Simulation on curing warpage deformation of composite T-shaped integrated structure

According to the curing process of composite T-shaped integrated st ructures，the mechanism of the
warpage deformation was analyzed and an theoretical model was established. Some important cure properties of the T-shaped structure were calculated using the finite element method，such as the internal temperature and the degree of cure , the warpage deformation due to internal exothermic chemical reaction and volume shrinkage. The evolution of material parameters was also considered while the degree of cure was varied，and the relationship between the geometry size and the warpage deformation was studied. The results show that a suitable geometry size of the T-shaped composite structure can reduce the warpage deformation during the curing process.