Preparation method for permanent-magnet material with high temperature resistance and high magnetic performance
A permanent magnet material, high magnetic technology, applied in the manufacture of magnetic materials, magnetic objects, inductors/transformers/magnets, etc. problems, to make up for low operating temperature, reasonable control of grain size, and improved magnetic properties
- Summary
- Abstract
- Description
- Claims
- Application Information
AI Technical Summary
Problems solved by technology
Method used
Examples
Embodiment 1
[0025] (1) Magnetic powder surface coupling: Stir and mix 100 parts by weight of Nd2Fe14B magnetic powder and 0.2 parts by weight of graphene oxide powder to form a mixed magnetic powder; then mix 0.1 parts by weight of titanate coupling agent NDZ401 with 30 parts by weight of The xylene organic solvent is added in the magnetic powder of 100.2 parts by weight, and the above-mentioned solution is mixed uniformly by high-speed shear stirring at a speed of 2000 rpm for 0.5 h, and the magnetic powder and the coupling agent can be fully mixed by ultrasonic vibration for 0.5 h, and then Heat the mixture while stirring until the solvent is volatilized, dry the modified mixed magnetic powder and grind it for later use;
[0026] (2) then the mixed magnetic powder after modification is mixed with the ferrocene magnetic powder of 0.1 weight part, dry, then the mixed solution of 1 weight part of bisphenol A epoxy resin and acetone is added in the mixed magnetic powder after drying, Stir a...
Embodiment 2
[0030] (1) Magnetic powder surface coupling: 100 parts by weight of Nd2Fe14B magnetic powder and 3 parts by weight of graphene oxide powder are stirred and mixed evenly to form a mixed magnetic powder, and 2 parts by weight of titanate coupling agent NDZ401 and 35 parts by weight of Alcohol was added to 103 parts by weight of the mixed magnetic powder, and the above solution was mixed uniformly by high-speed shear stirring at a speed of 500 rpm for 1 hour, and the mixed magnetic powder and the coupling agent could be fully mixed by ultrasonic vibration for 1 hour, and then the mixture was mixed Heating while stirring until the solvent volatilization is complete, drying and grinding the modified mixed magnetic powder for use; (2) then mixing the modified mixed magnetic powder with 0.3 parts by weight of ferrocene magnetic powder, drying, and then mixing The mixture of 6.5 parts by weight of phenol A epoxy resin and organic solvent acetone is added to the mixed magnetic powder af...
Embodiment 3
[0033](1) Magnetic powder surface coupling: 100 parts by weight of Nd2Fe14B magnetic powder and 2 parts by weight of graphene oxide powder are stirred and mixed evenly to form a mixed magnetic powder, and 5 parts by weight of titanate coupling agent NDZ401 and 30 parts by weight of Xylene is added to the mixed magnetic powder of 102 parts by weight, and the above-mentioned solution is mixed uniformly by high-speed shear stirring at a speed of 800 rpm for 1.5h, and the mixed magnetic powder and the coupling agent can be fully mixed by ultrasonic oscillation for 1.5h, and then The mixture is heated while stirring until the solvent is volatilized, and the modified mixed magnetic powder is dried and ground for use; (2) then the modified mixed magnetic powder is mixed with 0.2 parts by weight of ferrocene magnetic powder, dried, Add the mixture of bisphenol A epoxy resin and organic solvent acetone to the surface-coupled mixed magnetic powder, stir for 1.5 hours at a stirring speed ...
PUM
Property | Measurement | Unit |
---|---|---|
particle size | aaaaa | aaaaa |
particle size | aaaaa | aaaaa |
epoxy value | aaaaa | aaaaa |
Abstract
Description
Claims
Application Information
- R&D Engineer
- R&D Manager
- IP Professional
- Industry Leading Data Capabilities
- Powerful AI technology
- Patent DNA Extraction
Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic, Popular Technical Reports.
© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap|About US| Contact US: help@patsnap.com