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What Are the Applications of Molybdenum Rhenium Alloys? 178

Molybdenum-rhenium (Mo-Re) alloys are widely used in aerospace, heating equipment, and electronic technology and other applications. Here are some of their uses: Filaments: Mo-Re alloys are often used as filaments in electron guns for cathode ray tubes (CRTs), electron microscopes, and X-ray machines. These alloys can withstand high temperatures and have excellent emission properties, making them suitable for generating electron beams. Thermocouples: Mo-Re alloys are utilized in high-temperature thermocouples, especially for measuring extremely high temperatures in various industrial processes. Their…

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Molybdenum-Rhenium Plate Serves a Wide Range of Applications in Aerospace Industries 192

Molybdenum-Rhenium is an alloy composed of molybdenum and rhenium, and serves a wide range of applications in electronics, furnace, joining, and aerospace industries. Molybdenum and rhenium are two precious metals that are often synthesized into alloys for better performance and characteristics. Molybdenum-rhenium plate is manufactured in a standard alloy of 47.5% rhenium and has some unique features that make it useful in specific fields as following: High melting point: Both molybdenum and rhenium are high melting point metals, alloyed molybdenum…

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Molybdenum-Rhenium Block Has Important Applications in Specific High-tech Fields 175

Molybdenum-rhenium block is an alloy composed of molybdenum and rhenium, which has some special properties, so it has important applications in some specific high-tech fields. The following are the main applications of molybdenum rhenium alloy: Aerospace industry: Molybdenum-rhenium alloys are widely used in the aerospace industry because of their high melting point, oxidation resistance and high temperature resistance. It is often used as turbine blade and nozzle material in jet engines because these parts are required to withstand extreme conditions…

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Barium Tungsten Cathode for Xenon Flash Lamp 148

Barium tungsten cathode is a common cathode material in xenon flash lamp that is a device that uses the discharge of xenon to generate intense light flashes. It is widely used in photographic flash lamps, laser systems, high-speed photography, medical equipment, xenon lasers and other fields. In a xenon flash lamp, the BaW cathode acts as the electron generator. When xenon discharges, the generated electron flow will hit the cathode, which will excite the tungsten in the BaW cathode to…

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How to Produce Barium Tungsten Cathode? 155

Barium tungsten cathode is a composite material consisting of barium oxide and tungsten, providing a stable electron source or photoelectron source for electronic devices. How to produce barium tungsten cathode? The following processes are their regular steps. Raw material preparation: purchase high-quality tungsten powder and barium compound to ensure that the raw materials meet the production requirements. Mixing and grinding: according to the specific formula ratio, mix tungsten powder and barium compound, and put the mixture into a ball mill…

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What Are the Applications of Barium Tungsten Cathode? 112

Barium tungsten cathode is a cathode material used in electronic devices, and its applications are as following: Xenon flash lamps: the lamps are widely used in photographic flash lamps, laser systems, high-speed photography, medical equipment, xenon lasers and other fields to produce intense light flashes. X-ray Tubes: BaW cathodes are commonly used in X-ray tubes as an electron source. When a high voltage is applied, the cathode emits electrons, which are accelerated towards the anode, producing X-rays when they strike…

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What Is Barium Tungsten Cathode? 175

Barium tungsten cathode, also called barium tungsten electrode, is a cathode material used in electronic devices, which is a composite material consisting of barium oxide (BaO) and tungsten (W). The cathode is an important part of an electronic device, it is where electrons are generated. In electronic devices, these cathodes are usually used in vacuum electronic devices, such as light bulbs, X-ray tubes, electronic picture tubes and some high-power microwave tubes. The most popular applications are in xenon flash lamps.…

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Export Control: Germanium-Related Items 143

On July 4, 2023, the Ministry of Commerce and the General Administration of Customs jointly issued a notice to implement export control on gallium and germanium related items. Among the germanium-related items whose exports are restricted are: germanium metal, zoned germanium ingots, zinc germanium phosphate, germanium epitaxial growth substrates, germanium dioxide and germanium tetrachloride. Germanium (Ge) is an important strategic resource, is a grayish-white quasi-metal, lustrous, hard, chemically similar to the same family of tin and silicon, insoluble in water,…

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Export Control: Gallium-Related Items 124

According to the “Export Control Law of the People’s Republic of China”, “Foreign Trade Law of the People’s Republic of China” and “Customs Law of the People’s Republic of China” relevant provisions, in order to safeguard national security and interests, approved by the State Council, decided to implement export control on gallium and germanium related items. Unauthorized gallium-related items that cannot be exported are: gallium metal (monomer), gallium nitride, gallium oxide, gallium phosphide, gallium arsenide, indium gallium arsenic, gallium selenide…

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Effective August 1: Restrictions on Exports of Gallium and Germanium-Related Items 107

According to Chinatungsten Online, on July 4, 2023, the Ministry of Commerce and the General Administration of Customs issued an announcement on the export control of gallium and germanium related items. According to the announcement, there are 8 gallium related items, namely gallium metal (monomer), gallium nitride, gallium oxide, gallium phosphide, gallium arsenide, indium gallium arsenic, gallium selenide and gallium antimonide; 6 germanium related items, namely germanium metal, zoned germanium ingot, zinc phosphor germanium, germanium epitaxial growth substrate, germanium dioxide…

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