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

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.
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https://hal-utt.archives-ouvertes.fr/hal-02279277
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Submitted on : Thursday, September 5, 2019 - 10:47:05 AM
Last modification on : Tuesday, October 15, 2019 - 4:56:17 PM

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Sabeur Msolli, Carl Labergere, Marion Martiny, Mohamad Jrad, Guillaume Robin, et al.. Mechanical Behavior of Embossed AA1050-O Sheets Subjected to Tension and Forming. International Journal of Precision Engineering and Manufacturing, Korean Society of Precision Engineering,, 2018, 19 (10), pp.1545-1551. ⟨10.1007/s12541-018-0182-0⟩. ⟨hal-02279277⟩

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