What is Molybdenum Silicide MoSi2 Powder?

Introduction to Molybdenum Silicide MoSi2 Pulp


Molybdenum silicide

It was discovered in 1906. Molybdenum is combined with silicon to create molybdenum trisilicides Mo3Si(Mo5Si3) and Molybdenum pottasilicates Mo5Si3 [Mo5Si3], respectively. Depending on each situation, molybdenum diers (MoSi2) can also be formed. Molybdenum pentasilicate is the most popular. It is a Dalton intermetallic compound. Its crystal structure demonstrates the coexistence and covalent bond. High temperatures also have exceptional features.

Molybdenum Disilicide

It is an organic compound. MoSi2’s chemical formula is gray-solid. Although it can’t be dissolved in many acids it is readily soluble in hydrofluoric, or nitric. They have identical electronegativity and radii. Similar to metal and ceramic, it is also similar.

Molybdenum Disilicide

It has an electrical conductivity, and can be formed at higher temperatures to form a silicon dioxide passive protection that shields against further oxidation.
It can be used to make electrode films, high temperature oxide-resistant coateds, electric heating element covers, as well as composite reinforcement.

Molybdenum siicide MoSi2 MoPowder’s Physical Chemistry Characteristics


MoSi2 is a type or intermediate layer with the most silicon found in the MoSi binary alloy. This Dalton intermetallic material has a fixed structure. It’s extremely durable and provides excellent performance. It has the same properties as metal and ceramic. SiC can withstand high temperatures up to 1600°C. Moderate densities (6.24 g/cm3). Thermo expansion coefficient is high (8.10-6K-1). Electric conductivity is high. Ceramics have lower ductile temperatures and are less flexible than ceramics (1000). It has a metallic appearance. MoSi2 can be used as an integrated circuit or heating element, and also serves to protect against high temperatures oxidation.

MoSi2 has silicon and molybdenum that are bonded using metallic bonds. While silicon and silicon are both bonded with covalent links (silicon and silica also bond via covalent relationships), silicon and silica can be attached using covalent connections. Molybdenum could be called a grey-tetragonal diilicide. Molybdenum does not dissolve in mineral acids, including aqua-roya. However it is readily soluble so that it can be used as a hydrofluoric and nitric mix chemical. You can use it as a heat element at high temperature in the oxygen atmosphere (1600).

A protective coating is formed when dense quartz glass, SiO2, has been heated up to extremely high temperatures. This protective coating protects against oxidation. The heating element must be heated to above 1710. To make a protective SiO2 coating, the heating element must first reach 1700. At the melting point of SiO2, this protective coating is thickened until it reaches 1710. Then, SiO2 molten droplets are added. This protective layer can be extended to provide additional protection. When the element is exposed to the oxygen, its protective layer forms again. Fast oxidation means that the element is not able to be used in temperatures below 400-700.

Molybdenum Silicide MoSi2 Powder Properties
Additional Names	Molybdenum disilicide. MoSi2 powder
No.	12136-78-6
Formula compound	MoSi2
Molecular Weight	152.11
Appearance	Gray powder, black powder
Melting Point	1900-2050 degC
Boiling Point	N/A
Density	6.23-6.31g/cm3
Water solubility	N/A
Mass exact	153.859261

Molybdenum Siicide MoSi2 MoSi2 MoSi2 Powder Applications


MoSi2 has been used in common heating elements.

Heating elements containing molybdenum diilicide

The temperature of electric furnaces can reach 1800degC to produce electronics and glasses. They can be fragile and last a very long time.

Molybdenum Siicide MoSi2 MoSi2 MoSi2 MoSi2 MoSi2 MoSi2 MoSi2 MoSi2 MoPi2 MoSi2 MoSi2 MoSi2 MoSi2 MoSi2 MoSi2 main supplier


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molybdenum silicide powder (MoSi2 Pulver)

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