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 77
... mismatch on the behaviour of semi- elliptical surface cracks , with a / t = 0.25 and a / c = 0.25 , located in weld metal has been investigated by experiment and three- dimensional finite element analysis . Finite element analysis ...
... mismatch on the behaviour of semi- elliptical surface cracks , with a / t = 0.25 and a / c = 0.25 , located in weld metal has been investigated by experiment and three- dimensional finite element analysis . Finite element analysis ...
Page 80
... mismatch . RECOMMENDATIONS PROCEDURES FOR CRACK ASSESSMENT On the basis of the analyses described above , the following recommendations can be made concerning the assessment of weld metal cracks in welds with yield strength mismatch ...
... mismatch . RECOMMENDATIONS PROCEDURES FOR CRACK ASSESSMENT On the basis of the analyses described above , the following recommendations can be made concerning the assessment of weld metal cracks in welds with yield strength mismatch ...
Page 427
... mismatch , and J and CTOD values estimated . Weld metal mismatch was achieved by keeping the same weld metal and changing the strength of the parent plate . It is shown that for deeply cracked specimens ( a / W = 0.5 ) , the standard ...
... mismatch , and J and CTOD values estimated . Weld metal mismatch was achieved by keeping the same weld metal and changing the strength of the parent plate . It is shown that for deeply cracked specimens ( a / W = 0.5 ) , the standard ...
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