| DOI | Resolve DOI: https://doi.org/10.1098/rsta.2015.0044 |
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| Author | Search for: Woolliams, E. R.; Search for: Anhalt, K.; Search for: Ballico, M.; Search for: Bloembergen, P.; Search for: Bourson, F.; Search for: Briaudeau, S.; Search for: Campos, J.; Search for: Cox, M. G.; Search for: Del Campo, D.; Search for: Dong, W.; Search for: Dury, M. R.; Search for: Gavrilov, V.; Search for: Grigoryeva, I.; Search for: Hernanz, M. L.; Search for: Jahan, F.; Search for: Khlevnoy, B.; Search for: Khromchenko, V.; Search for: Lowe, D. H.; Search for: Lu, X.; Search for: Machin, G.; Search for: Mantilla, J. M.; Search for: Martin, M. J.; Search for: McEvoy, H. C.; Search for: Rougié, B.; Search for: Sadli, M.; Search for: Salim, S. G. R.; Search for: Sasajima, N.; Search for: Taubert, D. R.; Search for: Todd, A. D. W.1; Search for: Van den Bossche, R.; Search for: van der Ham, E.; Search for: Wang, T.; Search for: Whittam, A.; Search for: Wilthan, B.; Search for: Woods, D. J.1; Search for: Woodward, J. T.; Search for: Yamada, Y.; Search for: Yamaguchi, Y.; Search for: Yoon, H. W.; Search for: Yuan, Z. |
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| Affiliation | - National Research Council of Canada. Measurement Science and Standards
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| Format | Text, Article |
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| Subject | High-temperature fixed points; Thermodynamic temperature; Thermometry; Temperature scale; Kelvin; Eutectics |
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| Abstract | The thermodynamic temperature of the point of inflection of the melting transition of Re-C, Pt-C and Co-C eutectics has been determined to be 2747.84 ± 0.35 K, 2011.43 ± 0.18 K and 1597.39 ± 0.13 K, respectively, and the thermodynamic temperature of the freezing transition of Cu has been determined to be 1357.80 ± 0.08 K, where the ± symbol represents 95% coverage. These results are the best consensus estimates obtained from measurements made using various spectroradiometric primary thermometry techniques by nine different national metrology institutes. The good agreement between the institutes suggests that spectroradiometric thermometry techniques are sufficiently mature (at least in those institutes) to allow the direct realization of thermodynamic temperature above 1234 K (rather than the use of a temperature scale) and that metal-carbon eutectics can be used as high-temperature fixed points for thermodynamic temperature dissemination. The results directly support the developing mise en pratique for the definition of the kelvin to include direct measurement of thermodynamic temperature. |
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| Publication date | 2016-02-22 |
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| Publisher | The Royal Society |
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| In | |
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| Language | English |
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| Peer reviewed | Yes |
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| NPARC number | 23000081 |
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| Export citation | Export as RIS |
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| Report a correction | Report a correction (opens in a new tab) |
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| Record identifier | 73d31b55-8679-4ea9-b679-4fc585e8b76e |
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| Record created | 2016-06-02 |
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| Record modified | 2020-03-16 |
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