Journal of the Japan Institute of Metals
Online ISSN : 2433-7501
Print ISSN : 0369-4186
ISSN-L : 0369-4186
On the Thermal and Electrical Conductivities of Metals and Alloys at Low Temperatures. [IV] On some Heat-Resistant Alloys
Shin'ichi AoyamaTunezô Itô
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1940 Volume 4 Issue 2 Pages 40-42

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Abstract
The thermal and electrical conductivities of 6 kinds of commercial heat-resistant alloys were measured in the boiling nitrogen bath. From the present results and. those obtained previously at high temperatures, the following facts were derived. (1) The temperature coefficient of thermal conductivity is positive for these heat-resistant alloys. (2) Whereas Lorenz-ratios converge a little larger value than the theoretical one at high temperatures, they increase larger at lower temperatures. (3) The thermal conductivity of one of them (Ni-Cr-W-Steel) is nearly 1/100 of that of copper at the same temperature.
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