TERMIUM Plus®

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FATIGUE OLIGOCYCLIQUE [3 records]

Filter results by subject field Alphabetical list of terms

Filter results by subject field

Alphabetical list of terms

Record 1 2009-10-09

English

Subject field(s)
  • Engineering Tests and Reliability
  • Steel
CONT

The behaviour of steel or composite joints under cyclic loading is characterized by hysteretic loops with progressive degradation of strength and stiffness that eventually leads to failure of the joint. A typical natural event that, for simplicity, is usually approximated by cyclic loading is an earthquake. Usually, seismic events provoke relatively high amplitudes of rotation in the joint area, so that steel repeatedly reaches the plastic range and the joint fails after a relatively small number of cycles. This typical behaviour is usually called oligocyclic fatigue, in close analogy with the behaviour of steel under repeated cyclic loading stressed into the plastic regime.

French

Domaine(s)
  • Fiabilité, contrôle et essais (Ingénierie)
  • Acier
CONT

[Aciers] Les courbes donnant la durée de vie en fonction du nombre de cycles et de la contrainte cyclique, appelées courbes S - N, ont été établies dans un large domaine de contraintes, de nombres de cycles et de températures. La fatigue oligocyclique, qui est susceptible de se produire après un nombre de cycles limité lorsqu'il y a dépassement périodique de la limite d'élasticité du matériau, a, en particulier, fait l'objet de nombreux essais.

Spanish

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Record 2 1994-08-16

English

Subject field(s)
  • General Mechanics (Physics)

French

Domaine(s)
  • Mécanique générale (Physique)
DEF

Fatigue d'une éprouvette métallique soumise à des efforts alternés assez importants pour que la rupture se produise au bout d'un petit nombre de cycles.

Spanish

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Record 3 1988-08-29

English

Subject field(s)
  • Helicopters (Military)
  • Flight Instruments and Equipment (Aeroindustry)
OBS

Term officialized by the ATSC - Helicopters.

French

Domaine(s)
  • Hélicoptères (Militaire)
  • Instruments et équipement de bord (Constructions aéronautiques)
OBS

Terme uniformisé par le CUTA - Hélicoptères.

Spanish

Save record 3

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