7000 series aluminum alloys are widely used in industrial areas such as aerospace and transportation due to the low density,high strength and good processing performance.As a high-strength heat treatable aluminum alloy,solution treatment and aging are important steps in heat processing,the microstructural changes caused by heat treatment have a significant impact on the properties of alloys.The research status of change of microstructure of 7000 series aluminum alloy during solution treatment and aging in recent years was reviewed.The heat treatment purpose,the influencing factors of heat treatment and the microstructure evolution,as well as the influence of typical precipitation on properties of aluminum alloys were described.Finally,prospects were made for the research directions related to the microstructure of 7000 series aluminum alloys.
关键词
7000系铝合金/固溶时效处理/微观组织/形成机理
Key words
7000 series aluminum alloy/solution treatment and aging/microstructure/formation mechanism
维普
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