Key Developments

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Key Developments

机译：重点发展

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Use of composite structures in military airlifters lags that in commercial airliners, in part because of lingering concerns over affordability and durability. But with cost critical to development of the next generation of transports, advanced materials and manufacturing techniques are essential.rnNot surprisingly, given its use of carbon-fiber structures in Airbus airliners, EADS has pushed the composites content in the Airbus Military A400M to new levels-roughly 30% of structural weight. Wing, tail and cargo doors are carbon fiber. But with the A400M delayed, over budget and overweight, the jury is out on whether the design goals have been achieved.

机译：军用航空运输机中复合结构的使用落后于商业客机，部分原因是由于人们对负担能力和耐用性的担忧持续存在。但是，由于成本对于下一代运输工具的开发至关重要，因此先进的材料和制造技术必不可少。毫不奇怪，鉴于空中客车客机使用碳纤维结构，EADS已将空中客车军用A400M的复合材料含量提高到新水平-大约为结构重量的30％。机翼，尾门和货舱门均为碳纤维。但是由于A400M的延误，超预算和超重，评审团无法确定设计目标是否实现。

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《Aviation Week & Space Technology》 |2010年第4期|52-53|共2页
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收录信息美国《工程索引》(EI);
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正文语种 eng
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