Experimental and Numerical Analysis of Friction Effects in the Forming of Thin EN AW 8006-O Aluminum Sheets
Abstract
1. Introduction
2. Materials and Methods
2.1. Experimental Activity
2.2. Numerical Activity
3. Results and Discussion
3.1. Experimental Results
3.2. Numerical Results
4. Conclusions
- The use of experimentally derived friction coefficients significantly improves the predictive accuracy of numerical simulations, particularly in terms of minimum thickness and dome height.
- Higher friction levels hinder radial material flow, leading to more localized thinning and reduced formability. This effect becomes more pronounced at higher punch strokes.
- The comparison between experimental and numerical thickness profiles validates the reliability of the modeling approach and confirms the critical role of accurate tribological input in forming simulations.
- The adopted methodology provides a robust and efficient tool for evaluating and optimizing forming conditions in industrial applications involving thin aluminum foils, such as food packaging.
Author Contributions
Funding
Data Availability Statement
Acknowledgments
Conflicts of Interest
References
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Properties | Value | |
---|---|---|
Density at 20 °C | 1.02 | g/cm3 |
Viscosity at 20 °C | 260 | mPa s |
Acid value | 2 | mg KOH/g |
Saponification value | 450 | mg KOH/g |
Properties | Average Value | Dev. St. | Cv |
---|---|---|---|
Modulus [MPa] | 68,132 | 2316 | 3.4% |
Ultimate strength [MPa] | 137.3 | 2.20 | 1.6% |
Elongation at break [%] | 32.3 | 1.5181 | 4.7% |
Strength coefficient (k) [MPa] | 172 | 3.612 | 2.1% |
Hardening exponent (n) [-] | 0.203 | 0.006 | 2.8% |
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Parodo, G.; Sorrentino, L.; Turchetta, S.; Moffa, G. Experimental and Numerical Analysis of Friction Effects in the Forming of Thin EN AW 8006-O Aluminum Sheets. Metals 2025, 15, 695. https://doi.org/10.3390/met15070695
Parodo G, Sorrentino L, Turchetta S, Moffa G. Experimental and Numerical Analysis of Friction Effects in the Forming of Thin EN AW 8006-O Aluminum Sheets. Metals. 2025; 15(7):695. https://doi.org/10.3390/met15070695
Chicago/Turabian StyleParodo, Gianluca, Luca Sorrentino, Sandro Turchetta, and Giuseppe Moffa. 2025. "Experimental and Numerical Analysis of Friction Effects in the Forming of Thin EN AW 8006-O Aluminum Sheets" Metals 15, no. 7: 695. https://doi.org/10.3390/met15070695
APA StyleParodo, G., Sorrentino, L., Turchetta, S., & Moffa, G. (2025). Experimental and Numerical Analysis of Friction Effects in the Forming of Thin EN AW 8006-O Aluminum Sheets. Metals, 15(7), 695. https://doi.org/10.3390/met15070695