| abstract |
The invention provides a high-thermal-conductivity self-lubricating fabric composite material and a preparation method thereof, belonging to the technical field of composite materials. The preparation method of the high-thermal-conductivity self-lubricating fabric composite material provided by the invention comprises the following steps: mixing the nano silver sheet, the nano diamond and the dopamine aqueous solution to obtain a suspension; adjusting the suspension to be alkaline by using a buffer solution, and then carrying out surface modification to obtain a functional filler; mixing the functional filler with phenolic resin and ethyl acetate to obtain a fabric coating solution; and (3) coating the fabric coating liquid on the fabric, drying, and carrying out hot press molding to obtain the high-thermal-conductivity self-lubricating fabric composite material. The composite material prepared by the preparation method provided by the invention has excellent friction performance and excellent thermal conductivity, the friction coefficient is 0.138-0.158, the width of a grinding crack is 285-462 mu m, and the thermal conductivity is 0.512-0.612 W.m ‑1 ·K ‑1 。 |