Introduction to Molybdenum Silicide MoSi2 Pulp
In 1906, it was discovered. In different circumstances, molybdenum, silicon, and molybdenum may form molybdenum trisilicides (Mo3Si), Molybdenum pentasilicates (Mo5Si3) and molybdenum dilicates (MoSi2), respectively. Molybdenum trisilicide (MoSi2) – a Dalton type intermetallic compound – is the most important. A crystal combination of atomic elements in the structure of MoSi2 shows that metal and covalent bonds coexist. It also has outstanding high-temperature essential features.
It is an organic compound. The chemical formula for MoSi2 is gray metal solid. Although insoluble in many acids, it is soluble in hydrofluoric acid and nitric. Both types of atoms are similar in their radii as well as electronegativity. This is comparable to that found in metal and ceramic.
The surface is electrically conductive and, at high temperatures, forms a silicon dioxide passivation layer to protect it from further oxidation.
This material can be used as an integrated electrode film, high-temperature oxide-resistant coating, electrical heating elements, structural materials and composite reinforcement. It also wear-resistant, wear-resistant, ceramics and in other bonding areas.
Molybdenum Siicide MoSi2 MoPowder’s Physicochemical Characteristics
MoSi2 refers to a form of intermediate phase that contains the highest amount of silicon in the Mo-Si binary alloy system. This is a Dalton type intermetallic compound having a fixed structure. The material is high-temperature and has great performance. It has both the characteristics of ceramic and metal. High-temperature oxidation resistance and resistance to temperature up 1600; SiC equivalent. Moderate density (6.24%g/cm3). Low thermal expansion coefficient (8.10-6K-1). Good electric conductivity. Higher brittleness and ductile transition temperatures (1000) than ceramics. This soft plastic is metallic-like. MoSi2 is used primarily as an integrated circuit, heating element and high temperature oxidation resistant coating.
MoSi2 consists of silicon and molybdenum bonded with metal bonds. While silicon and molybdenum are bonded using covalent bonds, silicon and silicon can be bonded via covalent bonds. Molybdenum is a grey tetragonal disilicide. Although insoluble in all mineral acids (including aqua-roya), it is soluble and can be used to heat an oxidation atmosphere at high temperatures (1700).
An oxidizing atmosphere forms a protective coating on dense quartz glass (SiO2) that has been heated to high temperatures. This prevents continuous oxidation. SiO2 protective layer is created when the temperature at which the heating element heats is above 1700. It is thickened to the melting point 1710, and then fused with SiO2 in molten droplets. Due to its surface-extending ability, the protective film loses its protective power. The protective film is formed again when the element is continuously exposed to the oxidant. Due to the high oxidation rate at low temperatures, this element can’t be used long at 400-700.
|Molybdenum Silicide MoSi2 Powder Properties|
|Additional Names||molybdenum powder, MoSi2 disilicide|
|Appearance||From gray powder to black powder|
|Melting Point||1900-2050 degC|
|Solubility in water||N/A|
|Get the exact Mass||153.859261|
Molybdenum Siicide MoSi2 Powder Applications
MoSi2 is a common material in heating elements.
Molybdenum heat elements with disilicide molybdenum
Can be used up to 1800 degrees C in electric furnaces for production in electronics and glass. They are not brittle and can work at higher power without becoming brittle. Additionally, their resistance does not decrease with time.
Molybdenum Silicide MoSi2 MoSi2 Powder Main Supplier
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