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Hot Deformation Behavior of an Al-7.6Zn-1.8Mg-1.4Cu-0.12Zr Alloy

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Proceedings of the 8th Pacific Rim International Congress on Advanced Materials and Processing

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Abstract

To meet the stringent requirements of ultra-thick section products for aerospace applications, an Al-7.6Zn-1.8Mg-1.4Cu-0.12Zr alloy with good performance was developed. The behavior of the alloy during hot deformation was studied by isothermal compression in the temperature range from 250°C to 450°C and strain rate from 0.001 s−1 to 10 s−1 on Gleeble-1500D thermal mechanical simulator. And the EBSD and TEM were employed to analyze the microstructure of the alloy treated by different deformation processes. The results show that the flow stress of the alloy during hot compression deformation decreases with the increase of the deformation temperature, and increases with the increase of the strain rate. The flow stress can be described by using Zener-Hollomon parameter including Arrhenius item. The microstructure evolution is significantly influenced by both deformation temperatures and strain rates.

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Authors and Affiliations

  1. State Key Laboratory of Nonferrous Metals and Processes, General Research Institute for Nonferrous Metals, No.2 **njiekou Wai Street, Bei**g, 100088, China

    **wu Li, Baiqing **ong, Yongan Zhang, Zhihui Li, Feng Wang, Hongwei Liu & Lizhen Yan

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  1. **wu Li
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  2. Baiqing **ong
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  3. Yongan Zhang
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  4. Zhihui Li
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  5. Feng Wang
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  6. Hongwei Liu
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  7. Lizhen Yan
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Editors and Affiliations

  1. Department of Systems Engineering, Naval Post-graduate School in Monterey, California, USA

    Fernand Marquis (Research professor) (Research professor)

  2. Wayne E. Meyer Institute of Systems Engineering, Naval Post-graduate School in Monterey, California, USA

    Fernand Marquis (Research professor) (Research professor)

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© 2013 TMS (The Minerals, Metals & Materials Society)

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Li, X. et al. (2013). Hot Deformation Behavior of an Al-7.6Zn-1.8Mg-1.4Cu-0.12Zr Alloy. In: Marquis, F. (eds) Proceedings of the 8th Pacific Rim International Congress on Advanced Materials and Processing. Springer, Cham. https://doi.org/10.1007/978-3-319-48764-9_157

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