Overview of CAS 12136-78-6 Molybdenum DiSilicide Si2Mo powder
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 CAS 12136-78-6 Molybdenum DiSilicide Si2Mo powder
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.
(CAS 12136-78-6 Molybdenum DiSilicide Si2Mo powder)
Parameters of CAS 12136-78-6 Molybdenum DiSilicide Si2Mo powder
Molybdenum disilicide, also known by its chemical formula Si2Mo, is a high-temperature ceramic material that finds extensive applications in various industries due to its unique properties. With the CAS number 12136-78-6, it serves as an essential compound in materials science and engineering.
Si2Mo powder is a fine, crystalline form of molybdenum silicide, characterized by its black or grayish appearance. The particles are typically produced through a controlled process, which can involve techniques like sublimation, sintering, or chemical vapor deposition. This powder form allows for easy dispersion and integration into other materials, making it suitable for a wide range of applications.
One of the key features of molybdenum disilicide is its exceptional thermal stability. It maintains its integrity up to extremely high temperatures, with a melting point around 1450°C (2642°F), which makes it ideal for use in applications where resistance to heat is crucial. This property is particularly valuable in aerospace, automotive, and electronics industries, where components need to withstand harsh operating conditions.
Another notable characteristic is its excellent electrical conductivity. Si2Mo is a semiconductor material, meaning it exhibits variable electrical conductivity depending on temperature. At room temperature, it acts as a p-type semiconductor, but as the temperature increases, its conductivity approaches that of a metal. This temperature-dependent behavior makes it useful in thermoelectric devices and temperature sensors.
The high melting point and low thermal expansion coefficient of Si2Mo make it suitable for applications in high-temperature bearings, seals, and crucibles. It is also used in the production of high-strength refractory materials, such as crucibles for melting metals like tungsten and zirconium, ensuring minimal contamination and material loss during processing.
In the electronics industry, molybdenum disilicide is employed in thin-film transistors and integrated circuits due to its low resistivity and high thermal stability. These properties enable it to function reliably in power electronics and high-frequency devices, where heat dissipation is critical.
Moreover, Si2Mo has shown potential in the field of energy storage, specifically in the development of molten salt batteries and fuel cells. Its compatibility with molten salts and ability to maintain conductivity at elevated temperatures contribute to improved efficiency in these technologies.
In summary, molybdenum disilicide (CAS 12136-78-6) is a versatile material with exceptional thermal and electrical properties, making it a sought-after component in various industries. Its powder form enables easy incorporation into different applications, from high-temperature components to electronic devices. As research continues to explore new possibilities, the demand for Si2Mo is expected to grow, driven by its unique characteristics and adaptability to challenging environments.
(CAS 12136-78-6 Molybdenum DiSilicide Si2Mo powder)
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