Overview of Boron Nitride Ceramic

Boron Nitride (BN) ceramic is a unique material renowned for its exceptional properties, making it highly valuable in various industrial applications. It exists in multiple forms, primarily hexagonal boron nitride (h-BN), cubic boron nitride (c-BN), and wurtzite boron nitride (w-BN). Hexagonal BN, the most common form, is often compared to graphite due to its lubricious and thermally conductive yet electrically insulating nature. Boron Nitride ceramics are synthesized under high temperatures and pressures, offering a rare combination of properties not found in many other materials.

Features of Boron Nitride Ceramic

Thermal Conductivity: Excellent thermal conductivity, especially in the hexagonal form, allowing efficient heat dissipation.

Electrical Insulation: Outstanding electrical insulation properties make it ideal for electrical applications requiring thermal management.

Chemical Stability: Highly resistant to chemical attacks, including strong acids and bases, ensuring durability in harsh environments.

Thermal Shock Resistance: Superior resistance to thermal shock, enabling it to withstand rapid temperature changes without cracking.

Mechanical Strength: Good mechanical strength at both room and elevated temperatures, although this can vary with the form of BN.

Lubricity: Self-lubricating property due to its layered structure, which reduces friction and wear in moving parts.

Non-Toxic: Safe to use in various settings, including medical and food processing industries, due to its non-toxic nature.

High-Temperature Performance: Maintains stability at extremely high temperatures, exceeding 1000°C in inert atmospheres, making it suitable for refractory applications.

(Pyrolytic Boron Nitride Ceramic Crucible PBN Boat for Vacuum Melting)

Specification of Pyrolytic Boron Nitride Ceramic Crucible PBN Boat for Vacuum Melting

This item is a pyrolytic boron nitride (PBN) ceramic crucible designed for vacuum melting applications. The material is manufactured with chemical vapor deposition, developing a highly pure, dense framework. It contains over 99.99% boron nitride, making certain marginal contamination throughout high-temperature processes. The crucible runs successfully in temperatures approximately 1800 ° C under vacuum or inert gas environments. Its thermal security protects against deformation or cracking, also throughout quick home heating or cooling cycles.

The PBN watercraft displays reduced thermal growth, decreasing tension under extreme temperature modifications. It withstands chain reactions with molten metals, semiconductors, and corrosive gases. This makes it suitable for refining products like gallium arsenide, indium phosphide, and various other high-purity compounds. The non-wetting surface avoids material adhesion, streamlining post-process cleansing.

Electric insulation residential properties allow risk-free use in settings with solid electromagnetic fields. The material’s reduced thermal conductivity makes sure controlled heat distribution, improving process uniformity. Available in personalized shapes and sizes, the crucible accommodates diverse commercial demands. Criterion dimensions vary from 20mm to 200mm in length, with wall thicknesses in between 0.5 mm and 3mm.

PBN crucibles work with ultra-high vacuum systems, preserving architectural integrity below 10 ^ -6 Pa. They outshine conventional quartz or graphite alternatives by eliminating pollutants and prolonging service life. The smooth surface coating lessens particle generation, vital for semiconductor production.

Applications include molecular light beam epitaxy, single crystal development, and metal purification. The material’s transparency to infrared radiation enables real-time process surveillance in certain arrangements. Handling preventative measures include avoiding mechanical impact and sudden temperature shifts above 200 ° C/min. Storage referrals emphasize completely dry, room-temperature conditions to avoid wetness absorption.

Normal assessment for surface area cracks or discoloration makes certain ideal efficiency. The crucible is reusable after appropriate cleansing with non-abrasive techniques. Manufacturing lead times vary based on customization, with conventional units generally offered within 4-6 weeks. Compliance with ISO 9001 requirements warranties consistent quality assurance.

(Pyrolytic Boron Nitride Ceramic Crucible PBN Boat for Vacuum Melting)

Applications of Pyrolytic Boron Nitride Ceramic Crucible PBN Boat for Vacuum Melting

Pyrolytic boron nitride (PBN) ceramic crucibles, usually called PBN boats, are specialized devices for high-temperature procedures in vacuum environments. These crucibles are used chemical vapor deposition. This approach creates a pure, dense material with unique residential properties. PBN boats handle severe warmth, up to 2000 ° C in vacuum conditions. They stand up to thermal shock, indicating they won’t split when temperatures alter quickly. They likewise stay secure chemically, also when exposed to responsive metals or liquified materials.

