Proceedings of the ... International Conference on Offshore Mechanics and Arctic Engineering, Volume 3; Volume 7, Part 3American Society of Mechanical Engineers, 1988 - Arctic regions |
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Page 261
... coarse grained HAZ actually at the fatigue crack tip . If the original fatigue crack samples coarse grain > 80 μm ( ASTM 4 ) then a low CTOD value may be obtained . Such situations have caused both complete fractures and ' pop - ins ...
... coarse grained HAZ actually at the fatigue crack tip . If the original fatigue crack samples coarse grain > 80 μm ( ASTM 4 ) then a low CTOD value may be obtained . Such situations have caused both complete fractures and ' pop - ins ...
Page 282
In several cases it was observed that ductile crack growth could occur through the coarse grained zone without triggering a brittle fracture , fig 13 . The majority of brittle fractures were preferenti- ally initiated in the coarse ...
In several cases it was observed that ductile crack growth could occur through the coarse grained zone without triggering a brittle fracture , fig 13 . The majority of brittle fractures were preferenti- ally initiated in the coarse ...
Page 401
... Coarse Grain 10 % Coarse Grain 30 % Coarse Grain Bevel Weld As - Welded As - Welded PWHT 665 1 1 1 1 2 3 As - Welded 3 1 0 Crack Arrest LENGTH OF COARSE GRAIN INTERCEPTED BY ORIGINAL CRACK TIP AS IN FRACTURED WIDE PLATE TESTS 301 Coarse ...
... Coarse Grain 10 % Coarse Grain 30 % Coarse Grain Bevel Weld As - Welded As - Welded PWHT 665 1 1 1 1 2 3 As - Welded 3 1 0 Crack Arrest LENGTH OF COARSE GRAIN INTERCEPTED BY ORIGINAL CRACK TIP AS IN FRACTURED WIDE PLATE TESTS 301 Coarse ...
Contents
ADVANCED COMPOSITES | 1 |
PAS2m High Performance Prepreg and Composites | 9 |
OFFSHORE TECHNOLOGY GEOTECHNICAL ENGINEERING | 24 |
Copyright | |
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abrasion accelerated cooled analysis as-welded austenite axial boron brace brittle fracture CGHAZ Charpy Charpy-V chemical composition chord coarse grained concrete Conference on Offshore crack tip CSM CSM CTOD tests CTOD values curves defect dislocations effect electron beam welding fabrication ferrite fiber Figure finite element fracture mechanics fracture toughness fusion line grain coarsened HAZ HAZ toughness heat affected zone heat input hydrogen cracking ICCGHAZ impact increase kJ/mm layup loading low carbon martensite maximum mechanical properties Mechanics and Arctic mid-thickness niobium notch Offshore Mechanics offshore structures Oseberg parameters plastic post weld heat preheat PWHT regions residual stresses sampled solidification cracking specification specimens steel plates stiffeners strain stress concentration stress intensity factor submerged arc welding surface Table temperature tensile test results TMCP transverse tubular joints weld heat treatment weld metal weld toe weldability welded joints welding procedures weldment yield strength