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Published in: Journal of Materials Engineering and Performance 7/2024

05-05-2023 | Technical Article

Prediction of Flow Behavior and Deformation Analysis of AA5754 Sheet Metal at Warm and Hot Temperatures

Authors: Nuri Şen, Tolgahan Civek, Ömer İlhan, Özgür Erdem Yurt, M. Hüseyin Çetin, Hamza Şimşir

Published in: Journal of Materials Engineering and Performance | Issue 7/2024

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Abstract

The utilization of lightweight materials such as AA5754 aluminum alloys in the inner body panel parts of vehicles has been significantly important for automotive manufacturers to minimize the high fuel consumption by reducing the overall weight. In this study, the flow behavior of AA5754 sheet metal has been discussed by conducting uniaxial tensile tests at five different temperatures (RT, 200, 250, 300, 350 °C) and three strain rates (0.001, 0.01, 0.05 s−1). Additionally, the capability of Fields and Backofen (F&B) and Voce hardening rules in describing the flow behavior of AA5754 at different temperatures and strain rates has been investigated by conducting uniaxial tensile tests in finite element analysis. It has been found that the main deformation mechanisms for the AA5754 are the strain hardening mechanism up to 250 °C, strain hardening and dynamic recovery mechanisms at 300 °C, dynamic recrystallization and strain hardening mechanisms at 350 °C. While the F&B hardening rule has been able to successfully capture the flow behavior of AA5754 up to 250 °C with a 14.36% error, its capability has significantly reduced after 250 °C due to its incapability of describing the effects of dynamic recovery and recrystallization. Voce hardening model has been better able to describe the flow behavior of AA5754 at all the temperature levels than F&B model due to its saturation behavior.

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Literature
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go back to reference T. Altan, and A.E. Tekkaya, Sheet Metal Forming Fundamentals, ASM International, Materials Park, Ohio, 2012.CrossRef T. Altan, and A.E. Tekkaya, Sheet Metal Forming Fundamentals, ASM International, Materials Park, Ohio, 2012.CrossRef
Metadata
Title
Prediction of Flow Behavior and Deformation Analysis of AA5754 Sheet Metal at Warm and Hot Temperatures
Authors
Nuri Şen
Tolgahan Civek
Ömer İlhan
Özgür Erdem Yurt
M. Hüseyin Çetin
Hamza Şimşir
Publication date
05-05-2023
Publisher
Springer US
Published in
Journal of Materials Engineering and Performance / Issue 7/2024
Print ISSN: 1059-9495
Electronic ISSN: 1544-1024
DOI
https://doi.org/10.1007/s11665-023-08235-3

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