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 122
... Notch ( at mid - thickness ) 0.2 0.4 0.6 0.8 Distance from notch tip , x ( mm ) 1.0 Fig . 12 Distribution of strain rate near notch tip for Charpy specimen . and validated , that the fracture analysis using conventional static formulae ...
... Notch ( at mid - thickness ) 0.2 0.4 0.6 0.8 Distance from notch tip , x ( mm ) 1.0 Fig . 12 Distribution of strain rate near notch tip for Charpy specimen . and validated , that the fracture analysis using conventional static formulae ...
Page 218
THEORETICAL ANALYSIS OF NOTCH EFFECT Stress Triaxiality The prime effects of notch including crack is introducing a stress concentration and producing a triaxial stress at the notch / crack tip . If the specimen embedding notch / crack ...
THEORETICAL ANALYSIS OF NOTCH EFFECT Stress Triaxiality The prime effects of notch including crack is introducing a stress concentration and producing a triaxial stress at the notch / crack tip . If the specimen embedding notch / crack ...
Page 222
... notch root radius 0 0.00 0.01 0.02 0.03 0.04 0.05 0.06 p / d ( Notch bluntness ratio ) Fig . 3 Stress concentration factors as a function of p / d . ( a ) 100μm ( b ) 100μm Effective fracture toughness ( MPam1 ) Apparent dynamic ...
... notch root radius 0 0.00 0.01 0.02 0.03 0.04 0.05 0.06 p / d ( Notch bluntness ratio ) Fig . 3 Stress concentration factors as a function of p / d . ( a ) 100μm ( b ) 100μm Effective fracture toughness ( MPam1 ) Apparent dynamic ...
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