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ATTAQUE METALLOGRAPHIQUE [1 record]

Filter results by subject field Alphabetical list of terms

Filter results by subject field

Alphabetical list of terms

Record 1 1997-03-27

English

Subject field(s)
  • Deterioration of Metals
DEF

Etching a metal surface to accentuate gross structural details, such as grain flow, segregation, porosity, or cracks, for observation by the unaided eye or at magnifications to 25x.

French

Domaine(s)
  • Altération des métaux
DEF

Traitement auquel est soumise la surface convenablement préparée d'un échantillon métallique et qui permet de mettre en évidence des détails structuraux. Il consiste en une attaque préférentielle par voie chimique ou électrolytique de certains constituants de la microstructure, et peut être réalisé soit en vue d'une observation macroscopique ou macrographique (ségrégations, fissures, porosités, morphologie des grains), soit en vue d'une analyse microscopique ou micrographique (détails de la microstructure : nature, morphologie, répartition des phases).

Spanish

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