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Advantages of Barium Tungsten Electrodes in Pulsed Lasers 19

Barium tungsten electrodes (usually referring to barium-containing tungsten-based reserve cathodes) play a vital role in pulsed lasers, especially gas discharge-excited pulsed lasers, and are mainly used as high-performance cathodes. Its application core lies in providing an efficient, stable and long-life electron emission source to support the high current and high repetition frequency pulse discharge required by the laser. Advantages of Barium Tungsten Electrodes in Pulsed Lasers 1. Efficient Thermal Electron Emission: Barium tungsten cathode is a reserve diffusion cathode or…

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Application of Barium Tungsten Electrode in Low-Temperature Plasma 17

Low-temperature plasma refers to plasma generated at relatively low temperatures (usually room temperature to several hundred degrees Celsius). It has attracted much attention due to its unique advantages in materials science, biomedicine, environmental science and aerospace technology. Barium tungsten electrode is usually composed of tungsten (W) matrix and barium (Ba) compound. The high melting point and stability of tungsten, combined with the low work function of barium, give barium tungsten electrode excellent electron emission performance and high durability, making it…

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Application of Barium Tungsten Electrode in High-Frequency Plasma 15

The application of barium tungsten electrode in high-frequency plasma benefits from its unique material properties: tungsten provides stability and heat resistance, and barium reduces the work function to improve the electron emission ability. This electrode is an efficient electron emission source in high-frequency plasma systems, which can help generate and maintain stable plasma and is widely used in material processing, surface treatment and plasma chemistry. Barium tungsten electrode is a composite material composed of tungsten and barium. Tungsten is a…

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Tungsten Alloy Bitcoin 18

Like tungsten cubes, tungsten bitcoin is a beloved item among cryptocurrency enthusiasts. Made from a tungsten-based alloy, it is also known as a tungsten alloy bitcoin. Its advantages of being impervious to wear, fade, or deformation make it an ideal souvenir, collectible, or gift for friends. Tungsten bitcoin is a commemorative coin composed of metallic tungsten combined with other metals such as nickel, iron, or copper, with tungsten content in common alloys ranging from 85% to 99%. Tungsten bitcoin combines…

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What is Molybdenum Bar? 18

Molybdenum bar is a rod-shaped product made primarily from high-purity molybdenum, with a purity of up to 99.7%. Renowned for its excellent thermal, mechanical, chemical, and electrical properties, it serves as a core foundational material in key industries such as metallurgy and power equipment. Molybdenum bar inherits the outstanding attributes of metallic molybdenum. In its natural state, the surface displays a bright, silvery metallic luster; when processed with special techniques involving lubricants or oxide coatings, it takes on a black…

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What is Tungsten Alloy Nut? 20

Tungsten alloy nut is a high-performance fastening component made from refractory metal tungsten as the base, blended with auxiliary metals like nickel and iron. Its unique internal threaded hole design allows for reliable connection with bolts. Tungsten alloy nut exhibits a range of superior properties surpassing traditional materials. Leveraging tungsten’s high density, it enables efficient counterweight and fastening in limited spaces. Through precise blending of nickel, iron, and other elements, combined with specialized processing, the material’s hardness and strength are…

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Yttrium Tungsten Electrode 20

Yttrium tungsten electrode, a typical rare earth tungsten electrode, is a high-performance electrode material created by modifying a high-purity tungsten base with an appropriate amount of yttrium oxide (Y?O?). Its English name is Yttrium Tungsten Electrode. The commonly used WY20 grade in the industry is identified by a blue color-coded tip for quick recognition among various electrode products. It comes in diverse specifications, with diameters ranging from 0.5mm to 12.0mm to suit different power welding equipment, and standard lengths typically…

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Tungsten Putty 13

Tungsten Putty, an emerging tungsten-based composite, is crafted through a special process that deeply bonds high-purity tungsten powder with a high-molecular polymer, distinguishing it within the tungsten product family. Its morphology differs significantly from traditional tungsten products—it is neither the loose, powdery form of tungsten oxide nor the dense metallic texture of high-density tungsten alloys, instead presenting a paste-like appearance similar to solid grease with a distinctive oily sheen. Tungsten Putty integrates the dual advantages of tungsten and polymer materials.…

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Factors Affecting the Machining Accuracy of Barium Tungsten Electrodes 27

The realization of the machining accuracy of barium tungsten electrodes requires comprehensive control of multiple influencing factors such as material properties, machining parameters, environmental conditions, operating skills and quality inspection. 1. Material Properties and Composition 1.1 Properties of Composite Materials: Barium tungsten electrode is a composite material composed of tungsten (W) and barium (Ba) compounds. The uniformity of its composition directly affects the machining accuracy. If the distribution of barium in the material is uneven or there are impurities, it…

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Factors Affecting the Thermal Cycle Performance of Barium Tungsten Electrodes 27

The thermal cycle performance of barium tungsten electrodes refers to their ability to maintain structural integrity and performance stability during repeated heating and cooling. The main influencing factors are as follows: 1. Material Properties Thermal Expansion Coefficient: The thermal expansion coefficient determines the volume change of the electrode when the temperature changes. If the thermal expansion coefficient is too large or too small, it may cause thermal stress concentration, causing cracks or fractures. Thermal Conductivity: High thermal conductivity helps to…

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