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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 can be 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 ceramics as well as metal. 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), which is below ceramic-like hardbrittleness. It is soft and has the appearance of 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 is soluble in mixed acid of nitric and hydrofluoric 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 dense quartz (SiO2) surface. This prevents continuous oxidation and oxidation prevention of molybdenum disilicide. 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, integrated electrode films and structural materials.
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 other metals.
2. MoSi2 and other reactive metal silicides, such as WSi2, TaSi2, Ti5Si3, WSi2, TaSi2, etc. are used in the microelectronics sector. are key candidate materials for large-scale integrated gate and interconnect film production.
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 and powder Over 12 years’ experience in chemical products 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 ceramics as well as metal. 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), which is below ceramic-like hardbrittleness. It is soft and has the appearance of 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 is soluble in mixed acid of nitric and hydrofluoric 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 dense quartz (SiO2) surface. This prevents continuous oxidation and oxidation prevention of molybdenum disilicide. 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 | 153.859261 |
Molybdenum Silicon MoSi2 MoPowder CAS 12136-876-6
Molybdenum disilicide can be used in high-temperature anti-oxidation coatings, integrated electrode films and structural materials.
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 other metals.
2. MoSi2 and other reactive metal silicides, such as WSi2, TaSi2, Ti5Si3, WSi2, TaSi2, etc. are used in the microelectronics sector. are key candidate materials for large-scale integrated gate and interconnect film production.
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 and powder Over 12 years’ experience in chemical products 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