Fatigue life estimation of pitted 12% Cr steam turbine blade steel in different environments and at different stress ratios

The influence of corrosion pits on the endurable fatigue loading in different environments and at various stress ratios has been investigated for 12% Cr steam turbine blade steel. Very high cycle fatigue measurements were performed using ultrasonic fatigue testing technique with superimposed static...

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Veröffentlicht in:	International journal of fatigue 2014-08, Vol.65, p.33-43
Hauptverfasser:	Schönbauer, Bernd M., Stanzl-Tschegg, Stefanie E., Perlega, Andrea, Salzman, Ronald N., Rieger, Neville F., Zhou, Shengqi, Turnbull, Alan, Gandy, David
Format:	Artikel
Sprache:	eng
Schlagworte:	12% Cr steam turbine blade steel Chromium Corrosion Corrosion fatigue Fatigue (materials) Fatigue crack growth rate Kitagawa–Takahashi diagram Pits Pitting corrosion Roughness Scanning electron microscopy Stress ratio Very high cycle fatigue
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