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The Powder Metallurgy Technology for Tungsten Crucible 4

Tungsten is widely used in industrial scenarios such as high-temperature metallurgy, crystal growth, and vacuum smelting due to its ultra-high melting point, excellent high-temperature resistance and chemical stability. Especially in the preparation of molybdenum, titanium, rare earth and other active metal materials, tungsten crucible has become an ideal container material because it is not easy to react with the melt and can withstand extreme thermal stress. At present, W crucibles are mainly prepared by powder metallurgy method, which can not…

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Failure Analysis of Tungsten Crucible in High-Temperature Experiments 6

Due to its extremely high melting point, excellent high-temperature mechanical properties and good chemical stability, tungsten crucible is widely used in high-temperature experiments in aerospace, metallurgy, materials science and other fields, especially in crystal growth, metal smelting and rare element extraction, etc., which plays a key role. However, in the actual use process, tungsten crucibles are not “indestructible”, and will still fail in different forms due to a variety of complex factors. First, thermal fatigue cracking is one of the…

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What Are the Surface Treatment Technologies of Tungsten Crucibles? 5

As a metal with a high melting point, tungsten is widely used in high-temperature smelting, single crystal growth, vacuum evaporation and other industrial fields due to its excellent thermal stability, corrosion resistance and high strength. As an important vessel carrying high-temperature materials, the surface condition of tungsten crucible has a direct impact on service life, product purity and operation efficiency. Therefore, the surface treatment technologies for W crucibles have attracted extensive attention in recent years, and a variety of targeted…

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What Is the Wear Resistance of Tungsten Crucible? 5

Tungsten crucibles play an important role in high-temperature metallurgy, crystal growth, vacuum smelting and other fields, and have long been known for their excellent high temperature resistance and good chemical stability. However, with the increasing complexity of the application environment, more and more users have begun to pay attention to its wear resistance. Abrasion resistance, as an index to measure the ability of materials to resist surface damage under mechanical actions such as friction, impact, and grinding, is a performance…

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Tungsten-Nickel-Copper Alloy 27

In the vast field of materials science, tungsten-nickel-copper alloy (W-Ni-Cu) shines like a brilliant star, exuding unique charm. As a high-performance material with tungsten as the matrix and alloying elements such as nickel and copper, it is known as the “versatile player” in the industrial field, playing an indispensable role in many key industries. From the high-tech aerospace sector to the manufacturing of daily electronic devices, its presence is ubiquitous. Let us now delve into the wonderful world of tungsten-nickel-copper…

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Tungsten-Nickel-Iron Alloy 22

Tungsten-nickel-iron alloy is an important tungsten-based high-density alloy. By definition, it is an alloy composed of adding nickel and iron to metallic tungsten, with the nickel-iron ratio typically maintained at 7:3 or 1:1. With excellent comprehensive properties, this type of alloy is widely applied and has become the main category of tungsten-based alloys with large usage at present. In tungsten-nickel-iron alloy, the tungsten content generally ranges from 90% to 98%, making tungsten the matrix of the alloy and playing a…

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Thermal Stability of Tungsten Wire in Heating Glass Equipment 24

Tungsten wire exhibits excellent thermal stability in heating glass equipment due to its ultra-high melting point, low vapor pressure, excellent high temperature strength, good creep resistance (especially non-drooping tungsten wire) and low thermal expansion coefficient, making it an ideal choice for high temperature heating elements. 1. High Melting Point Tungsten has the highest melting point of all metal elements, reaching an astonishing 3422°C. This allows tungsten wire to remain solid in an environment far higher than the melting temperature of…

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Application of Tungsten Wire in Glass Industry 16

Tungsten wire has the characteristics of high melting point, good mechanical strength, corrosion resistance and low thermal expansion coefficient, and has extensive and important applications in glass industry. 1. Electrode material in glass melting process In glass industry, tungsten wire is often used as electrode material in electric melting furnace. Electric melting furnace melts glass raw materials into liquid glass by electrode heating, and the high melting point and high temperature resistance of tungsten wire enable it to withstand the…

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The Role of High Temperature Resistant Tungsten Wire in Glass Forming 12

High temperature resistant tungsten wire plays a vital role in the glass forming process. Its unique performance is closely combined with process requirements, which significantly improves the quality and production efficiency of glass products. I. Characteristics of High Temperature Resistant Tungsten Wire 1. Extreme High Temperature Tolerance Tungsten has a melting point of up to 3410°C, making it one of the metals with the highest melting point in nature. This feature enables it to maintain structural stability during glass melting…

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Application Scenarios of Tungsten Wire in Smart Glass 6

Tungsten wire, with its unique physical and chemical properties, has shown significant technical advantages and rich application scenarios in the field of smart glass, such as playing an important role in the realization of intelligent dimming, defrosting and defogging, energy management and other functions in the automotive, construction, electronics and other industries. I. Core Competitiveness of Tungsten Wire 1. Extreme Temperature Adaptability The melting point of tungsten is as high as 3422℃, far exceeding nickel-chromium alloy (about 1455℃), and can…

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