NDLI: Interlaboratory Test on Thermophysical Properties of the ITER Grade Heat Sink Material Copper–Chromium

Content Provider	Springer Nature Link
Author	Pintsuk, G. Blumm, J. Hohenauer, W. Hula, R. C. Koppitz, T. Lindig, S. Pitzer, D. Rohde, M. Schoderböck, P. Schubert, T. Tietz, F. Wouters, O.
Copyright Year	2010
Abstract	Copper–chromium–zirconium (CuCrZr) is a commercially available, precipitation-strengthened alloy. The combination of its good thermal conductivity and mechanical strength at low and moderate temperatures made it of interest for use as a heat sink material in high heat flux components in actual and future fusion facilities. Its only drawback is the microstructural modification and thereby, particularly, the loss of mechanical strength at temperatures above 500 °C. This limits the allowable operational temperatures and the temperature range in which cyclic and reproducible measurements of thermophysical properties can be performed. These difficulties and the international significance of the material makes it an excellent object of study for an interlaboratory test of several independent European thermophysical laboratories, in which the quality and the comparability of thermophysical measurements were determined. The main outcome (result, conclusion) of this study is that the different laboratory data are in good agreement providing maximum deviations of ~5 % for dilatometry, ~2 % for DSC measurements, and up to 10 % for thermal-diffusivity measurements. In addition to the determined high reproducibility within the particular thermophysical laboratories, it was found that the average thermal conductivity of CuCrZr produced in a certain compositional range is identical within a small-scatter band.
Starting Page	2147
Ending Page	2158
Page Count	12
File Format	PDF
ISSN	0195928X
Journal	International Journal of Thermophysics
Volume Number	31
Issue Number	11-12
e-ISSN	15729567
Language	English
Publisher	Springer US
Publisher Date	2010-10-26
Publisher Place	Boston
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Calorimetry CuCrZr Dilatometry ITER Laser flash Physical Chemistry Mechanics Condensed Matter Physics Industrial Chemistry/Chemical Engineering
Content Type	Text
Resource Type	Article
Subject	Condensed Matter Physics

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