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Metal Tungsten May Be Used As A Raw Material For 3D Printing

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Tungsten powder metal tungsten is the raw material for preparing tungsten processed materials, tungsten alloys, and tungsten products. It’s a grayish black metal with metallic luster. Melting point 3400. Boiling temperature 5555 The hardest metal, tungsten, is hard. The hardness of sintered bars of tungsten is between 200 and 250, and the hardness of rods of tungsten after using a rotary tool is between 350 to 400.

In nitric acid or hydrofluoric acids, mix the acid. Combine sodium hydroxide with sodium carbonate to melt. It’s slightly insoluble in hydrofluoric and sulfuric acids, aqua regia, and nitric. There are two types of tungsten: type A and type B. Type A is a cubic-shaped stable structure at normal temperature and pressure. Only oxygen can make B-type tungsten. It’s stable to below 630 and can be converted to tungsten by above 630.

There are specific guidelines for controlling the impurity level of tungsten dust. However, it is important to control the oxygen levels within a certain range. Fischer’s two-to-10mm average particle size is used for most tungsten powder. Polygonal particles are the tungsten dust. There are also differences in the specific surface, bulk and tap density. Producing tungsten material depends on how well tungsten powder performs. More important is the impact of purity and particle sizes on tungsten powder-metallurgy products. Tungsten powder’s virtue and size are classified and used for different purposes.

Cemented carbide is made from most of the tungsten, as well as Ferro-tungsten. Tungsten is made from chromium molybdenum and cobalt, which are all heat-resistant and wear resistant alloys. Tintalum, tantalum, molybdenum and other refractory alloys include tungsten and tantalum. Tungsten copper, and tungsten aluminum alloys are electrical contact materials. High-density tungsten-nickel-copper alloy is used as a shield against radiation.

Metal tungsten wires, rods, sheets, etc. They are used in the manufacture of light bulbs, electron tubes and electrodes for welding. Tin can also be used to make porosity filters from tungsten powder. FW-1 is used for large slabs of tungsten rhenium and couplers. FW-2 is for high-specific gravity shielding and contact alloy raw materials. FWP-1 is for plasma spraying.

For processing powdered metallurgy of tungsten products or tungsten alloys, tungsten powder is used as the main raw material. The pure tungsten can also be used to make wires or tubes. you can make certain shapes. To make tungsten alloys, you can mix tungsten with different metal powders like tungstenmolybdenum, tungstenrhenium, tungsten–copper, and high-density. The tungsten-molybdenum alloy can also be used to produce tungsten carbide and to create cemented carbide tools like turning tools and drill bits.

Tungsten can be described as a strong, compact metal. Because of its excellent resistance to corrosion, Tungsten is widely used in many industries such as chemical manufacturing. Unfortunately, 3D printing has been hindered by its hardness and melting point. This problem has been challenged by a team of researchers who published a paper titled “The Influence Of Processing Parameters In The Laser Powder Bed Fusion Process on Densification, Microstructure, and Crystal Structure Pure Tungsten.”

According to the researchers, “We used laser powder bed manufacturing processes to produce refractory materials such as pure white tungsten. It was possible to create high-density parts using a new process. The effects of laser energy density were also studied. Researchers used optical microscopy (XCT), SEM, and EBSD to evaluate the quality of the process. Results show that the laser can transform tungsten material into useful functional parts.

Based on process conditions, the volume densities of tungsten can vary from 94%-98%. But, due to the presence micro and macro residual stresses the parts will still have defects, such as micro cracks.

Continued the research by The Researchers: “The analysis of the crystal structure and microstructure show that the melting groove created under the laser beam has been cured with the epitaxial grow mechanism in order to achieve the optimal orientation.” The texture analysis of EBSD shows that tungsten is //Z parallel to the direction it was constructed.

These two types of tungsten samples have been produced using 3D printing. The scan electron microscope was used to analyze them. The parts have natural cracking issues, but the researchers concluded that 3D-printed samples will be a big help in areas such as nuclear imaging and medical radiation protection. It could also be possible to make tungsten parts that are extremely dense using laser powder bedfusion technology.

They also said that the micro-, macro-, and local texture results showed the columnar grain structure created by epitaxial growth mechanisms. These are consistent with performance for pure metals. This sample can be used to generate laser energy of 348 J/mm3. It shows strong //Z fibre structure. The melting tank’s shape, high thermal conductivity and low surface tension of tungsten may explain this phenomenon. “What caused this phenomenon?”

3D printing is a new way to use tungsten material. This allows for parts that are precise and complex. Some of the 3D printed tungsten materials have been commercialized by other researchers. The advantages of tungsten have been despite the difficulties. Many experts also are keen to learn more about its heat resistance.

Luoyang Tech Co. Ltd. (a Tungsten Carbide specialist) has over 12 years’ experience in developing chemical products. We can provide high quality TungstenCarbide. Please contact us and send an inquiry.

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