Tungsten alloy has a very broad application prospects, performance greatly improved

Tungsten alloys have good high-temperature strength, hardness, conductivity and corrosion resistance, and therefore have broad application prospects in the electric processing. high density Tungsten alloy Balls manufacture a wide range of electrical equipment, such as: electric upsetting anvil material, electric riveting the rivet material, EDM electrode materials, welding materials, high-voltage switch electrical contact materials.
In machinery, instrumentation manufacturing balancing element is used, such as the installation of tungsten alloy rod on the oil rig weights can greatly increase the degree of vertical drilling, improve the efficiency of oil drilling depth. High temperature properties of tungsten alloy die casting industry so that it can serve as a good mold material.
Because tungsten alloy X-ray attenuation of competence, and is used as an ideal material for a variety of radioactive source shielding element or container. Used to do in the medical radiation shielding material and γ-ray knife.
In sports, the Tungsten alloy radiation shielding materials racing car's performance can be greatly improved. Golf and tennis are bordered edge tungsten alloy counterweight, can have a stronger ability to attack racket; heavy arrows in the game, when the arrow tungsten alloy, can greatly improve the hit rate of the heavy arrows.
Because of similar density tungsten alloy and gold density, so at the souvenir and jewelry industry are used to make rings, necklaces and coins and the like. Electronic communications industry used to do BP machines, mobile phones transducer material. In addition, it is widely used in the fishing industry and fishing sinkers and manufacturing.

Tungsten alloy car What are the characteristics

Heavy alloy Tungsten alloy Balance Weight) material is a kind of matrix of Tungsten Nickel Copper Alloys (W content of 85-99%), and added with Ni, Cu, Co, Mo, Cr and other elements of the alloy. Press alloy composition characteristics and uses are divided into W-Ni-Fe, W-Ni-Cu, W-Co, W-WC-Cu, W-Ag and other major series, having a density of up to 16 .5-19.0g / cm3, and is the world known high proportion alloy, it has a series of excellent properties, than the major: general proportion of high 16.5-18.75g / cm3 ,, strength: tensile strength of 700-1000Mpa, a strong ability to absorb radiation: its capacity than Lead 30-40%, the thermal conductivity coefficient: 5-fold mold steel; thermal expansion coefficient is small: Only iron or 1 / 2-1 / 3, good conductive properties of steel; has good weldability and formability ʱ?? Given the high proportion alloy has the above excellent features, it is widely used in aerospace, aviation, military, oil drilling, electrical instrumentation, medical and other industries.

What is tungsten alloy crank?

Crank, is part of an engine, it is converted into a linear reciprocating motion of the piston to rotate.
Crankshaft how to run?
A piston rod connected to the crankshaft and the bearing, when the piston moves up and down, crank operation, rod and bearing a circular motion, then began to spin the crankshaft.
Advantages of tungsten alloy square bar
In the engine, it is necessary to keep the use of the counterweight reciprocates each piston connecting rod and balance, and these are usually as part of the crankshaft. Lead is cheap, but lower than the density of high density Tungsten alloy Balls, and not environmental protection, but for steel, tungsten alloy density is more than twice that, so compared with other materials, because of the following characteristics, Tungsten based heavy metal alloys is certainly the most suitable material:
* Small size, density
* High hardness
* High wear
* Anti-corrosion and strong
* Against strong
* High melting point
* High temperature
* Environmental

Tungsten alloy used in oil drilling

Because oil drilling deeper into the formation always need better, so good formation characteristics derived, high-performance drilling equipment is very important and must weight and strong enough, in order to better balance too much upward resistance and enhance the downward momentum ʱ?? In fact, it must act as a counterweight of the entire apparatus.
tungsten alloy round bar is the best material for the manufacture of drilling equipment. The device must be heavy enough to enter barite mud, and hard to in this harsh environment, sufficient to resist the water pressure. Most designs are highly machined sensor requirements and positioning. Mechanical properties are large parts of the operation of these play a key role.
Due to the high density Tungsten Round Plates 18.5g / cm3, hardness up to 36 HRC, wear resistance, impact resistance, and durability make Tungsten Alloy Radiation Protection become a drill ground, the best material for oil and gas equipment. Here special mechanical properties has exceeded a lot of big parts.

Tungsten based heavy metal alloys

Tungsten heavy alloys are mainly used in aerospace gyroscope rotor counterweight, shock absorbers; conventional weapons, armor-piercing bomb core; radiation protection shielding devices and components; machinery used die casting, flywheel and automatic watches pendulum, etc. ; electrical equipment contacts and electrodes.

