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What is Molybdenum Bar? 20

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? 21

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 21

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 15

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 28

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 28

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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Factors Affecting the High Temperature and Pressure Adaptability of Barium Tungsten Electrode 30

Barium tungsten electrode (usually refers to tungsten-based cathode impregnated with barium salt) is widely used in high-power microwave tubes, high-pressure gas discharge lamps, plasma sources and other equipment that require high temperature and high pressure environment due to its excellent electron emission ability and certain high temperature resistance. Its high temperature and high pressure adaptability is subject to the interaction of multiple complex influencing factors, which can be mainly summarized as follows: I. Material Properties 1. Tungsten Skeleton Performance: 1.1…

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How to Avoid Surface Contamination of Barium Tungsten Electrode? 28

Surface contamination control of barium tungsten electrode requires comprehensive management from multiple dimensions such as material design, process optimization, environmental management, operating specifications, and use conditions. By accurately controlling the barium tungsten ratio, optimizing the preparation process, maintaining a high vacuum/inert environment, strictly following operating specifications, and reasonably selecting electrical parameters, the electrode’s anti-pollution ability and service life can be significantly improved. I. Influence of Material Properties and Preparation Process 1. Control of Barium Tungsten Ratio Barium Content: An appropriate…

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Preparation Cost Factors of Barium Tungsten Electrode 18

Barium tungsten electrode is an important cathode material, widely used in vacuum electronic devices such as microwave tubes, X-ray tubes, etc. Its preparation cost factors include raw materials, energy, equipment, labor, production efficiency and scrap rate. 1. Raw Material Cost Tungsten powder and barium compounds are the core raw materials for preparing barium tungsten electrodes. As a rare metal, tungsten has a high price and obvious fluctuations, and the quality and price of barium compounds will also have a direct…

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Molybdenum Bar 18

As a typical product made from the refractory metal molybdenum (Mo), molybdenum bar is a rod – shaped item with molybdenum as its primary raw material. Therefore, it is often referred to as a molybdenum rod or molybdenum stick. In English, it is known as “molybdenum bar” or “molybdenum rod.” With a purity of up to 99.7%, it is widely used in metallurgy, power equipment, and other fields due to its excellent thermal, mechanical, chemical, and electrical properties. From the…

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