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 82
... cycles for complete fracture . In the HY - 80 the undermatched specimens failed between 14,500 and 16,500 cycles , overmatched specimens failed between 21,000 and 25,500 cycles , and the base plate failed at 20,000 cycles . In the HY ...
... cycles for complete fracture . In the HY - 80 the undermatched specimens failed between 14,500 and 16,500 cycles , overmatched specimens failed between 21,000 and 25,500 cycles , and the base plate failed at 20,000 cycles . In the HY ...
Page 161
... cycles , however , are partly based on different definitions of the end of a test . For the purposes of the European Offshore investigations , the following definitions have been prepared : ΝΙ number of cycles causing stress or strain ...
... cycles , however , are partly based on different definitions of the end of a test . For the purposes of the European Offshore investigations , the following definitions have been prepared : ΝΙ number of cycles causing stress or strain ...
Page 197
... cycles following large cycles , the crack closure stress is lowered , and AK increases eff [ 19 ] . Nevertheless , current design codes maintain a notional damage sum of unity as a failure criterion , which is clearly nonconservative ...
... cycles following large cycles , the crack closure stress is lowered , and AK increases eff [ 19 ] . Nevertheless , current design codes maintain a notional damage sum of unity as a failure criterion , which is clearly nonconservative ...
Contents
FATIGUE AND DEFORMATION | 1 |
FRACTURE ASSESSMENT AND ANALYSIS | 37 |
FATIGUE DESIGN AND DETECTION | 73 |
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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