A tungsten carbide copper plate is a composite material made by sintering tungsten carbide blank plate infiltrate with copper. This results in a flat plate or sheet-like structure that combines the properties of tungsten carbide and copper.
Composition:
Tungsten Carbide (WC): This is a hard compound consisting of tungsten and carbon. It is known for its exceptional hardness and wear resistance. The percentage of tungsten in the alloy typically ranges from 50% to 70%.
Copper (Cu): Copper is a highly conductive metal that provides excellent electrical and thermal conductivity. It also helps with the consolidation of tungsten carbide particles. The copper content generally ranges from 50% to 30%.
Properties:
High Hardness: The presence of tungsten carbide imparts high hardness and wear resistance to the alloy, making it suitable for applications that involve abrasive wear.
Electrical Conductivity: Copper provides excellent electrical conductivity, allowing these alloys to conduct electricity effectively. This makes them suitable for electrical contacts and conductive parts.
Thermal Conductivity: Copper tungsten alloys offer good thermal conductivity, making them useful for heat sinks and applications requiring efficient heat dissipation.
High Density: The tungsten content contributes to a high density, which is beneficial in applications where weight or inertia plays a role.
Corrosion Resistance: Copper provides some level of corrosion resistance, although not as high as pure copper. The tungsten carbide component can help improve resistance to certain forms of corrosion.
Machinability: These alloys can be machined, but their high hardness may require special tools and techniques. The machinability depends on the specific composition.
High-Temperature Stability: Tungsten carbide copper alloys can withstand high temperatures without softening or deforming, making them suitable for high-temperature applications.
Thermal Expansion: The coefficient of thermal expansion of copper tungsten is generally between that of copper and tungsten, which can be advantageous in some applications.
The specific combination of properties can be tailored to meet the requirements of different applications by adjusting the tungsten-to-copper ratio and through various processing techniques, such as sintering or infiltration. These alloys are used in a wide range of industries, including electronics, aerospace, manufacturing, and more, where their unique properties are highly valued.
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