Overview of Tungsten Trioxide CAS 1314-35-8
Metal powder is a common form of metal that has been processed into fine particles, ranging from a few micrometers to over 100 microns in diameter. It plays a crucial role in various industrial applications due to its unique properties and versatility.
Features of Tungsten Trioxide CAS 1314-35-8
Physical Characteristics
Particle Size: Ranging from nanometers to hundreds of micrometers, the size distribution significantly influences the powder’s flowability, packing density, and sintering behavior.
Shape: Particles can be spherical, irregular, flake-like, or dendritic, each shape affecting the final product’s mechanical properties and surface finish.
Purity: Depending on the production method, metal powders can achieve high levels of purity, critical for applications like electronics and aerospace where impurities can degrade performance.
Density: While less dense than their solid counterparts due to the presence of air between particles, metal powders can be densely packed during processing to approach the density of the solid metal.
Chemical Properties
Reactivity: Some metal powders, particularly aluminum and titanium, are highly reactive with air and moisture, necessitating careful handling and storage under inert atmospheres or vacuum.
Oxidation: Exposure to air can lead to surface oxidation, forming a passive layer that affects sintering and other processes. This can be managed through surface treatment or use of protective atmospheres.
(Tungsten Trioxide CAS 1314-35-8)
Parameters of Tungsten Trioxide CAS 1314-35-8
Tungsten Trioxide, also known as WO3 or Trioxidotungsten, is an inorganic compound with the chemical formula WO3 and a CAS number of 1314-35-8. This fascinating material belongs to the group of metal oxides and holds significant importance in various industrial applications due to its unique properties.
Tungsten, a transition metal with the atomic number 74, is renowned for its exceptional strength, high melting point, and resistance to corrosion. When combined with oxygen, it forms tungsten trioxide, which exhibits a trigonal crystal structure. The compound consists of tungsten atoms bonded to three oxygen atoms, forming a trigonal planar arrangement, giving it a distinctive crystalline lattice.
One of the most notable characteristics of tungsten trioxide is its high chemical stability. It is resistant to most acids and alkalis, making it ideal for use in environments where harsh chemicals are present. This property makes it widely employed in applications such as catalysts, refractories, and glass manufacturing, where it acts as a protective coating or a thermal barrier.
Tungsten trioxide finds extensive use in the electronics industry, particularly in the production of semiconductors. Its ability to form thin, uniform layers when deposited on substrates makes it an essential component in the fabrication of microelectronic devices, including integrated circuits and photovoltaic cells. The compound’s insulating properties also contribute to the performance of these components.
In the field of ceramics, tungsten trioxide is a key ingredient in the production of high-temperature ceramics, such as tungsten carbide and tungsten-bronze alloys. These materials exhibit exceptional strength and hardness, making them suitable for applications requiring extreme durability, like cutting tools, wear-resistant coatings, and turbine blades.
Tungsten trioxide also plays a role in environmental remediation, where it can be used to remove heavy metals from contaminated soils and water. Its ability to adsorb and immobilize pollutants makes it a promising candidate for pollution control and waste management.
Moreover, tungsten trioxide is involved in the development of energy storage technologies, specifically in lithium-ion batteries. It acts as a cathode material in some battery chemistries, contributing to the overall performance and efficiency of the device.
In summary, tungsten trioxide (CAS 1314-35-8) is a versatile inorganic compound with remarkable properties that make it indispensable in various industries. Its chemical stability, heat resistance, and unique crystal structure enable it to serve as a catalyst, ceramic component, electronic material, environmental remediation agent, and even a battery material. As research continues to uncover more potential applications, tungsten trioxide is likely to remain a critical material in the pursuit of advanced technology and sustainable solutions.
(Tungsten Trioxide CAS 1314-35-8)
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