High-Temperature Fatigue Crack Growth Study of P91 Steel Using Acoustic Emission

The fatigue crack growth (FCG) behavior of ferritic steel P91 was studied at several temperatures ranging from 300 K to 823 K with simultaneous monitoring of acoustic emission (AE) signals. Compared with FCG, the AE count rate curve shows a peak in the transition regime due to intergranular cracking...

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Veröffentlicht in:	JOM (1989) 2021-12, Vol.73 (12), p.3950-3958
Hauptverfasser:	Babu, M. Nani, Mukhopadhyay, C. K., Sasikala, G.
Format:	Artikel
Sprache:	eng
Schlagworte:	Acoustic emission Acoustic fatigue Acoustics Chemistry/Food Science Chromium molybdenum steels Corrosion and Protection of Materials at High Temperatures Crack initiation Crack propagation Deformation Ductile-brittle transition Dynamic strain aging Earth Sciences Emission analysis Engineering Environment Fatigue failure Ferritic stainless steels Fourier transforms Fracture mechanics Grain boundaries High temperature Hydrogen Hydrogenation Influence Load Mechanical properties Metal fatigue Microstructure Oxidation Parameters Physics Precipitation hardening Steel Stress Thermal fatigue
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