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Ensinger PEI

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Reade Advanced Materials Magnesium Diboride (MgB2)
Categories: Ceramic; Boride

Material Notes: Magnesium diboride (MgB2) is an inexpensive and simple superconductor. Its critical temperature (Tc) of 39 K (-234 °C; -389 °F) is the highest amongst conventional superconductors. It has high hardness, an extreme melting point, and chemical inertness.

Information provided by Reade Advanced Materials.

Key Words: Magnesium Boride, MgB2
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Physical PropertiesOriginal ValueComments
Density 4.52 g/cc
Molecular Weight 45.93 g/mol
 
Mechanical PropertiesOriginal ValueComments
Hardness, Knoop 1800
Poissons Ratio 0.10 - 0.15
 
Electrical PropertiesOriginal ValueComments
Electrical Resistivity 0.000 ohm-cm
@Temperature -236 °C
Critical Superconducting Temperature 37.0 - 39.0 K
 
Thermal PropertiesOriginal ValueComments
Thermal Conductivity 25.0 W/m-K
Melting Point 2970 °C
 
Descriptive Properties
EINECS-No2345012
Typical Purity (%)99Calcium < 600 ppm

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