TERMIUM Plus®
The Government of Canada’s terminology and linguistic data bank.
PLASMA ARC WELDING [10 records]
Record 1 - internal organization data 2011-09-07
Record 1, English
Record 1, Subject field(s)
- Welding - Various Processes
Record 1, Main entry term, English
- plasma arc welding
1, record 1, English, plasma%20arc%20welding
correct, standardized, officially approved
Record 1, Abbreviations, English
- PAW 2, record 1, English, PAW
correct, standardized, officially approved
Record 1, Synonyms, English
- plasma welding 3, record 1, English, plasma%20welding
correct
Record 1, Textual support, English
Record number: 1, Textual support number: 1 DEF
An arc welding process which produces coalescence of metals by heating them with a constricted arc between an electrode and the workpiece (transferred arc) or the electrode and the constricting nozzle (nontransferred arc). [Definition standardized by the AWS.] 4, record 1, English, - plasma%20arc%20welding
Record number: 1, Textual support number: 1 OBS
Shielding is obtained from the hot, ionized gas issuing from the orifice which may be supplemented by an auxiliary source of shielding gas. Shielding gas may be an inert gas or a mixture of gases. Pressure may or may not be used, and filler metal may or may not be supplied. 4, record 1, English, - plasma%20arc%20welding
Record number: 1, Textual support number: 2 OBS
plasma arc welding; PAW : term and abbreviation standardized by the American Welding Society(AWS) ;plasma arc welding : term standardized by ISO. 5, record 1, English, - plasma%20arc%20welding
Record number: 1, Textual support number: 3 OBS
plasma arc welding; PAW : term and abbreviation standardized by the CSA International. Material reproduced with the permission of the copyright holder, the Canadian Standards Association(CSA), 178 Rexdale Blvd., Toronto, Ontario, Canada M9W 1R3. However, CSA shall not be responsible for the manner in which the information is presented, nor for any interpretations thereof. This CSA material may not have been updated to reflect amendments subsequently made to the original content. For further information, contact CSA International. 5, record 1, English, - plasma%20arc%20welding
Record number: 1, Textual support number: 4 OBS
plasma arc welding; PAW : term and abbreviation officially approved by the Lexicon Project Committee(New Brunswick). 6, record 1, English, - plasma%20arc%20welding
Record 1, French
Record 1, Domaine(s)
- Procédés de soudage divers
Record 1, Main entry term, French
- soudage au plasma
1, record 1, French, soudage%20au%20plasma
correct, masculine noun, standardized
Record 1, Abbreviations, French
Record 1, Synonyms, French
- soudage plasma 2, record 1, French, soudage%20plasma
correct, masculine noun, standardized, officially approved
- procédé PAW 3, record 1, French, proc%C3%A9d%C3%A9%20PAW
correct, masculine noun, standardized, officially approved
- soudage au jet de plasma 4, record 1, French, soudage%20au%20jet%20de%20plasma
correct, masculine noun, officially approved
- soudage à jet de plasma 5, record 1, French, soudage%20%C3%A0%20jet%20de%20plasma
correct, masculine noun
- soudage à l'arc au plasma 6, record 1, French, soudage%20%C3%A0%20l%27arc%20au%20plasma
masculine noun
Record 1, Textual support, French
Record number: 1, Textual support number: 1 DEF
Procédé de soudage à l'arc dans lequel on assure la fusion en chauffant à l'aide d'un jet de plasma, obtenu par la constriction d'un arc (dans un gaz plasmagène) qui jaillit entre l'électrode et la pièce (arc transféré) ou entre l'électrode et la buse (arc non transféré). [Définition normalisée par l'ISO.] 1, record 1, French, - soudage%20au%20plasma
Record number: 1, Textual support number: 1 OBS
La protection est assurée par un écoulement de gaz auxiliaire. Il peut y avoir adjoint de produit d'apport. 7, record 1, French, - soudage%20au%20plasma
Record number: 1, Textual support number: 2 OBS
soudage au plasma : terme normalisé par l'ISO. 7, record 1, French, - soudage%20au%20plasma
Record number: 1, Textual support number: 3 OBS
