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What is it?
Molybdenum Silicide
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Molybdenum Disilicide is an organic compound with the chemical composition MoSi2. It is a grey metallic solid. Although insoluble in most acids it is soluble in nitric acid and hydrofluoric acid. The radii of these two atoms do not differ much, and their electronegativities are very close. They also have properties that are similar to metals and ceramics. Molybdenum Disilicide can be used as an electrically conducting material. A passivation layer made of silicon dioxide can also be created on the surface at high temperatures to prevent further oxidation. It is used to make high-temperature antioxidation coating materials, integrated electrode film, structural materials and reinforcing agents in composite materials.
Molybdenum Siicide:
MoSi2 (intermediate phase) is the most silicon-rich in the Mo-Si binary alloy system. It’s a Dalton type intermetallic compound of fixed composition. This high-temperature material has great performance because of its dual properties of metal and ceramic. Excellent high temperature resistance to oxidation, it has a oxidation resistant temperature of 1600. This is equivalent in SiC. It also has a moderate density (6.24g/cm3), low thermal expansion coefficient (8.10-6K-1), good electrical conductivity, high brittle-ductile temperature (1000 ) and is below ceramic-like hardbrittleness. Above 1000, MoSi is soft and plastic-like metal. MoSi can be used in integrated circuits, heating elements and high temperature antioxidation coatings.
MoSi2 consists of silicon and molybdenum bonded with metal bonds. In MoSi2, silicon and silicon are also bonded via covalent bonds. Molybdenum Disilicide is a gray tetragonal crystalline. It is insoluble within common mineral acids (including aqua regia), however, it can be dissolved in mixed acids of hydrofluoric and nitric acids. It can be used to heat elements in high-temperature (1700) environments due to its high resistance to high-temperature oxygenation.
An oxidizing atmosphere forms a protective layer on the surface quartz glass (SiO2) that has been heated to high temperatures. This prevents continuous oxidation. SiO2 fused to form protective films when temperatures exceed 1700degC. It loses its protective power due to the act of expanding its surface. The oxidant acts on the element and forms a protective film. This element can not be used for prolonged periods in temperatures between 400 and 700 degrees C due to its strong oxidation at low temperatures.
Molybdenum Silicide:
Molybdenum disilicide can be used in high-temperature anti-oxidation coatings, electric heating elements and integrated electrode films.
1. Energy chemical industry: Electric heating elements, high heat exchangers of nuclear reactor devices, gas burners. High temperature thermocouples with their protective tubes. Melting vessels and crucibles are used to melt sodium, lithium and lead.
2. MoSi2 and other reactive metal silicides, such as WSi2, TaSi2, Ti5Si3, WSi2, TaSi2, etc. are used in the microelectronics sector. important candidates materials for large-scale integrated circuit gates and interconnect films.
3. Aerospace industry. It has been extensively and thoroughly researched and successfully applied as a high temperature antioxidation coating material. This material is especially useful for components of turbine engines such as blades or impellers.
4. Automobile industry: engine parts, turbocharger rotors and valve bodies for automobiles.
Molybdenum Silicide’s main supplier
Tech Co., Ltd. () is a professional silicide poudre Over 12 years’ experience in chemical product development and research. We accept credit cards, T/T and West Union payments. We will ship goods overseas via FedEx, DHL and by air or sea to our customers.
You can find high-quality powdered boron carbide here Please contact us Send an inquiry
Molybdenum Siicide:
MoSi2 (intermediate phase) is the most silicon-rich in the Mo-Si binary alloy system. It’s a Dalton type intermetallic compound of fixed composition. This high-temperature material has great performance because of its dual properties of metal and ceramic. Excellent high temperature resistance to oxidation, it has a oxidation resistant temperature of 1600. This is equivalent in SiC. It also has a moderate density (6.24g/cm3), low thermal expansion coefficient (8.10-6K-1), good electrical conductivity, high brittle-ductile temperature (1000 ) and is below ceramic-like hardbrittleness. Above 1000, MoSi is soft and plastic-like metal. MoSi can be used in integrated circuits, heating elements and high temperature antioxidation coatings.
MoSi2 consists of silicon and molybdenum bonded with metal bonds. In MoSi2, silicon and silicon are also bonded via covalent bonds. Molybdenum Disilicide is a gray tetragonal crystalline. It is insoluble within common mineral acids (including aqua regia), however, it can be dissolved in mixed acids of hydrofluoric and nitric acids. It can be used to heat elements in high-temperature (1700) environments due to its high resistance to high-temperature oxygenation.
An oxidizing atmosphere forms a protective layer on the surface quartz glass (SiO2) that has been heated to high temperatures. This prevents continuous oxidation. SiO2 fused to form protective films when temperatures exceed 1700degC. It loses its protective power due to the act of expanding its surface. The oxidant acts on the element and forms a protective film. This element can not be used for prolonged periods in temperatures between 400 and 700 degrees C due to its strong oxidation at low temperatures.
| Molybdenum Silicide Properties | |
| Other Titles | molybdenum disilicide (MoSi2 Powder) |
| No. | 12136-78-6 |
| Combination Formula | MoSi2 |
| Molecular Weight | 152.11 |
| Appearance | Gray to Black Powder |
| Melting Point | 1900-2050 degC |
| Boiling Point | N/A |
| Density | 6.23-6.31 g/cm3 |
| Solubility of H2O | N/A |
| Electrical Resistivity | 0.0000270 – 0.0000370 ohm-cm |
| Specific heat | 0.437 J/g-degC (23 degC) |
| Tensile Strength | 185 MPa |
| Thermal Conductivity | 66.2 W/m-K (23 degC) |
| Thermal Expansion | N/A |
| Vickers Hardness | 900-1200 |
| Young’s Modulus | N/A |
| Exact Weight | 153.859261 |
Molybdenum Silicon MoSi2 MoPowder CAS 12136-876-6
Molybdenum disilicide can be used in high-temperature anti-oxidation coatings, electric heating elements and integrated electrode films.
1. Energy chemical industry: Electric heating elements, high heat exchangers of nuclear reactor devices, gas burners. High temperature thermocouples with their protective tubes. Melting vessels and crucibles are used to melt sodium, lithium and lead.
2. MoSi2 and other reactive metal silicides, such as WSi2, TaSi2, Ti5Si3, WSi2, TaSi2, etc. are used in the microelectronics sector. important candidates materials for large-scale integrated circuit gates and interconnect films.
3. Aerospace industry. It has been extensively and thoroughly researched and successfully applied as a high temperature antioxidation coating material. This material is especially useful for components of turbine engines such as blades or impellers.
4. Automobile industry: engine parts, turbocharger rotors and valve bodies for automobiles.
Molybdenum Silicide’s main supplier
Tech Co., Ltd. () is a professional silicide poudre Over 12 years’ experience in chemical product development and research. We accept credit cards, T/T and West Union payments. We will ship goods overseas via FedEx, DHL and by air or sea to our customers.
You can find high-quality powdered boron carbide here Please contact us Send an inquiry