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What is Cleaned Tungsten Wire? 70

Cleaned Tungsten Wire refers to a filament made of tungsten metal. It is widely used in various industrial and scientific fields because of its high melting point (about 3422°C), high strength and good conductivity. The surface of cleaned tungsten wire is generally treated with alkali washing, showing a silver-gray metallic luster, so it is called “white tungsten wire”. 1. The main characteristics of cleaned tungsten wire High melting point: Tungsten is one of the materials with the highest melting point…

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What is Black Tungsten Wire? 42

Black tungsten wire is a filament made of tungsten metal. Usually, the surface is not polished or specially treated, and the graphite emulsion is attached, showing a dark gray or black appearance, hence the name “black tungsten wire”. Tungsten is a high melting point (about 3422°C), high density, corrosion-resistant metal, and is widely used in many fields due to its excellent physical and chemical properties. Black tungsten wire is mainly made by powder metallurgy and wire drawing. Its surface may…

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Application of Tungsten Wire in Automobile Defrosting Glass 52

The high melting point and conductivity of tungsten wire make it an ideal heating element. The application of tungsten wire in automobile defrosting glass is mainly reflected in the electric heating defrosting system, especially in the defrosting function of rearview mirror, rear windshield and part of the front windshield. 1. The Role of Tungsten Wire Tungsten wire is often used as an electric heating element due to its high melting point (about 3422°C), good conductivity and high temperature resistance. In…

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Application of Tungsten Wire in Automobile Defogger Glass 68

The application of tungsten wire in automobile defogger glass is mainly reflected in the defogger heating system of rearview mirror and rear windshield, which achieves rapid heating defoggering through its high resistance and high heat resistance, improving driving safety. 1. The role of tungsten wire in automobile defogger glass: Tungsten wire is used as a heating wire, embedded or printed on the rear windshield of the car, and is used to heat the glass surface to remove fog, frost or…

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Application of High-Density Tungsten Alloy Counterweights in the Shipping Industry 30

Across the vast and boundless ocean, ships and marine engineering structures are like drifting “islands,” constantly facing the challenges of a complex and ever-changing marine environment. The relentless pounding of waves, the fierce blowing of sea winds, the periodic rise and fall of tides, and the continuous impact of ocean currents all place extremely high demands on the stability of marine engineering structures and ships. A slight misstep could cause a ship to lose balance, leading to cargo damage or…

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Ammonium Tungsten Bronze 93

Like sodium tungsten bronze (Na?WO?) and potassium tungsten bronze (K?WO?), ammonium tungsten bronze ((NH?)?WO?) is also a type of tungsten bronze. Although Na?WO?, K?WO?, and (NH?)?WO? share similar crystal structures, such as cubic or tetragonal forms, their physicochemical properties and applications differ slightly due to the varying elements added. In terms of chemical composition, ammonium tungsten bronze is a non-stoichiometric compound composed of tungsten, nitrogen, hydrogen, and oxygen, known in English as ammonium tungsten bronze (ATB), with the chemical formula…

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Tungsten Wire 74

As a typical tungsten product, tungsten wire is a fine filament made by forging and drawing tungsten rods, known in English as tungsten wire, with a tungsten content generally exceeding 99.95%. However, due to the high hardness and brittleness of metallic tungsten, which makes processing difficult, small amounts of potassium oxide, silicon oxide, and aluminum oxide are often added during production. The resulting modified tungsten wire is commonly referred to as doped tungsten wire, 218 tungsten wire, or non-sagging tungsten…

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Cerium-Tungsten Electrode 78

As a typical representative of rare earth tungsten electrodes, the cerium-tungsten electrode is an electrode product with an appropriate amount of cerium oxide added to a tungsten base. It is a non-radioactive, refractory, or non-consumable metal electrode material, serving as the preferred substitute for thorium-tungsten electrodes. Known in English as the cerium tungsten electrode, it features a gray color-coded tip. The cerium oxide content is generally 2%, with electrode diameters ranging from 0.5 mm to 12.0 mm and lengths of…

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Tungsten–Titanium–Cobalt Hard Alloy 72

Based on differences in chemical composition and structural components, common hard alloys can be categorized into steel-bonded hard alloys, tungsten-cobalt alloys, tungsten-titanium-tantalum-cobalt alloys, and Tungsten-Titanium-cobalt alloys, with their physicochemical properties and applications being largely similar. Tungsten-titanium-cobalt hard alloys, also known as YT-class hard alloys, are composed of tungsten carbide (WC), titanium carbide (TiC), and metallic cobalt (Co), with the English name cemented titanium tungsten carbide. Typically, the Co content in the alloy ranges from 4% to 10%, TiC from 5%…

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Lanthanum-Tungsten Electrode 48

Composite tungsten electrode materials can be categorized into thorium-tungsten electrodes, cerium-tungsten electrodes, yttrium-tungsten electrodes, zirconium-tungsten electrodes, and lanthanum-tungsten electrodes, depending on the additives used. Although all these tungsten electrodes are primarily made from the refractory metal tungsten, their physical and chemical properties and applications vary slightly due to differences in modifiers. Taking the lanthanum-tungsten electrode as an example, it is an electrode product with an appropriate amount of lanthanum oxide added to a tungsten base, known in English as the…

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