Study on the Stability of a Repair Process for Carbon Fiber Laminates

Abstract Carbon fiber-reinforced resin matrix composites are often used in the surface structure of helicopters. In process flight, suffers from different degrees damage due to influence harsh environment. To explore superiority repair method and obtain a good process, intact damaged carbon fiber composite laminates were prepared this paper. The specimens repaired by single-sided double-layer patch bonding. allowable value tensile strength was tested, mechanical properties after studied. Combined with failure mode specimen failure, results show that can be restored about 81.9 % non-destructive specimen. effectively improve middle loading area. has high reliability stability, which provides new for laminate structure.