• 专利标题:   Permanent magnet material with high temperature resistance and high magnetic performance useful for e.g. hardware driving device of computer comprises neodymium-iron-boron- terbium-nickel-scandium-gadolinium, titanate coupling agent and graphene quantum dots.
  • 专利号:   CN114242365-A
  • 发明人:   MO K, ZHOU G
  • 专利权人:   ZHOU G
  • 国际专利分类:   H01F001/057, H01F001/42, H01F041/02
  • 专利详细信息:   CN114242365-A 25 Mar 2022 H01F-001/057 202245 Chinese
  • 申请详细信息:   CN114242365-A CN11610834 27 Dec 2021
  • 优先权号:   CN11610834

▎ 摘  要

NOVELTY - Permanent magnet material with high temperature resistance and high magnetic performance comprises 90-110 pts. wt. neodymium-iron-boron- terbium-nickel-scandium-gadolinium, 0.2-0.5 pts. wt. magnetic metal organic framework material iron oxide- metal-organic framework (MOF) -808- dimercaptosuccinic acid (DMSA),0.6-1 pts. wt. molybdenum nitride, 1-3 pts. wt. titanate coupling agent, 0.5-1.5 pts. wt. graphene quantum dots, 3-5 pts. wt. epoxy-containing hyperbranched polyborosiloxane, where mass ratio of neodymium-iron-boron- terbium-nickel-scandium-gadolinium is (3-5):(65-75):(1-2) :(0.3-0.8):(0.8-1.3):(0.5-1.5):(2-3). USE - The material useful for hardware driving device of computer, various household appliances, electro-acoustic device, multimedia device, electronic instrument, instrument, medical device, industrial motor, wind power generator, automobile sensor, electric motor of vehicle and hybrid vehicle. ADVANTAGE - The permanent magnetic material has high magnetic performance, high temperature resistance, excellent corrosion resistance and performance stability, and high cost performance. DETAILED DESCRIPTION - An INDEPENDENT CLAIM is included for a preparation method of high temperature and high magnetic performance permanent magnetic material.