Products Description
Tungsten copper heat sink is a type of heat sink material that combines the high thermal conductivity of copper with the high melting point and mechanical strength of tungsten. This composite material is formed by sintering tungsten particles within a copper matrix, resulting in a two-phase material with properties that make Tungsten copper heat sink ideal for high-performance applications where both excellent heat dissipation and mechanical stability are required.
Features of Tungsten copper heat sink
- High Thermal Conductivity: The copper content provides high thermal conductivity, which is crucial for efficient heat transfer and dissipation.
- High Melting Point: Tungsten's high melting point allows tungsten copper heat sink to operate at elevated temperatures without melting.
- Mechanical Strength: The tungsten particles add mechanical strength and rigidity to the copper matrix, making the material less prone to deformation.
- Electrical Conductivity: While the thermal conductivity is high, the electrical conductivity is somewhat lower compared to pure copper, but it is still suitable for many applications.
- Good Machinability: Tungsten copper heat sink can be machined to precise shapes and sizes, allowing for the creation of customized heat sinks.
- Corrosion Resistance: Tungsten copper heat sink offers good corrosion resistance, which is beneficial for use in harsh environments.
Applications of Tungsten Copper Heat Sinks:
High-Power Electronics: Tungsten copper heat sinks are used in high-power electronic devices such as power transistors, diodes, and thyristors.
Semiconductor Equipment: In semiconductor manufacturing, these heat sinks are used in high-frequency devices and power amplifiers where efficient heat dissipation is essential.
Aerospace and Automotive: In aerospace and automotive applications, tungsten copper heat sinks are used in systems that require high-performance thermal management.
Medical Equipment: Tungsten copper heat sinks are used in medical equipment such as MRI machines, where heat management is critical for both performance and patient safety.
Laser Systems: High-power laser systems benefit from the thermal management properties of tungsten copper heat sinks to maintain optimal operating temperatures.
Specification of Tungsten copper heat sink
|
|
MIM |
Infiltrated |
MIM |
Infiltrated |
|
Density(g/cm³) |
15.6-16.2 |
16.4 |
9.3-9.5 |
10.0 |
|
Thermal Conductivity |
180-190 W/mK |
190 W/mK |
140-160 W/mK |
160 W/mK |
|
Thermal Expansion |
7.2 ppm/K |
7.47 ppm/K |
7.0 ppm/K |
7.0 ppm/K |
|
Net-Shape Capability |
Excellent |
Sheets Only |
Excellent |
Sheets Only |
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