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Journal of Materials Engineering and Performance

Published in:

01-02-2011

The Effect of Strain-Rate Sensitivity on Formability of AA 5754-O at Cold and Warm Temperatures

Authors: Fahrettin Ozturk, Hakan Pekel, Huseyin S. Halkaci

Published in: Journal of Materials Engineering and Performance | Issue 1/2011

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Abstract

Aluminum-magnesium (Al-Mg) alloys have been widely used in diverse applications ranging from automotive bodies to food processing industries because of their excellent high-strength-to-weight ratio, corrosion resistance, and recyclability potential. The formability of these alloys is decreased at room temperature (RT) and is related with the strain-rate sensitivity. This study presents the effect of strain-rate sensitivity on formability of AA 5754-O alloy sheet at a test temperature range of −60 to 250 °C by duplicate tensile test at different strain rates. The test results indicated that the formability change with positive or negative strain-rate sensitivity values. It was observed that the strain-rate sensitivity values increased at negative temperatures with respect to RT. The best formability condition for this alloy in the test ranges was observed at 250 °C and 0.0016 s⁻¹.

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Title: The Effect of Strain-Rate Sensitivity on Formability of AA 5754-O at Cold and Warm Temperatures
Authors: Fahrettin Ozturk
Hakan Pekel
Huseyin S. Halkaci
Publication date: 01-02-2011
Publisher: Springer US
Published in: Journal of Materials Engineering and Performance / Issue 1/2011
Print ISSN: 1059-9495
Electronic ISSN: 1544-1024
DOI: https://doi.org/10.1007/s11665-010-9652-y

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