Proceedings of the ... International Conference on Offshore Mechanics and Arctic Engineering, Volume 14, Part 3American Society of Mechanical Engineers, 1995 - Arctic regions |
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Page 58
... stress level in the thickness direction as a function of plate thickness . The other typical criteria , that the stress component par- allel to the crack line is used as a constraint controlling pa- rameter , have been proposed [ 38-45 ] ...
... stress level in the thickness direction as a function of plate thickness . The other typical criteria , that the stress component par- allel to the crack line is used as a constraint controlling pa- rameter , have been proposed [ 38-45 ] ...
Page 109
... stress history analysis and experiment in this paper . Experiments show that the inner residual stress near weld is reduced to compression from over yield stress at as weld condition in austenitic stainless steel pipe to pipe joints ...
... stress history analysis and experiment in this paper . Experiments show that the inner residual stress near weld is reduced to compression from over yield stress at as weld condition in austenitic stainless steel pipe to pipe joints ...
Page 112
... Stress Residual Stress ( MPa ) 300 200 : Axial Stress Hoop Stress 100 O -100 -200 -300 0 20 40 60 80 100 120 140 Distance from Weld Center Line ( mm ) Fig.3 Residual stress of as Weld Condition by FEM analysis ( SUS304 , 4BSch160 ) for ...
... Stress Residual Stress ( MPa ) 300 200 : Axial Stress Hoop Stress 100 O -100 -200 -300 0 20 40 60 80 100 120 140 Distance from Weld Center Line ( mm ) Fig.3 Residual stress of as Weld Condition by FEM analysis ( SUS304 , 4BSch160 ) for ...
Contents
FATIGUE GUIDANCE FOR OFFSHORE STRUCTURES | 1 |
OFFSHORE MECHANICS AND ARCTIC ENGINEERING | 14 |
STRUCTURAL INTEGRITY METHODS FOR WELDED COMPONENTS | 55 |
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analysis applied assessment austenitic axial behaviour bending brace calculated cathodic protection Charpy chord Corrosion Fatigue crack depth crack front crack growth rate crack propagation crack tip CTOD cycles defect deformation developed effect Efthymiou equations evaluation experimental failure fatigue crack growth fatigue guidance fatigue lives fatigue strength fatigue tests Figure finite element finite element analysis fracture mechanics fracture toughness GCHAZ geometry hammer peening high strength steels hydrogen increase Laser welds load material measured method microstructure mismatch mixed mode multiplanar notch offshore structures parameters parametric equations parent plate peening pipe plate thickness predictions Proc procedure region repair residual stress ring-stiffened joints riser S-N curve sea water seawater shown in Fig strain stress concentration stress concentration factor stress intensity factor stress range surface cracks Table tensile test results titanium TMCP tubular joints tested values weld metal weld toe welded joints weldment yield strength