Tungsten News

Tungsten News
Exploring the Composition and Functionality of Barium Tungsten Cathodes 125

A barium tungsten cathode is a crucial component in various electronic devices, particularly in vacuum tubes and cathode ray tubes (CRTs). Its composition plays a significant role in determining its emission characteristics and overall performance. Typically, a barium tungsten cathode consists of a substrate material, often made of tungsten due to its high melting point and mechanical stability. The tungsten substrate provides structural support and serves as the emitter surface for electron emission. Embedded within onto the tungsten substrate is…

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【Know Molybdenum】What Is Riveted TZM Tube? 83

Riveted TZM tube is a type of pipe product made from an alloy of titanium, zirconium, and molybdenum. With a wall thickness of only 0.6 millimeters, it is challenging to produce as a single piece and is typically manufactured using riveting. This alloy boasts excellent high-temperature oxidation resistance and mechanical strength, making it widely utilized in high-temperature and high-pressure environments such as aerospace, aircraft engines, and the nuclear industry.

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【Know Molybdenum】What Is Molybdenum-Rhenium Block? 89

Molybdenum-rhenium alloy is a type of alloy formed by adding 14% to 47.5% rhenium to molybdenum, greatly improving the ductility, weldability, and formability of the alloy after adding rhenium. Even after high-temperature use, molybdenum-rhenium alloy can still maintain good ductility. Molybdenum-rhenium block contains 47.5% rhenium and has dimensions of 8x8x6 millimeters. Due to its excellent high-temperature performance and corrosion resistance, it is commonly used in aerospace, aviation engines, nuclear industry, and chemical industry. especially in applications under high-temperature, high-pressure, and…

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【Know Tungsten】What Is Tungsten-Copper Protective Tube? 87

Tungsten-copper protective tube is a composite material tube, made from a blend of 93% tungsten and 7% copper. It consists of an inner tube and an outer sleeve, with the inner tube featuring an M16x15mm thread, while the outer sleeve also has an M16 thread for easy fastening. This type of tungsten-copper protective tube is commonly used in high-temperature, high-pressure, or corrosive environments, offering excellent wear resistance, corrosion resistance, and thermal conductivity. It is suitable for various industrial fields, such…

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What Are the Main Factors that Affect the Longevity of Tungsten Copper Heat Sinks? 87

The longevity of tungsten copper heat sinks is influenced by several key factors, each playing a crucial role in determining the performance and durability of these essential components in thermal management systems. Firstly, the material composition and quality of the tungsten copper alloy significantly impact longevity. Tungsten copper alloys are renowned for their high thermal conductivity, excellent thermal expansion properties, and robust mechanical strength. However, variations in alloy composition, impurities, and manufacturing processes can affect the material’s stability and resistance…

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How Do Tungsten Copper Alloys Impact Their Performance in Heat Sink Applications? 82

The electrical conductivity properties of tungsten copper alloys play a crucial role in determining their performance in heat sink applications. They are renowned for their excellent thermal conductivity, but their electrical conductivity characteristics also contribute significantly to their effectiveness in dissipating heat from electronic components. In heat sink applications, efficient thermal management is essential to prevent the overheating of electronic devices, which can lead to performance degradation or even failure. WCu alloys, with their high electrical conductivity, facilitate the rapid…

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How Does the Purity of Molybdenum Wire Affect its Performance? 141

The purity of molybdenum wire plays a crucial role in determining its performance and suitability for various applications. Moly wire is renowned for its exceptional mechanical strength, high melting point, and resistance to corrosion and wear. However, the purity of the molybdenum used in its production significantly influences its properties and performance. High-purity moly wire, typically defined as having a purity of 99.95% or higher, exhibits superior mechanical and thermal properties compared to lower purity grades. The presence of impurities,…

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How Is Molybdenum Wire Manufactured? 99

Molybdenum wire, renowned for its high tensile strength, excellent thermal conductivity, and resistance to corrosion and wear, undergoes a meticulous manufacturing process to ensure its quality and performance in various applications. The manufacturing of this metal wire typically begins with the extraction of molybdenum ore from mines worldwide. Molybdenite, the primary ore of molybdenum, undergoes mining and beneficiation processes to isolate the valuable mineral. Once extracted, the molybdenum ore undergoes a series of refining and purification steps to obtain pure…

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Know Tungsten – Tungsten Carbide Sealing Ring 75

? Tungsten carbide sealing rings are made of tungsten carbide powder as raw material, with an appropriate amount of cobalt powder or nickel powder added as a binder, pressed into a ring shape through a certain mold, and sintered in a vacuum furnace or hydrogen reduction furnace. Tungsten carbide sealing ring has a series of excellent properties such as high hardness, wear resistance, good strength and toughness, heat resistance, and corrosion resistance. In particular, its high hardness and wear resistance…

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Know Tungsten – Tungsten Carbide Drawing Die 96

?? Tungsten carbide drawing die is one of many carbide molds. The working part of the mold is made of finely ground carbide, and the fixed part of the mold is made of No. 45 steel. The two are then assembled through interference fit. Together, in this way, the material cost of the carbide drawing mold can be reduced to the lowest and most cost-effective, truly saving customers money.

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