Proceedings of the ... International Conference on Offshore Mechanics and Arctic Engineering, Volume 3American Society of Mechanical Engineers, 2001 - Arctic regions |
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Page 133
... Fatigue test results and investigated specimens in artificial sea water . Fatigue fractire surface- Stress direction - The respective lengths and numbers of the corrosion pits and fatigue cracks were measured and counted from enlarged ...
... Fatigue test results and investigated specimens in artificial sea water . Fatigue fractire surface- Stress direction - The respective lengths and numbers of the corrosion pits and fatigue cracks were measured and counted from enlarged ...
Page 134
... crack with sharp up Fig.14 Corrosion pits and corrosion fatigue cracks observed in S2 specimen . 20um 10μm 100m Ο 50 100 150 200 250 300 350 400 Length of Corrosion Pit and Corrosion Fatigue Crack ( um ) Fig.16 Relationships between crack ...
... crack with sharp up Fig.14 Corrosion pits and corrosion fatigue cracks observed in S2 specimen . 20um 10μm 100m Ο 50 100 150 200 250 300 350 400 Length of Corrosion Pit and Corrosion Fatigue Crack ( um ) Fig.16 Relationships between crack ...
Page 135
... cracks Length of Single Corrosion Pit and Single Corrosion Fatigue Crack ( um ) Mid - section ( n = 43 ) Depth ( um ) Fig . 18 Range of stress intensity factor at corrosion pits and cracks in transition zone of S2 and C2 specimens ...
... cracks Length of Single Corrosion Pit and Single Corrosion Fatigue Crack ( um ) Mid - section ( n = 43 ) Depth ( um ) Fig . 18 Range of stress intensity factor at corrosion pits and cracks in transition zone of S2 and C2 specimens ...
Contents
Fatigue Capacity | 1 |
OMAE2001MAT3011 | 11 |
OMAE2001MAT3013 | 17 |
Copyright | |
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analysis applied Arctic Engineering assessment axial base metal bending brittle buckling calculated CGHAZ Charpy impact Charpy impact test components compressive Conference on Offshore crack arrest crack growth criterion CTOD test cycle defined deformation developed discrete displacement distribution DQEM ductile crack initiation dynamic effect elastic equation evaluated failure fatigue cracks ferrite Figure finite element flexible pipe FPSO Fracture Mechanics fracture toughness function fusion line hot spot hull indentation linepipe loading material maximum mechanical properties Mechanics and Arctic method microstructure node notch obtained Offshore Mechanics offshore structures parameters performed pipeline predicted pressure region Rio de Janeiro riser S-N curves shown in Fig shows simulated specimens steel plates stress concentration stress intensity factor surface cracks surface layer Table temperature tensile strength thermal thickness underwater underwater welding virgin steel Weibull distribution weld metal weld toe welded joints weldment yield strength