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 291
... PWHT requirement are beneficial with respect to minimising reductions in tensile strength . PWHT also affects the Charpy toughness of the parent plate . Charpy transition temperature is generally increased by PWHT and Fig.6 and 7 show ...
... PWHT requirement are beneficial with respect to minimising reductions in tensile strength . PWHT also affects the Charpy toughness of the parent plate . Charpy transition temperature is generally increased by PWHT and Fig.6 and 7 show ...
Page 292
... PWHT would have been higher too . Further evidence of the high levels of residual stress that can be present when a low PWHT temperature ( 550 ° C ) is used is illustrated by the work of Porter - Goff et al13 who made measure- ments on ...
... PWHT would have been higher too . Further evidence of the high levels of residual stress that can be present when a low PWHT temperature ( 550 ° C ) is used is illustrated by the work of Porter - Goff et al13 who made measure- ments on ...
Page 330
... PWHT ( to ensure the detection of defects and their repair ) and after ( because PWHT can bring about the opening up of defects held ' tight ' by the residual stresses ) . The result is that PWHT of nodes puts them on the critical path ...
... PWHT ( to ensure the detection of defects and their repair ) and after ( because PWHT can bring about the opening up of defects held ' tight ' by the residual stresses ) . The result is that PWHT of nodes puts them on the critical path ...
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