ALN Ceramics

Aluminum nitride (ALN) crucible

Aluminum nitride ceramics can be used as vacuum evaporation and metal smelting containers, especially suitable for aluminum vacuum evaporation crucible, because aluminum nitride ceramics are heated in a vacuum with low vapor pressure, and will not contaminate aluminum even if decomposed. In the semiconductor industry, using aluminum nitride crucible instead of quartz crucible to synthesize arsenide can completely eliminate the contamination of Si on GaAs and obtain high purity products,and it also can be used as Electronic Material Crucible,Industrial Melting Crucibles,Chemical Analysis Crucibles,and so on.

Aluminum nitride crucibles are a new type of high-temperature crucible, offering greater heat resistance and chemical corrosion resistance compared to quartz crucibles. The advantages of aluminum nitride crucibles over quartz crucibles include:

Higher Heat Resistance: Aluminum nitride crucibles can operate at temperatures up to 1800°C, exceeding quartz crucibles by more than 300°C, thus meeting more high-temperature experimental requirements.

Better Chemical Corrosion Resistance: Aluminum nitride crucibles demonstrate superior stability in corrosive media such as acids and bases, preventing corrosion and dissolution, making them suitable for use in harsher environments.

Higher Wear Resistance: The hardness of aluminum nitride crucibles is over twice that of quartz crucibles, making them less prone to wear and extending their service life.

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Data Sheet

Properties	Condition	Units	AN-170I
Density	--	g/cm3	3.32
Thermal conductivity	25℃	W/m·K	170
Bending strength	3-point method,25℃	MPa	410
Insulation	25℃	KV/mm	31
Volume resistity	25℃	Ω·cm	4.96×10¹⁴
Dielectric constant	1MHz	— —	8.8
Dielectric loss	1MHz	— —	6.6×10^-4
CTE	25~400℃	×10-6/K	4.6

Application :

Aluminum nitride crucibles can be widely applied in various high-temperature and corrosive experimental and production fields, particularly in the following areas:

High-Temperature Experiments: Aluminum nitride crucibles can operate stably at high temperatures and are suitable for high-temperature melting experiments, high-temperature heat treatment experiments, and more.

Chemical Analysis: With strong chemical corrosion resistance, aluminum nitride crucibles are ideal for various chemical analysis experiments, such as acidity determination and elemental analysis.

Preparation Processes: Due to their superior wear resistance, aluminum nitride crucibles are suitable for various preparation processes, including the melting of metal materials and the firing of ceramic products.

Our advantage

Xiamen juci company produce aluminum nitride crucible by Powder injection molding process,it has below advantage

1.Can make complex shapes
2.High production quantities
3.Excellent performance
4.Low cost

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