soudage plasma; procédé PAW : termes normalisés par la CSA International. Reproduit avec l'autorisation de l'Association canadienne de normalisation (CSA), 178, boul. Rexdale, Toronto (Ontario), Canada M9W 1R3 (détentrice des droits d'auteur). La CSA décline toute responsabilité quant à la façon dont la matière est présentée et quant à toute interprétation pouvant en découler. L'information reproduite pourrait ne pas être à jour. Pour plus de renseignements, communiquer avec la CSA International. 7, record 1, French, - soudage%20au%20plasma
Record number: 1, Textual support number: 4 OBS
soudage plasma; procédé PAW; soudage au jet de plasma : termes uniformisés par le Comité du projet de lexiques (Nouveau-Brunswick). 8, record 1, French, - soudage%20au%20plasma
Record 1, Spanish
Record 1, Textual support, Spanish
Record 2 - internal organization data 2011-06-01
Record 2, English
Record 2, Subject field(s)
- Oxygen Cutting (Metals)
Record 2, Main entry term, English
- plasma arc cutting
1, record 2, English, plasma%20arc%20cutting
correct, standardized, officially approved
Record 2, Abbreviations, English
- PAC 2, record 2, English, PAC
correct, standardized, officially approved
Record 2, Synonyms, English
- plasma-arc cutting 3, record 2, English, plasma%2Darc%20cutting
correct
Record 2, Textual support, English
Record number: 2, Textual support number: 1 DEF
An arc cutting process that severs metals by melting a localized area with heat from a constricted arc and removing the molten metal with a high-velocity jet of hot, ionized gas issuing from the plasma torch. 3, record 2, English, - plasma%20arc%20cutting
Record number: 2, Textual support number: 1 OBS
arc cutting: A group of cutting processes that melt the metals to be cut with the heat of an arc between an electrode and the base metal. 3, record 2, English, - plasma%20arc%20cutting
Record number: 2, Textual support number: 2 OBS
plasma arc cutting; PAC : term and abbreviation standardized by the American Welding Society(AWS). 4, record 2, English, - plasma%20arc%20cutting
Record number: 2, Textual support number: 3 OBS
plasma arc cutting; PAC: term and abbreviation standardized by the CSA International. Material reproduced with the permission of the copyright holder, the Canadian Standards Association (CSA), 178 Rexdale Blvd., Toronto, Ontario, Canada M9W 1R3. However, CSA shall not be responsible for the manner in which the information is presented, nor for any interpretations thereof. This CSA material may not have been updated to reflect amendments subsequently made to the original content. For further information, contact CSA International. 4, record 2, English, - plasma%20arc%20cutting
Record number: 2, Textual support number: 4 OBS
plasma arc cutting; PAC: term and abbreviation officially approved by the Lexicon Project Committee (New Brunswick). 5, record 2, English, - plasma%20arc%20cutting
Record 2, French
Record 2, Domaine(s)
- Oxycoupage
Record 2, Main entry term, French
- coupage plasma
1, record 2, French, coupage%20plasma
correct, masculine noun, standardized, officially approved
Record 2, Abbreviations, French
Record 2, Synonyms, French
- procédé PAC 1, record 2, French, proc%C3%A9d%C3%A9%20PAC
correct, masculine noun, standardized, officially approved
- coupage au jet de plasma 2, record 2, French, coupage%20au%20jet%20de%20plasma
correct, masculine noun, officially approved
- découpage par jet de plasma 3, record 2, French, d%C3%A9coupage%20par%20jet%20de%20plasma
masculine noun
Record 2, Textual support, French
Record number: 2, Textual support number: 1 CONT
Découpage par jet de plasma. [...] Dans ce système, le courant de gaz [...], contraint de passer dans l'arc électrique qui s'établit entre une électrode de tungstène et la pièce à découper, acquiert une température très élevée [...] et une grande vitesse à la sortie de la buse. Ce jet de plasma permet d'exécuter des découpes parfaites sur les métaux et les alliages qui ne peuvent être découpés, ou le sont difficilement, par oxycoupage [...] 3, record 2, French, - coupage%20plasma
Record number: 2, Textual support number: 1 OBS
coupage plasma; procédé PAC : termes normalisés par la CSA International. Reproduit avec l'autorisation de l'Association canadienne de normalisation (CSA), 178, boul. Rexdale, Toronto (Ontario), Canada M9W 1R3 (détentrice des droits d'auteur). La CSA décline toute responsabilité quant à la façon dont la matière est présentée et quant à toute interprétation pouvant en découler. L'information reproduite pourrait ne pas être à jour. Pour plus de renseignements, communiquer avec la CSA International. 4, record 2, French, - coupage%20plasma
