Tungsten-copper Composite Electrode

Composite electrode combination tungsten copper and iron, to prevent the use of this process ever existed in the pore complex welding crack problem. Tungsten, copper and iron composite electrode is tungsten, copper, iron composite made of two materials, high bonding strength, good electrical conductivity.
1, with a reasonable tungsten, copper, iron, mechanical properties make it more reasonable and easier to use. Small precision machining electrode deformation problem has been satisfactorily resolved;
2, the electrodes can be directly adsorbed magnetic bench grinding, flatness after its processing, surface finish and dimensional accuracy are other processing methods can not be compared and the. Utmost of their superiority in processing large flat electrodes;
3, reference electrode grinding reproduction is good, especially for workers need a combination of multi-electrode processes;
4, a plurality of electrodes can be processed simultaneously, can greatly improve work efficiency;
5, the loss of the electrode by grinding reusable, high usage rate, significantly improve efficiency, reduce processing costs.

If you have any interest in our tungsten copper alloy products, please do not hesitated to contact us by email:sales@chinatungsten.com or by telephone:86 592 5129696, we are at your service.

Electronic Packaging Materials

W-Cu electronic packaging materials, both low expansion characteristics of tungsten, and high thermal conductivity characteristics with copper Particularly valuable is the thermal expansion coefficient and thermal conductivity properties can be designed by adjusting components of the material and thus to the material, application has brought great convenience.

We use high quality raw material purity, by press-forming, high-temperature sintering and infiltration, the excellent performance of W-Cu electronic packaging materials and heat sink material. And power device package suitable material, such as a substrate, the electrodes and the like; performance of the lead frame; military and civilian thermal control device and the thermal control plate radiator.

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Tungsten copper Microelectronic Materials

Tungsten copper electronics package and the heat sink material, both having low expansion characteristics of tungsten, and high thermal conductivity characteristics with copper, the thermal expansion coefficient and thermal conductivity can be varied by adjusting the tungsten and copper components, thus giving tungsten-copper provides a more a wide range of applications.

Since tungsten copper material having high heat resistance and good thermal conductivity, while the wafer, and the thermal expansion coefficient of the ceramic material GaAs match, it is widely used in the semiconductor material. Suitable for high-power devices and packaging materials, heat sink materials, cooling components, such as ceramics and gallium arsenide base.

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Tungsten Copper Contacts

Tungsten copper contacts with excellent resistance to arc burning and welding resistance. By powder metallurgy high pressure contacts can be made into different shapes (extrusion / sintering / infiltration).
 Tungsten is about 50% -90%. Tungsten copper contacts are mainly used in high-voltage electrical switches. Typical for high voltage circuit breakers, load switches, transformer switch, tap changer and the electrode is mainly used for welding.


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Tungsten-copper Composite Material

Tungsten-copper composite material because of its thermal conductivity and expansion characteristics, tungsten copper alloy widely used in dense packaging lines. 70-90% tungsten alloy is used in some products produced in special shapes. Enhanced permeability coefficient of 1.3 for copper homogenous steel target, because the density and increased fracture time between the two. Tungsten powder drug type liner, especially for oil drilling. Other ductile metal can be used as a place of copper and adhesives. Graphite lubricant powder can be added.

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Tungsten Copper Alloy

Tungsten copper alloy has the advantages of both tungsten and copper, high temperature resistance, electric arc ablation, high-intensity, heavy, electrical and thermal conductivity, easy cutting, and has transpiration cooling properties. Widely used in mechanical, electrical, electronics, metallurgy, aerospace and other industries. We using isostatic pressing - temperature sintering tungsten skeleton - copper infiltration process, the production of large, shaped pieces of tungsten content of 70% -90%. Mixing in the production process without any adhesive, after the high temperature sintering of tungsten skeleton of high strength, high purity, uniform structure and excellent performance.

If you have any interest in our tungsten copper alloy products, please do not hesitated to contact us by email:sales@chinatungsten.com or by telephone:86 592 5129696, we are at your service.

Tungsten Copper Nickel Alloy

Tungsten Copper Nickel Alloy Gravity: General accounting for 16.5 ~ 18.75g/cucm;
Power: tensile strength of 700 ~ 1000MPa;

High proportion of tungsten copper-nickel alloy is a kind of matrix of tungsten (W content of 85 to 99 percent), and supplemented with Ni, Cu, Co, Mo, Cr and other elements of the alloy. The non-ferromagnetic alloy, relatively good thermal conductivity properties, often used in some special requirement, such as a gyroscope rotor, and other requirements to work in the magnetic field devices and instrumentation components, high-voltage electrical switch electrical contacts and some EDM electrodes used. Can also be used in full bloom radium containers counterweight and other requirements of high-density parts.

