Tungsten Powder in Electrical Discharge Machining

What is Spherical Tungsten Powder?

Spherical tungsten powder is a type of tungsten which has been specifically made to print 3D. This powder is meticulously made to constitute the model of a spherical for this reason each powder particle being extremely homogeneous and small in proportions, enabling excellent printing results.

What is Tungsten Powder?

Tungsten powder is a kind of powdered metallic tungsten, utilized as a raw material for that preparation of tungsten-processed substances like alloys, tungsten products and. This is a gray-black metal having a metallic Lustre (body-centred cubic crystal). Melting point 3400. Boiling points 5555. The tungsten’s hardness is easily the most hard from the metals. The hardest tungsten rod is 200250 which is the most challenging tungsten rod that has been spun after the spinning hammer spins is 350400. It can be soluble throughout the mix acid of nitric acid and also hydrofluoric acid. It melts in the mixture of sodium hydroxide and carbonate. A little soluble in nitric acid and sulfuric acid and also aqua regia, insoluble in hydrofluoric acid and water. potassium hydroxide. Tungsten has two varieties A and B. At normal temperature and atmospheric pressure, type A is actually a solid cylindrical structure that may be body-centered. Type B tungsten is able to be located in the presence of oxygen. It is actually stable to 630degC, after which transforms into a tungsten at temperatures above 630degC. This treatment is unreversible.

Difference between tungsten powder and spherical tungsten powder

Tungsten powder and tungsten spherical powder are generally powder types of tungsten, nevertheless they have obvious variations in morphology, particle size and application.

Morphology


Tungsten powder is often in granular form, while spherical tungsten powder is a spherical powder after special processing. This spherical shape allows tungsten powder to circulate and fill better in applications including 3D printing, providing more uniform printing results.

Particle Size


While tungsten powders have relatively large particle sizes, spherical tungsten powders have very fine particle sizes, usually in the nanometer range. This fine particle size allows tungsten powder to suit better in the nozzle from the 3D printer, providing finer print details. Concurrently, the fine particles may also be capable to fill paper bed, increasing the density and strength from the printed part.

Applications


Tungsten powder has a variety of applications in lots of fields, such as light manufacturing, electronics, and mechanical parts. In these applications, tungsten powder is normally used as a filler or alloying element. Spherical tungsten powder, about the other hand, is extremely ideal for areas such as 3D printing, where it can do creating more complex, high-precision parts and devices due to the excellent flowability, filling effect and printability.

How will you prepare tungsten powder?

It really is manufactured by the hydrocarbon reduction on tungsten trioxide, or ammonium paratungstate. The process of making the tungsten powder through hydrogen reduction may be divided into two phases one stage within the first stage, at temperatures of 500-700degC, tungsten oxide is reduced to tungsten oxide; from the second phase, at 700-900°C at which point tungsten dioxide will likely be reduced on the tungsten powder. The reduction reaction is usually performed by the sort of a tube or rotary furnace.

The efficiency of tungsten reduced powder (including quality and also particle size, composition, size, etc.) mostly depends inside the means of reduction. In the process of reducing tungsten inside an oven tube, the primary factors affecting the velocity of reduction are temperatures of reduction, quantity of tungsten oxide in the burner vessel and also the speed of motion how the vessel is within, and also the rate of flow of hydrogen, and the level of moisture in hydrogen. Since the temperatures of reduction, dimensions of tungsten powder gets more coarse.

Manufacturing of tungsten powder along with the way of hydrogen reduction, additionally there is a tungsten oxide carbon reduction methods employed initially The reduction temperature is greater than 1050 degrees Celsius . The purity from the tungsten oxide powder that may be produced applying this method is poor. Furthermore, with the use of calcium, aluminum zinc, as well as other reduction processes of tungsten oxide research is currently underway. For specific applications that need ultra-fine, ultrapure particle measurements of tungsten powder the development of the tungsten chloride hydrogen reduction process The tungsten powder particle size is less than .05mm.

Industrial production can be accomplished throughout the lowering of tungsten trioxide by hydrogen, or ammonium partungstate is cured with acid and after that tungsten trioxide can be done by maturation decomposition then reduced using hydrogen.

Hydrogen reduction using tungsten trioxide hydrogen reduction can be achieved in two steps The first stage is when tungsten trioxide heating to 550-800 , using hydrogen reduction. The next stage of reduction takes place between 650 and 850 the tungsten powder is completed.

Also, it is actually easy to reduce ammonium paratungstate into blue tungsten oxide (blue tungsten) initially by hydrogen, or, or even by hydrogen then reduce it straight back to tungsten by hydrogen. The size and content of your tungsten powder are an important quality indicator of the tungsten powder. The reduction process is conducted through a tube or perhaps the rotary furnace.

Spherical tungsten powder offers the following advantages:

Spherical shape: The spherical shape allows the tungsten powder to higher fill the print bed through the printing process, providing an even more uniform print result. In comparison with traditional granular tungsten powder, spherical tungsten powder can better conform to the 3D printing head and supply a smoother printing process.

Fine particle size: The fine particle size allows the tungsten powder to higher fit into the nozzle in the 3D printer, providing finer print details. The fine particles also fill the print bed better, increasing the density and strength of the printed part.

Uniform particle distribution: Uniform particle distribution reduces clogging and defects in the printing process and improves print success. In traditional granular tungsten powders, the particle distribution is usually not uniform enough, which can cause clogging or defects during the printing process. The uniform particle distribution of spherical tungsten powder can effectively solve this problem.

High purity: High-purity tungsten powder offers better print performance and better print quality. In many applications, it really is required to use high-purity material for printing to be sure the quality and gratifaction of parts.

Spherical Tungsten Powder Application Areas

Spherical tungsten powder has an array of applications, including but not confined to the subsequent areas:

Aerospace: Spherical tungsten powder may be used to manufacture high-performance parts such as aircraft structural components and engine parts. Over these applications, the high strength, high density and high purity characteristics of tungsten powder can offer better printing performance and quality.

Automotive industry: Spherical tungsten is utilized for the production of parts for automobiles, including chassis parts, engine components along with other parts. The strong durability and effectiveness against temperature of tungsten powder will enhance printing quality and satisfaction.

Medical field: Spherical tungsten enables you to create medical devices like dental implants, surgical instruments and others. The top biocompatibility and also the high strength of tungsten powder could enhance print quality and printing performance.

Architecture: Spherical tungsten powder may be used to manufacture architectural models and components. The top strength and wear-resistant properties of tungsten powder offers better printing performance and quality.

Electronics: Spherical tungsten powder may be used to manufacture electronics, including semiconductor devices, circuit boards and so on. Our prime thermal and electrical conductivity of tungsten powder provides better printing performance and quality.

It needs to be noted that using spherical tungsten powder for 3D printing needs a certain degree of skill and experience. In case you are a newcomer, it is recommended to practice with a few more accessible 3D printing materials first. Concurrently, using tungsten powder for 3D printing also requires special awareness of safety, as tungsten can be a high-density metal that may easily cause problems for the human body. When performing so, make sure you stick to the relevant safety regulations and operating procedures.

Spherical Tungsten Powder Supplier

TRUNNANO is a reliable concrete additives supplier with over 12-year experience in nano-building energy conservation and nanotechnology development.
If you are looking for high-quality Spherical Tungsten Powder,please feel free to contact us and send an inquiry. We accept payment via Credit Card, T/T, West Union, and Paypal. TRUNNANO will ship the goods to customers overseas through FedEx, DHL, by air, or by sea.