Record number: 2, Textual support number: 2 OBS
coupage plasma; procédé PAC; coupage au jet de plasma : termes uniformisés par le Comité du projet de lexiques (Nouveau-Brunswick). 5, record 2, French, - coupage%20plasma
Record 2, Spanish
Record 2, Textual support, Spanish
Record 3 - internal organization data 2003-10-06
Record 3, English
Record 3, Subject field(s)
- Equipment and Plant (Metallurgy)
- Metal-Coating
Record 3, Main entry term, English
- plasma gun
1, record 3, English, plasma%20gun
correct
Record 3, Abbreviations, English
Record 3, Synonyms, English
- plasma torch 2, record 3, English, plasma%20torch
correct
- plasma spray gun 3, record 3, English, plasma%20spray%20gun
correct
Record 3, Textual support, English
Record number: 3, Textual support number: 1 DEF
A torch in which temperatures as high as 50, 000º are achieved by injecting a plasma gas tangentially into an electric arc formed between electrodes in a chamber; the resulting vortex of hot gases emerges at very high speed through a hole in the negative electrode, to form a jet for welding, spraying of molten metal, and cutting of hard rock or hard metals. 4, record 3, English, - plasma%20gun
Record number: 3, Textual support number: 1 CONT
Vacuum Plasma Deposition (VPD). A thermal spraying process variation utilizing a plasma gun confined to a solid enclosure. The enclosure is evacuated and the spraying performed under low pressure, usually below 10 Toff. Also Vacuum Plasma Spray, Low Pressure Plasma Spray (LPPS). 1, record 3, English, - plasma%20gun
Record number: 3, Textual support number: 1 OBS
Highly refractory coating materials such as oxides, carbides, and nitrides, can be applied by plasma-arc spraying. In this process temperatures of 20,000°F (12,000°C) or more may be produced by partially ionizing a gas (nitrogen or argon) in an electric arc and passing the gas through a small orifice to produce a jet of hot gas moving at high velocity. 5, record 3, English, - plasma%20gun
Record 3, French
Record 3, Domaine(s)
- Équipement et matériels (Métallurgie)
- Métallisation
Record 3, Main entry term, French
- pistolet à plasma
1, record 3, French, pistolet%20%C3%A0%20plasma
correct, masculine noun
Record 3, Abbreviations, French
Record 3, Synonyms, French
- pistolet plasma 2, record 3, French, pistolet%20plasma
correct, masculine noun
- torche à plasma 3, record 3, French, torche%20%C3%A0%20plasma
correct, feminine noun
- chalumeau à plasma 4, record 3, French, chalumeau%20%C3%A0%20plasma
correct, masculine noun
Record 3, Textual support, French
Record number: 3, Textual support number: 1 CONT
Revêtement par projection de métaux [...] Pistolets à plasma. Ils sont [...] du type à poudre. Un tel pistolet est constitué par une cathode en tungstène thorié et une base anode en cuivre [...] percée d'un ajutage étroit. Si l'on fait jaillir l'arc entre l'anode et la cathode et que l'on force un gaz (généralement de l'argon ou de l'azote) à passer dans cet arc, il est ionisé et, la température étant très élevée [...] il est éjecté par cet ajutage à une vitesse voisine de la vitesse sonique. Si l'on introduit dans cette chambre un matériau en poudre fine, il est instantanément fondu et pulvérisé violemment sur la surface à recouvrir. 5, record 3, French, - pistolet%20%C3%A0%20plasma
Record 3, Spanish
Record 3, Textual support, Spanish
Record 4 - internal organization data 2002-11-01
Record 4, English
Record 4, Subject field(s)
- Metallurgy - General
Record 4, Main entry term, English
- metal burning 1, record 4, English, metal%20burning
Record 4, Abbreviations, English
Record 4, Synonyms, English
- burning 2, record 4, English, burning
Record 4, Textual support, English
Record number: 4, Textual support number: 1 CONT
Welding fumes comprise: mostly residual dust associated with metal burning and electrode burning, typically in the 0.5 micron to 1.0 micron range. 1, record 4, English, - metal%20burning
Record number: 4, Textual support number: 2 CONT
