Advantages
Magnets ferrite offer significant advantages, including low cost, high-temperature resistance, corrosion resistance, and excellent insulation properties, making them suitable for applications in motors, speakers, gas meters, and other fields. They possess stable magnetic properties, excellent coercivity, and electrical insulation, and can be used in humid or harsh environments without the need for coating. Furthermore, they can be customized in a variety of sizes and shapes, complying with environmental standards. They are widely used in industries such as industry, automotive, and electrical appliances, making them an ideal choice for applications with medium and low magnetic fields.
Physical properties
| Physical properties | Unit | Value | |
| 1 | Curie Temperature | ℃ | 450 |
| 2 | Maximum Operating Temperature | ℃ | 250 |
| 3 | Hardness | Hv | 480-580 |
| 4 | Density | g/cm³ | 4.8-4.9 |
| 5 | Relative Recoil Permeability | u rec | 1.05-1.20 |
| 6 | Temperature Coefficient of Br | %/℃ | -0.2 |
| 7 | Temperature Coefficient of iHc | %/℃ | 0.3 |
| 8 | Tensile Strength | N/mm² | <100 |
| 9 | Transverse Rupture Strength | N/mm² | 300 |
| 10 | Resistivity | Ω.cm | >104 |
| 11 | Specific Heat | cal/g.℃ | 0.15-0.2 |
| 12 | Deflective Strength T | kgf/mm² | 5-10 |
FAQ
Is ferrite attracted to magnets?
A ferrite is one of a family of iron oxide-containing magnetic ceramic materials. They are ferrimagnetic, meaning they are attracted by magnetic fields and can be magnetized to become permanent magnets.
What are the benefits of ferrite magnets?
Ferrite magnets are the lowest cost of hard magnets available today. They have excellent oxidation resistance and usually do not require additional protective coatings or surface treatments. They are the first choice for all types of consumer, commercial, and industrial applications.
Do ferrite magnets lose their magnetism?
Ferrite magnets lose part of their magnetisation permanently at temperatures below -40 °C. Therefore, they should not be significantly cooled. Magnetic tapes and sheets lose part of their magnetisation permanently at temperatures below -20 °C.
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