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99611 Fatigue Crack Propagation and Fracture in Sour Dilute Brine

Picture for 99611 Fatigue Crack Propagation and Fracture
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Product Number: 51300-99611-SG
ISBN: 99611 1999 CP
Author: R.L. Eadie, K.E. Szklarz
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Fatigue propagation behaviour was investigated for low alloy steels of types commonly used in sour dilute brines. Test variables included hydrogen sulfide partial pressure, total pressure, stress ratio, fatigue frequency, steel grade and test temperature. Sour fatigue propagation rates were much higher than propagation rates in air and the sour rates showed pronounced frequency effects at higher stress intensity factor ranges. Increased hydrogen sulfide partial pressure increased propagation but total pressure did not. Implications for operations in wet, sour environments are discussed. Keywords: fatigue, sour brine, corrosion fatigue, fatigue crack propagation, hydrogen sulfide, steel.
Fatigue propagation behaviour was investigated for low alloy steels of types commonly used in sour dilute brines. Test variables included hydrogen sulfide partial pressure, total pressure, stress ratio, fatigue frequency, steel grade and test temperature. Sour fatigue propagation rates were much higher than propagation rates in air and the sour rates showed pronounced frequency effects at higher stress intensity factor ranges. Increased hydrogen sulfide partial pressure increased propagation but total pressure did not. Implications for operations in wet, sour environments are discussed. Keywords: fatigue, sour brine, corrosion fatigue, fatigue crack propagation, hydrogen sulfide, steel.
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99610 Fatigue Initiation and Crack Closure of Low Alloy Steels in Sour Brine Environments

Product Number: 51300-99610-SG
ISBN: 99610 1999 CP
Author: R.L. Eadie, K.E. Szklarz
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99834 FRACTURE TOUGHNESS AND MECHANICAL PROPERTIES OF C-Mn STEELS EXPOSED TO WET H2S ENVIRONMENTS

Product Number: 51300-99384-SG
ISBN: 99384 1999 CP
Author: M.S. Cayard, C.J.B. Joia, P.S. Bezerra, F.C.R. Assuncao
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Picture for Sour Service Fatigue and Fracture Behavior of High Strength Steels
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51316-7183-Sour Service Fatigue and Fracture Behavior of High Strength Steels

Product Number: 51316-7183-SG
ISBN: 7183 2016 CP
Author: Thodla Ramgopal
Publication Date: 2016
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Fatigue Crack Growth Rate (FCGR) and fracture toughness behavior of high strength steels used in drilling riser applications was investigated in sour environments. Frequency scan tests were performed were performed on X80 C110 and S135 in moderate to mildly sour environments.
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