Hybrid Friction Diffusion Bonding of Tube–Tubesheet Joint: A finite Element Model

Al-Badour, Fadi; Bazoune, Abdelaziz

doi:10.1007/s13369-020-04484-9

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Mesh Convergence1

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2022

2023

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Cited by 2 publications

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“…To perform the mesh convergence study and all other simulations in this work, the material properties of ASTM A516 Gr70 according to Table 3 [22] were used. For the thermal simulation, the specific mass, thermal conductivity (k), and specific heat (c) were considered.…”

Section: Mesh Convergencementioning

confidence: 99%

Numerical and Experimental Comparison of the Relief of Residual Welding Stresses by Vibration and Thermal Treatment

Serrati,

Silva,

de Araújo

et al. 2023

Preprint

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During welding, the base metal undergoes non-uniform expansion and contraction due to the high heat input, resulting in internal stresses in the welded material. These stresses can cause complications such as distortions and cracks, leading to impaired function of the welded component. Heat and vibrational treatments are some of the methods used to relieve these stresses. In this study, the effectiveness of these treatments was evaluated through comparison of experimental and numerical results. The analysis revealed that residual stresses were in agreement at half of the measurement points, while the remaining half exhibited differences ranging from 0.6 to 8.2%. Furthermore, distortions were measured using a 3D scanner, and the largest angular distortion differed from the numerical calculation by 1.25°.

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Section: Mesh Convergencementioning

confidence: 99%