. La-figure-5, initiation entre l'essai d'auto-échauffement et les essais de fatigue. Il n'est donc pas nécessaire de mesurer systématiquement la zone d'initiation pour la mise en place du critère de fatigue. La figure 5.54b montre les régimes observés dans le graphique présentant l'énergie dissipée par cycle au niveau de la zone d'initiation en fonction de l'amplitude d'effort en spécifiant la transition entre le premier et le deuxième régime. Finalement, la figure 5

1. Essais-de-fatigue-classique-t-bone, Critère de fatigue T-Bone 1A (traction) Essais de fatigue classique T-Bone 1A (flexion) Critère de fatigue T-Bone 1A (flexion) Essais de fatigue classique T-Bone 1B (traction) Critère de fatigue T-Bone 1B (traction) Essais de fatigue classique, Bone 1B (flexion) Critère de fatigue T-Bone 1B (flexion) (c) Comparaison des courbes de Wöhler en fonction de ? *

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