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Manufacturing large aircraft requires supporting composite materials, aviation tires, flame retardant materials, aerospace coatings, adhesives, lubricating oils, brake pads, etc. According to Zhou Jisheng, who served as deputy chief designer of the domestic Am21 regional aircraft, the development of carbon fiber composites is one of the challenges for large aircraft. In the past, internationally used passenger aircraft used aluminum alloys as the main material. The amount of composite materials used was small and was mainly used for accessories. However, nowadays, the application of composite materials has undergone a qualitative leap, not only in quantity but also in the use of aircraft. Strength. The composite materials used by Boeing 777 accounted for only 11% of the structural mass, compared to 50% for the Boeing 787. At present, China only masters the development of metal aircraft, and composite materials can only be used in a small amount on aircraft accessories. The application research on major structures needs to be further strengthened.
It is understood that China Commercial Aircraft Co., Ltd. was established with the approval of the State Council. The registered capital is 19 billion yuan and its headquarters is in Shanghai. The company’s largest shareholder, the State-owned Assets Supervision and Administration Commission of the State Council, has invested 6 billion yuan and holds 31.58% of the shares; China Sinochem Corporation is one of the shareholders.
Chemical composites and other petrochemical products will gain new applications
China Commercial Aircraft Co., Ltd., which shoulders the mission of developing large-scale passenger aircraft in China, was established in Shanghai. This signifies that the development of large aircraft will enter a substantive stage of operation, and that petrochemical products such as composite materials that will be used in conjunction with large aircraft will gain new applications.