Several chemical definitions relate to welding. One is known as burning or oxidation. This takes place when any substance combines with oxygen usually at high temperatures. An example of this is the combining of acetylene with oxygen. This produces carbon dioxide plus water plus a large amount of heat. We use the heat produced by the burning of acetylene in the flame of the oxyacetylene torch to make welds. 3, record 4, English, - metal%20burning
Record number: 4, Textual support number: 3 CONT
The Welding and Metals Fabrication Program provides students with instruction, practical experience, and related theory in shielded metal arc welding, gas metal arc welding, flux-cored arc welding, gas tungsten arc welding, manual and automatic oxyacetylene burning, brazing, soldering, air carbon arc gouging, and plasma arc gouging and cutting. 4, record 4, English, - metal%20burning
Record number: 4, Textual support number: 4 CONT
Fabricating - Cincinnati Burning Equipment. One MG Thermal Cutting Center CNC Controlled-3 Oxy/Fuel Torches to 8" Mild Steel and 1 Plasma Torch to 2" Stainless Steel. ... One Cybermation 400 Numerically Controlled Plasma Burner. 5, record 4, English, - metal%20burning
Record 4, Key term(s)
- burning of metals
Record 4, French
Record 4, Domaine(s)
- Métallurgie générale
Record 4, Main entry term, French
- brûlage d'un métal
1, record 4, French, br%C3%BBlage%20d%27un%20m%C3%A9tal
masculine noun
Record 4, Abbreviations, French
Record 4, Synonyms, French
- brûlage 2, record 4, French, br%C3%BBlage
masculine noun
Record 4, Textual support, French
Record number: 4, Textual support number: 1 CONT
La patine au feu permet d'obtenir toute une gamme de couleurs jaune, rouge, noir caractérisées par leur aspect ombré. Il s'agit d'un brûlage du métal à la flamme sur une surface désoxydée et dégraissée. L'opération se pratique au chalumeau. Le résultat est fonction de l'orientation de la flamme, de son intensité, de la durée de l'exposition au feu et du tour de main de l'opérateur. 1, record 4, French, - br%C3%BBlage%20d%27un%20m%C3%A9tal
Record number: 4, Textual support number: 2 CONT
Acier laminé à chaud. [...] Des opérations telles que le soudage, le brûlage, le meulage ou l'usinage peuvent avoir des effets aigus ou chroniques sur la santé par voie d'inhalation. 2, record 4, French, - br%C3%BBlage%20d%27un%20m%C3%A9tal
Record 4, Key term(s)
- brûlage de métaux
Record 4, Spanish
Record 4, Textual support, Spanish
Record 5 - internal organization data 2002-08-13
Record 5, English
Record 5, Subject field(s)
- Welding - Various Processes
Record 5, Main entry term, English
- plasma-keyhole welding process 1, record 5, English, plasma%2Dkeyhole%20welding%20process
Record 5, Abbreviations, English
Record 5, Synonyms, English
- plasma-keyhole welding 1, record 5, English, plasma%2Dkeyhole%20welding
- plasma-keyhole method 1, record 5, English, plasma%2Dkeyhole%20method
Record 5, Textual support, English
Record number: 5, Textual support number: 1 CONT
The plasma-keyhole method is a welding process where the gas flow is restricted through a reduction of the gas orifice. This increases the gas velocity and the arc temperature. Severe constriction of the gas flow produces a cutting arc, which is utilised in plasma arc cutting(PAC). The plasma arc blows a hole through the joint of the plate. Behind the hole the molten metal flows together filling the hole, due to the gravity forces, surface tension and the gas pressure from the shielding gas. 1, record 5, English, - plasma%2Dkeyhole%20welding%20process
Record 5, French
Record 5, Domaine(s)
- Procédés de soudage divers
Record 5, Main entry term, French
- soudage plasma par trou de serrure
1, record 5, French, soudage%20plasma%20par%20trou%20de%20serrure
masculine noun
Record 5, Abbreviations, French
Record 5, Synonyms, French
Record 5, Textual support, French
Record number: 5, Textual support number: 1 OBS
Voir la fiche soudage par trou de serrure. 1, record 5, French, - soudage%20plasma%20par%20trou%20de%20serrure
Record 5, Spanish
Record 5, Textual support, Spanish
Record 6 - internal organization data 1999-02-09
Record 6, English
Record 6, Subject field(s)
- Arc Welding
Record 6, Main entry term, English
- welding-grade argon
1, record 6, English, welding%2Dgrade%20argon
see observation
