(中南大学 材料科学与工程学院，长沙 410083)
摘 要: 简单介绍航空用铝合金的特点及其在大飞机上的应用和发展，重点叙述大飞机常用的2×××系和7×××系铝合金的成分、性能和应用，指出现阶段国内大飞机用铝合金材料存在的问题，预测大飞机用铝合金的发展方向。
关键字: 大飞机；铝合金；2×××系铝合金；7×××系铝合金；铝锂合金；铝基复合材料
（School of Materials Science and Engineering, Central South University, Changsha 410083, China）
Abstract:The features, applications and development of giant plane aluminum alloys were briefly described. The chemical composition, mechanical properties and applications of 2××× series and 7××× series aluminum alloys were reviewed in detail. Several existing problems in present China giant plane aluminum alloys were pointed out. The development trend of giant plane aluminum alloys was put forward.
Key words: giant plane; aluminum alloys; 2××× series aluminum alloys; 7××× series aluminum alloys; aluminum-lithium alloy; aluminum-based composite materials
