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Vol. 36 No. 2 (2011): Journal for Technology of Plasticity
Original articles

Numerical and experimental comparison of hemispherical punch stretching test

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  • Mevlut Turkoz,
  • Osman Yigit,
  • Murat Dilmec,
  • Huseyin Selcuk Halkaci,
  • Behcet Daghan
Mevlut Turkoz
Department of Seydisehir Mechanical Engineering, Selcuk University, Konya, Turkey
Osman Yigit
Karabuk University, Department of Mechanical Engineering, Karabuk, Turkey
Murat Dilmec
Selcuk University, Department of Mechanical Engineering, Konya, Turkey
Huseyin Selcuk Halkaci
Selcuk University, Department of Mechanical Engineering, Konya, Turkey
Behcet Daghan
Selcuk University, Department of Mechanical Engineering, Konya, Turkey

Published 2011-12-30

abstract views: 7 // Full text article (PDF): 3


Keywords

  • Sheet metal forming,
  • finite element method,
  • ABAQUS,
  • ASAME,
  • 3D scanning

How to Cite

Turkoz, M., Yigit, O., Dilmec, M., Selcuk Halkaci, H., & Daghan, B. (2011). Numerical and experimental comparison of hemispherical punch stretching test. Advanced Technologies and Materials, 36(2), 87–95. Retrieved from https://atm-journal.uns.ac.rs/index.php/atm/article/view/jtp.2011.36.2.4

Copyright (c) 2011 This work is licensed under a Creative Commons Attribution 4.0 International License.

Creative Commons License

This work is licensed under a Creative Commons Attribution 4.0 International License.

Abstract

During the recent years, a huge amount of effort has been dedicated to the numerical methods capable of modeling sheet metal forming processes. The aim of this effort is to reduce the die tryout period. In this research, a comparative study was performed between experimentally and numerically obtained strains, part geometries and sheet thicknesses. Different sheet metal specimens were clamped between circular die rings and deformed by a hemispherical punch. Before the sheets had been formed, they were marked with line patterns grid to measure the deformations after the test. Measuring of the strains and calculation of the thickness was performed with the Automated Strain Analysis System (ASAME). Prediction of the strains was performed with ABAQUS. In addition to this, geometrical comparison was also performed by measuring dimensions of the specimens with using 3D scanning optical device.

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