Record 6, Abbreviations, English
Record 6, Synonyms, English
Record 6, Textual support, English
Record number: 6, Textual support number: 1 OBS
Grade. Any of a number of purity standards for chemical products established by various specifications. 2, record 6, English, - welding%2Dgrade%20argon
Record number: 6, Textual support number: 2 OBS
Argon : Use : Inert gas shield in arc welding, furnace brazing, plasma jet torches(with hydrogen),... 2, record 6, English, - welding%2Dgrade%20argon
Record 6, French
Record 6, Domaine(s)
- Soudage à l'arc
Record 6, Main entry term, French
- argon qualité soudage
1, record 6, French, argon%20qualit%C3%A9%20soudage
proposal, see observation, masculine noun
Record 6, Abbreviations, French
Record 6, Synonyms, French
- argon catégorie soudage 1, record 6, French, argon%20cat%C3%A9gorie%20soudage
proposal, see observation, masculine noun
Record 6, Textual support, French
Record number: 6, Textual support number: 1 OBS
qualité: Critère permettant de distinguer, de hiérarchiser dans une même gamme de produits; catégorie (avec un adjectif, une apposition ou un complément) [...] 2, record 6, French, - argon%20qualit%C3%A9%20soudage
Record number: 6, Textual support number: 2 OBS
On emploie l'argon pour le remplissage des ampoules à incandescence à atmosphère gazeuse, dans certains tubes à gaz r aréfiés, dans les laboratoires, ainsi que dans le soudage ou la coupe à l' arc électrique et dans la fabrication de cristaux de silicium, où il constitue une atmosphère inerte. 2, record 6, French, - argon%20qualit%C3%A9%20soudage
Record 6, Spanish
Record 6, Textual support, Spanish
Record 7 - internal organization data 1999-01-13
Record 7, English
Record 7, Subject field(s)
- Welding and Soldering (Metals)
- Welding - Various Processes
Record 7, Main entry term, English
- tungsten inert gas
1, record 7, English, tungsten%20inert%20gas
correct
Record 7, Abbreviations, English
- TIG 2, record 7, English, TIG
correct
Record 7, Synonyms, English
Record 7, Textual support, English
Record number: 7, Textual support number: 1 OBS
tungsten-inert gas welding :Welding in which an arc plasma from a non-consumable tungsten electrode radiates heat onto the work surface, to create a weld puddle in a protective atmosphere provided by a flow of inert shielding gas; heat must then travel by conduction from this puddle to melt the desired depth of weld. Abbreviated TIG welding. 1, record 7, English, - tungsten%20inert%20gas
Record 7, French
Record 7, Domaine(s)
- Soudage (Métal)
- Procédés de soudage divers
Record 7, Main entry term, French
- TIG
1, record 7, French, TIG
correct, masculine noun
Record 7, Abbreviations, French
Record 7, Synonyms, French
- T.I.G. 1, record 7, French, T%2EI%2EG%2E
correct, masculine noun
Record 7, Textual support, French
Record number: 7, Textual support number: 1 OBS
Sigle signifiant : tungstène inerte gaz. Procédé de soudage en atmosphère inerte avec électrode réfractaire. 1, record 7, French, - TIG
Record 7, Key term(s)
- T.I.G.
Record 7, Spanish
Record 7, Textual support, Spanish
Record 8 - internal organization data 1993-07-22
Record 8, English
Record 8, Subject field(s)
- Welding - Various Processes
Record 8, Main entry term, English
- plasma MIG welding
1, record 8, English, plasma%20MIG%20welding
correct, standardized
Record 8, Abbreviations, English
Record 8, Synonyms, English
Record 8, Textual support, English
Record number: 8, Textual support number: 1 DEF
Plasma arc welding using an additional consumable electrode and an inert shielding gas, e. g. argon, helium or their mixtures. 1, record 8, English, - plasma%20MIG%20welding
Record number: 8, Textual support number: 1 OBS
Term and definition standardized by ISO. 2, record 8, English, - plasma%20MIG%20welding
Record 8, French
Record 8, Domaine(s)
- Procédés de soudage divers
Record 8, Main entry term, French
- soudage au plasma MIG
1, record 8, French, soudage%20au%20plasma%20MIG
correct, masculine noun, standardized
Record 8, Abbreviations, French
Record 8, Synonyms, French
Record 8, Textual support, French
Record number: 8, Textual support number: 1 DEF
Procédé de soudage au plasma avec une électrode fusible additionnelle sous gaz de protection inerte du type argon, hélium ou un mélange de ces gaz. 1, record 8, French, - soudage%20au%20plasma%20MIG
