Aluminium Alloys for Space Applications:. Low Temperature Thermal Conductivity of A6061-T6 and A1050

Details Aluminium Alloys for Space Applications:. Low Temperature Thermal Conductivity of A6061-T6 and A1050 Aluminium Alloys for Space Applications:. Low Temperature Thermal Conductivity of A6061-T6 and A1050

Jul 2004

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2004apsp.conf..541b&link_type=abstract

ASTROPARTICLE, PARTICLE AND SPACE PHYSICS, DETECTORS AND MEDICAL PHYSICS APPLICATIONS. Proceedings of the 8th Conference. Held 6

Physics

Medical Physics

Scientific paper

We have investigated the thermal conductivity of A6061T6 and A1050 Aluminium alloys, candidate materials for the cryostructure of PLANK telescope in the 4.2-70 K range. For both, the thermal conductivity is well represented by k(T) = T/(a + bT3) with a6061 = 0.445 ± 0.005 [K2m/W], b6061 = (4.9 ± 0.5) · 10-7 [m/KW], a1050 = 0.0546±0.0005 [K2m/W], b1050 = (5.3±0.2) · 10-7 [m/KW]. The contribution a/T to the thermal resistivity is due to electron-impurity scattering and bT2 comes from electron-phonon scattering processes.

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