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Molybdenum disilicide

Catalog Number
ACM12136786
CAS Number
12136-78-6
Product Name
Molybdenum disilicide
Structure
Category
3D Printing Materials; Evaporation Materials; Thermoelectric Materials
Molecular Weight
152.1g/mol
Molecular Formula
MoSi2
Canonical SMILES
[Si]=[Mo]=[Si]
InChI
InChI=1S/Mo.2Si
InChI Key
YXTPWUNVHCYOSP-UHFFFAOYSA-N
Application
Molybdenum disilicide (MoSi2) is a ceramic material known for its exceptional high-temperature oxidation and corrosion resistance, making it ideal for several advanced applications. With a high melting temperature of 2200°C and impressive thermal durability, it serves as a substrate material for thermophotovoltaics and as a protective coating for carbon-carbon composites, particularly in aerospace and thermonuclear fusion. MoSi2's ability to withstand temperatures between 1200 and 1600°C opens up possibilities within these demanding environments. However, challenges exist due to its lack of ductility at temperatures up to 1000°C and reduced high-temperature strength caused by a silicon-rich grain boundary phase. These issues are being addressed through research, including the addition of carbon to enhance its properties. MoSi2's potential in high-stress, high-temperature applications makes it a valuable material in various advanced technologies.
Complexity
18.3
Covalently-Bonded Unit Count
1
EC Number
235-231-8
Exact Mass
153.859257g/mol
Formal Charge
0
Heavy Atom Count
3
Monoisotopic Mass
153.859257g/mol
Rotatable Bond Count
0
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