Applications by Material

Aluminum Nitride (AlN)

High Thermal Conductivity · Heat Resistance · Electrical Insulation · Low Thermal Expansion · Plasma Resistance · Chemical Resistance
Compatible with Diffusion Bonding

We introduce machining examples of aluminum nitride.
It is widely used in applications that take advantage of its high thermal conductivity and suitability for high-temperature use (in non-oxidizing environments).

Typical properties of aluminum nitride

Item Vickers Hardness
HV (GPa)		 Fracture Toughness
(MPaｍ1/2)		 Maximum Service Temperature
(℃)		 Coefficient of Thermal Expansion
(×10-⁶/℃)		 Thermal Conductivity
(W/(m·K))		 Thermal Shock Resistance
(℃)		 Dielectric Strength
(kv/mm)		 Chemical
Resistance
Chemical Formula·Purity
AlN 13 3 1,500
(In Nitrogen Atmosphere)		 2.4 160(20℃) 400 >15 Relatively Good
(However, reacts with water and alkaline solutions)

Applications Utilizing Material Properties

Item Features Applications
Maximum Service Temperature
Low Thermal Expansion
High Thermal Conductivity
High Thermal Shock Resistance 		· High Thermal Conductivity for Efficient Heat Transfer
· Efficient Heat Dissipation
· Low Coefficient of Thermal Expansion and High Thermal Shock Resistance. Resistant to Rapid Heating and Cooling without Cracking 		· Components Requiring High Thermal Conductivity at High Temperatures
· Heater Components
· Heat Sinks
Good Chemical Resistance · Resistant to Acidic Gases
· High Plasma Resistance
· Reacts with Water and Alkaline Solutions, Producing Ammonia Gas 		· Components for High-Temperature Acidic Gas Environments
· Components for Plasma Environments

Machinable Sizes

Item Sizes (mm) Item Sizes (mm)
Plate Dimensions Φ350 × 30 Hole Diameter Φ0.03–
Rod Dimensions Φ20 × 200 Hole Depth –300
Grooves Width 0.05– Number of Holes Approx. 1–3,000 Pieces
Steps (Protrusions / Recesses) –30 Threads M2–

Machining Examples of Aluminum Nitride