Proceedings of the ... International Conference on Offshore Mechanics and Arctic Engineering, Volumes 3-4American Society of Mechanical Engineers, 1992 - Arctic regions |
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Page 53
... cycle and could degrade markedly with either faster or slower cycles than the optimum . On the other hand , the as - received materials having originally poor toughness in the T orientation were relatively insensitive to thermal cycle ...
... cycle and could degrade markedly with either faster or slower cycles than the optimum . On the other hand , the as - received materials having originally poor toughness in the T orientation were relatively insensitive to thermal cycle ...
Page 55
... cycle 2 , which appears to be optimum . Overall , the effect of varying in thermal cycles can be summarised by an initial improvement in toughness from cycle 1 to an optimum with cycle 2 and a subsequent degradation with the slower cycles ...
... cycle 2 , which appears to be optimum . Overall , the effect of varying in thermal cycles can be summarised by an initial improvement in toughness from cycle 1 to an optimum with cycle 2 and a subsequent degradation with the slower cycles ...
Page 252
... cycles at which point the maximum saddle crack depth was 5.6mm . The specimen was then loaded in in- plane - bending ( test IPB - 1A ) . The hot spot stress range was 224 MPa and R was -1 . Loading was discontinued after 240,000 cycles ...
... cycles at which point the maximum saddle crack depth was 5.6mm . The specimen was then loaded in in- plane - bending ( test IPB - 1A ) . The hot spot stress range was 224 MPa and R was -1 . Loading was discontinued after 240,000 cycles ...
Contents
WELD METAL AND HAZ PROPERTIES | 1 |
ADVANCES IN STEEL AND WELDING | 65 |
Development of HSLA Steel With 80Ksi Yield Strength for Offshore Tubular Applications | 73 |
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alloys analysis applied assessment ASTM austenite axial load base metal behaviour bending bolt bolted joint brace brittle calculated cathodic protection CGHAZ chord composite crack depth crack growth rates crack propagation CTOD curve defect diameter distribution duplex effect elastic elastomers electrode energy equations experimental failure fatigue crack growth ferrite finite element fracture mechanics fracture toughness geometry grain heat affected zone heat input HSLA steels hydrogen hyperbaric increase interaction Materials Engineering ASME metal yield strength method microstructure nitrogen notch obtained Offshore Structures OMAE parameters pipe plastic plate predictions preferential corrosion pressure procedure properties ratio region seawater shielding gas shown in Figure simulated solution sour crude oil specimens stainless steel stiffener strain stress concentration stress intensity factor stress range surface Table temperature thermal cycle thickness thread titanium tube tubular joints underwater values weld toe welded joints weldment wire yield strength