Overview of Sintered Aluminum Nitride Ceramic Crucible for Melting

Aluminum Nitride Ceramic is an advanced ceramic material with aluminum nitride as the main component. It has been widely used in electronics, optics, and mechanics due to its unique properties.

Features of Sintered Aluminum Nitride Ceramic Crucible for Melting

High thermal conductivity: Aluminum nitride ceramics have relatively high thermal conductivity, usually between 170-260 W/m·K, which makes it an excellent heat dissipation material. It is especially suitable for electronic devices that require efficient heat dissipation, such as substrate materials for power semiconductor devices.

Good electrical insulation: Despite its high thermal conductivity, aluminum nitride ceramics are excellent insulators of electricity, which can effectively prevent current leakage and ensure the safe operation of electronic components.

Low dielectric constant and dielectric loss: These characteristics make aluminum nitride ceramics very suitable for use in high-frequency circuits because it can reduce energy loss during signal transmission.

High temperature resistance: Aluminum nitride ceramics can maintain structural stability and strength at extremely high temperatures. Its melting point is about 2800°C, so it is suitable for applications in high temperature environments.

Low thermal expansion coefficient: Compared with semiconductor materials such as silicon, aluminum nitride has a lower thermal expansion coefficient, which means it has better dimensional stability when the temperature changes, which helps improve packaging reliability.

Corrosion resistance: Aluminum nitride ceramics have good chemical stability to most molten metals and are not easily oxidized or corroded, allowing them to perform well in harsh environments.

High mechanical strength: Although not as hard as some other types of ceramic materials, aluminum nitride ceramics still provide enough mechanical strength to allow them to be used in many structural applications.

(Sintered Aluminum Nitride Ceramic Crucible for Melting)

Specifications of Sintered Aluminum Nitride Ceramic Crucible for Melting

This sintered aluminum nitride ceramic crucible handles extreme heat for metal melting. It withstands temperatures over 1700°C easily. This material handles sudden temperature changes very well. It won’t crack easily when heated or cooled fast. This thermal shock resistance is key for repeated melting cycles.

The crucible offers excellent chemical stability. It resists attack from many molten metals. Aluminum melts don’t stick to it. Copper melts also cause little reaction. This inertness keeps your melt pure. It prevents contamination of valuable metals. You get cleaner metal results.

Its structure is very dense. This high density stops leaks. It stops molten metal from seeping through. The crucible is physically strong too. It resists chipping and mechanical wear during use. This strength means it lasts longer. You get more melts per crucible.

Aluminum nitride conducts heat well. Heat spreads evenly through the crucible walls. Your melt heats uniformly. You avoid hot spots. This efficient heating saves energy. Melting times are more consistent.

The material is very pure. Low levels of impurities exist. This purity prevents unwanted elements entering your melt. Crucibles come in standard sizes. Custom shapes are possible too. Handle it carefully. Avoid sharp impacts before heating. Follow proper pre-heating steps. This ensures maximum lifespan.

(Sintered Aluminum Nitride Ceramic Crucible for Melting)

Applications of Sintered Aluminum Nitride Ceramic Crucible for Melting

Sintered aluminum nitride ceramic crucibles are extremely useful for demanding melting jobs. They stand up to very high temperatures. They also conduct heat very well. This helps melt materials fast and saves energy. They won’t react with most molten materials. This keeps the melt pure and clean. Contamination ruins many processes. These crucibles prevent that.

Semiconductor makers need them often. Melting ultra-pure silicon or gallium arsenide is critical. Aluminum nitride crucibles handle this perfectly. They don’t add impurities. They also last a long time under tough conditions. Crystal growth uses them heavily too. Growing sapphire crystals needs careful control. Aluminum nitride provides stable, non-reactive support. Melts for lithium tantalate or lithium niobate crystals work well in them. The crucible doesn’t interfere with the crystal structure.

Special metal melting benefits too. High-purity aluminum or aluminum alloys require clean melting. Aluminum nitride crucibles deliver this. They handle sudden temperature changes well. This is vital for many production steps. Melting rare or precious metals like indium is another good fit. Preventing loss of expensive material matters. The crucible’s inertness helps achieve this. Researchers exploring new alloys use them. The crucibles offer reliability and consistent 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.

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5 FAQs of Sintered Aluminum Nitride Ceramic Crucible for Melting

What temperature can this crucible handle?
It withstands constant heat up to 1600°C. Short bursts reach 1800°C. This suits most melting jobs. Do not exceed 1800°C. Higher temperatures cause damage.

Is the crucible fragile?
Handle carefully. The material is brittle. Avoid bumps or drops. Use proper tools for moving it. Sudden temperature shifts also risk cracking. Heat and cool it slowly.

How long does the crucible last?
Lifespan changes with use. Melting temperature matters. The metal type matters too. How often you use it matters. Proper handling extends its life. Expect many uses under normal conditions.

How do I clean it?
Let the crucible cool completely first. Remove leftover metal mechanically. Gentle scraping works. Avoid harsh chemicals or abrasives. They damage the surface. A clean, dry cloth removes dust.

What metals can I melt in it?
It works well with many non-ferrous metals. Aluminum, copper, and their alloys are common. Avoid highly corrosive metals like lithium. Avoid reactive metals like titanium. Check compatibility for your specific metal.

(Sintered Aluminum Nitride Ceramic Crucible for Melting)