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 101
... base and weld metals . The HAZ notched panel results indicate that weld metal undermatching causes an unsymmetrical strain distribution at the crack tip vicinity . Despite the occurrence of the high applied strain concentration at the ...
... base and weld metals . The HAZ notched panel results indicate that weld metal undermatching causes an unsymmetrical strain distribution at the crack tip vicinity . Despite the occurrence of the high applied strain concentration at the ...
Page 139
... Base Metal Joint 498 405 546 478 428 5 ( a ) Base Metal ib As - Welded Joint 1 : Jined portioni 20 με Fig . 5 Microstructures of base metal and weld - line Hardness ( Hv : 1kg ) 200 PWHT ( OT ) 175 150 As - welded condition Hardness ...
... Base Metal Joint 498 405 546 478 428 5 ( a ) Base Metal ib As - Welded Joint 1 : Jined portioni 20 με Fig . 5 Microstructures of base metal and weld - line Hardness ( Hv : 1kg ) 200 PWHT ( OT ) 175 150 As - welded condition Hardness ...
Page 227
... base metal ( FL + 2 mm ) . The 2 mm V - notch Charpy impact test results of welded joints are shown in Table 7. The absorbed energy at the test temperature of -60 ° C was better than the tar- get value of 45 J in the FL and FL + 2 mm ...
... base metal ( FL + 2 mm ) . The 2 mm V - notch Charpy impact test results of welded joints are shown in Table 7. The absorbed energy at the test temperature of -60 ° C was better than the tar- get value of 45 J in the FL and FL + 2 mm ...
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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Common terms and phrases
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