What is Molybdenum Disilicide Used For?

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Molybdenum diilicide MoSi2 a type intermediate phase with the highest level of silicon in Mo-Si binaural alloy system. It is a Dalton intermetallic compound of fixed composition. It has both the characteristics of ceramic and metal, and is an excellent material for high temperatures. MoSi2 exhibits good resistance to oxidation at high temperature. The oxidation temperature can reach 1600. This is very similar to SiC. It has a moderate density (6.24g/cm3). It also has a low thermal extension coefficient (8.1×10-6 K-1), high electrothermal conductivity, good ceramic-like hardness, and brittleness at temperatures below the higher, brittle-ductile, transition temperature (1000). It exhibits a soft plasticity that is metal-like above 1000. MoSi2 can be used in a variety of applications, including integrated circuits, heating elements, and high-temperature oxidation resistance coatings.
MoSi2 contains silicon and molybdenum bonded with metal bonds. In MoSi2, silicon and silicon can be connected by covalent bond. Molybdenum disilicide, a gray, tetragonal crystal, is also present. It is insoluble with most mineral acids (including aqua regia), but it is soluble in a mixture between nitric and hydrofluoric acids. It is capable of oxidation resistance at high temperatures, and can be used to heat elements in an oxidation environment at high temperature (1700).

What’s Molybdenum Disilicide used for?
Molybdenum diicide is used for high temperature antioxidation coating materials, integrated electrode films and structural materials. Specifically:
Energy chemical industry: Electric heating elements, high heat exchangers of nuclear reactor devices, gas burners. High temperature thermocouples with their protective tubes. Melting vessel crucibles (for melting tin, sodium, lead, bismuth and other metals).
Industries in microelectronics: MoSi2 is an important candidate material for large-scale interconnect and gate films in large-scale integrated Circuits.
Aerospace industry: The application and research into high temperature antioxidation coating material for aerospace has been extensive. It is used as a material for components of turbine engine components such as blades. impellers. burners. tail nozzles. sealing devices.
Automotive industry: engine parts, turbochargers, valve bodies and spark plugs.

What restrictions does MoSi2 impose?
MoSi2 is low in toughness below 1000°C. This means that the material becomes plastic only at higher temperatures.
It is also susceptible to creeping at temperatures exceeding 1200 degrees Celsius.

Molybdenum disilicide MoSi2 MoSi2 Powder price
Price is affected by many factors, including supply and demand in a market, industry trends and economic activity.
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Molybdenum disilicide MoSi2 MoSi2 Powder supplier
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