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 94
... strain exceeds the 0,8 % level . This strain level exceeds the pipe metal yield strain because the applied overall strain is partitioned between the crack mouth opening strain ( CMOD divided by the gauge length ) and the pipe metal strain ...
... strain exceeds the 0,8 % level . This strain level exceeds the pipe metal yield strain because the applied overall strain is partitioned between the crack mouth opening strain ( CMOD divided by the gauge length ) and the pipe metal strain ...
Page 289
... strain curve was compared with the corresponding curve obtained with the same n and a = 1 . The comparisons , shown ... strain of 1.2 , but is dependent upon the values of a and n . These two features form the basis for modifying the GSY ...
... strain curve was compared with the corresponding curve obtained with the same n and a = 1 . The comparisons , shown ... strain of 1.2 , but is dependent upon the values of a and n . These two features form the basis for modifying the GSY ...
Page 471
... strain ageing occurs when thermally activated carbon and nitrogen atoms diffuse to disloca- tions and effectively lock them , resulting in decreased ductility and an increase in the brittle / ductile transition temperature . Strain ...
... strain ageing occurs when thermally activated carbon and nitrogen atoms diffuse to disloca- tions and effectively lock them , resulting in decreased ductility and an increase in the brittle / ductile transition temperature . Strain ...
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