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近些年来,美国一些部门致力研究可在300℃或更高温度下工作的铝合金,以代替目前用钛合金制造的航空航天器的某些结构与零件,以及制造下一代的高速喷气飞机的结构与零件。现在已大体成
In recent years, some departments in the United States have been devoted to studying aluminum alloys that can operate at temperatures of 300 ° C or higher to replace some of the structures and components of aerospace vehicles currently made from titanium alloys and to make the next generation of high-speed jet aircraft Structure and parts. It is now largely completed