The design and development of carbon fiber composite pressure vessel is mature and its application scope is expanding. Carbon fiber composites show good application potential in many fields. However, there are some limitations and shortcomings in the study of carbon fiber composites at present.

(1) The basic theories of physical and chemical properties, fatigue and fracture mechanics, and life assessment of carbon fiber composites need to be studied in depth to promote the enhancement of pressure vessel performance of carbon fiber composites.

(2) The separation and destruction of the interface between the lining and the winding layer is one of the main reasons for the failure of the pressure vessel. Therefore, the technology of inner lining and winding layer interface processing is one of the key research directions in the future. We can start from improving the wettability of resin and carbon fiber, optimizing the intercoating of lining and carbon fiber.

(3)Lightweight and long life are the development direction of pressure vessel in the future. We should further shorten the design cycle of carbon fiber composites and reduce the manufacturing cost.

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