SYMPOSIA PAPER Published: 01 January 2005
STP11326S

Load History in Fatigue: Effect of Strain Amplitude and Loading Path

Source

The low-cycle fatigue behavior of a duplex stainless steel, 60% α — 40% γ, is studied under tension-compression/torsion loading at room temperature and under strain control. It is shown that the duplex stainless steel has an isotropic behavior under cyclic proportional loading. The loading path induces an extra-hardening on cyclic hardening of duplex stainless steel but lower than that on austenitic stainless steels. The effect of loading history is studied in terms of strain amplitude, mean strain, and loading path. It is shown that only histories in strain amplitude and loading path have an effect on the stabilized stress.

Author Information

Aubin, V
Ecole Centrale de Lille, Laboratoire de Mécanique de Lille UMR CNRS 8107, Villeneuve d'Ascq, France
Quaegebeur, P
Ecole Centrale de Lille, Laboratoire de Mécanique de Lille UMR CNRS 8107, Villeneuve d'Ascq, France
Degallaix, S
Ecole Centrale de Lille, Laboratoire de Mécanique de Lille UMR CNRS 8107, Villeneuve d'Ascq, France
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Details
Developed by Committee: E08
Pages: 505–518
DOI: 10.1520/STP11326S
ISBN-EB: 978-0-8031-5503-9
ISBN-13: 978-0-8031-3479-9