The development course of Al-Zn-Mg-Cu series high strength aluminum alloy was introduced.The aging treat ment process of Al-Zn-Mg-Cu aluminum alloy,microstructure characteristics of aging precipitated phase and its influence on Al alloy strength and corrosion properties were summarized.The effect of different aging treatment processes on the properties of aluminum alloy was summarized.Aiming at the requirements of current process and practical application,the problems that need concern in the research and development of aging treatment of Al-Zn-Mg-Cu alloy in the future were put forward.
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