Proceedings of the ... International Conference on Offshore Mechanics and Arctic Engineering, Volume 3American Society of Mechanical Engineers, 1990 - Arctic regions |
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Page 243
PROPAGATION AND INITIAL WELD FATIGUE CRACK DEFECT SIZE The fatigue crack propagation is well formulated by the Paris ' equation as follows . 9 daldN = C CAK ) ( 6 ) ( 4 ) For a case study , a brace node of a semisubmersible structure ...
PROPAGATION AND INITIAL WELD FATIGUE CRACK DEFECT SIZE The fatigue crack propagation is well formulated by the Paris ' equation as follows . 9 daldN = C CAK ) ( 6 ) ( 4 ) For a case study , a brace node of a semisubmersible structure ...
Page 289
The basic idea behind the damage tolerant design ( slow crack growth ) is that the structure is designed so that the maximum expected initial damage a ; = andt will not grow to critical size during service use .
The basic idea behind the damage tolerant design ( slow crack growth ) is that the structure is designed so that the maximum expected initial damage a ; = andt will not grow to critical size during service use .
Page 394
OBSERVED PHENOMENA POSSIBLE CAUSE RESPONSE Cold weld Energy too low Increase rpm Current too low Increase Voc Bulk heating Initial resistance too Decrease initial low contact force Upset too early Delay upset Blowout Initial resistance ...
OBSERVED PHENOMENA POSSIBLE CAUSE RESPONSE Cold weld Energy too low Increase rpm Current too low Increase Voc Bulk heating Initial resistance too Decrease initial low contact force Upset too early Delay upset Blowout Initial resistance ...
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Contents
ADVANCED COMPOSITES | 1 |
P R Godfrey and A G Davis | 15 |
Low Cost Manufactruring Technology for FireResistant Phenolic Matrix Composites | 21 |
Copyright | |
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analysis applications approach axial behaviour bending brace calculated chord combined compared components composite compression concrete connection considered construction corrosion crack growth critical curve cycles damage depth determined direction distribution effect element Engineering experimental factor failure fatigue fiber Figure finite element force fracture fracture mechanics geometry increase indicate influence initial internal intersection length limit load lower material maximum mean measured mechanics metal method mode nodes nominal normal notch observed obtained offshore offshore structures parameters performance pipe plate position predicted present pressure procedure production properties range ratio reinforcement Research resistance seal shear shell shown shows specimens steel stiffener strain strength stress concentration structures surface Table technique temperature tension thickness thread tube tubular joints weight weld