Tungsten News

Tungsten News
Tungsten Copper Rods Are Used as Electrodes in Resistance Welding Applications 165

Tungsten copper rods are commonly used as electrodes in resistance welding applications due to their excellent electrical and thermal conductivity, as well as their resistance to wear and deformation. Here’s how tungsten copper rods are used as electrodes for resistance welding: Material Composition: Tungsten copper is a composite material consisting of a matrix of copper (Cu) and finely dispersed tungsten (W) particles. The percentage of tungsten can vary, typically ranging from 10% to 50%. The choice of composition depends on…

Tungsten News
Barium Tungsten Cathodes Ensure the Performance of Laser Flash Lamps 206

Barium tungsten cathodes are indeed used in various applications, including laser flash lamps. These lamps are often employed in optical pumping systems for solid-state lasers, such as ruby lasers and neodymium-doped yttrium aluminum garnet (Nd:YAG) lasers. Here’s how these cathodes are used in laser flash lamps: Lamp Construction: Laser flash lamp consists of a tube filled with a xenon or krypton gas mixture. The cathode is one of the key components within this lamp. Electron Emission: When electrical current is…

Tungsten News
How to store Barium Tungsten Cathode? 183

The barium tungsten cathode is composed of a porous substrate and nitrate barium evenly filled in it. The BaO component in the nitrate barium easily absorbs moisture and other impurities. In order to ensure the effectiveness of barium tungsten products, it is required not to be exposed to the atmosphere for more than 48 hours before use, and moisture, dust and other pollutants must be prevented from contacting the products to the greatest extent. To ensure the best performance, it…

Tungsten News
Why Molybdenum-rhenium Alloys Can Be Used in Space Nuclear Reactors? 318

Molybdenum-rhenium (Mo-Re) alloys are considered suitable materials for use in space nuclear reactors for several reasons: High Melting Point: Mo-Re alloys have exceptionally high melting points, with molybdenum having a melting point of approximately 2,623 degrees Celsius (4,753 degrees Fahrenheit) and rhenium around 3,180 degrees Celsius (5,756 degrees Fahrenheit). This property allows them to withstand the extreme temperatures generated in nuclear reactors, ensuring structural integrity under high-temperature conditions. Thermal Stability: These alloys exhibit remarkable thermal stability, making them resistant to…

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What Are the Applications of Molybdenum Rhenium Alloys? 314

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 291

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 270

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 233

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…

Tungsten News
How to Produce Barium Tungsten Cathode? 257

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…

Tungsten News
What Are the Applications of Barium Tungsten Cathode? 192

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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