Tungsten alloy Cubes

Tungsten alloy block is a block of tungsten alloy products, with high density, compressive strength is good, oxidation resistance, good electrical conductivity, thermal conductivity and corrosion resistance and high density (density at 16 g / cm3 to 18.5g / cm3 ), much higher than nickel, titanium, lead. Tungsten alloy block there is good tensile strength, thermal expansion coefficient and a large elastic coefficient. In the military used to do piercing penetrator weight filler material and a variety of other pieces.

Tungsten alloy plating

Tungsten alloy radiation shielding reason why performance is so superior is because tungsten alloy plating resulting coating is a new alloy, plated amorphous structure, after different heat treatment process can be transformed into an amorphous or nanocrystalline mixed nanocrystalline structure, by the State authority, the alloy has good abrasion resistance, good acid, alkali, salt spray resistance, and excellent high temperature oxidation resistance, and the base material has good adhesion.

Tungsten alloy Category

According to different uses, tungsten carbide alloys are divided, heavy metal, metal sweating materials, contact materials, electronic and electric light materials.

Tungsten alloy ball & cube

Tungsten alloy ball is tungsten alloy products used in the counterweight or destruction components, in the field of tungsten alloy is called the minimum high-density ball, which means that it can be applied in many areas, such as small and high-density areas, such as golf clubs ball, fishing counterweight, counterweight and so on military defense.

refractory metals tungsten

Tungsten is the most refractory metal. Tungsten also inherited this excellent feature tungsten. To do with ordinary carbon steel tools, heated to above 250 ℃ will soften naturally also can not cut metal up. However, tungsten steel lathe done at temperatures up to 1000 ℃, still hard as before.

Tungsten based heavy metal alloy

Tungsten heavy alloys based on tungsten base material, an alloy of nickel, iron, copper or other metal elements consisting, also known as high-density tungsten alloy. Tungsten content is generally 90% to 98%, the relative density of the alloy ≥17.Tungsten heavy alloys while maintaining the high density tungsten, high strength and good thermal conductivity properties, but also reduces the preparation temperature, simplifying the preparation process, and improved plasticity and working properties of the alloy, become easier to manufacture than pure tungsten take and have better mechanical properties of engineering materials.

Tungsten alloy Counterweight

Tungsten alloy vividly is called 3 high-alloy, namely: high density, high strength, high hardness alloys, therefore an important use of heavy alloy counterweight is the most widely used. Tungsten alloy counterweight are widely used: machinery counterweight, Flyweight; aggravated industries such as oil drilling rod; pendulum clocks; shockproof Arbor, counterweight balls and other mobile phones, game consoles such as the use of vibrator; sailing, sailing ballast weights, weight parts and the like; aerospace use gyroscopes, aircraft counterweight and so on.

Tungsten alloys

Tungsten alloy shield has a strong γ-ray linear attenuation, which means that under the same shielding ability, the volume of #tungsten alloy shield smaller and thinner.

Tungsten alloy radiation shielding materials

Tungsten alloy radiation shield is made of flexible heat shield immersed in radiation shielding device tungsten iron metal powder made of silicone polymer. With damage to the environment, radiation hazards to human gradually strengthened. Thus radiation means has gradually been valued by the people. As a tungsten radiation shielding material began to be widely used.

Tungsten carbide

Tungsten Carbide is a compound of tungsten and carbon. Black hexagonal, with a metallic luster, hardness close to diamond, electricity, good heat conductor. Tungsten is insoluble in water, hydrochloric acid and sulfuric acid, nitric acid soluble - a mixed acid of hydrofluoric acid. Pure tungsten carbide is fragile, if the incorporation of a small amount of titanium, cobalt and other metals, can be reduced brittleness. Tungsten steel cutting tools used, often by adding titanium carbide, tantalum or mixtures thereof, in order to improve the anti-knock capacity. Stable chemical properties of tungsten carbide, cemented carbide is widely used in the production of the material.

Processing characteristics of tungsten

In metals, tungsten metal has the highest melting point, high temperature strength, creep resistance and thermal conductivity, good electrical conductivity and electron emission properties of Tungsten melting point,heavy, hard and brittle, difficult process, but as long as there is a reasonable process, tungsten can be made by powder metallurgy billet, extrusion, forging, rolling, spinning and drawing, and other processing timber. As the plastic processing tungsten improvement in the level of their organization, tensile strength and ductility - brittle transition temperature is greatly improved.

The features of high density tungsten alloy

Tungsten heavy alloy for counter balance with a series of excellent characteristics, than the major: general proportion of high 16.5-18.75g / cm3 ,, strength: tensile strength of 700-1000Mpa, absorb radiation and strong: its capacity 30-40% higher than lead thermal conductivity coefficient: 5-fold die steel; thermal expansion coefficient: Only iron or 1 / 2-1 / 3, good conductive properties of steel; Tungsten alloys has good weldability and formability. Given the high proportion alloy has the above excellent features, it is widely used in the aerospace, aviation, military, oil drilling, electrical instrumentation, medical and other industries.

