Proceedings of the ... International Conference on Offshore Mechanics and Arctic Engineering, Volume 10, Part 5American Society of Mechanical Engineers, 1991 - Arctic regions |
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Page 64
... obtained by transformation hardening and grain refinement through accelerated cooling after ICR . Both high strength and superior toughness are obtained compatibly by the grain refinement ( Tsukada et al . , 1982 , Abe et al . , 1985 ) ...
... obtained by transformation hardening and grain refinement through accelerated cooling after ICR . Both high strength and superior toughness are obtained compatibly by the grain refinement ( Tsukada et al . , 1982 , Abe et al . , 1985 ) ...
Page 66
... obtained . This is the reason why the maximum Ceq value in the Fig.2 was settled 0.45 . HAZ hardness , Hv 10 kgf 400 ... obtained ) lower than -60 ° C . In addition , high Charpy absorbed energy values , approximately 200J at -30 ° C ...
... obtained . This is the reason why the maximum Ceq value in the Fig.2 was settled 0.45 . HAZ hardness , Hv 10 kgf 400 ... obtained ) lower than -60 ° C . In addition , high Charpy absorbed energy values , approximately 200J at -30 ° C ...
Page 169
... obtained through such tools implies that cracks detected have to be assessed and consequentially evaluated by use of a " Lifetime- Evaluation - Technique " . Such an evaluation technique based on fracture mechanics consists of three ...
... obtained through such tools implies that cracks detected have to be assessed and consequentially evaluated by use of a " Lifetime- Evaluation - Technique " . Such an evaluation technique based on fracture mechanics consists of three ...
Contents
Propagation and Diffraction of Cnoidal Waves | 9 |
Dynamic Stresses and Motions of Offshore Pipelines During Laying | 17 |
TimeDevelopment of Scour Induced Free Spans of Pipelines | 25 |
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applied axial base metal brazing cables calculated carbon equivalent chemical composition cnoidal waves coating cooling crack CTOD curve cycle defects developed dew point temperature diameter dynamic tension force effect electrode equation field Figure fitness-for-purpose flaws flow foam forge welding fracture fracture mechanics free span frequency friction welding gas pipeline GMAW Gr.B HAZ hardness heat input hydrocarbon dew point induction heating inner pipe installation insulation internal J-Lay length line pipe linepipe load material maximum measured mechanical properties method microstructure nonlinear offshore pipelines operation ovalization parameters pipe material pipe wall pipeline plate pressure problem procedure propagation PUFI PWHT ratio reeling S-N curves seam weld simulation Specimen steel stress surface T-cross portion tensile strength thermal thermal insulation toughness tube UOE pipe velocity wall thickness water depth water dew point weld metal X80 grade yield strength