Thallous halide materials for use in cryogenic applications

Details Thallous halide materials for use in cryogenic applications Thallous halide materials for use in cryogenic applications

1980-12-05

1982-10-19

Capossela, Ronald C.

Refrigeration

Gas compression, heat regeneration and expansion, e.g.,...

165 10, 165133, 428696, F25B 900

Patent

active

043543553

ABSTRACT:
Thallous halides, either alone or in combination with other ceramic materials, are used in cryogenic applications such as heat exchange material for the generator section of a closed-cycle cryogenic refrigeration section, as stabilizing coatings for superconducting wires, and as dielectric insulating materials. The thallous halides possess unusually large specific heats at low temperatures, have large thermal conductivities, are nonmagnetic, and are nonconductors of electricity. They can be formed into a variety of shapes such as spheres, bars, rods, or the like and can be coated onto substrates.

REFERENCES:
patent: 3375867 (1968-04-01), Daunt
patent: 3377197 (1968-04-01), Erby et al.
patent: 3523574 (1970-08-01), Haskin
patent: 3950591 (1976-04-01), Bliemeroth et al.
patent: 4082138 (1978-04-01), Miedema et al.
patent: 4171464 (1979-10-01), Steyert

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