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Hexaboruro de lantano en gránulos
Hexaboruro de lantano en gránulos 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.
O envíenos un correo electrónico a sales@heegermaterials.com.Lanthanum Hexaboride Granules Data Sheet
| Color: | Morado |
| Fórmula química: | LaB6 |
| Gama de diámetros: | personalizado |
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
| Pureza de LaB6: 99%, 99,9%, 99,9995%, B(% mín.): 31% | |||
| Impurezas de tierras raras | Impurezas no RE | ||
| 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.
- Excelente estabilidad térmica: With a high melting point and resistance to evaporation, Lanthanum Hexaboride Granules perform reliably in extreme temperature environments.
- Inercia química: 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.
- Sistemas de generación de plasma: 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.
Propiedades cerámicas del hexaboruro de lantano
Mecanizado de material cerámico de hexaboruro de lantano
La cerámica de hexaboruro de lantano (LaB6) es un material especializado apreciado por su excelente emisión termoiónica, alto punto de fusión y estabilidad química. Estas propiedades lo hacen esencial en las aplicaciones de emisión de electrones, pero también plantean problemas de mecanizado debido a su dureza y fragilidad. Entre las consideraciones clave para el mecanizado se incluyen:
- Cortando: Se necesitan herramientas de precisión diamantadas o métodos de corte por láser para conseguir bordes limpios y evitar microfisuras y daños en la superficie.
- Rectificado: Las muelas de diamante finas proporcionan la precisión necesaria para mantener las tolerancias dimensionales y la suavidad de la superficie, especialmente en el caso de componentes intrincados o pequeños.
- Perforación: Las técnicas de mecanizado por ultrasonidos o chorro de agua abrasivo se utilizan a menudo para crear orificios y características precisas sin inducir tensiones térmicas ni grietas.
- Acabado superficial: Los procesos de pulido mejoran la calidad de la superficie, reducen la dispersión de electrones y aumentan la eficacia de emisión, lo que es fundamental para las aplicaciones de cátodos de alto rendimiento.
Envases cerámicos de hexaboruro de lantano
Los productos cerámicos de hexaboruro de lantano suelen envasarse en bolsas selladas al vacío para evitar la humedad o la contaminación y se envuelven con espuma para amortiguar las vibraciones y los impactos durante el transporte, lo que garantiza la calidad de los productos en su estado original.
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