Fatigue crack propagation in API 5L X-70 pipeline steel longitudinal welded joints under constant and variable amplitudes

ABSTRACT Fatigue crack propagation (FCP) under constant and variable amplitude loading in base metal (BM), weld metal (WM) and heat affected zone (HAZ) of longitudinal welded joints of an API X‐70 pipeline steel was investigated. Constant amplitude loading tests were performed at R = 0.1 and 0.5, wh...

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Veröffentlicht in:	Fatigue & fracture of engineering materials & structures 2011-05, Vol.34 (5), p.321-328
Hauptverfasser:	BELTRÃO, M. A. NEVES, CASTRODEZA, E. M., BASTIAN, F. L.
Format:	Artikel
Sprache:	eng
Schlagworte:	alternate tensile overloads API 5L X-70 pipeline steel Applied sciences Crack propagation Exact sciences and technology Fatigue fatigue crack propagation Fatigue failure Joining, thermal cutting: metallurgical aspects longitudinal welded joints Mechanical properties and methods of testing. Rheology. Fracture mechanics. Tribology Metals. Metallurgy Pipelines Steel Welding
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