Layup structure effect on the composite laminate impact resistance: experimental and finite element studies

摘要

Four kinds of sandwich laminates with different layup structures and same thickness are designed and fabricated by autoclave and heat pressing process respectively.The impact tests of four composite laminates were carried out to compare the impact resistance of composite laminates with different ply structures.The impact finite element model is established,and the impact process is simulated by the finite element method.To some extent,the impact failure mechanism of composite laminates and their impact failure results have been obtained.