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Abstract: The transient hot-disk technique is the commercial method used to test the thermal conductivity, thermal diffusivity, and specific heat of solids. With the hot-disk instrument, a double spiral nickel sensor is sandwiched between two homogenous samples, and as the sensor pulses electrical currents through the sample, it simultaneously measures how long it takes for the temperature of the sample to increase. This method is typically used on glasses, insulating materials, and polymer composites.

Reference: CRC Press (2000) Chapter 33

DOI: N/A