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 45
... boundary structures are shown as a refe- rence . DISCUSSION The graphical presentations of the fusion boundary mi- and 5a are particularly 3a Figs . crostructures , that the CGHAZ instructive in that they demonstrate regions in these 1 ...
... boundary structures are shown as a refe- rence . DISCUSSION The graphical presentations of the fusion boundary mi- and 5a are particularly 3a Figs . crostructures , that the CGHAZ instructive in that they demonstrate regions in these 1 ...
Page 53
... boundaries . The formation of grain boundary microphases has been discussed in some detail by Sparkes ( 9 ) . On reheating , nucleation of austenite occurs preferentially on the grain austenite favourable prior energetically boundaries ...
... boundaries . The formation of grain boundary microphases has been discussed in some detail by Sparkes ( 9 ) . On reheating , nucleation of austenite occurs preferentially on the grain austenite favourable prior energetically boundaries ...
Page 54
... boundary M - A constituent can have a significant effect , probably by acting as sites for fracture initiation as found by other workers ( 3,5 ) . The effect of grain boundary pearlite islands presumably depends on the mechanical ...
... boundary M - A constituent can have a significant effect , probably by acting as sites for fracture initiation as found by other workers ( 3,5 ) . The effect of grain boundary pearlite islands presumably depends on the mechanical ...
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 |
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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