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Tungsten Copper Alloy used in Military High Temperature Materials

Tungsten copper alloy used in aerospace missile, the rocket engine nozzle vane air rudder, nose cone, the main requirement is to require high temperature (3000K ~ 5000K), high temperature air scour capacity,
the main use of copper at high temperatures volatile refrigeration sweat formed (copper melting point 1083 ℃), tungsten copper lower surface temperature at high temperature to ensure the use of extreme conditions.





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High-voltage Switch with Electrical Alloy

Tungsten copper alloy in high-voltage switchgear 128kV SF6 circuit breakers WCu / CuCr medium, and high-voltage vacuum load switch (12kV 40.5KV 1000A), surge arresters are widely used, high-voltage vacuum switches, small size, easy to maintain, using a wide range of energy in the wet, the use of flammable and corrosive environments. The main performance requirements arc erosion resistant, anti-welding, cut-off current, gas-less, low thermal electron emission capability. In addition to conventional macroeconomic performance requirements,

but also requires the porosity, microstructure properties, it should take a special process, the need to vacuum degassing, vacuum infiltration and other complex processes.

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Tungsten Copper Alloy Rod

Tungsten copper alloy rod is made ​​of tungsten rods composed of copper elements.

Tungsten copper rod diameter from 1 mm to 60 mm and a length of up to 300 mm. Tungsten copper alloy rod

production follow ASTM B702, RWMA class 10, RWMA class 11, RWMA class 12, GB/T8320-2003 standards.

Tungsten copper used in electrical discharge (EDM) mold manufacturing field has the following advantages:
- High conductivity, high metal removal rates, and therefore higher productivity
- High hardness, long life
- High density, high surface finish machining mold
- Tungsten copper uniform internal organization

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Tungsten and Copper Resistance Welding Electrodes

Combines the good performance of tungsten and copper, high temperature resistance, electric arc ablation, high-intensity, heavy, good electrical and thermal conductivity, ease of processing, and it functions as sweating , And tungsten high hardness, high melting point, anti-adhesion characteristics, often used to make a certain wear resistance, high temperature welding, butt welding electrodes.

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Tungsten copper alloy tube

Tungsten copper alloy refractory metal alloy is false, it can only manufacture tungsten copper alloy powder metallurgy method. The manufacture of tungsten copper production process is greater Challenges on. Way with wire cutting machining tungsten copper bore, costly and not mass-produced.
Tungsten copper tube is the use of high-purity tungsten powder, tungsten metal properties and excellent plasticity, high electrical conductivity, etc. High purity copper powder by isostatic pressing, sintering temperature, dissolved copper infiltration of workers.

Arts refined composite materials. Broken arc performance, good thermal conductivity, low thermal expansion, high temperature softening, high strength, high density, high hardness. Grade: W-70  (W72, W75, W80).

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Tungsten copper and copper alloys

EDM carried out in the beginning than eternal room , copper or copper alloy is widely used as a processing electrode . Copper and copper alloys although expensive , easy to use , What, then copper and copper alloy electrodes because of impatience spark ablation electrode consuming large machining accuracy, occasionally need to stop the repeated processing. Many die along with the amount of difficult to machine precision, and data components of growth from time to time , as well as technology has become more sophisticated EDM , tungsten copper data as the cumulative amount of EDM electrodes . Currently, tungsten copper alloy can be used as resistance welding electrode ,

the electrode data EDM electrodes , plasma electrodes. In the EDM process, probation electrode data is processed pulses walks and minimal consumption of its own in addition to the erosion of the workpiece . Tungsten and copper data processing speed with fast , high- quality processing , data consumption is small electrode characteristics . Thus , work on finishing high speed machining of molds and hard data , such as a significant advantage . As EDM tungsten copper electrode request information both excellent thermal conductivity function , but also has good anti- corruption functions spark , and the data structure to be very average compact.

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Tungsten-copper (silver) alloy

Tungsten-copper (silver) alloy combines the tungsten and copper (silver) the benefits of metal, there is a world of high melting point of tungsten (tungsten melting point of 3410 ℃, iron melting point 1534 ℃), high density (density tungsten 19.34g/cm3, iron density of 7.8g/cm3); copper (silver) features good thermal conductivity, tungsten copper (silver) alloy (general category of identity WCu7 ~ WCu50) microscopic structure of the average, low temperature, high strength, resistance to arc erosion, high density; conductivity, thermal conductivity function is moderate, commonly used in low-temperature-resistant materials, high-voltage switch with electrical alloy, EDM electrodes, microelectronics materials, parts and components as widely used in aerospace, aviation, electronics, electric power, metallurgy, machinery, sports something other industries.

A two-phase structure of fake tungsten alloy, copper (silver) constitutes the main element is the metal matrix composite materials. Because copper (silver) and tungsten properties vary greatly, and thus can not be applied to stop production of casting method, now apply powder alloy ordinary skill stops made​​.

