# Material Properties: Molybdenum

### Data Available:

• Thermal Conductivity
• Linear Expansion
 Thermal Conductivity UNITS W/(m-K) a 10.78259 b -72.13065 c 228.57351 d -384.50447 e 381.43825 f -228.83783 g 81.26658 h -15.69097 i 1.26814 data range 2-373 equation range 4-300 curve fit % error relative to data 3

 Curve fit equation of the form: log10 x = a+b(log10T) + c(log10T) 2 + d(log10T) 3 + e(log10T) 4 + f(log10T) 5 + g(log10T) 6 + h(log10T) 7 + i(log10T) 8 Solves as: x = 10 a+b(log10T) + c(log10T) 2 + d(log10T) 3 + e(log10T) 4 + f(log10T) 5 + g(log10T) 6 + h(log10T) 7 + i(log10T) 8 Where: Coefficients a - i are summarized in the appropriate table and T is the temperature in K (y-axis)

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 Linear Expansion .UNITS [(L-L293)/L293] x 105 unitless, eg. m/m a -90.912613 b -0.127173 c 0.00266801 d -5.0432E-06 e 3.5183E-09 Tlow (K) NA f> NA data range (K) 20-500K equation range (K) 20-350K curve fit % error relative to data 4
 equation of the form: x = a + bT + cT 2 + dT 3 + eT 4 >T > Tlow x = f T < Tlow solves as expected: Where: Coefficients a-e are summarized in the appropriate table and T is the temperature in K (y-axis), and x is property to solve for.

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