7xxx系变形铝合金研究进展Research progress on wrought 7xxx series aluminum alloys
贾海龙,刘彦麟,査敏,靳慎豹,王慧远
摘要(Abstract):
7xxx(Al-Zn-Mg-Cu)系铝合金作为可热处理强化的高强铝合金,在航空航天、轨道交通领域等已得到广泛应用。近年来,针对7xxx系铝合金的研究主要集中在成分优化设计、微观组织调控以及加工工艺改进等。本文综述了近年来7xxx系铝合金在挤压、轧制和大塑性变形技术方面的研究进展。详细介绍了合金成分、不同塑性加工方式(挤压、轧制、等通道转角挤压、高压扭转、累积叠轧)以及热处理工艺对7xxx系铝合金微观组织和力学性能的影响,旨在为深入探究高性能7xxx系铝合金强韧化机制及其可控制备提供参考,推动它们在工业领域的应用与发展。
关键词(KeyWords): 7xxx系铝合金;挤压;轧制;大塑性变形;热处理
基金项目(Foundation): 国家自然科学基金委政府间重点专项(2024YFE0108900)
作者(Author): 贾海龙,刘彦麟,査敏,靳慎豹,王慧远
DOI: 10.13289/j.issn.1009-6264.2024-zt02
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