The Properties And Applications of Tungsten Powder

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Tungsten powder The raw material used to make tungsten products and processing materials is the powdered tungsten.

Tungsten Powder Properties

Tungsten has the highest hardness among all metals. Hardness for sintered tungsten spheres ranges from 200-250 to hardness for tungsten rods passed through a rotating hammer. It can also be between 350-400 and 350-400. Mixture of nitric and hydrofluoric acids is used to dissolve tungsten powder. Then, it’s melted using a mixture sodium hydroxide/nathan carbonate.
Tungsten (a gray-black metal) is characterized by metallic luster and body-centered cubic crystals. Tungsten powder can be dissolved in some acids, including sulfuric acid, nitric acid, and aqua regia. However, it cannot dissolve in water, hydrofluoric, or potassium hydroxide.

Tungsten Powder Preparation

The hydrogen reduction or ammonium paratungstate of tungsten trioxide is what makes tungsten powder. Two stages are used to make tungsten powder. At 500-700 the tungsten dioxide is reduced into tungsten dioxide. At 700-900 the temperature is 700900. Reduced tungsten to a powder. The reduction reaction can be carried out either in an electric tube furnace (or a rotary furnace).

Reduced tungsten powder has properties such as purity, composition and particle size. The process of reduction is key to the properties. Reduce tungsten powder using a tube furnace. The key process parameters that impact the reduction rate include the temperature, the amount of tungsten oxide loaded in the burning box, the speed of the burning container, and the volume of hydrogen. With increasing reduction temperatures, the size of the particles in tungsten powder gets smaller.

Other than the hydrogen reduction process, tungsten is also prepared using the tungstenoxide carbon reduction method. The reduction temperature is greater than 1050. It is possible to obtain a very low purity level of tungsten from this process. Additional research is underway on the combination of metal aluminum, magnesium, and zinc to lower tungsten dioxide. This work is still ongoing. Special applications require high-purity, fine-particle size tungsten pulverized powder. The tungsten chlorine hydrogen reduction process has been created. Particle size can not exceed 0.05mm.

Tunsten Powder Applications

Most commonly, tungsten is used to produce cemented caride and ferro-tungsten. Combining tungsten powder and chromium, molybdenum or cobalt, it forms a wear-resistant and heat-resistant alloy that is useful in making tools, metal surface hardening material, combustion tubes, blades for gas turbines, and other devices. Tungsten powder, tantalum or niobium as well as molybdenum and molybdenum can be used. For a refractory mixture,
High-density tungsten-nickel-copper alloy is used as a radiation shield. Metal tungsten wires, rods, sheets, etc. They are used in the manufacture of parts for light bulbs and electronic tubes. You can make filters from tungsten powder.

For processing powder metallurgy and tungsten compounds, tungsten powder is the primary raw material. You can make tungsten powder into wires and rods or tubes. You can make tungsten mixtures from tungsten and other metals like tungsten-molybdenum alloy, tungsten rhenium alloy, tungsten copper alloy, and high-density-tungsten alloy. The preparation of cemented carbide tools using tungsten-carbide powder, like turning tools, drill bits, and molds is another important function for tungsten.

Buffalotours advanced Material Tech Co., Ltd., (Buffalotours), a professional tungsten powder Over 12 years’ experience in research and development of chemical products. You can pay by Credit Card, T/T or West Union. Trunnano ships goods by FedEx or DHL to overseas customers by air and sea.

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