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WELD ZONE [9 records]

Record 1 2013-01-29

English

Subject field(s)
  • Optical Glass
  • Electromagnetic Radiation
  • Protective Clothing
  • The Eye
DEF

A protective filter with two different scale numbers (light and dark zones) that are divided into a maximum of three areas of the filter.

OBS

The light zone is used for brief viewing when setting the electrode to the weld and igniting it. The dark zone is used for viewing the welding process.

OBS

If divided into two zones, one zone is light and the other is dark. If divided into three zones, then the central zone is generally dark, with the zones above and below being light.

OBS

welding filter with dual scale number: term and definition standardized by the International Organization for Standardization (ISO).

Key term(s)
  • dual scale number welding filter

French

Domaine(s)
  • Verres d'optique
  • Rayonnements électromagnétiques
  • Vêtements de protection
  • Oeil
DEF

Filtre protecteur avec deux numéros d'échelon différents (zone claire et zone sombre) divisés au maximum en trois zones de filtre.

OBS

La zone claire permet une observation rapide du pointage de l'électrode sur la soudure et de l'amorçage de l'arc. La zone sombre permet d'observer le processus de soudage.

OBS

S'il est divisé en deux zones, l'une est claire et l'autre est sombre. S'il est divisé en trois zones, la zone centrale est alors généralement sombre, alors que les zones supérieure et inférieure sont claires.

OBS

filtre de soudage à double numéro d'échelon : terme et définition normalisés par l'Organisation internationale de normalisation (ISO).

Spanish

Save record 1

Record 2 2010-12-09

English

Subject field(s)
  • Welding and Soldering (Metals)
  • Nuclear Fission Reactors
DEF

A defect triggered in the root pass of a weld in the immediate neighbourhood of the contact zone, and which spreads radially between the grains when under stress in service.

OBS

[Delayed re-heat cracking] only occurs with certain materials such as 321 type stainless steel, as it is caused by hardening of the steel due to fine precipitations of titanium carbide inside the crystalline structure. The hardening causes the plastic deformation capacity to be transferred to the periphery of the grains. For this to happen, the following conditions have to be met: a high operating temperature ([higher than] 475°C for 321 steel), a geometrical discontinuity at the weld root, strain hardening at the weld root showing significant shrinkage, heavy local load, which may be due to welding stresses, a defect in the weld root (e.g. a small shrinkage crack).

Key term(s)
  • delayed reheat cracking

French

Domaine(s)
  • Soudage (Métal)
  • Réacteurs nucléaires de fission

Spanish

Save record 2

Record 3 2009-01-23

English

Subject field(s)
  • Plate Tectonics
DEF

Lineation in continental lithosphere marking the location of an earlier plate collision that led to the amalgamation of formerly separate continental masses.

CONT

Continent-Continent Convergence-Low-density continental lithosphere does not easily subduct, so that when two continents collide the two continents may more or less "weld" together in a suture zone. The continent crust may be thickened, because one continent plate can slide(grudgingly) a little way under the other. The result is a mountain range or high plateau in the interior of an enlarged(accreted) continent.

CONT

When two plates containing continental crust converge a suture zone is formed and the continental crust thickens.

OBS

suture zone: term used at Natural Resources Canada - Earth Sciences Sector.

French

Domaine(s)
  • Tectonique des plaques
DEF

Importante faille d'une ceinture orogénique supposée marquer la frontière entre deux plaques entrées en collision.

CONT

Ce schéma correspond à une zone de suture modèle de 60 km de largeur sous le talus continental et la partie extérieure de la plate-forme continentale et une zone de transition située entre la partie complètement verrouillée et la partie coulissante stable de la faille chevauchante qui s'étend jusque dans les environs de la côte ouest de l'île de Vancouver [...]

OBS

zone de suture : terme en usage à Ressources naturelles Canada - Secteur des sciences de la Terre.

Spanish

Save record 3

Record 4 2006-10-24

English

Subject field(s)
  • Welding and Soldering (Metals)
CONT

[The laboratory] performed evaluations of high-strength linepipe steels and corresponding weld metal and heat-affected zone regions of pipe seam and field girth welds.

French

Domaine(s)
  • Soudage (Métal)

Spanish

Save record 4

Record 5 2000-01-06

English

Subject field(s)
  • Facilities and Equipment (Metal Joining)
  • Arc Welding
DEF

A filler metal electrode consisting of a single metal or alloy that has been produced into a wire, strip, or bar form and that has had no coating or covering applied to it other than that which was incidental to its manufacture or preservation. [Definition standardized by the AWS.]

CONT

MIG welding is a process in which a consumable, bare wire electrode is fed into a weld at a controlled rate of speed, while a blanket of inert argon gas shields the weld zone from atmospheric contamination.

OBS

bare electrode: term standardized by the American Welding Society (AWS).

PHR

Consumable bare wire electrode.

French

Domaine(s)
  • Équipement pour l'assemblage des métaux
  • Soudage à l'arc
DEF

Électrode constituée par une baguette métallique nue. [Définition normalisée par l'AFNOR et reproduite avec son autorisation.]

OBS

électrode nue : terme normalisé par l'Association française de normalisation (AFNOR).

Spanish

Save record 5

Record 6 1995-09-22

English

Subject field(s)
  • Facilities and Equipment (Metal Joining)
  • Arc Welding
  • Heat (Physics)
  • Thermodynamics
DEF

"heat sink" : Tooling applied adjacent to weld zone to absorb heat and to prevent heat flow into parent material.

DEF

"heat sink": any objects, such as a solid mass of heat-conducting material, placed at work to prevent local overheating during an operation such as soldering.

DEF

"sink": a body or substance used for the disposal of a fluid or heat in the course of a hydrodynamic or a thermodynamic process.

French

Domaine(s)
  • Équipement pour l'assemblage des métaux
  • Soudage à l'arc
  • Chaleur (Physique)
  • Thermodynamique

Spanish

Save record 6

Record 7 1989-01-23

English

Subject field(s)
  • Welding and Soldering (Metals)
DEF

A crack in the weld or heat-affected zone occurring at the root of a weld.

French

Domaine(s)
  • Soudage (Métal)
OBS

Terme accepté par le Comité des lexiques des métiers (Nouveau-Brunswick).

Spanish

Save record 7

Record 8 1988-12-22

English

Subject field(s)
  • Welding and Soldering (Metals)
DEF

the depth by which the fused zone of a weld penetrates into the parent material or previous weld deposits.

French

Domaine(s)
  • Soudage (Métal)
DEF

Profondeur sur laquelle s'est étendue la fusion dans le métal de base.

CONT

La pénétration doit intéresser une profondeur suffisante du métal de base, mais ne doit pas manger les bords du joint c'est-à-dire provoquer la formation de morsures ou de caniveaux.

Spanish

Save record 8

Record 9 1988-04-26

English

Subject field(s)
  • Resistance Welding
DEF

The fusion zone of a spot, projection or seam weld....

DEF

The weld metal in spot, seam or projection welding.

DEF

A fused metal zone of the resistance weld.

French

Domaine(s)
  • Soudage par résistance
DEF

(...) en soudage par résistance par points, partie généralement en forme de lentille qui résulte de la fusion localisée des deux pièces à l'interface, au droit des électrodes, et qui constitue en fait le "point de soudage".

Spanish

Save record 9

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