Co-cured carbon fiber composite airfoil and preparation method thereof

Abstract

The invention belongs to the application field of carbon fiber composite materials, and in particular relates to a co-solidified airfoil formed by using carbon fiber composite materials and a preparation method of the airfoil. The co-cured carbon fiber composite airfoil is characterized in that it includes a head prefabricated body and an airfoil prefabricated body, the head prefabricated body and the airfoil prefabricated body are glued together, and the head prefabricated body and the airfoil prefabricated body The surface cladding curing molding has a carbon fiber prepreg layup. The present invention decomposes the structure of the airfoil, and adopts the process of separate processing and solidification for production. Firstly, the head prefabricated body is formed for the first time, and then the head prefabricated body and the main body structure of the airfoil are combined for the second time. Forming and separate processing can reduce the difficulty of processing each component, improve production efficiency, and also help improve the accuracy of the product. Further, the reduction of processing difficulty also makes it possible to process more complex surface structures and meet higher requirements for production. need.

Description

technical field [0001] The invention belongs to the application field of carbon fiber composite materials, and in particular relates to a co-cured airfoil formed by carbon fiber composite materials and a preparation method of the airfoil. Background technique [0002] The wings are the main load-bearing structural parts of the missile. The carbon fiber composite wing can reduce the mass of the hanger-missile and increase the range and payload. After years of research and testing, we have solved the technical problems of mold design and manufacture of large-scale and complex components, and the overall lay-up, curing, and demoulding of the skeleton with main joints, and overcome the key points of bonding, assembly, and other processes, and successfully developed a product that meets the requirements. Carbon fiber composite wings. [0003] Traditional missile wings are mostly made of metal materials (such as steel, aluminum alloy, titanium alloy, etc.), which can well meet t...

AI Technical Summary

Problems solved by technology

[0003] Traditional missile wings are mostly made of metal materials (such as steel, aluminum alloy, titanium alloy, etc.), which can well meet the requirements of load bearing and high temperature resistance. However, this kind of metal wing structure is heavy, which will affect the missile. Effective range and other technical indicators

In comparison, composite materials have the advantages of high specific strength, high specific stiffness, and strong designability. Therefore, they have been widely used in aerospace structures in recent years. At present, composite materials have been used in bomb wings. However, For wing structures with complex internal reinforcement, the processing and manufacturing technology of the composite material structure is very difficult, and the production cost is greatly increased or even impossible to process. Therefore, it is urgent to develop a high temperature resistant composite wing structure

Images