The process, by applying an internal pressure higher than the working pressure in advance after completion of the winding to cause the liner entering the plastic stage and producing the corresponding permanent plastic deformation for the purpose of improving the carrying capacity of the vessel, is called internal pressure autofrettage. In this paper, for the high-density polyethylene liner filament winding vessels which are winded by the equivalent cooling method, the ANSYS ACP module is used to analyze the stress distribution under autofrettage condition and working condition. The influence of autofrettage pressure and cooling temperature on the stress distribution under the working conditions of the vessel is addressed. This study could provide a reference for the optimization of winding process.
Winding-Autofrettage Study on Reinforced Thermoplastics Vessel Based on ANSYS ACP
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Huang, J, Duan, C, Wu, L, & Luo, X. "Winding-Autofrettage Study on Reinforced Thermoplastics Vessel Based on ANSYS ACP." Proceedings of the ASME 2018 Pressure Vessels and Piping Conference. Volume 6A: Materials and Fabrication. Prague, Czech Republic. July 15–20, 2018. V06AT06A038. ASME. https://doi.org/10.1115/PVP2018-84085
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