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 57
... samples , that leads to a random ferrite nucleation during cooling . In contrast , in the B - samples , the C / Mn enriched bands exhibits a lower nucleation temperature and growth rate of ferrite . In accordance with TP , in or close ...
... samples , that leads to a random ferrite nucleation during cooling . In contrast , in the B - samples , the C / Mn enriched bands exhibits a lower nucleation temperature and growth rate of ferrite . In accordance with TP , in or close ...
Page 59
... samples simulated at At = 25 s . The intergranular carbides are expected to be ineffective on the toughness for the present samples . This conclusion arises from the low density of these grain boundary precipitates that agrees with the ...
... samples simulated at At = 25 s . The intergranular carbides are expected to be ineffective on the toughness for the present samples . This conclusion arises from the low density of these grain boundary precipitates that agrees with the ...
Page 60
... samples with , for consequence , for consequence , a better crack initiation resistance . 6 8 10 12 Austenite Vol . fraction ( % ) Fig.11 - Evolution of the -40 ° C CVN toughness with the primitive austenite volume fraction ( H - samples ) ...
... samples with , for consequence , for consequence , a better crack initiation resistance . 6 8 10 12 Austenite Vol . fraction ( % ) Fig.11 - Evolution of the -40 ° C CVN toughness with the primitive austenite volume fraction ( H - samples ) ...
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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alloys analysis austenite axial base metal bead behaviour brittle CGHAZ Charpy chemical composition cooling corrosion crack front crack tip critical CTOD CTOD fracture toughness CTOD test CTOD value deformation distribution effect experimental fatigue crack ferrite Figure Fracture Mechanics fusion boundary gauges grain coarsened HAZ groove HAZ region HAZ toughness heat affected zone heat input hydrogen cracking hyperbaric ICCGHAZ inherent strain intercritical kJ/mm load martensite measured mechanical properties method microstructure multi-pass welds narrow gap notched panel obtained OMAE peak temperature pearlite pipe plastic plate thickness Pop-in pressure PWHT reheated samples shielding gas simulation single-U Statoil steel plates steel TM1 strain gauges submerged arc welding surface notched specimen Table tempered tensile thermal cycle through-thickness notched titanium TMCP steel underwater welding weld metal weld passes welded joint welding conditions Welding Institute welding parameters welding procedure welding process welding residual stress weldments width yield strength