Mechanical Behavior of Embossed AA1050-O Sheets Subjected to Tension and Forming

Sabeur Msolli, Carl Labergere, Marion Martiny, Mohamad Jrad, Guillaume Robin, Heung Soo Kim, Francois Choquart

Research output: Contribution to journalArticlepeer-review

2 Scopus citations

Abstract

In this paper, experimental characterization of embossed aluminum sheets is performed using extensive mechanical tests. Rotary embossing is performed on these sheets in order to obtain a periodic hill-and-valley structure. The experimental program consists of realizing mechanical tests such as tension, deep drawing, and hydraulic bulge tests using embossed samples in order to build a database that can be used for future finite element modeling tasks. The tensile tests are performed using digital images correlation (DIC) for total displacement measurements and for detailed strain maps. The hydraulic bulge and deep drawing tests are conducted on embossed circular samples to study their formability. A comparison was made with the plane (non-embossed) sheets to explain the contribution of the embossed structure either in both cases of uniaxial and multiaxial loadings.

Original languageEnglish
Pages (from-to)1545-1551
Number of pages7
JournalInternational Journal of Precision Engineering and Manufacturing
Volume19
Issue number10
DOIs
StatePublished - 1 Oct 2018

Keywords

  • Deep drawing
  • Doubly curved
  • Embossed sheets
  • Hydraulic bulge
  • Tensile tests

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