Proceedings of the ... International Conference on Offshore Mechanics and Arctic Engineering, Volume 9, Part 5American Society of Mechanical Engineers, 1990 - Arctic regions |
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Page 2
Tensile strength of plate It is already known that the addition of Nb is effective to increase strength and improve toughness of steel plates manufactured by Controlled Rolling ( CR ) and the Interrupted OLAC process ( following CR and ...
Tensile strength of plate It is already known that the addition of Nb is effective to increase strength and improve toughness of steel plates manufactured by Controlled Rolling ( CR ) and the Interrupted OLAC process ( following CR and ...
Page 3
... plate with 45kJ / cm heat input . It is well known that the strength of welded joints is affected by relative thickness ( Satoh et al . , 1971 ) . Schematic drawing of the relative thickness ( W / T , W ; width of softening zone , T ...
... plate with 45kJ / cm heat input . It is well known that the strength of welded joints is affected by relative thickness ( Satoh et al . , 1971 ) . Schematic drawing of the relative thickness ( W / T , W ; width of softening zone , T ...
Page 5
... plate Heat input 5kJ / cm 로 250 200 Hardness ( Hvlo ) -20 -40 210 D -- 0 200 190 180 O 0.02 0.04 0.06 0.08 V content ( % ) Fig.11 Effect of V content on simulated HAZ toughness ( Single cycle ) vTrs ( ° C ) Hardness ( Hvlo ) 40 1st 2nd ...
... plate Heat input 5kJ / cm 로 250 200 Hardness ( Hvlo ) -20 -40 210 D -- 0 200 190 180 O 0.02 0.04 0.06 0.08 V content ( % ) Fig.11 Effect of V content on simulated HAZ toughness ( Single cycle ) vTrs ( ° C ) Hardness ( Hvlo ) 40 1st 2nd ...
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addition analysis applied approach assessment assumed bending calculations caused considered CONTINUE corrosion crack damage deformation depth described diameter direction displacement distribution effect energy Engineering ensemble equations factors failure field Figure flow force fracture function given hole included increase initial installation internal layer length limit load material maximum mean measured mechanical method mode movement obtained occurred Offshore operation parameters pipe pipeline plastic plate platform position predicted presented pressure probability problem procedure properties radial range reduced relative reliability resistance response safety scaling scour seabed shown shows simulated soil solution span stability steel strain strength stress structure subsea surface Table term thickness toughness tracers tube uncertainty values valve variables wall wave weight weld