TERMIUM Plus®

The Government of Canada’s terminology and linguistic data bank.

CO2 WELDING [2 records]

Record 1 2014-12-12

English

Subject field(s)
  • Welding - Various Processes
OBS

There are four basic welding processes: oxyacetylene; electric arc welding, commonly referred to as stick arc welding; gas metal arc welding, sometimes referred to as MIG or CO2 welding; and gas tungsten arc welding, commonly referred to as TIG or heliarc.

OBS

CO2 welding: CO2 welding.

French

Domaine(s)
  • Procédés de soudage divers
CONT

Soudage CO2. [Les] lasers CO2 [...] forment une classe de dispositifs très diversifiée. Ce sont des lasers à gaz dits moléculaires, car ils mettent en œuvre les niveaux de vitration-rotation de molécules de CO2 dans un mélange d'azote et d'hélium à basse pression [...] Les molécules d'azote excitées par une décharge électrique et, par collisions inélastiques, transfèrent l'énergie acquise aux molécules de CO2 qui sont l'objet de l'émission stimulée. L'hélium n'a qu'un rôle thermique, mais non moins important.

Spanish

Save record 1

Record 2 2000-05-09

English

Subject field(s)
  • Arc Welding
DEF

Metal-arc welding in which a bare wire electrode is used, the arc and molten pool being shielded with carbon dioxide.

CONT

MAG (Metal Active Gas) welding uses active oxidizing gases, e.g. argon/O2/CO2 mixtures. When carbon dioxide shielding gas is used, the process is also known as CO2 welding.

OBS

The number (2) in the term "CO2 welding" (as well as in O2 and CO2 in the above context) is a subscript.

French

Domaine(s)
  • Soudage à l'arc
OBS

Le chiffre (2) dans l'expression «soudage sous CO2» est inscrit en indice.

Key term(s)
  • soudage sous gaz carbonique

Spanish

Save record 2

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