Shapal-HI-M-Machinable Aluminum Nitride

Machinable aluminum nitride ceramics with high performance

Shapal HI-M has better thermal conductivity than Aluminum nitride (AIN). Its excellent performance and microstructure are widely used in electronics, semiconductor and other industries. Its most distinctive feature is that it can be precisely processed using standard tools, greatly reducing processing time and cost.

Shapal-HI-M Advantages

Shapal-M offers high-precision machining into complex shapes.
Thermal conductivity is 5x higher than alumina (90-100 W/m·K).
High flexural strength (30 kg/mm²), similar to alumina.
Excellent electrical insulation, low dielectric loss, and low thermal expansion.
Strong high-temperature, thermal shock, and vacuum sealing performance.
Resistant to acids, bases, and performs well in vacuum environments.
High mechanical strength, hardness, and easy processing into complex shapes.

Shapal HI-M Applications

Precision insulation substrates, thermal isolation for vacuum.
Plasma etching, ion beam, X-ray/electron beam components.
High-temp sensors, precision machinery parts.
Insulation for high-frequency and vacuum systems.
Vacuum parts, electronic components, heat sinks.
Crucibles, refractory parts (protective tubes).
High-thermal conductivity components for electronics.
Components for semiconductor manufacturing.
Insulation in power electronics and high-voltage systems.
Heat management in laser and aerospace applications.
Parts for high-performance scientific instruments.
Structural supports in high-temperature environments.

Material Properties

Material Properties	Unit	Shapal Hi M
Density	g/cm³	2.9
Vickers hardness	HV	250
Bending strength	MPa	350
Compressive strength	MPa	2500
Toughness	MPa·m¹ᐟ²	2.4
Elastic modulus	GPa	290
Poisson’s ratio	——	0.31
Young’s modulus	GPa	176

Thermal Properties	Unit	Shapal Hi M
Thermal Conductivity @ -100°C	W/（m・K）	100
Thermal Conductivity @ 25°C	W/（m・K）	92
Thermal Conductivity @ 500°C	W/（m・K）	55
Thermal Conductivity @ 1000°C	W/（m・K）	35
Thermal Shock Resistance ΔT	°C	400
CTE¹ 25 °C — 400 °C	10⁻⁶/K	4.8
CTE¹ 25 °C — 600 °C	10⁻⁶/K	4.9
Maximum Temperature (Inert)²	°C	1900

Electrical Properties	Unit	Shapal Hi M
Dielectric constant	1MHz	8.6
Breakdown strength	kV/mm	14
Dielectric loss	1 MHz	0.001
Volume resistivity @ 25 ° C	Ω·cm	10 × 10¹⁵
Volume resistivity @ 500 ° C	Ω・cm	3.2 × 10¹⁰
Volume resistivity @ 1000 ° C	Ω・cm	4.6 × 10⁵

Note: This value is for reference only and may vary slightly depending on the batch conditions.

Shapal-HI-M Machining

Shapal HI-M can be precisely machined using standard tools, making it ideal for high-precision industries and applications. Proper processing parameters are essential to avoid cracks and tool wear. Jundro Ceramics offers expert Shapal machining services tailored to your prototype design and manufacturing needs, ensuring stability and reliability in specialized scenarios. Contact us today for professional assistance from our team of experts.

Prototype Manufacturing Process

Understanding our production process and the latest equipment, we value every detail in the production process to ensure complete customer satisfaction.

Frequently Asked Questions

What is Shapal-Hl-M and how is it used?

Shapal-Hl-M is a machinable graphite-based ceramic with excellent thermal conductivity and high-temperature stability. It is used in applications like semiconductor manufacturing, high-temperature tooling, and vacuum environments, where precision machining is required.

Can Shapal-Hl-M be easily machined?

Yes, Shapal-Hl-M is known for its machinability, allowing for precise shaping and forming using standard machining tools. This property makes it suitable for custom components that require intricate designs and tight tolerances.

How does Shapal-Hl-M compare to traditional ceramics in terms of thermal conductivity?

Shapal-Hl-M has superior thermal conductivity compared to many traditional ceramics, making it a preferred choice for applications requiring efficient heat dissipation and stable performance at high temperatures.

Is Shapal-Hl-M resistant to oxidation and corrosion?

Shapal-Hl-M exhibits good resistance to oxidation and corrosion, particularly in vacuum environments or situations where material integrity under high heat is crucial.

What are the key applications of Machinable AIN?

Machinable AIN is commonly used in power electronics, LED substrates, heat sinks, high-frequency components, and other high-performance electronic applications that require efficient heat dissipation and electrical insulation.

What are the advantages of Machinable AIN over traditional ceramics?

Machinable AIN combines the best properties of ceramics—such as high thermal conductivity, electrical insulation, and mechanical strength—with the added advantage of machinability, making it easier to shape and customize compared to traditional ceramics like alumina.