Copper tungsten alloy is a composite material formed by combining copper and tungsten through a powder metallurgy process. It is a unique material that has excellent mechanical and thermal properties. This material is widely used in various applications due to its unique characteristics.
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Characteristics:
1. High strength and durability: Tungsten copper alloy has high mechanical strength and is more durable than pure copper.
2. High thermal and electrical conductivity: The alloy has good thermal and electrical conductivity, which makes it an ideal choice for electrical and thermal transfer applications.
3. High melting point: The melting point of the alloy is high, making it suitable for use in high-temperature applications.
4. High wear resistance: Copper tungsten alloy has good wear resistance due to the presence of tungsten.
5. Corrosion resistance: The material is highly resistant to corrosion in several challenging environments.
6. Machinability: Copper tungsten alloy can be easily machined using standard methods.
Applications:
1. Oil perforation industry: The jet formed by tungsten-copper liner has high head velocity and good continuity, which is suitable for the charge with large penetration depth. The experimental results show that the penetration performance of tungsten-copper liner on 603 homogeneous armor steel is better than that of copper liner, and the penetration depth can be increased by 45% compared with that of copper liner.
2. Electrical and electronic applications: Tungsten copper alloy is used in electrical contact materials, high-voltage switches, heat sinks and electrical components due to its high electrical conductivity and low-expansion.
3. Aerospace and defense industry: Tungsten copper alloy is used in components for various spacecraft and aircraft due to its high strength and durability. Such as connectors，ballistic penetrators, rocket nozzles, gas rudder, air rudder, nose cone of missile and radiation shielding.The main requirements are high temperature resistance (3000K~5000K) and high temperature air flow erosion resistance.
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4. Medical applications: It is also used in medical devices such as X-ray tubes, CT scanners, and radiation shielding due to its excellent thermal conductivity and high melting point.
5. Automotive and transportation: The material is also used in automotive and transportation applications such as electrical contact points and bearings.
6. Welding and cutting: Copper tungsten is an ideal material for welding and cutting applications due to its high melting point and excellent wear resistance.
Reference:
2. M. Dehghanian et al., "Investigating the effect of copper tungsten alloy percentage on the mechanical properties and abrasion behavior of aluminum matrix composite," Journal of Composite Materials, vol. 54, no. 8, pp. 1065-1077, 2020.
3. "Tungsten-Copper Alloys" by P. Kaestner and "Tungsten Copper Composite Materials: A Review" by M. K. Singh and A. K. Srivastava.
Copper tungsten alloy is an alloy composed of tungsten and copper. It combines the advantages of copper and tungsten. For example, this alloy has the advantages of high strength, high specific gravity, high-temperature resistance, arc ablation resistance, good electrical and thermal performance, and good processing performance. Therefore, it has been widely used in the industry and our daily life. In this article, we will introduce 4 uses of copper tungsten alloy that you mightn’t know.
This alloy is used as nozzles, gas rudders, and air rudders for missiles and rocket engines in aerospace because of its high-temperature resistance. At this time, the principle of sweating refrigeration effect formed by the volatilization of copper at high temperatures (copper melting point 1083 ℃) is used to reduce the surface temperature of tungsten copper to ensure its use under extreme high-temperature conditions.
High Voltage Switches
This alloy is widely used in high-voltage switches. The main reason is the specific advantages of tungsten-copper alloys such as arc ablation resistance, anti-fusion welding, small cut-off current, and low thermal electron emission capability.
Electro Machining Electrode
The advantages of tungsten copper electrodes are high-temperature resistance, high-temperature strength, arc ablation resistance, good electrical and thermal conductivity, and fast heat dissipation. Its applications are concentrated on EDM electrodes, resistance welding electrodes, and high-pressure discharge tube electrodes.
Electro-processed electrodes are characterized by a wide variety of specifications, small batches, and large totals. The tungsten-copper material used as the electro-machined electrode should have the highest possible density and uniformity of the tissue, especially for those elongated rod-shaped, tubular, and shaped electrodes.
Tungsten-copper electronic packaging and heat sink materials have both low-expansion characteristics of tungsten and high thermal conductivity of copper. Its thermal expansion coefficient and thermal conductivity can be changed by adjusting the composition of tungsten copper, thus providing a wider range of applications for tungsten copper.
Tungsten copper materials have high heat resistance and good thermal conductivity, and at the same time, they have a thermal expansion coefficient that matches silicon wafers, gallium arsenide, and ceramic materials, so they are widely used in semiconductor materials, suitable for high-power device packaging materials, heat sink materials, heat dissipation components, ceramics, and gallium arsenide bases, etc.
Throughout the development history of tungsten-copper alloy materials, with the progress of basic research and the improvement of preparation technology, the performance of tungsten-copper alloy has been greatly improved, and it also provides a broader prospect for the expansion of the application field of tungsten-copper alloy.
Thank you for reading our article, and we hope it can help you have a better understanding of tungsten-copper alloy. If you want to know more about tungsten and other refractory metals, you can visit Advanced Refractory Metals (ARM) for more information. Headquartered in Lake Forest, California, America, ARM is a top manufacturer & supplier of refractory metals across the world, providing customers with high-quality refractory metals such as tungsten, molybdenum, tantalum, rhenium, titanium, and zirconium at a very competitive price.
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