Thermal conductivity, thermal diffusivity, and specific heat of thin samples from transient measurements with hot disk sensors
Abstract
Transient measurements of thermal conductivity, thermal diffusivity, and specific heat capacity have been performed with hot disk sensors in thin samples of metallic materials. With this new variation of the hot disk method the sample size can be reduced to a volume less than ten cubic centimeters for copper at room temperature. It is also shown that the specific heat capacity can be conveniently measured in transient recordings of slightly longer duration. On comparing with standard values the accuracy turns out to be better than 1% while the precision (standard deviation of the mean from six measurements) on the average is about 0.5% for all values recorded.
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TPS methods can be extended to study slab materials, thin film specimens (dimensions < d), and anisotropic materials, in addition to isotropic bulk materials and fluids.
“In addition to isotropic bulk materials, 1, 10, 11 and fluid, 12, 13 the TPS methods can be extended to study slab materials, thin film specimens (dimensions < d ) and anisotropic materials. 14”
From Analysis and improvement of the hot disk transient plane source method for low thermal conductivity materials (2020) · cites this paper as [14]
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Zheng, Q., Kaur, S., Dames, C., & Prasher, R. S. (2020) · International Journal of Heat and Mass Transfer · doi:10.1016/j.ijheatmasstransfer.2020.119331 · Cited by 162 · see citing works
“8 anisotropic materials.(14) As an absolute technique, the TPS method is also easy to implement as it does not require extra thermal calibration steps before measuring the sample of interest.”
MethodAn improved platinum probe used for transient plane source method at cryogenic temperatures
Zhao, P., & Wang, Q. (2025) · Applied Thermal Engineering · doi:10.1016/j.applthermaleng.2025.126207 · Cited by 1 · see citing works
- Authors
- Gustavsson, M., Karawacki, E., & Gustafsson, S. E.
- Affiliations
- Chalmers University of Technology (SE)
- Venue
- Review of Scientific Instruments
- Publisher
- AIP Publishing
- Published
- 1994-12-01
- Volume
- 65
- Issue
- 12
- Pages
- 3856-3859
- ISSN
- 0034-6748 (ISSN-L)
- 1089-7623
- OpenAlex
- W1967668987
- Cited by
- 385
- References
- 0
- Citations by year
- 2026: 21 · 2025: 14 · 2024: 19 · 2023: 17 · 2022: 25 · 2021: 26 · 2020: 27 · 2019: 29 · 2018: 18 · 2017: 23 · 2016: 22 · 2015: 19 · 2014: 19 · 2013: 16 · 2012: 12
- FWCI
- 0.00
- Type
- journal article
- Language
- en
- Open access
- closed
- Locations
- Review of Scientific Instruments (publishedVersion)
- Topics
- Physical Sciences › Materials Science › Materials Chemistry › Thermal properties of materials
- Physical Sciences › Engineering › Mechanics of Materials › Thermography and Photoacoustic Techniques
- Physical Sciences › Engineering › Computational Mechanics › Heat Transfer and Numerical Methods
- Keywords
- thermal conductivity, thermal diffusivity, specific heat, hot disk method, transient thermal measurement, thin samples, copper, metals, precision and accuracy
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