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 146
... Initial AK Δ 11.18 O 16.88 10-6 * Tests in this category were performed at too low a AK to definitively disclose the transition da / dN . do o Effect of Initial AK = Figure 13 presents two sets of FCGR data for EH36 ( R 0.5 , CP = -0.80 ...
... Initial AK Δ 11.18 O 16.88 10-6 * Tests in this category were performed at too low a AK to definitively disclose the transition da / dN . do o Effect of Initial AK = Figure 13 presents two sets of FCGR data for EH36 ( R 0.5 , CP = -0.80 ...
Page 257
... initial yield strength Ratio of applied tensile stress to initial yield strength Parametric angle of semi - elliptical surface crack front & 1. INTRODUCTION Fatigue failure in structural components almost invariably begins at a ...
... initial yield strength Ratio of applied tensile stress to initial yield strength Parametric angle of semi - elliptical surface crack front & 1. INTRODUCTION Fatigue failure in structural components almost invariably begins at a ...
Page 65
... initial hoop and axial stresses due to an internal pressure are about 30 to 40 % higher than the elastic limit ... initial hoop stress = 0.4 fy 30- 25 20 15 10- 5+ no initial hoop stress - DЛt = 30 DɅt = 45 DɅt = 30 DɅt = 45 max . stress ...
... initial hoop and axial stresses due to an internal pressure are about 30 to 40 % higher than the elastic limit ... initial hoop stress = 0.4 fy 30- 25 20 15 10- 5+ no initial hoop stress - DЛt = 30 DɅt = 45 DɅt = 30 DɅt = 45 max . stress ...
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