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 168
... oxide particles are chemically stable even near the fusion line , they do not dissolve and grow . If oxides are finely dispersed in steels , it is expected that the GCHAZ region narrows or disappears because of the pinning effect by oxide ...
... oxide particles are chemically stable even near the fusion line , they do not dissolve and grow . If oxides are finely dispersed in steels , it is expected that the GCHAZ region narrows or disappears because of the pinning effect by oxide ...
Page 170
... Oxide " , Welding J. , Vol.66 , 1987 , pp.301s - 309s . and 4 ) R.Chijiiwa , H.Tamehiro , M.Hirai , H.Matsuda and H.Mimura , " Extra High Toughness Titanium - Oxide Steel Plates for Offshore Structures and Line Pipe " , Proc . 7th Int ...
... Oxide " , Welding J. , Vol.66 , 1987 , pp.301s - 309s . and 4 ) R.Chijiiwa , H.Tamehiro , M.Hirai , H.Matsuda and H.Mimura , " Extra High Toughness Titanium - Oxide Steel Plates for Offshore Structures and Line Pipe " , Proc . 7th Int ...
Page 173
... Oxide containing Mg 20 nm Charpy Absorbed Energy at O ° C ( J ) 200 150 100 800 Simulated heat input O 20kJ / mm △ 70kJ / mm 92kJ / mm 50 0 000 . Δ . 0 O 0 . 200 400 600 800 Y grain size ( μm ) Figure 3 Influence of 7 grain size on HAZ ...
... Oxide containing Mg 20 nm Charpy Absorbed Energy at O ° C ( J ) 200 150 100 800 Simulated heat input O 20kJ / mm △ 70kJ / mm 92kJ / mm 50 0 000 . Δ . 0 O 0 . 200 400 600 800 Y grain size ( μm ) Figure 3 Influence of 7 grain size on HAZ ...
Contents
Fatigue Capacity | 1 |
OMAE2001MAT3011 | 11 |
OMAE2001MAT3013 | 17 |
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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