▎ 摘 要
NOVELTY - A high strength neodymium-iron-boron magnet comprises parent metal base material provided with metal plating layer containing layer of metal simple substance coating, and graphene film layer. USE - High strength neodymium-iron-boron magnet. ADVANTAGE - The magnet surface has high strength and excellent stability due to the presence of graphene film layer. DETAILED DESCRIPTION - An INDEPENDENT CLAIM is included for preparation of the magnet.