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 53
... austenite grain boundaries . The formation of grain boundary microphases has been discussed in some detail by Sparkes ( 9 ) . On reheating , nucleation of austenite occurs preferentially on the grain austenite favourable prior ...
... austenite grain boundaries . The formation of grain boundary microphases has been discussed in some detail by Sparkes ( 9 ) . On reheating , nucleation of austenite occurs preferentially on the grain austenite favourable prior ...
Page 58
... austenite is ascertained by these three techniques . In particular , as displayed by fig . 8 , and explained by Maurickx et al ( 1986 ) , X.R.D. and M.S. allow the estimate of the Yr volume fraction that can reach up to 10 % at the 900 ...
... austenite is ascertained by these three techniques . In particular , as displayed by fig . 8 , and explained by Maurickx et al ( 1986 ) , X.R.D. and M.S. allow the estimate of the Yr volume fraction that can reach up to 10 % at the 900 ...
Page 59
... austenite stabilization in the C.G.H.A.Z .. IDEFFECT OF THE MICROSTRUCTURE ON THE I.C.H.A.Z. TOUGHNESS The toughness ... austenite volume fraction before impact testing , and not the sum of the primitive austenite martensite volume ...
... austenite stabilization in the C.G.H.A.Z .. IDEFFECT OF THE MICROSTRUCTURE ON THE I.C.H.A.Z. TOUGHNESS The toughness ... austenite volume fraction before impact testing , and not the sum of the primitive austenite martensite volume ...
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 |
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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