Abstract
The specific heat and thermal expansion (⇒ bulk density) of the SRM 1460 series austenitic stainless steel have been measured with the intent of converting this material to a thermal diflusivity standard. These data, along with the recommended NIST values of thermal conductivity, were used to compute the thermal diflusivity between −100 and 875°C. The estimated uncertainties in the computed thermal diffusivity values are 3.9% between −100 and 25°C and 5.6% above 25°C. In addition, the thermal diffusivity was measured directly and compared with the computed data. The deviations between the two data sets are generally less than 3.0% between 50 and 850°C.
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Paper presented at the Thirteenth Symposium on Thermophysical Properties, June 22–27, 1997, Boulder, Colorado, U.S.A.
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Henderson, J.B., Giblin, F., Blumm, J. et al. SRM 1460 Series as a Thermal Diffusivity Standard for Laser Flash Instruments. Int J Thermophys 19, 1647–1656 (1998). https://doi.org/10.1007/BF03344916
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DOI: https://doi.org/10.1007/BF03344916