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  <doc>
    <id>2466</id>
    <completedYear/>
    <publishedYear>2023</publishedYear>
    <thesisYearAccepted/>
    <language>eng</language>
    <pageFirst>44</pageFirst>
    <pageLast>48</pageLast>
    <pageNumber/>
    <edition/>
    <issue/>
    <volume>2023</volume>
    <type>article</type>
    <publisherName/>
    <publisherPlace/>
    <creatingCorporation/>
    <contributingCorporation/>
    <belongsToBibliography>1</belongsToBibliography>
    <completedDate>--</completedDate>
    <publishedDate>--</publishedDate>
    <thesisDateAccepted>--</thesisDateAccepted>
    <title language="eng">Inter‑laboratory Comparison on Thermal Diffusivity Measurements by the Laser Flash Method at Ultra‑high Temperature</title>
    <abstract language="eng">thermal diffusivity measurements by the laser flash method in the temperature range&#13;
from 23 °C to 3000 °C. The main objective was to assess the variability and coherency&#13;
of thermal diffusivity measurements performed at ultra-high temperatures at&#13;
the European level. Three refractory materials (molybdenum, tungsten and isotropic&#13;
graphite IG210) were selected for this inter-laboratory comparison, due to their high&#13;
melting point. The disk-shaped specimens needed were machined from the same&#13;
blocks of materials in order to reduce any potential scattering of results between&#13;
participants due to inhomogeneity effects.&#13;
The homogeneity of the sets of specimens was studied by the pilot laboratory (LNE)&#13;
before launching the comparison process. Thermal diffusivity measurements were&#13;
then carried out by the seven participants on the three materials during two successive&#13;
thermal cycles up to the maximum temperatures that can be reached by the&#13;
devices used. The analysis of results showed a good agreement between the participants&#13;
for temperatures above 400 °C, with relative deviations within the uncertainties&#13;
of measurement and lower than ± 4 % for molybdenum, ± 5 % for isotropic&#13;
graphite and ± 9 % for tungsten.</abstract>
    <parentTitle language="eng">International Journal of Thermophysics</parentTitle>
    <identifier type="url">https://doi.org/10.1007/s10765-023-03159-5</identifier>
    <enrichment key="opus.source">publish</enrichment>
    <enrichment key="opus.doi.autoCreate">false</enrichment>
    <enrichment key="opus.urn.autoCreate">true</enrichment>
    <author>Bruno Hay</author>
    <author>Oliver Beaumont</author>
    <author>Nora Lambeng</author>
    <author>Michel Cataldi</author>
    <author>Christophe Lorrette</author>
    <author>Kevin Knopp</author>
    <author>Jürgen Hartmann</author>
    <author>Fabia Beckstein</author>
    <author>Dorothea Stobitzer</author>
    <author>Nenad Milošević</author>
    <author>Nenad Stepanic</author>
    <author>Jiyu Wu</author>
    <author>Petra Mildeova</author>
    <collection role="institutes" number="fe">Fakultät Elektrotechnik</collection>
    <thesisPublisher>Hochschule für Angewandte Wissenschaften Würzburg-Schweinfurt</thesisPublisher>
  </doc>
</export-example>
