Inter-laboratory Comparison on Thermal Diffusivity Measurements by the Laser Flash Method at Ultra-high Temperature

被引：0
作者：
Bruno Hay
Olivier Beaumont
Nolwenn Fleurence
Nora Lambeng
Michel Cataldi
Christophe Lorrette
Kevin Knopp
Jürgen Hartmann
Fabia Beckstein
Dorothea Stobitzer
Nenad Milošević
Nenad Stepanić
Jiyu Wu
Petra Mildeova
机构：
[1] Laboratoire National de Métrologie et d’Essais,Institut za nuklearne nauke VINČA
[2] ArianeGroup S.A.,undefined
[3] Commissariat à l’énergie atomique et aux énergies alternatives,undefined
[4] University of Applied Science Würzburg-Schweinfurt,undefined
[5] Bavarian Center of Applied Energy Research,undefined
[6] NETZSCH-Gerätebau GmbH,undefined
[7] University of Belgrade,undefined
[8] National Physical Laboratory,undefined
来源：
International Journal of Thermophysics | 2023年 / 44卷
关键词：
High temperature; Inter-laboratory comparison; Laser flash method; Thermal diffusivity;
D O I：
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学科分类号：
摘要：
An inter-laboratory comparison has been performed between seven participants on thermal diffusivity measurements by the laser flash method in the temperature range from 23 °C to 3000 °C. The main objective was to assess the variability and coherency of thermal diffusivity measurements performed at ultra-high temperatures at the European level. Three refractory materials (molybdenum, tungsten and isotropic graphite IG210) were selected for this inter-laboratory comparison, due to their high melting point. The disk-shaped specimens needed were machined from the same blocks of materials in order to reduce any potential scattering of results between participants due to inhomogeneity effects.
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