▎ 摘　　要

NOVELTY - The preparation of graphene sensor on surface of composite material involves atomizing and depositing graphene oxide dispersion on surface of composite material, forming graphene oxide film, performing laser irradiation reduction on graphene oxide film according to preset sensing element pattern to form graphene sensor element on graphene oxide film, printing conductive silver paste electrode strip between each column and each row of array when array of graphene sensor element is formed, connecting conductive silver paste electrodes to two ends of graphene sensor element, insulating intersection of conductive silver paste electrodes by insulating material or printing conductive silver paste electrode strip on surface of graphene oxide film when single graphene sensor element is formed, connecting conductive silver paste electrodes connected to ends of graphene sensor element and using conductive silver paste electrode to connect graphene sensor element and external lead. USE - Preparation of graphene sensor on surface of composite material. ADVANTAGE - The method enables preparation of graphene sensor on surface of composite material by simple and economical process, achieves structural health monitoring of the composite material, and effectively programs printing by a three-axis platform to automate the production of graphene sensors. DETAILED DESCRIPTION - The preparation of graphene sensor on surface of composite material involves atomizing and depositing graphene oxide dispersion on surface of the composite material, forming graphene oxide film, performing laser irradiation reduction on graphene oxide film according to predetermined sensing element pattern to form graphene sensor element on graphene oxide film, forming an array of graphene sensor element when the number of components is greater than or equal to 2, forming single graphene sensor element when the number of components is 1, printing conductive silver paste electrode strip between each column and each row of the array when array of graphene sensor element is formed, connecting conductive silver paste electrodes to the two ends of the graphene sensor element, insulating intersection of conductive silver paste electrodes by an insulating material or printing conductive silver paste electrode strip on the surface of the graphene oxide film when single graphene sensor element is formed, connecting conductive silver paste electrodes connected to the two ends of the graphene sensor element and using conductive silver paste electrode to connect the graphene sensor element and the external lead.