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Thermal conductivity of metals at high temperatures by the Jain and Krishnan method I. Nickel

S C Jain and T C Goel

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Precise conditions for the validity of the equations developed by Jain and Krishnan to determine the thermal conductivity of metals at high temperatures are obtained. Improvements and modifications in the techniques are suggested to secure the conditions for the validity of the equations and to improve the accuracy of the measurements. The improved method is used to measure the thermal conductivity, electrical conductivity and total and spectral emissivities of nickel in the temperature range 1150-1400°K.


PACS

72.15.Eb Electrical and thermal conduction in crystalline metals and alloys

78.20.Ci Optical constants (including refractive index, complex dielectric constant, absorption, reflection and transmission coefficients, emissivity)

Subjects

Condensed matter: electrical, magnetic and optical

Dates

Issue 5 (May 1968)

Received 11 September 1967



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