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| Application and Development for Composite Primary Structure in Large Aircraft |
| MA Zhiyang, GAO Limin, XU Jifeng |
| (Beijing Key Laboratory of Civil Aircraft Structures and Composite Materials, COMAC Beijing Aircraft Technology Research Institute, Beijing 102211, China) |
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Abstract Application of composite primary structure has become a trend in large aircraft. This paper introduces the using of composite primary structure in large aircraft for the main commercial aircraft manufacturer, such as Boeing Co., Airbus Co., and COMAC, etc. Recently, the manufacturing technology of composite primary structure has been changed from the prepreg of manual placement and automated tape laying to automated fiber placement. The advanced liquid forming process of composite, as a kind of out-of-autoclave process, has been paid more and more attentions because of its huge potential that included complex-shaped and integral manufacture, lower cost of equipment, lower energy consumption and cost-cutting of manufacture.
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2021, 
