Justifications,  Espagnol

Fiche 2,  Justifications,  Anglais

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Radiant mulch : the answer to greenhouse heating.... An example is given of 5400 m² melons grown in polyethylene-clad tunnels, 33% of the ground area being covered by radiant mulch consisting of 2 sheets of 400 mu m gauge flexible PVC welded together by high frequency welding. The heated water passes through the mulch and acts as an energy reserve in addition to the solar energy entering the greenhouse.  2, fiche 2, Anglais, - radiant%20mulch

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In the first greenhouse the ridges between two tomato crop rows were covered with 3 flat black PVC tubes, used as a radiant mulch, obtaining in this way a 60% covering of the soil.  3, fiche 2, Anglais, - radiant%20mulch

Fiche 2,  Justifications,  Français

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Coussinet souple disposé autour de plantations sous serre, parcouru par un courant d'eau tiède et qui chauffe la terre et l'air ambiant principalement par rayonnement.  2, fiche 2, Français, - paillage%20radiant

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Le paillage radiant est un utile complément des capteurs dans les serres à chauffage solaire actif.  2, fiche 2, Français, - paillage%20radiant

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Fiche 3,  Justifications,  Anglais

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The making of a weld with electrical energy accumulated electrostatically, electromagnetically or electrochemically at a relatively low rate and made available at the required welding rate. [Definition standardized by the AWS. ]  2, fiche 3, Anglais, - stored%20energy%20welding

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stored energy welding : term standardized by the American Welding Society(AWS).  3, fiche 3, Anglais, - stored%20energy%20welding

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Fiche 4,  Justifications,  Anglais

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Any arc welding method in which the current is pulsed to utilize the advantages of the spray mode of metal transfer at average currents equal to or less than the globular to spray transition current. [Definition standardized by the AWS.]  2, fiche 4, Anglais, - pulsed%20spray%20welding

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Pulsed spray welding is a variation of the MIG welding process that is capable of all-position welding at higher energy levels than short circuiting arc welding. The power source provides two current levels; a steady "background" level, which is too low to produce spray transfer; and a "pulsed peak" current, which is superimposed upon the background current at a regulated interval. The pulse peak is well above the transition current, and usually one drop is transferred during each pulse. The combination of the two levels of current produces a steady arc with axial spray transfer at effective welding currents below those required for conventional spray arc welding. Because the heat input is lower, this variation in operation is capable of welding thinner sections than are practical with the conventional spray transfer.  3, fiche 4, Anglais, - pulsed%20spray%20welding

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pulsed spray welding: term standardized by the American Welding Society (AWS).  4, fiche 4, Anglais, - pulsed%20spray%20welding

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Fiche 4,  Justifications,  Espagnol

Fiche 5,  Justifications,  Anglais

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Electron beam and laser are high energy beam welding processes. Their focused and concentrated beams are capable of outputs equivalent to millions of watts per square inch.... we can identify electron beam and laser as energy processes which generate or create heat at and in the weld joint by conversion of beam energy to thermal energy.  2, fiche 5, Anglais, - high%20energy%20beam%20welding

Fiche 5,  Justifications,  Français

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Effet thermique : il produit le cycle échauffement/fusion/refroidissement et s'exerce essentiellement sous deux formes : - celle d'une source extérieure de chaleur transférée aux parties à souder et généralement ponctuelle et mobile; c'est le cas des procédés suivants, appelés également procédés par fusion : le soudage au chalumeau [,] le soudage à l'arc électrique [,] le soudage par faisceau haute énergie - celle d'une source de chaleur engendrée dans la matière elle-même, soit dans le plan de joint, soit de façon diffuse et qu'il convient de localiser. Cette source est fixe dans l'espace et il lui est associé l'effet mécanique évoqué ci-après.  1, fiche 5, Français, - soudage%20par%20faisceau%20%C3%A0%20haute%20%C3%A9nergie

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Fiche 6,  Justifications,  Anglais

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Inertia welding(friction welding) has become a viable production welding method for parts having radial symmetry such as compressor drums. In this process, the metal preparation procedures are the same as for other techniques. The essence of the method is to convert rotational kinetic energy into heat to bring about controlled degrees of fusion and extrusion. Inertia welding can be done in air.  5, fiche 6, Anglais, - Inertia%20welding

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Intertia friction welding. Two workpiece parts to be joined are clamped rigidly in a sturdy fixed unit usually called the tailstock fixture and a rotating chuck assembly or collet drive. The spindle assembly, which includes one of the workpieces and any required flywheels, is rapidly accelerated to a pre-calculated speed, storing the energy required for welding. The spindle is disconnected from the drive source and begins to freewheel. At the same time, the ram assembly moves the non-rotating part axially to force both workpieces together, also a predetermined calculated(lbs.) thrust load. While the workpieces are thrust tightly together, friction between the interfaces convert kinetic energy stored in the rotating spindle and flywheel assemblies into heat at the interface, and finally into mechanical working of the plastic metals.  3, fiche 6, Anglais, - Inertia%20welding

Fiche 6,  Justifications,  Français

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On a coutume de distinguer deux modes de soudage selon la façon dont on exécute la friction : - le soudage par friction pilotée (FP) ou encore par entraînement direct ou conventionnel ( en anglais, continuous drive); - le soudage par friction inertielle (FI) ou encore par accumulation d'énergie (en anglais, Inertia welding, Inertia étant une marque de fabrique déposée par son inventeur). Ils donnent lieu à des assemblages identiques mais ont en pratique des domaines d'application distincts.  1, fiche 6, Français, - soudage%20par%20friction%20inertielle

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Fiche 7,  Justifications,  Anglais

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An alternating-current generator designed for providing electric energy to one or more welding arcs.  1, fiche 7, Anglais, - welding%20alternator

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Fiche 8,  Justifications,  Anglais

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Coupled rotating machines for producing electrical energy in a form suitable for arc welding from less suitable forms of electrical supply.  1, fiche 8, Anglais, - motor%2Dgenerator%20for%20welding

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Fiche 8,  Justifications,  Espagnol

Fiche 9,  Justifications,  Anglais

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A transformer designed to convey electric energy to one or more welding arcs.  1, fiche 9, Anglais, - arc%2Dwelding%20transformer

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