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 126
... cooling rate , microstructure , and mechanical properties . Thus , the chemi- cal composition of the weldments , which is a measure of the alloy hardenability , needs to be modified to " restore " the microstructure and properties if ...
... cooling rate , microstructure , and mechanical properties . Thus , the chemi- cal composition of the weldments , which is a measure of the alloy hardenability , needs to be modified to " restore " the microstructure and properties if ...
Page 290
... cooling requirements under varying conditions , and one in- stallation within the past several years , the indica- tions are that a once - through seawater cooling system may offer economic advantages over the air cooling or fresh water ...
... cooling requirements under varying conditions , and one in- stallation within the past several years , the indica- tions are that a once - through seawater cooling system may offer economic advantages over the air cooling or fresh water ...
Page 294
Fig . 12 Cost Comparisons Cooling System Once- Fig . 14 WEIGHT COMPARISON Air Closed Through Cooled Loop Seawater 1 . Air cooled system 2 . Closed loop system Initial equipment * 1.3 1.6 1.0 3 . Once - through system 32 metric tons 14 ...
Fig . 12 Cost Comparisons Cooling System Once- Fig . 14 WEIGHT COMPARISON Air Closed Through Cooled Loop Seawater 1 . Air cooled system 2 . Closed loop system Initial equipment * 1.3 1.6 1.0 3 . Once - through system 32 metric tons 14 ...
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