Proceedings of the ... International Conference on Offshore Mechanics and Arctic Engineering, Volume 10American Society of Mechanical Engineers, 1991 - Arctic regions |
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Page 10
... pipes by circumferential multi - pass butt welding ( V - groove ) were theoretically analyzed . The sizes of supplied thickness ) , 2B pipe ( 5.5mm pipe ( 8.6mm ) , and 24B pipe ( 30.9mm ) , and the of welding is shown in Fig.5 . From ...
... pipes by circumferential multi - pass butt welding ( V - groove ) were theoretically analyzed . The sizes of supplied thickness ) , 2B pipe ( 5.5mm pipe ( 8.6mm ) , and 24B pipe ( 30.9mm ) , and the of welding is shown in Fig.5 . From ...
Page 18
... pipe . For the narrow gap pipe no pendulation was needed . The welding speed , current and voltage ( both pulsed ) used for each pass for both the single - U and the narrow gap pipe are given in Table 1. The inert gas used was argon for ...
... pipe . For the narrow gap pipe no pendulation was needed . The welding speed , current and voltage ( both pulsed ) used for each pass for both the single - U and the narrow gap pipe are given in Table 1. The inert gas used was argon for ...
Page 19
... pipe During the whole welding process for both the single - U pipe and the narrow gap pipe strains were recorded every fifth second , and after welding every twentieth second until the pipe had cooled down to room temperature again ...
... pipe During the whole welding process for both the single - U pipe and the narrow gap pipe strains were recorded every fifth second , and after welding every twentieth second until the pipe had cooled down to room temperature again ...
Contents
RESIDUAL STRESS AND DISTORTION IN WELDS | 1 |
WELD METAL AND HAZ PROPERTIES | 37 |
The Effect of Intercritical Thermal Cycles on HAZ Microstructure and Toughness in CMnAlNb | 49 |
Copyright | |
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aluminium austenite axial base metal bead behaviour brittle CGHAZ Charpy Charpy impact test chemical composition coating cooling corrosion crack front crack tip critical CTOD CTOD fracture toughness CTOD test CTOD value deformation developed distribution effect energy evaluation experimental fatigue crack ferrite Figure gauges Grade grain coarsened HAZ groove HAZ toughness heat input hydrogen cracking ICCGHAZ inherent strain intercritical kJ/mm load martensite Materials Engineering ASME measured mechanical properties method microstructure narrow gap notched panel obtained OMAE peak temperature pearlite pipe pipeline Pop-in pressure PWHT reheated residual stress samples seawater shielding gas simulation single-U Statoil steel plates steel TM1 strain gauges submerged arc welding surface notched specimen Table tempered tensile strength thermal cycle through-thickness notched TMCP steels underwater welding Volume III-A weld metal weldability welded joint welding conditions Welding Institute welding parameters welding procedure welding process welding residual stress weldment width yield strength