Chromium

 

Updated 12/23/02

Chromium can be used as a conductor, but it is not as conductive as some of the other metals. It is often used as a adhesion metal in thin films, between the ceramic substrate and the gold traces. Without this element, the 1950's would not have been possible!

Formula or Composition: Cr
Bulk Resistivity: 18 -cm
Temperature Coefficient of Resistivity (TCR): 5.9 ppm/°C
Mass Density: 7.1 gr/cc
Heat Capacity: 449.0 J/g/°C
Thermal Conductivity (k): 91.3 W/m°C
Temperature Coefficient of Expansion (TCE): 8.2 ppm/°C
Melting Point, °C: 1903 °C
Melting Point, °F: 3457 °F

 

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