Alfa Aesar Silicon(IV) nitride, alpha-phase, 95%
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Alfa Aesar Silicon(IV) nitride, alpha-phase, 95%
MDL
MFCD00011230
EINECS
234-796-8
Chemical Properties
Formula
Si3N4 85% min (alpha form)
Formula Weight
140.28
Form
<10 Micron Powder, S.A. 5.0m2/g
Melting point
1900° subl.
Density
3.2
Storage & Sensitivity
Ambient temperatures.
Solubility
Insoluble in water.
Applications
Alfa Aesar Silicon(IV) nitride is used in the automobile industry as a material for engine parts such as diesel engines and glowplugs. It is used for rocker arm pads for lower wear in spark-ignition engines. Ceramics made from this show good shock resistance. Similarly bearings made from this find application in the main engines of NASAs space shuttle. It acts as an insulator and in the manufacture of integrated circuits.
Notes
Incompatible with strong oxidizing agents.