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Article | REF: M4171 V2

Fatigue tests - Low-cycle fatigue, crack propagation and complex loadings

Authors: André GALTIER, Rémi MUNIER, Amandine PHILIPPOT, Bastien WEBER

Publication date: June 10, 2022 | Lire en français

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    6. Glossary

    Stress amplitude

    Stress range between mean and maximum stress during cyclic loading.

    Opening sensor; crack opening displacement extensometer

    Extensometer sensor which, by measuring the aperture between the two blades of the sensor, enables the length of the propagated crack to be determined using the complacency method.

    Mean stress

    Average stress level on a cyclic signal.

    Curbe d'écrouissage cyclique; cyclic stress-strain curve

    Relationship between maximum strain imposed and maximum stress reached with a strain ratio equal to – 1.

    Manson-Coffin curves; EN curves

    Relationship between plastic, elastic and total strain amplitude as a function of the number of cycles to...

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