Optimizing the Process Parameters of Hydro-Deep Drawing of Cylindrical Parts Using Fiber Metal Laminates

Abstract:

Forming Fiber Metal Laminates (FMLs) is still challenging. There are some inherent limitations to forming smaller and complex-shaped FML parts. In particular, the process parameters have a major impact on the final FMLs part. In this paper, several investigations were conducted to optimize these process variables. In the investigations, different Blank Holder Gap (BHG) thicknesses were used to predict the optimal range; variable Blank Holder Force (BHF) and Cavity Pressure (CP) were chosen to make the results more convincing. Based on the numerical analysis, it is found that the optimum BHF should be between 10 to 15 KN; CP has a range from 8 to 10 MPa; optimum BHG should be 1.0 mm. And through using these predicted process parameters, a successful Glare cup has been formed. Furthermore, the forming performance of the Glare material is improved and the laminate has shown better formability. Finally, optimized process variables can be used for mass production of FMLs parts.

• Periodical: Key Engineering Materials (Volume 918)
• Pages: 49-56
• DOI: https://doi.org/10.4028/p-2mglgx
• Online since: April 2022
• Authors: Foyjullah Sumon, Yao Wang, Wei Qiang*, Shahrukh Khan
• Keywords: Blank Holder Force (BHF), Blank Holder Gap (BHG), Cavity Pressure (CP), Fiber Metal Laminates (FMLs), Hydroforming

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