Proceedings of the ... International Conference on Offshore Mechanics and Arctic Engineering, Volume 13, Parts 3-5American Society of Mechanical Engineers, 1994 - Arctic regions |
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Page 145
... ratio 0.8 , as summarized in Table 3 in comparison to data for stress ratio 0.5 . Thus , the transition crack growth rates for -0.80 , -0.95 and -1.10v at stress ratio 0.8 increased with decreasing potential , as also occurred for R ...
... ratio 0.8 , as summarized in Table 3 in comparison to data for stress ratio 0.5 . Thus , the transition crack growth rates for -0.80 , -0.95 and -1.10v at stress ratio 0.8 increased with decreasing potential , as also occurred for R ...
Page 163
... ratio ( e.g. from 0.5 to 0.8 ) , while the wall thickness ratio is kept constant . The failure mode : " crack starting from the inside of the hollow section " , which is found for joints with high diameter ratio ( d / do > 0.8 ) and ...
... ratio ( e.g. from 0.5 to 0.8 ) , while the wall thickness ratio is kept constant . The failure mode : " crack starting from the inside of the hollow section " , which is found for joints with high diameter ratio ( d / do > 0.8 ) and ...
Page 175
... ratio of 0.1 , the effective R - ratio will depend on the residual stress . In order to check this hypothesis , a set of crack growth tests were conducted at a constant K where crack closure is minimal . As shown in Figure 3 , under the ...
... ratio of 0.1 , the effective R - ratio will depend on the residual stress . In order to check this hypothesis , a set of crack growth tests were conducted at a constant K where crack closure is minimal . As shown in Figure 3 , under the ...
Contents
FATIGUE AND DEFORMATION | 1 |
FRACTURE ASSESSMENT AND ANALYSIS | 37 |
FATIGUE DESIGN AND DETECTION | 73 |
Copyright | |
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analysis angle applied ASME assessment axial behaviour bending calculated cathodic protection corrosion crack growth rate crack propagation crack tip CTOD cycles deformation developed diameter displacement drillpipe dynamic elastic equation experimental factor failure fatigue crack growth fatigue strength ferrite finite element fracture mechanics fracture toughness free span geometry heat hoop stress hydrogen Ice Class increase initial installation J-Lay length limit load material maximum mbar method microstructure modulus nitrogen notch obtained offshore structures OMAE operating parameters pipe pipeline plastic Poisson's ratio predicted pressure ratio repair residual stress S-N curve scour sea ice sea water shielding gas simulated soil sour crude oil specimens steel strain rate stress intensity stress range surface Table Technology temperature tensile tubular joints values wall thickness water depth weld deposit weld metal weld toe weldment size effect wire yield strength Young's modulus