Tungsten News

Tungsten News
Black Tungsten Wire Is Used in Electronics, Aerospace, and Medical Fields 145

Black tungsten wire is a type of tungsten wire that has been coated with a black oxide to enhance its corrosion resistance and provide a sleek, black appearance. Tungsten is a dense, metallic element with a high melting point, making it an ideal material for high-temperature applications, such as heating elements and electrical conductors. In the production of this wire, the tungsten is first cleaned and then heated in an oxygen-rich atmosphere, causing a black oxide layer to form on…

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Tungsten News
Why Cleaned Tungsten Wire Can Be Used in Medical Field? 154

Cleaned tungsten wire refers to tungsten wire that has been treated to remove impurities and surface contaminants, resulting in a purer and more homogeneous wire. This type of tungsten wire is often used in high-temperature and high-performance applications, such as electrical discharge machining (EDM) and electron beam welding. The cleaning process can involve various methods, such as chemical etching, mechanical polishing, or high-temperature oxidation, depending on the desired level of purity and surface finish. Cleaned wire typically has improved electrical…

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Tungsten News
Molybdenum Foil for Vacuum Technology and High-temperature Applications 151

Molybdenum foil is a thin sheet of molybdenum metal, typically used for high-temperature applications, radiation shielding, and electrical conductivity. The regular thickness of this metal foil can vary, depending on the specific application. It is typically available in thicknesses ranging from 0.001 inches (0.025 mm) to 0.005 inches (0.127 mm). The exact thickness depends on the requirements of the application and the manufacturer’s specifications. For example, thinner foils may be used for applications where high electrical conductivity is required, while…

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Tungsten News
TZM Alloy Rings Can Be Used as Support Prototypes 132

TZM (Titanium-Zirconium-Molybdenum) is an alloy made of Titanium (Ti), Zirconium (Zr), and Molybdenum (Mo). It is known for its high strength, high temperature resistance, low thermal expansion, and excellent creep resistance. These properties make it a popular material for use in high temperature and high stress applications, such as furnace linings, aerospace components, and mechanical seals. The alloy is also known for its low density, good thermal conductivity, and high dimensional stability. TZM alloy is used in various high temperature…

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Tungsten News
New Production Method for Diamond Wire Saw 138

Diamond wire saw, also known as diamond wire, refers to a cutting wire that fixes diamond abrasives on metal wires by electroplating or resin bonding. It is mainly used to cut high-hard and brittle materials such as single crystal silicon, polycrystalline silicon, sapphire, magnetic materials, and hard alloys, etc. Compared with free abrasive wire saws, it has the advantages of higher processing efficiency, lower energy consumption, and better cutting quality; compared with circular saws and band saws, it can not…

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Tungsten News
How Does Tungsten Needle to Obtain a Precise Tip Radius? 163

Tungsten needle is a kind of tungsten rod with sharp ends. Usually, it is made of high-density tungsten metal so that it can be widely used in many fields. For its production, it adopts powder metallurgy, but this method is not enough when very sharp tips are required. As one of the core components of the field emission electron microscope, the performance of the field emission electron source determines the main electron optical performance param， ，eters in the field emission…

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Summary of Uses of Molybdenum Disulfide (MoS2) 172

Molybdenum disulfide (MoS2) is a two-dimensional layered material composed of two chemical elements, molybdenum and sulfur, with excellent optical, electrical, magnetic, mechanical and thermal properties. It is widely used in energy storage, catalysis, semiconductor, lubrication and other fields. Its main uses are as follows: 1. As an additive for solid lubricants: MoS2 powder is known as “king of solid lubrication”, the friction coefficient is between 0.05 and 0.09, and has the advantages of good dispersion, non-sticking and anti-oxidation, etc. It…

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Tungsten News
How to Produce High-precision Tungsten Foil? 139

Heat shields, heating elements and vacuum furnace supports are made of tungsten foil. The foil is thin and is ideal for embedding in laminates, other metals and glass; it is made of mental tungsten and can be used in high temperature vacuum furnaces, coatings, electronic and semiconductor components. How to produce the thin foil? Compared with the coating deposition method, the rolling method is more suitable for the production of tungsten foil, mainly due to the advantages of higher hardness,…

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Tungsten News
Molybdenum Disulfide Coating Is Used in Automobiles and Plastics Fields 172

Molybdenum disulfide coating, also known as MoS2 solid lubricating film, is a solid film formed by MoS2 powder and organic binders such as epoxy resin or inorganic binders such as sodium silicate, and then sprayed or brushed on the workpiece. It has good lubricating properties and is widely used in the fields of automobiles, mechanical equipment, and plastics. From the point of view of performance, the friction coefficient of MoS2 coating is low (dynamic friction coefficient is 0.03, static friction…

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Tungsten News
Why Use MoSi2 Heating Elements in High Temperature Furnaces? 172

Molybdenum disilicide heating element is a heating element based on molybdenum disilicide (MoSi2), which has excellent characteristics such as high temperature resistance, corrosion resistance, good air tightness, thermal shock resistance, and long service life. It is usually used in the ceramics, glass, metallurgy, magnetic materials, refractory materials, and other industrial high temperature furnaces. Compared with traditional heating elements, the specific advantages of MoSi2 heating elements are as follows: 1) The operating temperature is high. In an air environment, the operating…

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