Design and manufacturing of three layer pressure vessel by Shrink fit process

Naseroleslami, Amir; Eivazi Bagheri, Hadi; Mousavi, Seyyed Mohammad Vahab; Seyyed Afghahi, Salman

doi:10.22034/ijme.2023.403285.1797

Design and manufacturing of three layer pressure vessel by Shrink fit process

Document Type : Original Article

Authors

¹ Advanced Materials and Nanotechnology Research Center, Imam Hossein University, Tehran, Iran

² Department of Mechanical Engineering, Imam Hossein University, Tehran, Iran

³ Department of Material science, Imam Hossein University, Tehran, Iran

10.22034/ijme.2023.403285.1797

Abstract

Induction of compressive residual stress on the surface thick-walled cylinder is a way to increase the resistance to failure and increase the fatigue life. The shrink-fit process is one of these methods. In this paper, the three-layer shrink fit for the construction of the hot isostatic press cylinders has been analyzed using experiments, analytical modeling, and finite element simulation. The stresses created due to the shrink fit process in cylinders were investigated using analytical calculation and finite element simulation. To perform the shrink fit experimentally, three cylinders were made of VCN steel and the shrink fit operation was performed. Based on the results from the finite element simulation, the maximum radial displacement for the outer cylinder is 0.89 mm and the residual stress value is 39.9 MPa. Also, the comparison of simulation results and analytical method for the middle and outer cylinder shows that the differences were 2.3% and 2.8%, respectively.

Keywords

References

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