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 85
... hydrogen generated by the decomposition of water in the arc are responsible for the main problems related to this specific process : loss of deoxidizers , oxygen pickup , increase in oxide inclusions content , hydrogen - induced ...
... hydrogen generated by the decomposition of water in the arc are responsible for the main problems related to this specific process : loss of deoxidizers , oxygen pickup , increase in oxide inclusions content , hydrogen - induced ...
Page 403
... hydrogen may accumulate in the heat affected zone or in the weld metal . Therefore , the amount of hydrogen and its distribution in the weld joint can magnify the " mechanical " effects of over- matching and undermatching on weld ...
... hydrogen may accumulate in the heat affected zone or in the weld metal . Therefore , the amount of hydrogen and its distribution in the weld joint can magnify the " mechanical " effects of over- matching and undermatching on weld ...
Page 404
... hydrogen contents and different degrees of preheating , they determined in one case that the maximum hydrogen concentration peak was located in the heat affected zone , but closely adjacent to the fusion line ; and in a second case ...
... hydrogen contents and different degrees of preheating , they determined in one case that the maximum hydrogen concentration peak was located in the heat affected zone , but closely adjacent to the fusion line ; and in a second case ...
Contents
CODES AND STANDARDS | 1 |
EFFECT OF WELDING PARAMETERS ON JOINT PROPERTIES | 35 |
UNDERWATER WELDING AND REPAIR | 85 |
Copyright | |
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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