allongement
- Domaine
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- physiquerésistance des matériaux
- Dernière mise à jour
Définition :
Extension permanente d'un échantillon qui a été étiré jusqu'à rupture dans un essai de traction.
Terme privilégié :
- allongement n. m.
Traductions
-
anglais
Auteur : Office québécois de la langue française,Notes :
Term used in mechanical testing to describe the amount of extension of a test piece when stressed.
The amount of permanent extension in the vincinity of the fracture of a test piece broken in a tensile test is usually expressed as a percentage of the original gauge length, e.g. x % in 2 in.
Elongation may also refer to the increase in length at any stage of a process which continuously increases the length of a metal object - as in rolling.Terme :
- elongation