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Lanthanum Hexaboride Granules
Lanthanum Hexaboride Granules are high-purity, thermionic materials known for their excellent electron emission, low work function, and strong thermal and chemical stability. These granules are commonly used as raw material for producing cathodes, coatings, and sintered shapes in advanced electronic and plasma systems. With high conductivity and resistance to oxidation, lanthanum hexaboride granules are ideal for vacuum applications, including electron beam sources, ion thrusters, and thermionic converters. We can supply high-quality Lanthanum Hexaboride Granules with various specifications and competitive prices, offering customized solutions to meet specific requirements.
Or email us at sales@heegermaterials.com.Lanthanum Hexaboride Granules Data Sheet
| Color: | Purple |
| Chemical Formula: | LaB6 |
| Diameter Range: | customized |
Lanthanum Hexaboride Granules Description
Lanthanum hexaboride granules are a high-performance ceramic material valued for their exceptional electron emission characteristics, chemical inertness, and thermal resilience. Commonly used as a feedstock for sintering and cathode manufacturing, these granules play a critical role in producing electron sources for electron microscopes, ion propulsion systems, and thermionic converters. Thanks to their uniform grain size, high purity, and low evaporation rate, lanthanum hexaboride granules support consistent processing and long-term reliability in harsh environments, including ultra-high vacuum and elevated-temperature systems.
Lanthanum Hexaboride Granules Chemical Compositions
| LaB6 Purity: 99%, 99.9%, 99.9995%, B(% min.): 31% | |||
| Rare Earth Impurities | Non-RE Impurities | ||
| Ce | <120ppm | Fe | <250ppm |
| Pr | <150ppm | Si | <100ppm |
| Nd | <180ppm | Ca | <90ppm |
| Sm | <112ppm | C | <300ppm |
| Y | <250ppm | Mg | <100ppm |
| Ti | <100ppm | ||
Lanthanum Hexaboride Granules Features
- High Electron Emission Capability: Lanthanum Hexaboride Granules exhibit a low work function and excellent thermionic emission, making them ideal for applications requiring stable electron sources.
- Excellent Thermal Stability: With a high melting point and resistance to evaporation, Lanthanum Hexaboride Granules perform reliably in extreme temperature environments.
- Chemical Inertness: Lanthanum Hexaboride Granules are highly resistant to chemical corrosion, even under reactive or vacuum conditions, ensuring longevity and material integrity.
- Consistent Particle Size and Purity: Lanthanum Hexaboride Granules are produced with uniform grain distribution and high purity levels, supporting controlled sintering and processing performance.
- Versatility in Fabrication: Lanthanum Hexaboride Granules are suitable for shaping into various cathodes, coatings, and structural forms used in scientific and industrial equipment.
Lanthanum Hexaboride Granules Applications
- Cathode Manufacturing: Lanthanum Hexaboride Granules are used as the base material for thermionic cathodes in electron beam equipment and high-vacuum devices.
- Plasma Generation Systems: Lanthanum Hexaboride Granules serve as source material for components exposed to high-energy plasma in research and industrial plasma generators.
- Thermionic Energy Conversion: Lanthanum Hexaboride Granules are employed in experimental energy systems where heat is converted to electricity using thermionic principles.
- Advanced Sintered Ceramics: Lanthanum Hexaboride Granules are sintered into dense shapes for structural parts in aerospace, electronics, and high-temperature applications.
- Ion Propulsion and Spacecraft Systems: Lanthanum Hexaboride Granules are used in the production of ion sources and emitters for space propulsion systems, offering reliable performance under vacuum.
Lanthanum Hexaboride Ceramic Properties
Lanthanum Hexaboride Ceramic Material Machining
Lanthanum Hexaboride (LaB6) Ceramic is a specialized material prized for its excellent thermionic emission, high melting point, and chemical stability. These properties make it essential in electron emission applications but also pose challenges in machining due to its hardness and brittleness. Key machining considerations include:
- Cutting: Precision diamond-coated tools or laser cutting methods are necessary to achieve clean edges while preventing microcracks and surface damage.
- Grinding: Fine diamond grinding wheels provide the accuracy needed to maintain dimensional tolerances and surface smoothness, particularly for intricate or small components.
- Drilling: Ultrasonic or abrasive waterjet machining techniques are often used to create precise holes and features without inducing thermal stress or cracking.
- Surface Finishing: Polishing processes improve surface quality, reduce electron scattering, and enhance emission efficiency, which is critical for high-performance cathode applications.
Lanthanum Hexaboride Ceramic Packaging
Lanthanum hexaboride ceramic products are typically packaged in vacuum-sealed bags to prevent moisture or contamination and wrapped with foam to cushion vibrations and impacts during transport, ensuring the quality of products in their original condition.
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