Review of Recent Researches on Heat Treatment Technology of Al-Zn-Mg-Cu Alloy System with High Zn Content
Recent researches of high Zn content(the mass fraction is not less than 7％)Al-Zn-Mg-Cu alloys were summarized,and recent status of the heat treatment technology(homogenization treatment,solid solution treatment,aging treatment,and thermo-mechanical treatment)of high Zn content Al-Zn-Mg-Cu alloys were introduced.The mechanism and influences of different heat treatment techniques on the microstructure and properties of high Zn content Al-Zn-Mg-Cu alloy were elucidated,and the development trend and the outlook of high Zn content Al-Zn-Mg-Cu alloy were prospected.It was expected to provide reference for the comprehensive performance improvements in Al-Zn-Mg-Cu alloys and the sustainable development of the aluminum alloy industry.
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