AlNセラミック
窒化アルミニウムセラミック
Aluminum nitride ceramics are composed of aluminum nitride (AlN) and are ceramics with aluminum nitride (AlN) as the main crystal phase. Molded from aluminum nitride and then sintered at high temperatures. Mainly used for aluminum nitride substrates, crucibles and aluminum nitride wafers.
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AlN /Aluminum-nitride
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What is Aluminum Nitride Ceramic
Aluminum nitride ceramics are made of aluminum nitride (AlN) sintered at high temperature. The molecular formula of aluminum nitride is AlN, the molecular weight is 40.99, the common melting point is mp 2400°C (dec), and the common density is d 0.00326 g/cm3. Its common Its structure is cubic β-AlN and hexagonal α-AlN. It is an advanced ceramic material with excellent performance. The thermal conductivity of aluminum nitride is usually between 100-320W/(m·K), which is related to the purity and preparation process. The better the preparation, the higher the purity, and the higher the thermal conductivity. It is also affected by the temperature environment. Aluminum nitride (AlN) ceramics have good high temperature resistance and mechanical strength, and can remain stable under high temperature, high pressure, and harsh environments. Mainly used to manufacture ceramic heat sinks, aluminum nitride substrates, packaging materials, sensors, high-frequency electronic devices, aluminum nitride wafers and aluminum nitride crucibles, etc.
Aluminum Nitride Ceramic Product List
AlN Ceramic Product List
窒化アルミニウム
AlN Ceramic Main features
High Thermal Conductivity
Aluminum nitride ceramics have high thermal conductivity. Under ideal conditions, it can reach up to 300W/(m·K). It is one of the best choices for semiconductor heat dissipation components.
High temperature acid and alkali resistance
Aluminum nitride ceramics have extremely strong resistance to high temperatures and acid and alkali, with a temperature resistance of up to 2400 °C,especially suitable for laboratory crucibles, etc.
Good Mechanical Properties
Aluminum nitride ceramic three-dimensional structural parts have good mechanical properties and can be used stably in harsh environments, such as in various battery components.
Product Feature Box
高硬度
Mohs hardness reaches 9-9.5, strong wear resistance.
優れた熱伝導性
Excellent thermal conductivity, ideal high temperature heat dissipation material.
優れた化学的安定性
Acid, alkali and salt corrosion resistant, suitable for chemical industry.
高温安定性
Stable at high temperatures, suitable for high temperature heater and furnace applications.
Thermal Shock Resistance of Aluminum Nitride Ceramics
Aluminum nitride ceramics have a special structure and excellent thermal shock resistance. AlN can be generated at 800°C - AION’s thermal shock resistance is better than oxide refractory materials such as ALO3 and MgO, making AlN-based refractory materials.
The corrosion resistance is better than non-oxide refractory materials such as SiC, Si, and N. Thermal shock resistance refers to the ability of a material to resist thermal shock and thermal cycle effects under high temperature conditions.
GORGEOUS has a professional R&D team, years of technology accumulation and continuous investment, which is the cornerstone of helping customers solve heat conduction and heat dissipation problems in the best way. At the same time, we also provide customers with services such as processing of supplied materials, drawings and engineering design.
AlN/Aluminum nitride mechanical properties
| 名前 | AlN/Aluminum nitride | |||
| 密度 | g/cm3 | 3.31 | ||
| Modulus of Elasticity | GPa | 310 | ||
| 破壊靭性 | Mpa x m^1/2 | 3.5 | ||
| Poisons Ratio | – | 0.25 | ||
| 圧縮強度 | MPa | 2100 | ||
| 曲げ強度 | MPa | 335 | ||
| Hardness (Vickers) | GPa | 11 | ||
| Hardness (Knoop 100 g) | Kg/mm2 | 1170 | ||
AlN/Aluminum nitride physical properties
ALN
| 名前 | AlN/Aluminum nitride | |||
| Maximum Temperature | Oxidizing | 750°C | Inert | 1300°C |
| 熱伝導率 | @ 25°C | 180W/mK | @ 300°C | 130W/mK |
| 比熱 | 760J/kg.K | |||
| Thermal Shock Resistance ΔT | 400°C | |||
| Coefficient of Expansion（10^-6/°C） | CTE 25°C ➞ 300°C | 4.6 | CTE 25°C ➞ 1000°C | 5.6 |
| 誘電率 | 8.6 （1 MHz） | |||
| Loss Tangent | 5×10^-4（1 MHz） | |||
| 体積抵抗率 | 25°C | >10^13Ω cm | 500°C | 10^7Ω cm |
* Note –AlN/Aluminum nitride will form an oxide film on its surface at high temperatures, which can protect aluminum nitride. (The thermal conductivity of alumina is 30 W/m.K), the oxygen atmosphere is 750°C, and the inert gas protective atmosphere is 1350°C.
