Carbon fiber composites are extensively employed in cutting-edge fields due to their remarkable perform-ance,especially resin matrix composites.However,the brittleness of the resin matrix and the poor interlaminar fracture re-sistance of the composite remain significant obstacles to the advancement of carbon fiber composites.Electrospun nanofibers that is a highly efficient and flexible technique offer a potential solution to these challenges.They possess advantageous properties such as high porosity,low density,and high specific surface area characteristics,which enable them to enhance interlayer toughness through multiple mechanisms,including surface improvement of carbon fibers,reinforcement of the res-in matrix,and improved interfacial bonding between the two components.Electrostatic spinning technology has achieved re-markable research progress and application results in a number of fields,and has a wide range of potential applications.This article starts with an introduction to the resin matrix and then discusses the research achievements of the past three years in three parts:interlayer particle toughening,interlayer fiber membrane toughening,and composite nanotoughening,and gives insights into future research directions in the field of interlayer toughening.
electrospinningtoughening of interlayer particlestoughening of interlayer fibre filmtoughening compos-ite nanotoughening mechanism
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