Proceedings of the ... International Conference on Offshore Mechanics and Arctic Engineering, Volume 15, Part 3American Society of Mechanical Engineers, 1996 - Arctic regions |
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Page 51
Acicular ferrite , % Acicular ferrite , % 100 Root pass 80 Weld W6 V = 0.05 % Weld W11 V = 0.02 % 60 Weld W14 Weld W12 V = 0.02 % V = 0.04 % 40 20 0 ( a ) 100 Final pass 80 Acicular ferrite , % 100 80 Root pass Weld W6 V = 0.05 % 880 60 ...
Acicular ferrite , % Acicular ferrite , % 100 Root pass 80 Weld W6 V = 0.05 % Weld W11 V = 0.02 % 60 Weld W14 Weld W12 V = 0.02 % V = 0.04 % 40 20 0 ( a ) 100 Final pass 80 Acicular ferrite , % 100 80 Root pass Weld W6 V = 0.05 % 880 60 ...
Page 393
... root passes do not endanger the overall quality of the joint . These is a need to conduct systematic work to determine the fracture behaviour of undermatched HSLA steel welds By welding of 40 mm thick Q + T structural steel ( grade HT ...
... root passes do not endanger the overall quality of the joint . These is a need to conduct systematic work to determine the fracture behaviour of undermatched HSLA steel welds By welding of 40 mm thick Q + T structural steel ( grade HT ...
Page 396
... root layer does not significantly reduce the toughness compared to BM . But , it is significantly lower than that in homogeneous weld joint . Obviously , soft root layer has effected the strain distribution along the fatigue crack tip ...
... root layer does not significantly reduce the toughness compared to BM . But , it is significantly lower than that in homogeneous weld joint . Obviously , soft root layer has effected the strain distribution along the fatigue crack tip ...
Contents
CODES AND STANDARDS | 1 |
EFFECT OF WELDING PARAMETERS ON JOINT PROPERTIES | 35 |
UNDERWATER WELDING AND REPAIR | 85 |
Copyright | |
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Common terms and phrases
a'-martensite analysis applied as-welded assessment austenite Axial tension base metal behaviour bending brace brittle butt welds cathodic protection CFRC chord crack cold-rolling composition corrosion corrosion fatigue crack depth crack growth rates crack initiation crack tip cracked joints CTOD curve cycles defects effect electrode Engineering equations evaluation experimental failure fatigue crack growth fatigue tests ferrite Figure fracture mechanics fracture toughness geometry heat affected zone heat treatment high strength steels hydrogen increased inspection martensite material measured microstructure mis-match notch offshore structures parameters performance pipe predicted pressure procedure PWHT ratio reduced residual stresses riser root S-N curves saddle seawater shielding gas shown simulation specimens static strength stiffened joints stress intensity factor surface crack Table temperature tensile thickness titanium alloys tubular joints ultrasonic unstiffened values weld joint weld metal weld toe weldments wide plates yield strength