复合材料具有质量轻、成本低、比强度和比模量高等诸多优点,被广泛应用于航空航天工业和其他高新技术领域中。但复合材料在制造和使用过程中,会产生各种缺陷,对复合板构件的安全使用造成威胁。其中,对复合板层合结构安全影响最大的是脱粘缺陷和孔洞缺陷。局部脱粘会引起刚度降低,在外力作用下,局部脱粘会发生扩展产生分层导致材料总体失效。孔洞缺陷破坏了材料的整体性,在外载荷作用下会引起缺陷周围应力集中,易造成复合材料基体发生断裂。超声导波对复合 Composite materials with light weight, low cost, high specific strength and modulus many advantages, are widely used in the aerospace industry and other high-tech fields. However, composite materials in the manufacture and use of the process, will have a variety of defects, the safe use of composite panel components pose a threat. Among them, the most significant impact on the safety of laminate composite structure is debonding defects and hole defects. Local de-bonding will cause a decrease in stiffness, under the action of external force, local debonding will occur to delaminate resulting in the overall failure of the material. Hole defects undermine the integrity of the material under external loads will cause stress concentration around the defect, easily lead to composite matrix fracture. Ultrasound guided wave of composite