Proceedings of the ... International Conference on Offshore Mechanics and Arctic Engineering, Volume 16, Parts 2-3American Society of Mechanical Engineers, 1997 - Arctic regions |
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Page 283
... dynamic loading and its influence on the fracture property of structural steels . 3D FE - analysis , taking account of the strain rate effect on the flow stress , figured out that the dynamic loading elevates a local stress near the ...
... dynamic loading and its influence on the fracture property of structural steels . 3D FE - analysis , taking account of the strain rate effect on the flow stress , figured out that the dynamic loading elevates a local stress near the ...
Page 290
... dynamic loading . Table 2 Chemical composition and mechanical properties of structural steels. Stress concentration ratio Oy y ( peak ) / ON Equivalent plastic strain & ( % ) - SN490 0.8 0.6 0.4 0.2 y Dynamic ( 2m / s ) Static 35 50 at ...
... dynamic loading . Table 2 Chemical composition and mechanical properties of structural steels. Stress concentration ratio Oy y ( peak ) / ON Equivalent plastic strain & ( % ) - SN490 0.8 0.6 0.4 0.2 y Dynamic ( 2m / s ) Static 35 50 at ...
Page 291
... Dynamic ( 250 mm / s ) SM490 - H ( II ) Dynamic steels . The SN490 ( II ) steel holds superior fracture toughness compared to the SM490 - H ( II ) steel . The tensile test was conducted in the temperature range -40 to 60 ° C under ...
... Dynamic ( 250 mm / s ) SM490 - H ( II ) Dynamic steels . The SN490 ( II ) steel holds superior fracture toughness compared to the SM490 - H ( II ) steel . The tensile test was conducted in the temperature range -40 to 60 ° C under ...
Contents
SPECTRAL MODELLING OF WAVES | 1 |
RISK ANALYSIS | 33 |
PROBABILISTIC MODELLING OF WAVES | 99 |
Copyright | |
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alloys aluminium analysis applied ASME assessment base metal bending brittle fracture calculated coefficient corrosion fatigue crack arrestability crack depth crack growth crack tip CTOD curve damage defects deformation dent Det Norske Veritas developed distribution dynamic earthquake effect energy Engineering equation estimated evaluated factor failure fatigue crack Figure fracture mechanics fracture toughness frequency function heat increase initiation inspection Japan maintenance martensitic material maximum mbar measured mechanical properties method notch observed obtained offshore structures OMAE parameters peening performed pipe plastic platform prediction pressure procedure ratio reliability response risers S-N curve safety sea water seismic shielding gas ship shown in Fig simulation single-sided welds specimens spectra spectrum statistical steel plate strain stress range surface Table temperature tensile toughness tubular underwater underwater welding vertical wave height Weibull distribution weld metal welded joints width yield strength yield stress