FATIGUE MICROCRACKS IN TYPE 304 STAINLESS STEEL AT ELEVATED TEMPERATURE

FATIGUE MICROCRACKS IN TYPE 304 STAINLESS STEEL AT ELEVATED TEMPERATURE

Microcracking of type 304 stainless steel at 538°C has been studied, in particular, the initiation, growth and coalescence, of fatigue microcracks on smooth specimens via surface replicas and photomicrographs. Quantitative information, such as, initiation period, growth and coalescence behaviour, st...

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Veröffentlicht in:Fatigue & fracture of engineering materials & structures 1990-09, Vol.13 (5), p.487-496
Hauptverfasser: Suh, C. M., Lee, J. J., Kang, Y. G.
Format: Artikel
Sprache:eng
Schlagworte:
Applied sciences
Exact sciences and technology
Fatigue
fracture
Mechanical properties and methods of testing. Rheology. Fracture mechanics. Tribology
Metals. Metallurgy
stainless steel
thermodynamics
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Zusammenfassung:Microcracking of type 304 stainless steel at 538°C has been studied, in particular, the initiation, growth and coalescence, of fatigue microcracks on smooth specimens via surface replicas and photomicrographs. Quantitative information, such as, initiation period, growth and coalescence behaviour, statistical distributions of crack length, density of cracks, distribution patterns and crack growth properties, were obtained. Knowledge of these parameters is critical for the application of fracture mechanics to fatigue life assessment and the damage evaluation of structures at elevated temperature.
ISSN:8756-758X
1460-2695
DOI:10.1111/j.1460-2695.1990.tb00619.x