Simulation of springback variation in forming of advanced high strength steels

Peng Chen, Muammer Koç

Research output: Contribution to journalArticle

103 Citations (Scopus)

Abstract

Variations in the mechanical and dimensional properties of the incoming material, lubrication and other forming process parameters are the main causes of springback variation. Variation of springback prevents the applicability of the springback prediction and compensation techniques. Hence, it leads to amplified variations and problems during assembly of the stamped components, in turn, resulting in quality issues. To predict the variation of springback and to improve the robustness of the forming process, variation simulation analysis could be adopted in the early design stage. Design of experiment (DOE) and finite element analysis (FEA) approach was used for the variation simulation and analysis of the springback for advanced high strength steel (AHSS) parts. To avoid the issues caused by the deterministic FEA simulation, random number generation was used to introduce uncertainties in DOE. This approach was, then, applied to investigate the effects of variations in material, blank holder force and friction on the springback variation for an open-channel shaped part made of dual phase (DP) steel. This approach provides a rapid and accurate understanding of the influence of the random process variations on the springback variation of the formed part using FEA techniques eliminating the need for lengthy and costly physical experiments.

Original languageEnglish
Pages (from-to)189-198
Number of pages10
JournalJournal of Materials Processing Technology
Volume190
Issue number1-3
DOIs
Publication statusPublished - 23 Jul 2007
Externally publishedYes

Fingerprint

Springback
High Strength Steel
High strength steel
Finite element method
Design of experiments
Random number generation
Simulation
Steel
Random processes
Lubrication
Process Variation
Design of Experiments
Friction
Simulation Analysis
Finite Element
Random number Generation
Open Channel
Experiments
Process Parameters
Random process

Keywords

  • Advanced high strength steel
  • Computer experiment
  • Design of experiment
  • Finite element analysis
  • Springback variation
  • Variation simulation

ASJC Scopus subject areas

  • Ceramics and Composites
  • Modelling and Simulation
  • Computer Science Applications
  • Metals and Alloys
  • Industrial and Manufacturing Engineering

Cite this

Simulation of springback variation in forming of advanced high strength steels. / Chen, Peng; Koç, Muammer.

In: Journal of Materials Processing Technology, Vol. 190, No. 1-3, 23.07.2007, p. 189-198.

Research output: Contribution to journalArticle

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