Tungsten

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Barium Tungsten Electrodes for Laser Mercury-Pumped Light Sources 24

Barium tungsten electrodes are one of the core components in laser mercury-pumped light sources, whose performance directly determines the efficiency of mercury vapor discharge and the stability of the light source. Compared to traditional electrodes containing radioactive elements (e.g., thorium-tungsten electrodes), barium tungsten electrodes stand out for their environmental friendliness, high electron emission efficiency, and long service life, making them the preferred material in high-power gas discharge light sources. I. Material Characteristics of Barium Tungsten Electrodes High-Temperature Resistance and Stability:…

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Barium Tungsten Electrode for Vacuum Electronic Devices 22

As a core material for vacuum electronic devices, barium tungsten electrodes occupy a pivotal position in the field of vacuum electronic technology by optimizing electron emission performance and operational stability. Their applications span a wide range of scenarios, including power conversion, industrial heating, and scientific research exploration, serving as crucial support for the efficient operation of modern electronic devices. 1. What are Vacuum Electronic Devices? Vacuum electronic devices are electronic components that utilize the motion of electrons within a vacuum…

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Barium Tungsten Electrodes in Ion Lasers 12

Ion lasers utilize barium tungsten electrodes because they provide a stable electron flow to sustain gas discharge while offering advantages such as low work function, high-temperature stability, and long lifespan. These characteristics collectively ensure the efficient output and stable operation of ion lasers, making barium tungsten electrodes an ideal choice. 1. What Are Barium Tungsten Electrodes? Barium tungsten electrodes are cathode materials widely used in high-performance discharge devices. They are primarily composed of a tungsten matrix combined with barium-containing compounds…

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Barium Tungsten Electrodes for Lasers 9

Barium tungsten electrodes are widely used in lasers, particularly excelling in gas-discharge lasers. Their core advantages lie in high electron emission performance, high-temperature resistance, and long operational lifespan. I. Key Application Scenarios in Lasers 1. CO? Lasers Barium tungsten electrodes serve as discharge cathodes to sustain gas discharge and excite CO? molecules for laser generation. Key features include: (1) High-temperature resistance: Prevents thermal deformation. (2) Enhanced electron emission efficiency: Reduces energy consumption. (3) Resistance to ion sputtering and chemical corrosion:…

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Barium Tungsten Electrode for Stroboscopic Tachometers 10

The barium tungsten electrode is a composite electrode material made from tungsten and barium, playing a critical role in stroboscopic tachometers due to its unique physical and chemical properties. I. Core Characteristics of Barium Tungsten Electrode The barium tungsten electrode combines the distinct advantages of tungsten and barium. Tungsten offers a high melting point, corrosion resistance, and excellent mechanical strength, ensuring stability in extreme environments. The addition of barium significantly reduces the electrode’s work function, enhancing its electrical conductivity. This…

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Barium Tungsten Electrode for Electronic Monitoring 9

The barium tungsten electrode for electronic monitoring is a specialized electrode material primarily used in sensors or detectors within electronic monitoring devices. This electrode ingeniously combines the properties of tungsten and barium to meet the high-performance material requirements of electronic monitoring systems. I. Composition and Characteristics of Barium Tungsten Electrode 1. Tungsten (W) Tungsten is a refractory metal renowned for its high melting point, high density, and high hardness. These properties make it a preferred choice for electrode materials, particularly…

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Barium Tungsten Electrodes for Sports Venues 11

The application of barium tungsten electrodes in sports venues primarily lies in their role as core materials for specialized light sources such as High-Intensity Discharge (HID) lamps and strobe lights, providing efficient, stable, and energy-saving lighting solutions for venues. I. Core Application Scenarios of Barium Tungsten Electrodes in Sports Venues 1. High-Intensity Discharge (HID) Lamp Lighting Systems With a low work function of 1.6 eV and a current density of up to 10 A/cm2, barium tungsten electrodes enable rapid ignition…

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Barium Tungsten Electrodes for Industrial Lighting 11

Barium tungsten electrodes used in industrial lighting typically refer to the core components in discharge lamps, such as high-intensity discharge (HID) lamps. These electrodes are primarily made of tungsten due to its extremely high melting point (approximately 3422°C) and excellent high-temperature resistance, enabling it to withstand elevated temperatures during lamp operation. These properties make tungsten an ideal choice for electrode materials in industrial lighting, particularly in discharge lamps that require the generation of bright arcs. Role of Tungsten in Electrodes…

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Barium Tungsten Electrodes for Road Lighting 9

High-intensity discharge (HID) lamps commonly used in road lighting, such as high-pressure sodium (HPS) lamps and metal halide (MH) lamps, typically employ barium tungsten electrodes (or barium tungsten cathodes) as electron-emitting materials. These electrodes exhibit outstanding performance under high-temperature and high-current conditions, serving as a critical component to ensure the efficient and stable operation of lighting systems. I. Composition and Characteristics of Barium Tungsten Electrodes 1. Material Composition: Barium tungsten electrodes are composite materials composed of a high-melting-point tungsten (W)…

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Barium Tungsten Electrodes for Fluorescent Lamps 11

Leveraging unique material design, barium tungsten electrodes have overcome the challenges of slow ignition and short lifespan in fluorescent lamps, becoming an ideal choice for high-frequency strobe and high-brightness applications. Their exceptional performance stems from innovative manufacturing processes and material properties, delivering significant breakthroughs for the lighting industry. I. Core Characteristics and Working Principles of Barium Tungsten Electrodes Barium tungsten electrodes represent advanced electrode materials composed of a tungsten matrix compounded with barium compounds, addressing the limitations of traditional electrodes…

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