Technical Specifications:
- Material: Barium Ferrite (BaFe₁₂O₁₉)
- Purity: 99.9% or higher
- Particle Size: 1-3 µm (microns)
- Shape: Typically irregular or angular, depending on the manufacturing process
- Density: Approximately 5.0 g/cm³
- Melting Point: Approximately 1,300°C (2,372°F)
- Boiling Point: Sublimes at approximately 2,000°C (3,632°F)
Chemical Composition:
- Barium (Ba): ~30%
- Iron (Fe): ~70%
Applications:
1. Magnetic Materials:
- Barium Ferrite (BaFe₁₂O₁₉) is primarily used as a magnetic material due to its high magnetic saturation and permanent magnet properties. The 1-3 µm powder size is ideal for use in the production of permanent magnets with high coercivity.
- It is used in the manufacture of hard ferrite magnets, commonly employed in motors, generators, magnetic couplings, and speakers for industries such as automotive, electronics, and telecommunications.
2. Electromagnetic Shielding:
- BaFe₁₂O₁₉ is widely used for electromagnetic interference (EMI) shielding due to its excellent magnetic properties. The 1-3 µm powder is incorporated into shielding materials to protect electronic devices from radiation and high-frequency interference.
- It is used in the electronics industry for shielding cables, circuit boards, and sensitive electronic equipment that require protection from electromagnetic waves.
3. Magnetic Recording Media:
- Barium Ferrite is used in the production of magnetic recording media such as tapes and discs due to its excellent magnetic properties. The 1-3 µm powder is used in data storage devices like hard drives, magnetic tapes, and audio cassettes.
- BaFe₁₂O₁₉ is a key material in data recording technology due to its high magnetic stability and long-lasting magnetism.
4. Magnetic Resonance Imaging (MRI) Applications:
- Barium Ferrite is also used in medical applications such as magnetic resonance imaging (MRI) and magnetic particle imaging (MPI) for contrast agents and targeted drug delivery systems.
- The fine 1-3 µm particle size allows BaFe₁₂O₁₉ to be used in nanomedicine and diagnostic imaging, where its superparamagnetic properties help improve image resolution and accuracy.
5. Sensors and Magnetic Field Sensing:
- BaFe₁₂O₁₉ is used in sensors and magnetic field sensing devices due to its high magnetization and sensitivity to external magnetic fields. It is employed in position sensors, current sensors, and magnetic field detectors in industrial and automotive applications.
- The fine powder is used in the development of magnetic sensors that require high sensitivity and precision for detecting and measuring magnetic fields.
6. Catalysis and Chemical Reactions:
- BaFe₁₂O₁₉ is also used in catalysis applications, where it serves as a catalyst support or magnetic catalyst in chemical reactions such as hydrogenation, oxidation, and dehydrogenation.
- The material is particularly useful in heterogeneous catalysis, where its magnetic properties allow for easy separation of the catalyst from the reaction mixture, improving reaction efficiency and reusability.
7. Electroceramics and Dielectric Materials:
- Barium Ferrite is used in the production of electroceramics and dielectric materials that require high dielectric constant and magnetic properties. It is employed in the manufacture of capacitors, resistors, and inductors used in high-frequency applications such as microwave communication and radar systems.
- The 1-3 µm powder size ensures good dispersion in electroceramic materials, resulting in enhanced dielectric properties and reliable performance in electronic circuits.
8. Magnetorheological Fluids:
- BaFe₁₂O₁₉ is used in the formulation of magnetorheological fluids (MR fluids), which change their viscosity in response to an external magnetic field. These fluids are used in dampers, shock absorbers, and brakes in automotive, robotics, and aerospace applications.
- The magnetic properties of BaFe₁₂O₁₉ allow for precise control of the fluid’s flow characteristics, enabling more adaptive and responsive systems.
9. Ceramic and Composite Materials:
- Zirconium Ferrite (ZrFe₁₂O₁₉) is also incorporated into ceramic matrix composites and functional ceramics to enhance mechanical strength, thermal conductivity, and magnetic properties. This makes it suitable for use in advanced ceramics for engineering and structural applications.
- It is used in the production of engine components, brake materials, and high-performance coatings in industries requiring high durability and resistance to wear and corrosion.
10. Research and Development:
- Barium Ferrite is extensively used in research and development for the exploration of new applications in nanotechnology, magnetic materials, and energy storage systems. Its unique properties make it ideal for developing next-generation magnetic materials, nanocomposites, and energy-efficient devices.
- Researchers use the 1-3 µm powder in studies of advanced magnetic materials, nanoelectronics, and novel storage technologies for various industries.
Summary:
Barium Ferrite Micron Powder (BaFe₁₂O₁₉, 99.97%, 1-3 µm, Cubic) is a high-performance material with outstanding magnetic properties, high coercivity, and thermal stability. It is widely used in magnetic applications, including permanent magnets, magnetic recording media, electromagnetic shielding, and sensor technologies. The fine particle size ensures uniform dispersion and enhances the magnetic efficiency of the material in various industrial, aerospace, and electronic applications. Its unique combination of high magnetic saturation, durability, and biocompatibility makes it indispensable in a wide range of high-performance applications, from electronics to medical devices.
