12136-78-6 Usage
Description
Molybdenum Silicide, also known as Molybdenum Disilicide (MoSi2), is a cermet (ceramic-metallurgical composite) that is dark-gray and crystalline in appearance. It possesses high-temperature oxidation and corrosion resistance, along with high stress-rupture strength. This product has been enhanced for energy efficiency and is not affected by air up to 1648°C. However, it is soluble in hydrofluoric and nitric acids and has poor ductility at temperatures up to 1000°C and poor high-temperature strength due to the presence of a grain boundary silicon-rich phase.
Uses
Used in Electrical Industry:
Molybdenum Silicide is used as an electrically conducting ceramic for heating elements operating at temperatures above 1,500°C in air. It is also used in electric furnaces, serving as a contact material in microelectronics.
Used in Electronics and Ceramics Industries:
Molybdenum Silicide is used as a material for very high-temperature structural applications, such as in protective coatings at high temperatures and engine parts in space vehicles.
Used in Glass and Steel Industries:
Molybdenum Silicide finds application in heat treatment materials, providing efficient energy use in these processes.
Used in Aerospace and Thermonuclear Fusion:
Molybdenum Disilicide (MoSi2) is used as a protective coating on carbon-carbon composites for potential applications in aerospace and thermonuclear fusion due to its high melting temperature (2200°C) and excellent oxidation resistance.
Used in Thermophotovoltaics:
MoSi2 can be used as a substrate material in the fabrication of thermophotovoltaics, taking advantage of its high-temperature properties and resistance.
Used as a Dry Lubricant:
Molybdenum Silicide serves as a dry lubricant in various industrial applications, providing reduced friction and wear under high-temperature conditions.
Industrial Uses:
High-temperature silicides, such as Molybdenum Disilicide, are a new class of materials with potential applications in the temperature range of 1200 to 1600°C. Recent research has shown that the problem of poor high-temperature strength may be solved by the addition of carbon to the material, further expanding its industrial applications.
Preparation
Molybdenum disilicide is a promising candidate material for high temperature structural applications. Molybdenum silicide is produced in much the same way as ferromolybdenum. A typical mix for the production of molybdenum silicide is 1,000pounds of molybdenum in oxide, 259 pounds of aluminum, 760 pounds of 90-percent ferrosilicon, 166 pounds of 50-percent ferro-silicon, 160 pounds of lime, and 50 pounds of high-grade fluorspar.
Hazard
MOLYBDENUM SILICIDE is Toxic material.
Flammability and Explosibility
Notclassified
Check Digit Verification of cas no
The CAS Registry Mumber 12136-78-6 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,2,1,3 and 6 respectively; the second part has 2 digits, 7 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 12136-78:
(7*1)+(6*2)+(5*1)+(4*3)+(3*6)+(2*7)+(1*8)=76
76 % 10 = 6
So 12136-78-6 is a valid CAS Registry Number.
InChI:InChI=1/Mo.S2/c;1-2/rMoS2/c1-3-2