PBN crucibles are commonly made use of in vacuum cleaner melting for semiconductors. They hold and melt materials like gallium arsenide, indium phosphide, and silicon. These materials are important for making electronic parts. The crucibles prevent contamination since PBN does not respond with most substances. This purity makes sure the end product executes well in tools like LEDs or laser diodes.

The aerospace industry uses PBN boats for processing high-performance alloys. These steels require accurate melting conditions. PBN’s thermal stability permits consistent results. The crucibles also work in crystal development systems. They aid produce single-crystal products for optics or sensing units.

PBN surpasses standard crucible products like quartz or graphite. Quartz breaks down at heats. Graphite can launch contaminations into melts. PBN lasts longer, lowering replacement expenses. Its smooth surface area stops materials from sticking. This makes cleansing much easier and prolongs usability.

Research study labs rely on PBN boats for experiments including unusual earth steels or superconductors. The crucibles handle hostile chemicals without weakening. This integrity supports exact data collection. Makers of thin-film finishings utilize PBN to evaporate materials equally. Consistent coatings enhance product top quality in electronics or solar panels.

Dealing with PBN calls for care. It is fragile and can chip if mishandled. Proper storage space and gentle cleansing preserve its framework. Despite this, its benefits make it a top option for demanding applications. Industries prioritize PBN for its ability to maintain pureness, withstand heat, and deliver repeatable results.

Company Introduction

Advanced Ceramics founded on October 17, 2014, is a high-tech enterprise committed to the research and development, production, processing, sales and technical services of ceramic relative materials and products.. Since its establishment in 2014, the company has been committed to providing customers with the best products and services, and has become a leader in the industry through continuous technological innovation and strict quality management.

Our products includes but not limited to Silicon carbide ceramic products, Boron Carbide Ceramic Products, Boron Nitride Ceramic Products, Silicon Carbide Ceramic Products, Silicon Nitride Ceramic Products, Zirconium Dioxide Ceramic Products, Quartz Products, etc. Please feel free to contact us.(nanotrun@yahoo.com)

Payment Methods

T/T, Western Union, Paypal, Credit Card etc.

Shipment Methods

By air, by sea, by express, as customers request.

5 FAQs of Pyrolytic Boron Nitride Ceramic Crucible PBN Boat for Vacuum Melting

Pyrolytic Boron Nitride (PBN) ceramic crucibles are high-purity containers made through chemical vapor deposition. This process creates a material with strong thermal stability, low reactivity, and excellent resistance to thermal shock. PBN boats are widely used in vacuum melting applications due to their ability to handle extreme conditions without contaminating materials.

1. What makes PBN crucibles suitable for vacuum melting?
PBN crucibles resist high temperatures and chemical reactions. They stay stable in vacuums and inert atmospheres. Their non-reactive surface prevents impurities from mixing with melted materials. This ensures high-purity results in processes like metal or semiconductor processing.

2. What maximum temperature can PBN crucibles withstand?
PBN crucibles handle temperatures up to 1800°C in vacuum environments. They maintain structural integrity under repeated heating and cooling cycles. Their low thermal expansion reduces cracking risks compared to other ceramics.

3. Are PBN boats compatible with all materials?
PBN works well with most metals, semiconductors, and high-purity compounds. It avoids reactions with aggressive substances like molten aluminum or gallium. However, it degrades in oxygen-rich settings above 800°C. Always check compatibility with specific materials before use.

4. How should PBN crucibles be cleaned and maintained?
Clean PBN boats with dilute acids or alcohol to remove residues. Avoid mechanical impacts or sudden temperature changes. Store them in dry, contaminant-free environments. Proper care extends their lifespan and prevents performance issues.

5. Why choose PBN over graphite or quartz crucibles?
PBN offers higher purity and better thermal shock resistance than graphite or quartz. It does not release gases in vacuums, unlike graphite. It also outlasts quartz in high-temperature cycles. These traits make PBN ideal for critical applications requiring precision and reliability.

(Pyrolytic Boron Nitride Ceramic Crucible PBN Boat for Vacuum Melting)