TERMIUM Plus®

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FATIGUE RATIO [2 records]

Filter results by subject field Alphabetical list of terms

Filter results by subject field

Alphabetical list of terms

Record 1 1992-07-13

English

Subject field(s)
  • Textile Industries
  • Engineering Tests and Reliability
DEF

... the ratio of the fatigue limit to the ultimate tensile stress.

OBS

Fatigue: Refers to the resistance of a material to weakening or failure during alternate tension-compression cycles, i.e. yarns, the loss of ability to recover after having been stretched.

French

Domaine(s)
  • Industries du textile
  • Fiabilité, contrôle et essais (Ingénierie)
OBS

Ce rapport limite de fatigue concerne les essais de fatigue effectués sur les fibres, les fils et les tissus.

Spanish

Save record 1

Record 2 1978-11-09

English

Subject field(s)
  • Rheology
  • Engineering Tests and Reliability
  • Destructive and Non-destructive Tests (Mat.)
DEF

(...) the relationship of the endurance limit to tensile strength, which is the maximum load per unit area the part can bear without failure.

CONT

An average endurance ratio for worked ferrous metals is about 0.5 of ultimate tensile strength.

French

Domaine(s)
  • Rhéologie
  • Fiabilité, contrôle et essais (Ingénierie)
  • Contrôle destructif et non destructif (Matér.)
CONT

De toutes les caractéristiques mécaniques usuelles des métaux, la résistance à la traction est celle qui présente, avec la limite de fatigue, la relation la plus nette. Ainsi désigne-t-on la relation [limite de fatigue sur résistance à la traction] par rapport d'endurance.

OBS

(...) la présence d'éléments métalliques dans les aciers: nickel, molybdène ou chrome, permet d'obtenir, après trempe et revenu, des rapports de limite de fatigue sur résistance à la traction très favorables (...) dans les aciers, les structures austénitique et perlitique conduisent à un rapport (...) [d'environ] 0,35 à 0,45 tandis que, pour les aciers ferritiques et sorbitiques (...), il est de 0,55 à 0,60.

Spanish

Save record 2

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