Tungsten

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Barium Tungsten Electrodes for Electropulse Sterilization Equipment 34

The barium tungsten electrode used in electropulse sterilization equipment is a high-performance electrode material. Its core advantages lie in the combination of tungsten’s high melting point, corrosion resistance, and barium’s low work function characteristics. I. Application Principles of Barium Tungsten Electrodes in Electropulse Sterilization Equipment Barium tungsten electrodes are primarily used to generate high-intensity pulsed electric fields in electropulse sterilization equipment. Instantaneous high-voltage pulses directly disrupt the cell membrane structure of microorganisms, causing leakage of cellular contents and subsequent death.…

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Barium Tungsten Electrodes for Plasma Equipment 24

In plasma equipment, barium tungsten electrodes are frequently used as cathode materials due to their superior electron emission properties and high-temperature resistance. Below is a concise overview of the applications of barium tungsten electrodes in plasma equipment: I. Characteristics of Barium Tungsten Electrodes 1. High Electron Emission Capability: Barium, a low work function material, when doped into a tungsten matrix, significantly lowers the electron escape work, enhancing the electrode’s electron emission efficiency at low temperatures. This is critical for arc…

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Ammonium Metatungstate: a Green New “Weapon” for Waste Gas Treatment 61

CTIA GROUP LTD’s Ammonium Metatungstate (AMT), a white or slightly yellowish crystalline powder, is highly water-soluble, in stark contrast to the sparingly soluble ammonium paratungstate. As a critical inorganic chemical raw material, AMT is widely used across multiple industries. In tungsten metal production, AMT serves as a core precursor, transformed through complex reactions into high-purity tungsten powder for aerospace and electronics. In fire-resistant fabrics, AMT imparts superior flame-retardant properties, used in firefighter suits and fireproof curtains. In the ceramics industry,…

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Ammonium Metatungstate: the Invisible Shield of Fire-Resistant Fabrics 54

Fire-resistant fabrics, engineered with special treatments or additives like flame retardants, slow or prevent flame spread and reduce burning rates. These properties provide critical time for escape during fires, minimizing harm to life and property. CTIA GROUP LTD’s Ammonium Metatungstate (AMT), a key functional raw material, shines in fire-resistant fabric production with its unique “hardcore” capabilities. I. AMT: The “Hardcore” Guardian of Fire-Resistant Fabric Production CTIA GROUP LTD’s Ammonium Metatungstate (AMT), a tungsten-containing inorganic compound, is a vital additive in…

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The Invisible Force in Petroleum Refining: How Ammonium Metatungstate Shines 52

Petroleum, often dubbed the “lifeblood of industry,” is a complex mixture of hydrocarbons in its crude form, requiring refining to unlock its full potential. Petroleum refining, akin to a magical transformation, converts crude oil into valuable products like gasoline, diesel, and lubricants, which permeate every facet of modern life. In oil-rich nations, refining is a cornerstone of the economy, driving significant growth. However, this intricate process demands advanced technologies and efficient catalysts to ensure smooth operations and consistent product quality.…

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From Ammonium Metatungstate to Tungsten Powder: Unlocking the Hidden Code of Industrial Manufacturing 53

In the vast landscape of modern industry, tungsten powder, though seemingly unremarkable, plays a critical role as an unsung hero. From everyday electronics to soaring aerospace vehicles and high-performance automobiles, tungsten powder is indispensable. In the electronics sector, CTIA GROUP LTD’s tungsten powder, with its excellent electrical conductivity and high melting point, is ideal for manufacturing electrodes, thermocouples, and other components. As electronic devices trend toward miniaturization and higher performance, the demand for high-purity, fine-grained tungsten powder continues to rise.…

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Ammonium Metatungstate: Illuminating the Quality of the Ceramics Industry 28

Ceramics, one of the greatest inventions in human history, have evolved over thousands of years from simple household items to critical materials in industries, technology, and art. From everyday tableware and teaware to architectural tiles and sanitary ware, and even key components in aerospace and electronics, ceramics are ubiquitous. Behind the thriving modern ceramics industry, an “invisible hero” plays a vital role: Ammonium Metatungstate (AMT). Though unfamiliar to the general public, AMT significantly enhances ceramic performance and drives industry progress.…

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Application of Tungsten Crucibles in Single Crystal Growth 57

Single crystal growth is a key process for the preparation of high-purity and structurally perfect crystals, which are widely used in semiconductors, photovoltaics, lasers and optical devices, such as the preparation of silicon single crystals, sapphire single crystals and gallium arsenide single crystals. As a high-temperature container, tungsten crucibles are able to withstand extreme process conditions, ensuring stable and high quality crystal growth. Role in the growth of single crystals Single crystal growth is typically done using processes such as…

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Application of Tungsten Crucible in High-Temperature Melting 55

High-temperature melting usually involves the preparation of metals, rare earth elements or special alloys with high melting points, and the process environment is harsh, and the requirements for container materials are extremely high. With its unique properties, tungsten crucible has become the preferred container for high-temperature smelting, and its application involving metallurgy, aerospace, rare earth smelting and other industries. The role in high-temperature melting High-temperature smelting usually needs to be carried out in an environment above 2000°C or even close…

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What Are the Main Applications of Tungsten Crucibles? 46

Tungsten crucibles are used in a wide range of applications due to their extremely high melting point, excellent high-temperature strength, good thermal conductivity and strong chemical inertness in vacuum or inert atmospheres. 1. Semiconductor single crystal growth (1).Czochralski During the growth of silicon single crystals, the crucible must withstand high temperatures of about 1400 °C and be in contact with molten silicon for long periods of time without chemical reactions. Due to its high-temperature strength and chemical stability, tungsten crucibles…

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