Influence of work-hardening on fatigue crack growth, effective threshold and crack opening behavior in the nickel-based superalloy Inconel 718

•The influence of rotary swaging on fatigue crack growth was investigated using five degrees of deformation.•Fatigue crack propagation rates (FCGR), effective thresholds and crack opening loads were analyzed.•The effective stress intensity factor concept was applied.•The majority of effects encounte...

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Veröffentlicht in:	International journal of fatigue 2018-11, Vol.116, p.257-267
Hauptverfasser:	Klumpp, Alexander, Maier, Sven, Chen, Hans, Fotouhi, Mohammad, Schneider, Reinhard, Dietrich, Stefan, Lang, Karl-Heinz, Schulze, Volker
Format:	Artikel
Sprache:	eng
Schlagworte:	Ambient temperature Crack opening Crack propagation Cracks Deformation Direct current Effective threshold Fatigue crack growth Fatigue failure Fatigue tests Fracture mechanics Hardening Load shedding Materials fatigue Nickel base alloys Photomicrographs Rotary swaging Stress intensity factors Superalloys Swaging Voltage drop Work-hardening
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