(中南大學 材料科學與工程學院，長沙 410083)
摘 要: 簡單介紹航空用鋁合金的特點及其在大飛機上的應用和發(fā)展，重點敘述大飛機常用的2×××系和7×××系鋁合金的成分、性能和應用，指出現階段國內大飛機用鋁合金材料存在的問題，預測大飛機用鋁合金的發(fā)展方向。
關鍵字: 大飛機；鋁合金；2×××系鋁合金；7×××系鋁合金；鋁鋰合金；鋁基復合材料
（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
