Proceedings of the ... International Conference on Offshore Mechanics and Arctic Engineering, Volumes 3-5American Society of Mechanical Engineers, 1991 - Arctic regions |
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Page 51
... grain boundaries with an intragranular microstructure of ferrite with aligned second phase , the second phase being principally M - A constituent ( Fig . 2 ( c ) ) . However , examination of this steel in the SEM showed the grain ...
... grain boundaries with an intragranular microstructure of ferrite with aligned second phase , the second phase being principally M - A constituent ( Fig . 2 ( c ) ) . However , examination of this steel in the SEM showed the grain ...
Page 53
... grain 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 energetically favourable prior austenite grain ...
... grain 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 energetically favourable prior austenite grain ...
Page 54
... grain 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 ...
... grain 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 |
Measurement and Prediction of Welding Residual Stresses Using | 7 |
Prediction of Residual Stresses and Distortions in Welded Structures | 25 |
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aluminium amplitude analysis as-welded austenite axial bending calculated CGHAZ Charpy chemical composition coating components cooling corrosion crack front crack tip CTOD CTOD fracture toughness CTOD test CTOD value curves developed diameter distribution evaluation experimental factor fatigue crack fatigue strength ferrite Figure fracture mechanics fracture toughness gauges geometry Grade grain groove Gullfaks heat input ICCGHAZ increase kJ/mm living quarter load martensite Materials Engineering ASME measured mechanical properties method microstructure multi-pass narrow gap offshore structures OMAE parameters pearlite pipe plate thickness Pop-in prediction pressure PWHT residual stress riser S-N curves seawater shown simulation slot Statoil steel plate strain gauges stress concentration stress range surface notched Table tapered joint temperature tensile thickness effect titanium alloys TMCP tubular underwater welding weld metal weld toe welded joints Welding Institute welding procedure welding process welding residual stress weldments wire yield strength zone