The influence of various types of small defects on the fatigue limit of precipitation-hardened 17-4PH stainless steel

•The influence of artificial defects on the fatigue limit is investigated.•The fatigue limit can be estimated using the √area parameter model.•For defects larger than √area=80μm, the fatigue limit is determined by ΔKth,lc.•The stress ratio dependency is determined.•Drilled holes with diameters >5...

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Veröffentlicht in:	Theoretical and applied fracture mechanics 2017-02, Vol.87, p.35-49
Hauptverfasser:	Schönbauer, Bernd M., Yanase, Keiji, Endo, Masahiro
Format:	Artikel
Sprache:	eng
Schlagworte:	17-4PH stainless steel [formula omitted] parameter model Corrosion fatigue Corrosion pits Crack initiation Crack propagation Defects Fatigue cracks Fatigue failure Fatigue limit Fatigue strength Fatigue tests Fracture mechanics Martensitic stainless steels Nonmetallic inclusions Notches Pitting (corrosion) Precipitation hardening steels Quantitative analysis Scattering Small defects Stainless steel Stress intensity factors Stress propagation Threshold stress
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