PRODUCTION METHOD OF RARE EARTH MAGNET

• Main Authors: ITO, Masaaki, SAKUMA, Noritsugu, ICHIGOZAKI, Daisuke, HIRANO, Tatsuhiko, KINOSHITA, Akihito
• Format: Patent
• Language: English
• Published: 02.09.2021
• Subjects: BASIC ELECTRIC ELEMENTS; CASTING; ELECTRICITY; INDUCTANCES; MAGNETS; MAKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; PERFORMING OPERATIONS; POWDER METALLURGY; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES; TRANSFORMERS; TRANSPORTING; WORKING METALLIC POWDER

The production method of a rare earth magnet of the present disclosure includes a coated magnetic powder preparation step, a mixed powder preparation step, and a pressure sintering step. In the coated magnetic preparation step, a zinc-containing coating 12 is formed on the particle surface of a sama...