Advanced Technologies and Materials

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Vol. 39 No. 1 (2014): Journal for Technology of Plasticity
Original articles

Metal forming simulation of ultrafine-grained aluminum alloys

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  • Rossen Radev,
  • Valentin Gagov,
  • Danail Gospodinov,
  • Emil Yankov
Rossen Radev
Department of Materials Science and Technology, University of Ruse, 8 Studentska St., 7017 Ruse, Bulgaria
Valentin Gagov
Department of Materials Science and Technology, University of Ruse, 8 Studentska St., 7017 Ruse, Bulgaria
Danail Gospodinov
Department of Materials Science and Technology, University of Ruse, 8 Studentska St., 7017 Ruse, Bulgaria
Emil Yankov
Department of Materials Science and Technology, University of Ruse, 8 Studentska St., 7017 Ruse, Bulgaria

Published 2014-06-27

abstract views: 13 // Full text article (PDF): 0


Keywords

  • ultrafine-grained metal materials,
  • metal forming simulation,
  • aluminum alloys

How to Cite

Radev, R., Gagov, V., Gospodinov, D., & Yankov, E. (2014). Metal forming simulation of ultrafine-grained aluminum alloys. Advanced Technologies and Materials, 39(1), 1–10. Retrieved from https://jged.uns.ac.rs/index.php/atm/article/view/JTP.2014.39.1.1
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This work is licensed under a Creative Commons Attribution 4.0 International License.

Abstract

The present article investigates the possibility of simulating numerically metal forming processes of ultrafine-grained (UFG) aluminum alloys, fabricated by equal angular channel pressing (ECAP). For that purpose, the flow stress curves of the UFG materials were obtained for different strain rates and temperatures. These curves were used to numerically simulate plastic deformation of UFG materials in three metal forming processes, upsetting a flange, forging a 3D component and indentation of a ball. Based on the experimental results obtained for these processes, the product shape and the process force were compared to those obtained by the simulations. A successful verification of the model enabled conclusions about correct FE forming simulations of UFG materials to be formulated.

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