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 3
... mean stress on the fatigue life of drillpipe , extensive residual stress measurements were performed . Since the phenomenon of fatigue crack initiation is influenced by local surface features such as local variations of residual ...
... mean stress on the fatigue life of drillpipe , extensive residual stress measurements were performed . Since the phenomenon of fatigue crack initiation is influenced by local surface features such as local variations of residual ...
Page 4
... mean stress ( taken as the sum of the residual stresses and the applied stress ) is later found to affect the fatigue life . In a corrosive environment the effect of surface residual stresses would be reduced since the corrosive test ...
... mean stress ( taken as the sum of the residual stresses and the applied stress ) is later found to affect the fatigue life . In a corrosive environment the effect of surface residual stresses would be reduced since the corrosive test ...
Page 217
... mean curves for the two environments are close to each other with the air curve giving the longest fatigue lives . This figure also shows the mean F curve adjusted to 30 mm plate thickness and a mean curve for CA data in air as reported ...
... mean curves for the two environments are close to each other with the air curve giving the longest fatigue lives . This figure also shows the mean F curve adjusted to 30 mm plate thickness and a mean curve for CA data in air as reported ...
Contents
FATIGUE AND DEFORMATION | 1 |
FRACTURE ASSESSMENT AND ANALYSIS | 37 |
FATIGUE DESIGN AND DETECTION | 73 |
Copyright | |
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analysis applied Arctic Engineering as-welded ASME assessment axial bending cathodic protection Charpy cold deformation corrosion crack growth rate crack propagation crack tip CTOD cycles depth diameter displacement drillpipe elastic electrode equation experimental factor failure fatigue crack growth fatigue strength ferrite finite element fracture mechanics fracture toughness geometry hoop stress hydrogen Ice Class increase load material maximum mbar Mechanics and Arctic method microstructure modulus nitrogen notch obtained Offshore Mechanics offshore structures OMAE operating oxygen parameters pipe pipeline plastic predicted pressure properties ratio region residual stress S-N curve scour sea ice sea water shear shielding gas simulated soil sour crude oil specimens strain rate stress intensity stress range stress relieved surface Table temperature tensile TMCP tubular joints values wall thickness water hammer weld deposit weld metal weld toe welded joints wire yield strength Young's modulus