Tungsten heavy alloy properties

Tungsten alloy Counterweight is a class of 80-98% distributed in the matrix Ni-Fe-W solid solution of two-phase composite. A combination of Tungsten high-density, high strength and good ductility matrix phase, therefore, it has a good plasticity, good-ray absorption capacity, good corrosion resistance and high temperature oxidation resistance, good machining properties, good electrical conductivity, thermal conductivity and low thermal expansion coefficient, good weldability and surface electroplating, and a series of excellent physical, chemical and mechanical properties.

Tungsten heavy alloy

Tungsten heavy alloy (referred WHA) products are usually made WNiFe or WNiCu or WNiCuFe manufactured by powder metallurgy production process. Depending on the product use and working environment requirements, High density Tungsten alloy products are usually distributed tungsten content of 79% W ~ 97% W, a density in the range of 15.00g / cm ~ 18.50g / cm. While adding some rare elements (Co, Mo, Cr, etc.) in order to improve the performance of the product portion, such as: hardness, ultimate tensile strength, yield strength, elongation and the like.

Defined of tungsten alloy

Tungsten alloy is tungsten-based alloys by adding other elements. In metals, the highest, high temperature strength and creep resistance and thermal conductivity, electrical conductivity and electron emission properties of tungsten melting point are good, than the major, in addition to a large number of alloys used in the manufacture of carbide and as additives, tungsten and Tungsten alloys are widely used electronic, electric light industry, but also aerospace, casting, weaponry and other sectors for the production of rocket nozzles, casting molds,penetrator, contacts, heating element and a heat shield and so on.

What should be noted tungsten material

Tungsten alloy metals in the interstitial impurities, microstructure and alloying elements, as well as plastic processing and surface condition of the tungsten material plastic - brittle transition temperature has a significant impact. In addition to rhenium tungsten material can significantly reduce plastic - brittle transition temperature, the other alloying elements on the lower ductility - brittle transition temperatures with little success. Poor oxidation resistance of tungsten oxide and molybdenum similar characteristics, will take place at more than 1000 ℃ tungsten trioxide volatile, have a "disastrous" oxidation. Must be protected in a vacuum or under an inert atmosphere, if used in high temperature oxidizing atmosphere, you must add a protective coating high temperature Tungsten alloys material.

Improve ways to enhance tungsten materials

Tungsten alloy materials use of high temperature materials, simple method to increase the use of solid-solution strengthening effect is not high temperature strength of tungsten. However, on the basis of solid-solution strengthening further dispersion (or precipitation) hardening, can greatly improve the high temperature strength to ThO2 and precipitation particle dispersion strengthening effect HfC best. In about 1900 ℃ W-Hf-C series and W-ThO2 alloys have high temperature strength and creep strength. In the recrystallization temperature of Tungsten alloys used below, take temperature hardening methods to produce strain hardening is an effective way of strengthening. Such as fine tungsten wire with high tensile strength, total processing deformation rate of 99.999%, a fine tungsten wire having a diameter of 0.015 mm, tensile strength at room temperature up to 438 kg / mm.

Research and development of tungsten products

Tungsten was first used to produce incandescent filament, not pendulous tungsten filament and cathode materials are excellent extensive use. In order to make Tungsten alloy materials is used as high-temperature components used in the aerospace industry. Tungsten smelting and processing forming technology also carried out the research, the use of consumable arc and electron beam melting tungsten ingot obtained and made by extrusion and plastic processing certain products; but the melting of the ingot coarse grains, plastic poor , processing difficulties, finished product rate, thus melting - plastic processing failed to become a major means of production. In addition to chemical vapor deposition (CVD method) and plasma spraying can produce very few products, powder metallurgy is still the primary means of manufacturing tungsten metals products.

Tungsten and molybdenum alloy

Consisting of tungsten and molybdenum alloys. Commonly used tungsten and molybdenum alloy of tungsten content of 30% to 50% (by mass). Preparation method of tungsten and molybdenum and molybdenum metals alloy having the same material is, after sintering powder metallurgy processing and smelting and processing of two ways, can be prepared from rods, plates, wires or other profiles. Tungsten and molybdenum alloy containing tungsten 30% (by mass) has excellent resistance to the corrosive effect of liquid zinc, zinc industry for the manufacture of a stirrer, a pipe and container linings and other components. Tungsten and molybdenum alloy due to high temperature strength, performance and tungsten similar but smaller than the proportion of Tungsten alloy materials, so can be used under high temperature conditions corresponding rockets, missiles in the high temperature components, tube filament, parts and other high-temperature materials.