๐”– Bobbio Scriptorium
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Thermal conductance of pressed bimetallic contacts at liquid nitrogentemperatures

โœ Scribed by Peter Kittel; Louis J. Salerno; Alan L. Spivak

Publisher
Elsevier Science
Year
1994
Tongue
English
Weight
287 KB
Volume
34
Category
Article
ISSN
0011-2275

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โœฆ Synopsis

The thermal conductance of one aluminum and one stainless steel pressed metal contacts has been measured near 77 K, with applied forces from 8.9 N to 267 N. Both 5052 or 5083 aluminum were used as the upper contact. The lower contact was 304L stainless steel. The thermal conductance is linear in temperature over the range of measurement and ranged from roughly 9 to 21 mW/K. There is no difference in conductance between the two aluminum alloys. Extrapolating the data to zero applied force does not result in zero thermal conductance. A possible cause of this anomalous effect is discussed.

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