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 261
... coarse grained HAZ actually at the fatigue crack tip . If the original fatigue crack samples coarse grain > 80 μm ( ASTM 4 ) then a low CTOD value may be obtained . Such situations have caused both complete fractures and ' pop - ins ...
... coarse grained HAZ actually at the fatigue crack tip . If the original fatigue crack samples coarse grain > 80 μm ( ASTM 4 ) then a low CTOD value may be obtained . Such situations have caused both complete fractures and ' pop - ins ...
Page 279
... coarse grained zone , but especially for the SMAW weldments it was difficult to hit this zone at the prescribed depth of 3 mm , and only a few SMAW specimens had the notch positioned in the coarse grained zone . The best positioning was ...
... coarse grained zone , but especially for the SMAW weldments it was difficult to hit this zone at the prescribed depth of 3 mm , and only a few SMAW specimens had the notch positioned in the coarse grained zone . The best positioning was ...
Page 282
In several cases it was observed that ductile crack growth could occur through the coarse grained zone without triggering a brittle fracture , fig 13 . The majority of brittle fractures were preferenti- ally initiated in the coarse grained ...
In several cases it was observed that ductile crack growth could occur through the coarse grained zone without triggering a brittle fracture , fig 13 . The majority of brittle fractures were preferenti- ally initiated in the coarse grained ...
Contents
ADVANCED COMPOSITES | 1 |
A Study of the MultiLayered GRP Composite Cylindrical Vessel | 13 |
Resistance of Composite Structures to Impact Loads | 19 |
Copyright | |
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addition analysis applied areas assessment base bending brittle calculated carbon carried Charpy chemical chord coarse grained compared composite concrete considered cooling crack tip critical CTOD curve cycle defect depth determined developed direction distribution effect element energy Engineering examined fabrication factor failure fatigue crack ferrite Figure fracture mechanics fracture toughness fusion geometry growth hardness heat input higher impact increase initiation length load lower material maximum measured Mechanics method microstructures normal notch observed obtained occur offshore parameters performed plastic plate position present pressure problem procedure production properties range reduced region Research respectively sampled shown shows simulated specific specimens steel steel plates stiffeners strain strength stress structures surface Table temperature tensile thickness tubular values weld metal welded joints weldments wide yield zone