..., the characterization of the stress field surrounding cracks originated from welded joints is a challenging task, where weld quality should be carefully considered, e.g., weld geometry, initial defects, residual stresses, and surrounding environment. Initial defects, commonly found near weldments, can rapidly propagate...

... welding distortion simulator distortion cad model transverse shrinkage shipbuilding weldment deformation piola-kirchhoff stress tensor contour shell element boundary condition angular distortion distortion analysis hull structure young-jo cheon buckling distortion analysis...

..., temperature dependent and yield point was defined according to von-Mises yield stress. heat input fabrication method transverse shrinkage expansion pipe deformation weldment welding distortion production control reservoir surveillance distortion phase transformation analysis result...

... Abstract Several corrosion damages of 304 stainless steel weldment in Selective Non-Catalytic Reaction (SNCR) process have been reported. In the present study, the effects of different filler metals and passivation treatment on the weldments (304 base welded with ER308, 316, 310, 2209 and 316L...

... cyclic load residual stress redistribution evaluation restraint degree weldment transverse residual stress redistribution residual stress h-slit type specimen weld center maximum transverse residual stress butt weld A Study on Evaluation of Residual Stress Redistribution of Ultra-Thick...

... Abstract Over the past decade, it has been a continuously growing interest in exploration of oil and gas in the arctic region. The harsh, cold climate imposes challenging tasks which concern the structural integrity of steels and their weldments. Specific knowledge of metals behavior...

... ABSTRACT: The purpose of this study is to establish an alternative for the unstable fracture due to the embedded crack at the hatch coaming FCA butt weldment in the ultra large containership during service life. In order to do it, the level of primary stress induced by ship motion...

... ABSTRACT: The Purpose of this study is to establish the proper working condition for the trail rolling method (TRM) in order to control the buckling distortion of aluminum GMA butt weldment. For it, at first, the variations of longitudinal welding shrinkage force of the butt weldment...

... in heat affected zone. The results show that the fracture driving force decreases with increase of weld strength, and the softened region in the undermatched weldment has stronger effects on the fracture driving force of the girth weld than that in the overmatched weldment. INTRODUCTION...

... that the current widely used yield strength mismatch concept is not sufficient to evaluate the strain capacity of a defect-free weldment. KEY WORDS: Cross weld tensile testing, digital image correlation, finite element analysis, mismatch, strain based design. INTRODUCTION In the past, most of the pipelines have...

... is challenged. In this paper the effect of surface- vs. through thickness notching in fracture mechanics testing of the HAZ of weldments is examined experimentally and with FE (Finite Element) modeling. The standardized test specimen for lower bound fracture toughness testing is the deeply notched through...

... pipeline instrumented indentation technique equation indenter tensile property mechanical property assessment database system api pipe dongseong ro iit evaluation weldment instrumented indentation test tensile testing indentation test hardness strength indentation load Using...

... 20 layers of weldment. The characteristics of residual stresses in FCW welds of high tensile strength steels (EH40, API-2W Gr. 50) whose tensile strengths were 400 MPa and 500 MPa, respectively is investigated by the FEA and the measurement. Three-dimensional thermal elastic-plastic analyses were...

... ABSTRACT This study has been tried to establish the predictive equations for the level of transverse restraint stress and the distribution of transverse residual stress of a thick FCA weldment for the erection stage of a large container carrier using FEA and experiment. In order to do...

... ABSTRACT S-N fatigue tests were carried out on weldments of 9% nickel steel, which is often used in cryogenic applications. The objective was to confirm that the fatigue behavior at cryogenic temperature was at least as good as that at room temperature. The cruciform specimens were similar...

... is shown in Fig.1 in detail. steel maker grade steel strength welding process weldment tensile test higher-strength hull structural steel tandem electroga welding base metal specimen marine transportation steel plate welding average heat input tensile strength test method thickness...

...). weldment procedure deformation piping simulation application qualification offshore pipeline toughness midstream oil & gas strength lillig overmatch strain capacity high-strain application variation linepipe welding procedure requirement engineering weld metal piping design...

... A series of S-N fatigue tests was conducted on weldments of nine percent nickel steel, which is often used in cryogenic applications. The objective was to confirm that the fatigue behavior conformed to that assumed in structural designs involving carbon steel weldments. The specimens were...

... The purpose of this study is to establish the predictive equations for welding distortion and residual stress in the weldment of 9% Ni steel in consideration of the solid-state transformation. In order to do it, high speed quenching dilatometer is used to evaluate the coefficient of thermal...

... Fatigue characteristics of a fatigue resistant steel weldment have been studied. The steel consisted of a mixture of soft ferrite and hard bainite. FCA weldment and SA weldment were prepared with K groove and single bevel groove butt joint, respectively. Fatigue strength of the FCA weldment...