Record number: 8, Textual support number: 1 OBS
Terme et définition normalisés par l'ISO. 2, record 8, French, - soudage%20au%20plasma%20MIG
Record 8, Spanish
Record 8, Textual support, Spanish
Record 9 - internal organization data 1989-01-23
Record 9, English
Record 9, Subject field(s)
- Welding - Various Processes
Record 9, Main entry term, English
- constricted arc
1, record 9, English, constricted%20arc
correct
Record 9, Abbreviations, English
Record 9, Synonyms, English
- constricted plasma arc 2, record 9, English, constricted%20plasma%20arc
Record 9, Textual support, English
Record number: 9, Textual support number: 1 DEF
A plasma arc column that is shaped by a constricting nozzle orifice. 1, record 9, English, - constricted%20arc
Record number: 9, Textual support number: 1 OBS
Plasma arc welding and cutting. 1, record 9, English, - constricted%20arc
Record number: 9, Textual support number: 2 OBS
Constricted plasma arc has been accepted by the Comité des lexiques des métiers (New-Brunswick). 3, record 9, English, - constricted%20arc
Record 9, French
Record 9, Domaine(s)
- Procédés de soudage divers
Record 9, Main entry term, French
- arc confiné
1, record 9, French, arc%20confin%C3%A9
correct, masculine noun
Record 9, Abbreviations, French
Record 9, Synonyms, French
Record 9, Textual support, French
Record number: 9, Textual support number: 1 CONT
Torche à arc confiné. La pièce à souder reste électriquement neutre : l'arc jaillit effectivement entre anode et cathode, mais la pièce ne reçoit qu'un jet de plasma. Parfois aussi un premier circuit électrique entre cathode et anode permet d'amorcer le soudage par un arc confiné qui chauffe la buse et provoque, à son bec, une faible ionisation (...). 1, record 9, French, - arc%20confin%C3%A9
Record 9, Spanish
Record 9, Textual support, Spanish
Record 10 - internal organization data 1978-09-22
Record 10, English
Record 10, Subject field(s)
- Arc Welding
Record 10, Main entry term, English
- tungsten inert gas DC welding procedure 1, record 10, English, tungsten%20inert%20gas%20DC%20welding%20procedure
Record 10, Abbreviations, English
Record 10, Synonyms, English
Record 10, Textual support, English
Record number: 10, Textual support number: 1 CONT
This course [Quality Assurance Special Metals Welding] includes (...) tungsten inert gas DC welding procedures (...) 1, record 10, English, - tungsten%20inert%20gas%20DC%20welding%20procedure
Record number: 10, Textual support number: 1 OBS
tungsten-inert gas welding :Welding in which an arc plasma from a non consumable tungsten electrode radiates heat onto the work surface, to create a weld puddle in a protective atmosphere provided by a flow of inert shielding gas; heat must then travel by conduction from this puddle to melt the desired depth of weld. Abbreviated TIG welding. 2, record 10, English, - tungsten%20inert%20gas%20DC%20welding%20procedure
Record number: 10, Textual support number: 2 OBS
DC: direct current. 3, record 10, English, - tungsten%20inert%20gas%20DC%20welding%20procedure
Record 10, Key term(s)
- tungsten inert gas direct current welding
Record 10, French
Record 10, Domaine(s)
- Soudage à l'arc
Record 10, Main entry term, French
- procédé T.I.G. en courant continu 1, record 10, French, proc%C3%A9d%C3%A9%20T%2EI%2EG%2E%20en%20courant%20continu
Record 10, Abbreviations, French
Record 10, Synonyms, French
Record 10, Textual support, French
Record number: 10, Textual support number: 1 OBS
Le procédé T.I.G. fait appel à une électrode infusible (tungstène ou tungstène thorié), qui occupe l'axe d'une buse refroidie, délivrant le gaz de protection, qui peut être de l'argon, de l'hélium, ou, parfois, un mélange argon-hydrogène. Le métal d'apport est amené dans un bain de fusion au fur et à mesure de l'avancement de l'arc. Lorsque ce dernier est alimenté en courant continu, on doit placer la pièce à souder au pôle positif, pour éviter que l'électrode de tungstène se désagrège sous l'effet des électrons émis par le bain de fusion. 2, record 10, French, - proc%C3%A9d%C3%A9%20T%2EI%2EG%2E%20en%20courant%20continu
Record 10, Spanish
Record 10, Textual support, Spanish
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