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Development of Hollow Cylindrical Tank with Blow Forming of Titanium Sheets
Abstract:
In this paper, manufacturing hollow cylindrical tank was demonstrated with gas forming of titanium sheets. An innovative gas blow forming method to produce a complex shape of hollow cylindrical tank from titanium multi-sheets by low hydrostatic pressure was presented. Finite element analysis on gas blow forming process has been carried out in order to improve the forming process when manufacturing subscale hollow cylinder structure using Ti-6Al-4V multi-sheets. The simulation focused on the reduction of forming time and obtaining final required shape throughout investigating the deformation mode of sheet according to the forming conditions and die geometry. The result shows that the manufacturing method with gas forming of multi-sheets of titanium alloy has been successful for near net shape forming of subscale hollow cylindrical tank of ramjet engine.