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前言 随着新型民用飞机的不断出现,钛及其合金在飞机上的应用正在稳定增长,这种增长趋势主要是为了满足改善飞机结构效率以提高其承载能力和增加航程的需要。图1表明了波音民用飞机钛合金应用的概况。欧洲空中汽车工业公司的数据也显示出类似的规律,该公司设计制造的A—320和A—340上钛用量比波音757还高。从图1中还可以明显地看到,波音767钛用量并不符合总的趋势,这是因为该机是在1980年设计的,当时
Introduction With the advent of new types of civilian aircraft, the application of titanium and its alloys to aircraft is steadily increasing. The trend of this growth is mainly to meet the need to improve the structural efficiency of aircraft to increase its carrying capacity and increase its range. Figure 1 shows the Boeing civilian aircraft titanium alloy application overview. The data from Eurocopter also showed a similar pattern, with Titanium 757 being more expensive than the A-320 and A-340 designed and manufactured by the company. It is also evident from Figure 1 that the amount of Boeing 767 titanium does not fit the general trend because it was designed in 1980 when