Proceedings of the ... International Conference on Offshore Mechanics and Arctic Engineering, Volume 11, Part 3American Society of Mechanical Engineers, 1992 - Arctic regions |
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Page 34
... initiation sites in these tests , it was judged that at -30 ° C , there would be an acceptable difference between the mean toughness of the local brittle zones ( GCHAZ > 50 μm ) and the surrounding material , i.e. , it was anticipated ...
... initiation sites in these tests , it was judged that at -30 ° C , there would be an acceptable difference between the mean toughness of the local brittle zones ( GCHAZ > 50 μm ) and the surrounding material , i.e. , it was anticipated ...
Page 474
... initiation of a crack . This supports the conclusion of Hancock et al . ( 1991 ) that the CTOD ( plastic strain ) required for initiation of crack growth in A710 steel is a function of con- straint . The microtopography system provided ...
... initiation of a crack . This supports the conclusion of Hancock et al . ( 1991 ) that the CTOD ( plastic strain ) required for initiation of crack growth in A710 steel is a function of con- straint . The microtopography system provided ...
Page 580
... initiation results compared with air , see Figure 7 . This data suggests no consistent improvement in the time to first initiation compared with air . However , the crack shape development for the two specimens tested in seawater with ...
... initiation results compared with air , see Figure 7 . This data suggests no consistent improvement in the time to first initiation compared with air . However , the crack shape development for the two specimens tested in seawater with ...
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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amplitude analysis applied assessment austenite axial load base metal behaviour bending bolt bolted joint brace brittle calculated CGHAZ chord composite compression crack depth crack front CTOD curve defects delamination diameter duplex effect elastic elastomer energy equations experimental failure fatigue crack growth fatigue tests ferrite finite element flexelement fracture mechanics fracture toughness fume Geesthacht geometry grain heat affected zone heat input HNBR HSLA Steels hydrogen hyperbaric increase interaction laminate layer metal yield strength method microstructure nitrogen notch obtained Offshore Structures OMAE parameters pipe plastic predictions preferential corrosion pressure procedure properties ratio region shear Shielding gas shown in Figure specimens stainless steels strain stress concentration stress intensity factors stress range surface crack T-joint Table temperature tensile strength tension thermal cycle thickness thread tubes tubular joints underwater values weld toe welded joints weldment wire yield strength zone