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fatigue strength at N cycles [1 record]

Record 1 1996-06-13


Subject field(s)
  • Strength of Materials
  • Engineering Tests and Reliability
  • Scientific Measurements and Analyses

A hypothetical value of stress for failure at exactly N cycles as determined from an S-N diagram. The value of SN thus determined is subject to the same conditions as those which apply to the S-N diagram. The value of SN that is commonly found in the literature is the hypothetical value of maximum stress, Smax, minimum stress Smin, or stress amplitude, Sa, at which 50% of the specimens of a given sample could survive N stress cycles in which the mean stress Sm = 0.


  • Résistance des matériaux
  • Fiabilité, contrôle et essais (Ingénierie)
  • Mesures et analyse (Sciences)

Valeur de la sollicitation pour laquelle l'éprouvette présenterait une longévité (qui peut être déterminée statistiquement) de N cycles.


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