[PDF] Top 20 Finite Element Modelation of Temperature and Residual Stress Caused by Welding

... The temperature field and the residual stress were obtained using the finite element method (FEM), for a plane plate with a single-pass ...the temperature field was calculated ... See full document

... these residual stresses in the welding process is very complicated and there is no analytical solution to calculate it due to highly nonlinear behavior ...especially finite element method in ... See full document

... that finite element coupled field thermal and structural analytical studies for evaluating residual stresses using ANSYS birth and death analysis have been carried out on butt and fillet welds, but ... See full document

... resulting temperature distribution from the ‘transient thermal’ model was inserted to another ‘Static structural’ module on the ‘Project Schematic’ window as the sequential coupling between thermal and structural ... See full document

... The welding process is an integral manufacturing procedure in many engineering and structural component, having a direct influence on the integrity of the components and their thermal and mechanical behaviour ... See full document

... a finite length weld repair has not been clearly demonstrated in the literature and there are currently no universally accepted guidelines for performing such analy- ...of stress. A pre-existing ... See full document

... the welding residual stresses needs to accurately consider the relations between heat transfer, metal- lurgical transformations, and mechanical ...the temperature in the molten area, can be taken ... See full document

... these residual stresses in the shell affects the reliability of the encapsulated ...the residual stress inside the shell is too large, deformation, cracking and air leakage of the encapsulated device ... See full document

... measure residual stresses, however, most of them are expensive and ...a welding process is dissipated through convection, conduction and radiation, a severe temperature gradient would exist around ... See full document

... shear stress takes the value of the shear yield stress of the workpiece material (𝜏 !"#$ = 𝜏 ! ) and heat is generated by plastic deformation rather than friction (Grant, 2009; Maalekian, ...peak ... See full document

... With an aim of improving the mechanical properties of weld joints through inducing of favourable changes in the weld microstructures, an auxiliary vibratory set up capable of inducing mechanical vibrations into the weld ... See full document

... on welding microstructure has not been reported so ...in residual stresses and the others con- cluded with a negative ...reducing residual stress from a ... See full document

... Residual stress resulting from two combined cases first, exceeding the elastic limit due to plastic deformation in presence of a temperature gradient in ...Second, Residual stress ... See full document

... room temperature to melt temperature, along with applying the weld material at melt temperature and cooling to room temperature captures this behaviour in a simplified ...satisfactory ... See full document

... membrane residual stress component for the fixed condition at pipe end, σ b r is transverse bending stress component, σ ys is yielding strength, σ ys 0 is reference yielding ... See full document

... on residual hoop stress was considered by the example of autofrettaged thick-walled ...by finite-element method for plane-strain ...the residual stress distributions and reduced ... See full document

... In order to study the residual stress and material responses under high amplitude, low-cycle fatigue loading, 3D finite element analyses of a socket welded joint [r] ... See full document

... on temperature distribution during laser transmission welding of polycarbonate is investigated in the present research ...process. Temperature field was obtained by a numerical solution the transient ... See full document

... After welding, a centre crack of length 2a (a = l) was then introduced into the middle of the weld and remote tension perpendicular to the crack plane applied at the ends of the plate ...combined residual ... See full document

... specimens, temperature histories and hardness profiles that were evaluated by finite element analysis were in good correlation with the experimental ...of welding, results of the simulation ... See full document