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 91
... addition of a small amount of Nb is very effective in strengthening of material , though the addition of more than 0.04 % is not desirable because a drop of the minimum toughness takes place in the subcritically reheated coarse grained ...
... addition of a small amount of Nb is very effective in strengthening of material , though the addition of more than 0.04 % is not desirable because a drop of the minimum toughness takes place in the subcritically reheated coarse grained ...
Page 96
... addition of niobium up to a certain niobium content improved the toughness of steel plates . It should be noted that the addition of niobium toughens 0.03 % carbon steels more than it does 0.07 % carbon steels . This remarkable ...
... addition of niobium up to a certain niobium content improved the toughness of steel plates . It should be noted that the addition of niobium toughens 0.03 % carbon steels more than it does 0.07 % carbon steels . This remarkable ...
Page 97
... addition of nickel improved both the strength and toughness . The addition of copper increased the strength without embrittling steel plates and HAZ , while excessive content of niobium lowered the toughness . Therefore , nickel and ...
... addition of nickel improved both the strength and toughness . The addition of copper increased the strength without embrittling steel plates and HAZ , while excessive content of niobium lowered the toughness . Therefore , nickel and ...
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