▎ 摘 要
NOVELTY - A coating material comprises 0.1-0.8 pt. wt. niobium-manganese mixture, 0.2-1 pt. wt. graphene, 0.5-1.5 pt. wt. mineral fiber and 90-110 pts. wt. metal. USE - Coating material used for increasing surface hardness of abrasive tool. ADVANTAGE - The coating material has excellent bonding force with the abrasive base. The hardness and wear resistance of the surface of the abrasive are improved. DETAILED DESCRIPTION - An INDEPENDENT CLAIM is included for increasing the surface hardness of an abrasive tool.