The stamping of fiber metal laminates (FMLs) at thermoforming temperature of the thermoplastic matrix is investigated. The studied FML types consist of a unidirectional carbon fiber-reinforced core that is attached to metal cover layers either made of a steel or magnesium alloy. An analytical model is established in order to predict the process forces during forming, which are the blankholder force required to make the metal covers yield plastically, the punch force, and the corresponding load distribution on the individual layers (outer layer, core layer, and inner layer). The global forces are primarily verified through experimental force measurements, while numerical simulations are mainly performed to assess the resulting load distribution with the help of strain distributions in the cover layers. The results show that the introduced model can be applied successfully if the stamp-forming process is dominated by friction-induced tensional loading rather than by bending.
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March 2018
Research-Article
Prediction of Process Forces in Fiber Metal Laminate Stamping
Marlon Hahn,
Marlon Hahn
Institute of Forming Technology and
Lightweight Components,
TU Dortmund University,
Baroper Str. 303,
Dortmund 44227, Germany
e-mail: marlon.hahn@iul-tu-dortmund.de
Lightweight Components,
TU Dortmund University,
Baroper Str. 303,
Dortmund 44227, Germany
e-mail: marlon.hahn@iul-tu-dortmund.de
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Nooman Ben Khalifa,
Nooman Ben Khalifa
Institute of Forming Technology and
Lightweight Components,
TU Dortmund University,
Baroper Str. 303,
Dortmund 44227, Germany
e-mail: Nooman.Ben_Khalifa@iul.tu-dortmund.de
Lightweight Components,
TU Dortmund University,
Baroper Str. 303,
Dortmund 44227, Germany
e-mail: Nooman.Ben_Khalifa@iul.tu-dortmund.de
Search for other works by this author on:
Arash Shabaninejad
Arash Shabaninejad
Institute of Forming Technology and Lightweight
Components,
TU Dortmund University,
Baroper Str. 303,
Dortmund 44227, Germany
e-mail: Arash.Shabaninejad@tu-dortmund.de
Components,
TU Dortmund University,
Baroper Str. 303,
Dortmund 44227, Germany
e-mail: Arash.Shabaninejad@tu-dortmund.de
Search for other works by this author on:
Marlon Hahn
Institute of Forming Technology and
Lightweight Components,
TU Dortmund University,
Baroper Str. 303,
Dortmund 44227, Germany
e-mail: marlon.hahn@iul-tu-dortmund.de
Lightweight Components,
TU Dortmund University,
Baroper Str. 303,
Dortmund 44227, Germany
e-mail: marlon.hahn@iul-tu-dortmund.de
Nooman Ben Khalifa
Institute of Forming Technology and
Lightweight Components,
TU Dortmund University,
Baroper Str. 303,
Dortmund 44227, Germany
e-mail: Nooman.Ben_Khalifa@iul.tu-dortmund.de
Lightweight Components,
TU Dortmund University,
Baroper Str. 303,
Dortmund 44227, Germany
e-mail: Nooman.Ben_Khalifa@iul.tu-dortmund.de
Arash Shabaninejad
Institute of Forming Technology and Lightweight
Components,
TU Dortmund University,
Baroper Str. 303,
Dortmund 44227, Germany
e-mail: Arash.Shabaninejad@tu-dortmund.de
Components,
TU Dortmund University,
Baroper Str. 303,
Dortmund 44227, Germany
e-mail: Arash.Shabaninejad@tu-dortmund.de
1Corresponding author.
Manuscript received January 23, 2017; final manuscript received October 27, 2017; published online December 21, 2017. Assoc. Editor: Yannis Korkolis.
J. Manuf. Sci. Eng. Mar 2018, 140(3): 031002 (9 pages)
Published Online: December 21, 2017
Article history
Received:
January 23, 2017
Revised:
October 27, 2017
Citation
Hahn, M., Khalifa, N. B., and Shabaninejad, A. (December 21, 2017). "Prediction of Process Forces in Fiber Metal Laminate Stamping." ASME. J. Manuf. Sci. Eng. March 2018; 140(3): 031002. https://doi.org/10.1115/1.4038369
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