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First-Principles Calculations, Thermodynamic Calculations and Kinetic Calculations of Ultra High Strength Aluminum Alloys of Al–Zn–Mg–Cu–Zr

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Advances in Materials Processing (CMC 2017)

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Abstract

The research for next generation of ultra high strength aluminum alloys is focused on materials of Al–Zn–Mg–Cu–Zr. In the present paper, the Al–Zn–Mg–Cu–Zr multi-component system was studied and the formation enthalpy of strengthening precipitate η′, the phase diagram of Al–Zn–Mg–Cu–Zr, the TTT diagram and the CCT diagram calculated by using the methods of First-principles calculations, thermodynamic calculations and kinetic calculations. Based on calculated results, a set of compositions and hot process parameters including temperature zones of hot processes and critical cooling rate of solution treatment are obtained. The calculated results provide primary guidance to developing Al–Zn–Mg–Cu–Zr ultra high strength aluminum alloys.

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Acknowledgements

This work was supported by Defense Industrial Technology Development Program (JCKY2016205C009).

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Authors and Affiliations

  1. Beijing Institute of Aeronautical Materials, Beijing, 100095, People’s Republic of China

    Jinsan Wang & Jinxin Zang

  2. Suzhou Research Institute for Nonferrous Metals, Suzhou, 215026, People’s Republic of China

    Xiang Xiao

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  1. Jinsan Wang
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  2. Jinxin Zang
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  3. Xiang Xiao
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Correspondence to Jinsan Wang .

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Editors and Affiliations

  1. Chinese Materials Research Society, Beijing, China

    Yafang Han

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Wang, J., Zang, J., Xiao, X. (2018). First-Principles Calculations, Thermodynamic Calculations and Kinetic Calculations of Ultra High Strength Aluminum Alloys of Al–Zn–Mg–Cu–Zr. In: Han, Y. (eds) Advances in Materials Processing. CMC 2017. Lecture Notes in Mechanical Engineering. Springer, Singapore. https://doi.org/10.1007/978-981-13-0107-0_118

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  • DOI: https://doi.org/10.1007/978-981-13-0107-0_118

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  • Publisher Name: Springer, Singapore

  • Print ISBN: 978-981-13-0106-3

  • Online ISBN: 978-981-13-0107-0

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