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Tungsten Copper Uses

Advantages integrated copper and tungsten copper tungsten alloy, high strength ,high weight,high temperature,high arc ablation,good thermal conductivity properties, processing performance, ANK tungsten copper alloy with high quality tungsten powder and oxygen-free copper powder, applications, etc.

isostatic pressing - (high temperature sintering) - copper infiltration, to ensure product purity and accuracy ratio, organized crime, and excellent performance. The Division of domestic quality tungsten copper tungsten copper alloy material, very suitable for high hardness materials and thin electrical discharge machining, EDM surface finish, high precision, low loss, effectively saving EDM electrode material to improve the speed and improve the accuracy of the mold .

If you have any interest in our tungsten copper alloy products, please do not hesitated to contact us by email:sales@chinatungsten.com or by telephone:86 592 5129696, we are at your service.

Tungsten-copper Composite Electrode

Composite electrode combination tungsten copper and iron, to prevent the use of this process in the past Welding Complex in the presence of pores, cracks problem.
Tungsten, copper and iron composite electrode is tungsten, copper, iron composite made of two materials, combined with strong
High, good conductivity.

1, with a reasonable tungsten, copper, iron, mechanical properties make it more reasonable,
Easier to use. Small precision machining electrode deformation problem has been
Good solution; Kwong Yuen Choi Tungsten Copper Tungsten Copper W60 W80 W70 tungsten copper tungsten copper
2, the electrodes may be directly adsorbed on the magnetic grinding stage, the processing of the
Flatness, surface finish and dimensional accuracy are no other processing methods
France and the ratio. Utmost of their superiority in processing large flat electrodes;
3, reference electrode grinding reproduction is good, especially for multi-step groups need
Electrode co workers;
4, a plurality of electrodes can be processed simultaneously, can greatly improve work efficiency;
5, the loss of the electrode by grinding reusable, high usage rate, a substantial increase
Work efficiency, reduce processing costs.

If you have any interest in our tungsten copper alloy products, please do not hesitated to contact us by email:sales@chinatungsten.com or by telephone:86 592 5129696, we are at your service.

Tungsten Copper Mold EDM

Tungsten copper mold used in the manufacture of EDM has the following advantages:
- High conductivity, high metal removal rates, and therefore higher productivity
- High hardness, long life
- High density, high surface finish machining mold
- Tungsten copper uniform internal organization

Tungsten copper rod diameter from 1 mm to 60 mm and a length of up to 300 mm. Tungsten copper alloy rod production follow ASTM B702, RWMA class 10, RWMA class 11, RWMA class 12, GB/T8320-2003 standards.

If you have any interest in our tungsten copper alloy products, please do not hesitated to contact us by email:sales@chinatungsten.com or by telephone:86 592 5129696, we are at your service.

85W15Cu Tungsten Copper Alloy Electrodes

85W15Cu tungsten copper alloy electrode is two-phase structure tungsten alloy, composed mainly of copper, and is a metal matrix composites. Due to the physical properties of copper and tungsten are quite different, therefore tungsten copper can not be produced using the casting method, generally using powder alloy technology to product. Tungsten copper alloy electrode is high purity, high purity tungsten powder and plastic. Composite metal material is good combination of high conductivity copper made of isostatic pressing, sintering temperature, melt refining process. it owns good electrical conductivity, thermal expansion, high temperature softening resistance, high strength, high density, high hardness.

If you have any interest in our tungsten copper alloy products, please do not hesitated to contact us by email:sales@chinatungsten.com or by telephone:86 592 5129696, we are at your service.

Tungsten Copper Contacts

Tungsten copper-based electrical contact material since its advent in 1935 has been widely used for automatic switching and universal circuit breakers, molded case circuit breakers. Electrical contacts are the instrumentation important components of high and low voltage electrical switches,  and it is responsible for the connected and disconnected of the circuit , while responsible for the task of corresponding circuit load current.  Mutual solid solution of tungsten and copper neither nor form an intermetallic compound phase by the two organizations are uniformly mixed monomers "false alloy" (pseudo-alloy). It kept a high temperature, high hardness, low coefficient of expansion of tungsten, while maintaining high electrical conductivity and good thermal conductivity of copper plastic.

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Tungsten Copper Hard Dart Tip

Tungsten Copper Hard Dart Tip  has been used for very long , and it has a variety of different types. Other common standard dart tip darts are embedded in hard metal darts dart barrel. This dart barrel can be made of brass or tungsten or tungsten-copper alloy. The main difference between the two metals is that twice the density of tungsten brass, under the same weight, hard tungsten darts are smaller than the diameter of brass. This means that, with respect to the brass darts, you can more easily be thrown darts three double hard tungsten region.

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