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 137
... increased , and after initial yielding takes place , the surface layers remain elastic for some time , so that the ultimate strength and the strength after the ultimate strength are increased . Next , buckling / plastic collapse FEM ...
... increased , and after initial yielding takes place , the surface layers remain elastic for some time , so that the ultimate strength and the strength after the ultimate strength are increased . Next , buckling / plastic collapse FEM ...
Page 140
... increased oxygen concentration causes a reduction in weld metal toughness and the increased hydrogen concentration might result on cold cracking in the heat affected zone ( HAZ ) . Furthermore , the amount oxygen and hydrogen absorbed ...
... increased oxygen concentration causes a reduction in weld metal toughness and the increased hydrogen concentration might result on cold cracking in the heat affected zone ( HAZ ) . Furthermore , the amount oxygen and hydrogen absorbed ...
Page 323
... increased and the CTOD decreased with increasing cathodic potential . Because the hydrogen occurred at the crack tip under conditions of over protection , the area fraction of quasi- cleavage increased and the CTOD decreased , which ...
... increased and the CTOD decreased with increasing cathodic potential . Because the hydrogen occurred at the crack tip under conditions of over protection , the area fraction of quasi- cleavage increased and the CTOD decreased , which ...
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