Heat treatment process for Al-Zn-Mg-Cu high strength aluminum alloy

The present invention discloses a heat treatment process for an Al-Zn-Mg-Cu high strength aluminum alloy, and belongs to the field of alloy. According to the process, the high strength aluminum alloy is sequentially subjected to a solid solution treatment, a primary quenching treatment, a high-tempe...

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Hauptverfasser:	HAN JING, ZHAO JUNWEN, DAI GUANGZE, SONG JIXIAO, MO ERSUI, HUANG XINGMIN, FENG XIA, XU LEI
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	CHANGING THE PHYSICAL STRUCTURE OF NON-FERROUS METALS ANDNON-FERROUS ALLOYS CHEMISTRY FERROUS OR NON-FERROUS ALLOYS METALLURGY TREATMENT OF ALLOYS OR NON-FERROUS METALS
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Beschreibung
Zusammenfassung:	The present invention discloses a heat treatment process for an Al-Zn-Mg-Cu high strength aluminum alloy, and belongs to the field of alloy. According to the process, the high strength aluminum alloy is sequentially subjected to a solid solution treatment, a primary quenching treatment, a high-temperature and short-time aging treatment, a secondary quenching treatment, a medium-temperature and short-time aging treatment, a tertiary quenching treatment, a low-temperature and long-time aging treatment. With the treatment process provided by the present invention, the mechanical property and the corrosion resistance of the material are improved; the treatment efficiency is increased.