Why choose us, our AlN advantages
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当社の顧客は世界中に広がり、機械製造、電子・電気、化学製造、医療機器、航空宇宙など、多岐にわたる業界を網羅しています。国内外の多くの企業や研究機関と緊密な協力関係を築き、エンジニアリングセラミック技術の革新と応用を推進しています。
当社は製品に関して、常に品質第一、お客様第一の理念を堅持しています。技術革新とチームワークを重視し、最高品質の製品とサービスをお客様に提供することに尽力しています。
Alumina Nitride Ceramic For Different Industries
AlN ceramics are widely used across various fields including electronics, chemical industry, mechanical engineering, medical devices, research, and laboratory settings.
機械工学
In mechanical engineering, aluminum nitride ceramics find applications in ceramic bearings, sliding components, cutting tools, abrasives, transmission parts, mechanical connectors, and more. Their superior hardness, wear resistance, and stability enable them to perform well in high-strength mechanical environments.
Electronic Devices
Ceramic materials generally integrate well with the electronics industry. Aluminum nitride ceramics are commonly used for heat dissipation substrates, packaging materials, electronic ceramics, and more, thanks to their good insulation and strong heat dissipation properties.
Chemical Industry
Aluminum nitride ceramics exhibit corrosion resistance and chemical stability, making them capable of maintaining excellent stability even in harsh chemical environments. They are often manufactured into linings for chemical equipment, valves, pipelines, and other components in the chemical industry.
医療機器
AlN ceramics also play a significant role in the field of medical devices. Their excellent biocompatibility makes them commonly used in artificial joints, dental restoration materials, surgical instruments, and other medical applications, making them an ideal material for medical purposes.
航空宇宙
For aerospace applications, materials must withstand extreme weather conditions. The high temperature resistance and corrosion resistance of aluminum nitride ceramics make them ideal for manufacturing thermal structural components, thermal protection materials, engine components, and other aerospace materials.
One-Stop Aluminum Nitride Ceramic Parts Fabrication Services
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Aluminum Nitride Ceramic Production Process
Can AlN/aluminum nitride ceramics be customized?
If you have customization needs, just provide us with drawings, and our professional team will customize it for you according to your needs, and will also provide you with technical support and advice.
What is the matching of thermal expansion coefficient of aluminum nitride ceramics?
The thermal expansion coefficient of aluminum nitride ceramics is similar to that of many metal materials and other ceramic materials, so its bonding properties are very good. When combined with aluminum, copper, silicon, alumina and other materials, cracks caused by temperature changes are greatly reduced. Reduced, it is one of the ideal materials in many high-temperature industrial fields.
How does the thermal conductivity of aluminum nitride compare with that of metallic aluminum?
Aluminum nitride ceramics have excellent thermal conductivity, have a higher thermal conductivity than metallic aluminum, and have very uniform thermal conductivity, which can transfer heat evenly and reduce heat loss.
Is aluminum nitride excellent in electrical insulation?
Aluminum nitride ceramics are also excellent insulating materials. Its crystal structure is very tight and it is difficult for electrons to move freely in it. It can be used in insulating materials in the fields of electronics, semiconductors, and electricity. Moreover, aluminum nitride ceramics still have good stability in high-voltage and high-frequency environments, which can effectively prevent current leakage and ensure the stable operation of electrical equipment. They are also often used in high-frequency electronic devices, In electrical components such as radio frequency devices.
Is aluminum nitride magnetic?
Aluminum nitride ceramic is a non-magnetic material, so it is suitable for applications where non-magnetic materials are required, such as magnetic resonance imaging equipment.
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