Proceedings of the ... International Conference on Offshore Mechanics and Arctic Engineering, Volume 3; Volume 7, Part 3American Society of Mechanical Engineers, 1988 - Arctic regions |
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Page 277
... Notch toughness at -40 ° c1 ) ( MPa ) ( MPa ) ( % ) ( % ) ( J ) A 377 495 32 · 227 B 353 498 29 76 238 C 377 501 34 233 D 332 522 32 162 1 ) Average of three tests , transverse specimens . steels are delivered from three different ...
... Notch toughness at -40 ° c1 ) ( MPa ) ( MPa ) ( % ) ( % ) ( J ) A 377 495 32 · 227 B 353 498 29 76 238 C 377 501 34 233 D 332 522 32 162 1 ) Average of three tests , transverse specimens . steels are delivered from three different ...
Page 279
... notches ( a / W - 0.06 , EDM notch ) were introduced in the SMAW and SAW weldments , fig 10. The aim was to position the notch tip in the coarse grained zone , but especially for the SMAW weldments it was difficult to hit this zone at ...
... notches ( a / W - 0.06 , EDM notch ) were introduced in the SMAW and SAW weldments , fig 10. The aim was to position the notch tip in the coarse grained zone , but especially for the SMAW weldments it was difficult to hit this zone at ...
Page 312
... notch - root stress amplitude , the stress at the weld discontinuity , can be related to the remote stress using the fatigue notch factor ; so that Eq . 1 becomes : ( AS / 2 ) K - ( σ ; - om ) ( 2N ) b [ 2 ] where AS is the remote ...
... notch - root stress amplitude , the stress at the weld discontinuity , can be related to the remote stress using the fatigue notch factor ; so that Eq . 1 becomes : ( AS / 2 ) K - ( σ ; - om ) ( 2N ) b [ 2 ] where AS is the remote ...
Contents
ADVANCED COMPOSITES | 1 |
PAS2tm | 9 |
OFFSHORE TECHNOLOGY GEOTECHNICAL ENGINEERING | 24 |
Copyright | |
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abrasion addition analysis applied assessment base behaviour brittle carbon carried Charpy chemical chord compared composition concrete considered cooling critical CTOD curves cycle defect depth developed direction distribution effect element energy Engineering examined fabrication factor failure fatigue crack ferrite Figure fracture fracture mechanics fracture toughness fusion geometry grain growth hardness heat input higher impact increase indicated initiation joint length loading lower material maximum measured Mechanics method microstructures normal notch observed obtained occur offshore structures parameters performed plate position practice present pressure problem procedure production properties PWHT range reduced regions respectively sampled shown shows simulated specification specimens steel steel plates stiffeners strain strength stress structures surface Table temperature tensile thermal thickness toughness treatment tubular joints values weld metal welded joints yield zone