Predictive Performances of FLC Using Marciniak-Kuczynski Model and Modified Maximum Force Criterion

Dorel Banabic; Lucian Lazarescu; Dan Sorin Comsa

doi:10.4028/www.scientific.net/KEM.651-653.96

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Predictive Performances of FLC Using Marciniak-Kuczynski Model and Modified Maximum Force Criterion

Abstract:

This paper is focused on the performance evaluation of two theoretical models that can be used to predict the Forming Limit Curve (FLC) for an AA6016-T4 aluminium alloy sheet. The FLC is calculated based on the Marciniak-Kuczynski (M-K) model and the Modified Maximum Force Criterion (MMFC) using the Hill '48, Barlat '89 and BBC 2005 yield criteria, the latter identified in three variants, namely with 6, 7, and 8 material parameters. The performance assessment of the M-K and MMFC models combined with different yield functions is based on the comparison between the theoretical predictions and the experimental data provided by the Nakazima test (ISO 12004: 2008) as well as by an experimental procedure recently developed by the authors for the FLC determination.

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Key Engineering Materials (Volumes 651-653)

Pages:

96-101

DOI:

https://doi.org/10.4028/www.scientific.net/KEM.651-653.96

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Online since:

July 2015

Authors:

Dorel Banabic*, Lucian Lazarescu, Dan Sorin Comsa

Keywords:

Formability, Forming Limit Curve, Metal Forming, Sheet Metals

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