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 46
... CGHAZ CTOD test results . That is , it is techni- cally not justified to impose testing requirements which are supposed to model situation which never occur in fabrication welds . Accepting that the 15 % CGHAZ requirement is a real ...
... CGHAZ CTOD test results . That is , it is techni- cally not justified to impose testing requirements which are supposed to model situation which never occur in fabrication welds . Accepting that the 15 % CGHAZ requirement is a real ...
Page 46
... CGHAZ CTOD testing of low heat input levels was assessed by comparing the probability levels of sampling the etched and CGHAZ regions of a number of potential crack tip locations . This observation bring us to a fundamental problem . As ...
... CGHAZ CTOD testing of low heat input levels was assessed by comparing the probability levels of sampling the etched and CGHAZ regions of a number of potential crack tip locations . This observation bring us to a fundamental problem . As ...
Page 114
... CGHAZ size CGHAZ mentioned above . For the through - thickness notched type specimens , the total Tp = 1150 ° C Fusion line Weld metal CGHAZ Other microstructures ICGHAZ = Σli i = 1 CGHAZ size CGHAZ falls in a small range of 10 to 13mm ...
... CGHAZ size CGHAZ mentioned above . For the through - thickness notched type specimens , the total Tp = 1150 ° C Fusion line Weld metal CGHAZ Other microstructures ICGHAZ = Σli i = 1 CGHAZ size CGHAZ falls in a small range of 10 to 13mm ...
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