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 90
... crack from specimen surface . Fig . 13 Schematic illustration of proposed criterion and approach. True strain at crack initiation , ( eave . ) In ( Ao / A1 ) ( % ) Ductile crack ( Observed crack length ) O No ductile crack R0.2 specimen ...
... crack from specimen surface . Fig . 13 Schematic illustration of proposed criterion and approach. True strain at crack initiation , ( eave . ) In ( Ao / A1 ) ( % ) Ductile crack ( Observed crack length ) O No ductile crack R0.2 specimen ...
Page 218
... crack tip . If the specimen embedding notch / crack is subjected to loading as shown in Fig . 1 , then high longitudinal stresses ( Oyy ) at the notch / crack tip cause the specimen to extend elastically and to contract laterally due to ...
... crack tip . If the specimen embedding notch / crack is subjected to loading as shown in Fig . 1 , then high longitudinal stresses ( Oyy ) at the notch / crack tip cause the specimen to extend elastically and to contract laterally due to ...
Page 332
... crack growth . Generally , the effects of metallurgical changes on fatigue crack growth are relatively small compared to that of residual stresses . Crack closure model and effective stress intensity factor range The behavior of fatigue ...
... crack growth . Generally , the effects of metallurgical changes on fatigue crack growth are relatively small compared to that of residual stresses . Crack closure model and effective stress intensity factor range The behavior of fatigue ...
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