Monitoring corrosion fatigue crack formation on drill steel using electrochemical impedance spectroscopy: Experiment and modeling

•Fatigue and electrochemical tests can be conducted simultaneously in a novel setup.•Fatigue crack can be recognized and monitored based on evolution of phase angle.•The established crack model is in good agreement with the experimental data. The corrosion fatigue crack formation on drill steel was...

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Veröffentlicht in:	Corrosion science 2020-10, Vol.175, p.108880, Article 108880
Hauptverfasser:	He, Yuantai, Zhong, Xiankang, Hu, Junying, Hou, Duo, Zhang, Zhi, Zeng, Dezhi, Shi, Taihe
Format:	Artikel
Sprache:	eng
Schlagworte:	Corrosion Corrosion fatigue Corrosion fatigue crack Crack modeling Crack propagation Electrochemical impedance spectroscopy Fatigue failure Fatigue tests Modelling Phase angle Phase shift Spectrum analysis Stress corrosion cracking Tool steels
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