▎ 摘　　要

NOVELTY - A graphene-copper-amorphous composite coating preparation method involves preparing graphene-metal copper composite powder, stirring sodium carboxymethyl cellulose and deionized water at 80-100 degrees C for 0.5-2 hours to obtain adhesive, adding graphene oxide powder, metal powder, dispersant and deionized water into adhesive, and obtaining mixed slurry; adding deionized water, oxidized graphene powder, and copper powder; mechanical stirring slurry, and mixing graphene-copper composite powder and iron-based amorphous powder and obtaining graphene-copper-iron-based amorphous mixed feed powder. USE - Method for preparation of graphene-copper-amorphous composite coating. ADVANTAGE - The method reduces amorphous coated abrasive loss weight by 57.8%. DETAILED DESCRIPTION - Graphene-copper-amorphous composite coating preparation method comprises: (A) preparing graphene-metal copper composite powder, stirring sodium carboxymethyl cellulose and deionized water at 80-100 degrees C for 0.5-2 hours to obtain adhesive, adding graphene oxide powder, metal powder, dispersant and deionized water into adhesive, and obtaining mixed slurry; (B) adding deionized water, oxidized graphene powder, and copper powder; (C) mechanical stirring slurry for 0.5-3 hours, ultrasonic treating for 3-20 minutes, and mechanically stirring for 3-0.5 hours to obtain composite powder, stirring slurry in spray granulation device, spraying, and granulating to obtain composite powder having particle diameter of 10-100 mu m; (D) putting composite powder into vacuum heat treatment furnace under gas protection atmosphere for heat reduction and obtaining graphene-copper composite powder; and (E) mechanically mixing graphene-copper composite powder and iron-based amorphous powder and obtaining graphene-copper-iron-based amorphous mixed feed powder.