, the finite element software computing results, comparing with the results of mechanics of elasticity formula of hollow spherical wall ring correction to stress in a reasonable manner to establish wall hollow hoop stress at different axial compression condition under the range of stress formula....
In the initial stages of welding steel through FSW, molybdenum and tungsten tools were adopted. The main limitation of these FSW tools is that they are fractured and deformed during plunging into steels [26]. The deformations are happened due to the high axial force while plunging the tool int...
To obtain more accurate force values and moment values for the beam element nodes, a spot-welding model should be established in the calculation. As shown in Figure 1, the axial direction of the beam element is taken as the Z direction in the FE (finite element) fatigue, but it is ...
Friction Stir Welding (FSW) is the most promising solid-state metals joining method introduced in this era. Compared to the conventional fusion welding methods, this FSW can produce joints with higher mechanical and metallurgical properties. Formerly, FS
, the finite element software computing results, comparing with the results of mechanics of elasticity formula of hollow spherical wall ring correction to stress in a reasonable manner to establish wall hollow hoop stress at different axial compression condition under the range of stress formula....
According to ISO 1099:2006 [27] Metallic materials-fatigue testing-axial force control method, to ensure that the sample breaks in the middle part, improve the test success rate. According to the test requirements, the sample materials of 5083-H321 and 6061-T6, butt, and lap joint samples ...
tool. A consolidated joint is then formed by moving the tool along the joint line [3], as shown in Figure1. Huge axial downward force is necessary to maintain a steady joining process [4]. Maintaining this force requires a very rigid FSW machine structure, especially when joining thick ...
the movement of the mesh is associated with the material, therefore the material deformation can be depicted by the mesh deformation. During FSW, the extreme mesh distortion would cause the crashing of the calculation if the typical Lagrangian domain employs. Hence, it is crucial to choose the ...
The robot joint angles for different poses are shown in Table 2. Table 2. Joint angles of different poses. To simplify the calculation process, the robot stiffness matrix can be expressed in the form of a compliance matrix: 𝐶𝜃=𝐾−1θCθ=Kθ−1 Then, the formula of Equation...
According to the optimized clamping scheme of PS0, through simulation calculation, the average axial deformation is reduced by 82.5%, the maximum radial shrinkage deformation is reduced by 60.6%, and the maximum residual stress is reduced by 60.3%. Finally, it is verified by the flame barrel ...