Manufacturing Technology 2023, 23(6):827-836 | DOI: 10.21062/mft.2023.095

Utilization of Metal Forming Process Mathematical Modelling to Predict the Spring-back of the Dual-phase Steel Stamping

David Koreček ORCID..., Pavel Solfronk ORCID..., Jiří Sobotka ORCID...
Faculty of Mechanical Engineering, Technical University of Liberec. Studentská 2, 461 17 Liberec. Czech Republic

Nowadays, the digitalization of the production process is an indispensable part of the stampings production in the pre-series stage, but also as a subsequent support for series production. Automotive producers are under pressure to comply with the ever decreasing CO2 production standards for cars, which predicates the use of modern material types with an advantageous weight-to-strength ratio. This paper focuses on the use of mathematical modelling in a numerical simulation environment to predict the deformation process and subsequent material spring-back of dual-phase steel DP500. The material data and characteristics are used to define the material computational model in numerical simulation. The results of the numerical simulations are then compared with the stamping obtained by a real pressing process, where their shape comparison and further evaluation of the used material models and selected parameters are performed.

Keywords: Mathematical Modelling, Yield Locus, High Strength Steel, Forming Process, Spring-back
Grants and funding:

This research was funded by the Institutional Endowment for the Long Term Conceptual Development of Research Institutes, as provided by the Ministry of Education, Youth and Sports of the Czech Republic

Received: August 15, 2023; Revised: October 24, 2023; Accepted: November 13, 2023; Prepublished online: November 27, 2023; Published: December 22, 2023  Show citation

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Koreček D, Solfronk P, Sobotka J. Utilization of Metal Forming Process Mathematical Modelling to Predict the Spring-back of the Dual-phase Steel Stamping. Manufacturing Technology. 2023;23(6):827-836. doi: 10.21062/mft.2023.095.
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