Proceedings of the ... International Conference on Offshore Mechanics and Arctic Engineering, Volume 10American Society of Mechanical Engineers, 1991 - Arctic regions |
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Page 55
... microstructure and of the welding energy on the I.C.H.A.Z. microstructure and , therefore on the fracture mechanism . EXPERIMENTAL PROCEDURE Table 1 gives the chemical composition and the mechanical properties of the 75 mm thick base ...
... microstructure and of the welding energy on the I.C.H.A.Z. microstructure and , therefore on the fracture mechanism . EXPERIMENTAL PROCEDURE Table 1 gives the chemical composition and the mechanical properties of the 75 mm thick base ...
Page 78
... microstructure on crack front ( a ) Weld of steel TM1 Absorbed energy at 0 ° C , J 500 400 300 200 100 0 T Steel NM u = 0.31 ( at -10 ° C ) U HAZ microstructure on crack front ( b ) Weld of steel NM small distance ( less than 2 mm ) ...
... microstructure on crack front ( a ) Weld of steel TM1 Absorbed energy at 0 ° C , J 500 400 300 200 100 0 T Steel NM u = 0.31 ( at -10 ° C ) U HAZ microstructure on crack front ( b ) Weld of steel NM small distance ( less than 2 mm ) ...
Page 139
... microstructure of welded joint after PWHT . The microstructure consists of fine grained ferrite and bainite . Coarse- grained ferrite and upper bainite structure observed in as - welded condition was changed to this microstructure by ...
... microstructure of welded joint after PWHT . The microstructure consists of fine grained ferrite and bainite . Coarse- grained ferrite and upper bainite structure observed in as - welded condition was changed to this microstructure by ...
Contents
RESIDUAL STRESS AND DISTORTION IN WELDS | 1 |
WELD METAL AND HAZ PROPERTIES | 37 |
The Effect of Intercritical Thermal Cycles on HAZ Microstructure and Toughness in CMnAlNb | 49 |
Copyright | |
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Common terms and phrases
aluminium austenite axial base metal bead behaviour brittle CGHAZ Charpy Charpy impact test chemical composition coating cooling corrosion crack front crack tip critical CTOD CTOD fracture toughness CTOD test CTOD value deformation developed distribution effect energy evaluation experimental fatigue crack ferrite Figure gauges Grade grain coarsened HAZ groove HAZ toughness heat input hydrogen cracking ICCGHAZ inherent strain intercritical kJ/mm load martensite Materials Engineering ASME measured mechanical properties method microstructure narrow gap notched panel obtained OMAE peak temperature pearlite pipe pipeline Pop-in pressure PWHT reheated residual stress samples seawater shielding gas simulation single-U Statoil steel plates steel TM1 strain gauges submerged arc welding surface notched specimen Table tempered tensile strength thermal cycle through-thickness notched TMCP steels underwater welding Volume III-A weld metal weldability welded joint welding conditions Welding Institute welding parameters welding procedure welding process welding residual stress weldment width yield strength