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 212
... cycles ) , no shift from the T curve is imposed since the in - air fatigue life is matched : see Fig . 11. At long lives , the S - N design curve is completed by extending the line in the very long fatigue life regime ( greater than 1E ...
... cycles ) , no shift from the T curve is imposed since the in - air fatigue life is matched : see Fig . 11. At long lives , the S - N design curve is completed by extending the line in the very long fatigue life regime ( greater than 1E ...
Page 375
... cycles hardness yield tensile ° C yield strength in MPa 500 impact trans . 450 HV10 strength strength temperature MPa MPa 50 J 100 J 400 15 mm plate -0-50 mm plate -0-75 mm plate 750 1 166 427 534 -88 -75 350 750 3 163 393 533 -92 -75 ...
... cycles hardness yield tensile ° C yield strength in MPa 500 impact trans . 450 HV10 strength strength temperature MPa MPa 50 J 100 J 400 15 mm plate -0-50 mm plate -0-75 mm plate 750 1 166 427 534 -88 -75 350 750 3 163 393 533 -92 -75 ...
Page 581
... CYCLES N K = 3.50 ( Pú.90 ) 53.7 5 102 3 tion of number of cycles of fatigue life at a given stress range . Fig . 10 shows a typical fatigue life curve ( S - N - curve ) as ob- tained from the experiments . The stress range for 2 ...
... CYCLES N K = 3.50 ( Pú.90 ) 53.7 5 102 3 tion of number of cycles of fatigue life at a given stress range . Fig . 10 shows a typical fatigue life curve ( S - N - curve ) as ob- tained from the experiments . The stress range for 2 ...
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