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我国航空工业的发展,迫切需要研究高强度的或具有较好综合性能的铸造铝合金作为航空产品的结构件,以便减轻重量或代替部分铝合金锻件,节约原材料,减少零件的机械加工工时,解决毛坯供应困难。近年来,国内外高强
The development of aviation industry in our country urgently needs to study cast aluminum alloy with high strength or good comprehensive performance as the structural component of aviation products in order to reduce the weight or replace part of the aluminum alloy forgings and save the raw materials and reduce the machining working time of the parts Rough supply difficulties. In recent years, high strength at home and abroad