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The Applications of Molybdenum Silicide


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Molybdenum Silicide



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Molybdenum Disilicide is an organic compound with the chemical composition MoSi2. It is a gray metallic liquid. Although insoluble in many acids, it is soluble in nitric acid and hydrofluoric acid. Both the radii and electronegativities of these atoms do not differ much. They also have properties that are similar to metals or ceramics. Molybdenum Disilicide can be made electricallyconductive at high temperatures. A passivation layer with silicon dioxide can then be placed on the surface. This will prevent any further oxidation. It can be used as a high-temperature antioxidation coating material, electric heating element films, structural materials and reinforcing agents of composite materials.


Molybdenum Siicide:


MoSi2 (intermediate phase) is the most silicon-rich in the MoSi binary alloy system. This is a Dalton-type, intermetallic compound having a fixed structure. This high-temperature material has great performance because of its dual qualities as a metal and ceramic. Excellent high temperature oxidation resistance. It can withstand temperatures up to 1600 degrees Celsius, equivalent to SiC. MoSi is soft and malleable, like metal. MoSi is used primarily as heating elements in integrated circuits, heat-resistant coatings on high temperature structures and for 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 not soluble or soluble with common mineral acids such as aqua regia, but it can be dissolved in mixed acids of hydrofluoric and nitric acids. It can be used to heat elements in high-temperature (1700), oxidizing environments due to its high-temperature resistance.

An oxidizing atmosphere forms a protective layer on the surface dense quartz glass (SiO2) that has been heated to high temperatures. It prevents continuous molybdenum diilicide oxidation. SiO2 fused with SiO2 at 1710degC is what forms a protective coating. The action of expanding its surface causes it to lose its protective power. The oxidant acts on the element and forms a protective coating. The element can not be used at temperatures between 400 and 700 degrees C for long periods due to its strong oxidation.


Molybdenum Silicide Properties

Alternative Names
molybdenum powder, MoSi2 disilicide

12136-78-6

Compound Formula
MoSi2

Molecular Weight
152.11

Appearance
Gray powder 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

Thermo Conductivity
66.2 W/m-K (23 degC)

Thermal Expansion
N/A

Vickers Hardness
900-1200

Young’s Module
N/A

Exact Mass
153.859261


Molybdenum Silicon MoSi2 MoPowder CAS 12136-78-6


Molybdenum Silicide:


You can use molybdenum disilicide in high-temperature anti-oxidation materials, electric heating element elements, structural materials and reinforcing agents of composite materials. Wear-resistant materials are also used.

1. Electric heating elements for the energy chemical industry, high temperature heat exchanging devices of atomic reactors, gas burners, thermocouples with protective tubes and melting vessels, and crucibles for melting sodium, lithium and lead.

2. MoSi2 and the other refractory metallic silicides, WSi2, TaSi2, are used in microelectronics. They are good candidates materials to make large-scale interconnect films and integrated circuit gates.

3. Aerospace: It has been thoroughly researched and used as a high temperature antioxidation coating. This material is especially useful for components of turbine engines such as propellers, blades and impellers.

4. Automotive Industry: Engine parts, turbochargers, valve bodies and spark plugs.


Molybdenum Silicide’s main supplier


Luoyang Trunnano Tech Co., Ltd. is an expert


silicide dust


Over 12 years’ experience in developing and researching chemical products. You can pay by Credit Card, T/T or West Union. Trunnano ships goods by FedEx or DHL to overseas customers by air and sea.

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