▎ 摘　　要

NOVELTY - The graphene sensor composite heat protection structure comprises a substrate layer (2), a graphene sensitive layer (1), a nitride isolation layer (3), an alumina protective layer (5) and a high-temperature ceramic protective coating (7). The substrate layer is provided with a graphene sensitive layer. The graphene sensitive layer is provided with a nitride isolation layer. The nitride isolation layer is provided with an alumina protective layer. The alumina protective layer is provided with a high temperature ceramic protective coating USE - Graphene sensor composite heat protection structure for use in aerospace engine such as main hot end component of aerospace engine, air inlet, nozzle, combustion chamber and tail nozzle. ADVANTAGE - The graphene sensor composite heat protection structure has improved stability at high temperature, and ensures effective transmission of the electrical signal. DETAILED DESCRIPTION - An INDEPENDENT CLAIM is included for a preparation of composite heat protection structure of graphene sensor. DESCRIPTION OF DRAWING(S) - The drawing shows a schematic view of a graphene sensor composite heat protection structure. 1Graphene sensitive layer 2Substrate layer 3Nitride isolation layer 5Alumina protective layer 7High-temperature ceramic protective coating