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Thermal conduction of metals under pressure
Umeå University, Faculty of Science and Technology, Physics.
Umeå University, Faculty of Science and Technology, Physics.
1976 (English)In: Review of Scientific Instruments, ISSN 0034-6748, Vol. 47, no 2, 177-182 p.Article in journal (Refereed) Published
Abstract [en]

It is shown that the original Ångström method of determining the thermal diffusivity of metals is not valid in the case of a specimen surrounded by a solid medium, and an appropriate modification is described. Several simplifications of this method are also presented and criteria for their validity given. An electronic system has been developed for automatic sampling and analysis of the temperature data. The new method has been applied to Cu under pressure, and the results show that the thermal conductivity rises by 6.4% up to 2.5 GPa (25 kilobar).

Place, publisher, year, edition, pages
American Institute of Physics , 1976. Vol. 47, no 2, 177-182 p.
Keyword [en]
High pressure, thermal diffusivity, thermal conductivity, Ångström's method, measurement techniques, copper, Cu
National Category
Condensed Matter Physics
Research subject
URN: urn:nbn:se:umu:diva-22430DOI: 10.1063/1.1134585OAI: diva2:216345
Available from: 2009-05-08 Created: 2009-05-08 Last updated: 2010-02-03

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Sundqvist, BertilBäckström, Gunnar
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