A Review of the Application and Research Progress of Composite Bonded Joints

In this paper, the mechanical connection, adhesive connection, hybrid connection (adhesive mechanical), suture connection (Z-Pin chain connection) of composite materials are introduced, the advantages and disadvantages of each connection are described in detail, and the structural form of the most widely used adhesive connection, the application and innovation in engineering practice are explained in detail. The challenge that the adhesive joint can not be further studied under the existing experimental conditions is put forward. In addition, two methods are given to improve the mechanical properties of the bonded joint. One is to improve the conditions of the adhesive itself, that is, the use of stripping cloth or sandblasting. The other method is to modify the adhesive, add nanoparticles or mix the adhesive. It provides a new direction for future research.