... germany government plate thickness fatigue strength butt-welded joint weld seam geometry upstream oil & gas wind energy imperfection geometry effective notch stress europe government iso 5817 fatigue test axial misalignment weld toe acc specimen fatigue resistance...

..., improvement of the local work hardening and reducing notch effect at the weld toe (Marquis and Barsoum, 2016). To estimate the fatigue life of HFMI treated structures, it is necessary to numerically investigate the RS field in HFMI treated welded joints. Some basic research involving numerical simulation...

... of butt welded joints was performed taking into account weld toe angle, weld width, weld reinforcement as well as misalignment (Bing, Xue, & Yang, 1994). In practice, the best and simple way to lessen stress concentration is to construct a geometry with a proper design. In fact, a simple graphical...

... structures always suffer different kinds of wave loads on the voyage, variable amplitude cyclic loading is the most common service environment of T-welded joint in ship and ocean assemblies (Mansour, A. E., 2003). Stress concentration due to the geometrical shape of weld toe and residual stress as well...

.... In this particular local detail, cracks usually initiated at the weld toe of attached stiffener on the longitudinal and grew thorough the longitudinal, and the hot spots are noted as shown in Fig. 1. Generally, longitudinals in ship structures adopted are mainly bulb flats due to its less asymmetric property...

... Abstract In this paper, the crack stress intensity factor in weld toe of T- joint under uniaxial and biaxial load is studied. A series of geometries of semi-elliptical surface cracks were selected as elementary crack geometries, the appropriate element size of crack tips are selected according...

... Abstract Longitudinal stiffener welded joint specimens with thick and wide base plate (t=20mm, W=100mm) and LTT elongated beads were prepared. Not only 10Cr-10Ni but also various low-cost LTT metals were used for these specimens. The residual stress in the vicinity of weld toe were measured...

... is presented. small defect fatigue resistance pittreated specimen artificially test result stress range ultrasound welding compression defect microstructure impact treatment metals & mining specimen weld toe herman as-welded specimen fatigue life statnikov fracture surface steel...

... Institute of Welding (IIW). steel co 2 base metal non-load-carrying fillet mechanical property fatigue performance recommendation weld toe welding position vicker hardness profile joint specimen gap size mild steel experimental result higher fatigue performance flank angle fillet...

... compressive residual stress relaxation well integrity pipeline corrosion scheme 2 compressive cycle international institute weld toe fatigue testing subsurface corrosion weld root flowline corrosion Effect of Ultrasonic Peening on Fatigue Strength of Welded Marine Structures - Lloyd s Register...

... fatigue test result strength test result stress range fatigue strength longitudinal attachment fatigue test fatigue testing sn curve attachment compressive cycle weld toe Fatigue Testing to Identify Effect of Mean Stress on Fatigue Strength of Welded Joints in Ship Structures Helena...

... tensile residual stress residual stress base metal specimen residual stress distribution diffraction steel strength neutron diffraction metals & mining fatigue strength weld toe mpa longitudinal stiffener loading direction Residual Stresses in Welded Steels with Longitudinal...

... result calculation principal stress material parameter fem analysis tension test isope failure criteria weld toe Ultimate Capacity of Non Load Carrying Weld of a Structural Steel with Yield Strength 960 MPa Ilkka Valkonen Rautaruukki Oyj Hämeenlinna, Finland ABSTRACT In this paper, the failure...

... sample sonsino weld toe face side stress amplitude stress concentration specimen load cycle longitudinal stiffener Fatigue Performance of Welded Steel Longitudinal Stiffeners Jonas Hensel, Thomas Nitschke-Pagel and Klaus Dilger Institute of Joining and Welding, Technische Universität...

... The local stress increase near the weld toe of welded joints can be subdivided into membrane stress, shell bending stress and the nonlinear distribution stress (NDS) caused by the weld itself. The NDS is often ignored in the stress intensity factor (SIF) estimation of a surface crack at the weld...

... is modeled by fracture mechanics adopting the Paris law. Such model is able to take into account the effect of the global geometry of the joint and of the local geometry considering weld toe, weld imperfections, residual stresses and consequent local rising of mean stress during stress cycling. The model...

... in guidelines for fatigue assessment of ship and offshore structures developed by classification societies (ABS, 2003; DNV, 2005). shell element hot spot stress approach solid model structural stress weld toe fe model hot spot stress geometry fatigue assessment longitudinal nominal stress...

... tensile residual stresses at the critical weld toe where the fatigue cracks usually start are expected mostly independent from the type of steel. Furthermore it is supposed that the geometrical conditions around these stiffeners produce strong restraint conditions which also enable higher residual stress...

... crack mean strength equation crack extension configuration equation burdekin weld toe joint strength fracture failure strength thick-walled ch x-joint Crack Driving Force and Ultimate Strength of Thick-walled CHS X-Joints with Near-Toe Cracks Xuejun Wang, Jer-Fang Wu Singapore Offshore...

... surface treatment strength residual stress profile compressive residual stress penetration depth welding intensity weld toe residual stress condition ABSTRACT Investigations on high strength steel S690QL butt welds with different mechanical post weld surface treatments have been carried...