Proceedings of the ... International Conference on Offshore Mechanics and Arctic Engineering, Volume 3American Society of Mechanical Engineers, 2002 - Arctic regions |
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Page 335
... surface properties and in terms of efficient fabrication . Surface treatment for the different welds X The results from the fatigue testing demonstrate very clearly that both porosity and surface finish are important factors , and that ...
... surface properties and in terms of efficient fabrication . Surface treatment for the different welds X The results from the fatigue testing demonstrate very clearly that both porosity and surface finish are important factors , and that ...
Page 336
... surface regions ( 0-5 mm below the surface ) in the root as well as in the weld face region . A high - frequency normal probe ( or TR - probe ) scanning should cover this detection demands . An automated ultrasonic scanning would ...
... surface regions ( 0-5 mm below the surface ) in the root as well as in the weld face region . A high - frequency normal probe ( or TR - probe ) scanning should cover this detection demands . An automated ultrasonic scanning would ...
Page 479
... surface , maximum dimension r a = r / 2 shaped crack , Semi - circular surface crack , F = 0.65 af = = 10 mm a = r Farfangdoost and Provan : DKappi DKeff Pore at corner , maximum dimension r Circular corner crack , a = r F = 1.1 af = 10 ...
... surface , maximum dimension r a = r / 2 shaped crack , Semi - circular surface crack , F = 0.65 af = = 10 mm a = r Farfangdoost and Provan : DKappi DKeff Pore at corner , maximum dimension r Circular corner crack , a = r F = 1.1 af = 10 ...
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alloys analysis applied approximately assessment bending calculated carried coating compared composite compressive considered corrosion crack crack growth curve cycles damage defect deformation depth determined developed direction distribution effect element Engineering equation estimated evaluation experience factor failure fatigue field Figure flaw flexible fracture function geometry given Grade heat higher hydrogen important increase initial installation insulation integrity International joint length limit load locations lower material maximum mean measured mechanical method observed obtained Offshore operation parameters performed pipe plate predicted present pressure problem procedure production properties range reliability residual resistance respectively riser rope safety samples shown shows side simulation solution specimens standard steel strain strength stress structure surface Table temperature tensile tension thermal thickness titanium toughness uncertainties variables weld