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Electrical and thermal conductivities and magnetization of some austenitic steels, titanium and titanium alloys at cryogenic temperatures

✍ Scribed by O. Umezawa; K. Ishikawa

Publisher
Elsevier Science
Year
1992
Tongue
English
Weight
718 KB
Volume
32
Category
Article
ISSN
0011-2275

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✦ Synopsis

The electrical resistivities, magnetizations and thermal conductivities of some austenitic steels, titanium and titanium alloys were measured at cryogenic temperatures. For austenitic steels the electrical resistivity and thermal conductivity were relatively insensitive to the composition of the alloys, but the magnetic properties were more sensitive.

The electrical resistivity of unalloyed titanium was lower than that of austenitic steels.

Titanium alloys had a higher electrical resistivity and lower thermal conductivity than austenitic steels at low temperatures. The magnetic permeability of unalloyed titanium and titanium alloys at 4.2 K was extremely low. For Ti-6AI-4V alloys, however, the mill-annealed alloys and the aged alloy exhibited superconductivity at 4.2 K.

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