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Thermal conductance of pressed aluminum and stainless steel contacts at liquid helium temperatures

Technical Report ·
OSTI ID:6545109
; ; ;
The thermal conductance of aluminum and stainless steel 304 sample pairs with surface finishes ranging from 0.1 to 1.6 microns rms roughness was investigated over a temperature range from 1.6 to 6.0 k. The thermal conductance follows a simple power law function of temperature, with the exponent ranging from 0.5 to 2.25, increases asymptotically with increasing applied force, and exhibits an anomaly for surface finishes in the 0.4 micron region.
Research Organization:
National Aeronautics and Space Administration, Moffett Field, CA (USA). Ames Research Center
OSTI ID:
6545109
Report Number(s):
N-87-19648; NASA-TM-86855; A-86033; NAS-1.15:86855
Country of Publication:
United States
Language:
English

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Related Subjects

36 MATERIALS SCIENCE
360103* -- Metals & Alloys-- Mechanical Properties
ALLOYS
ALUMINIUM
CHROMIUM ALLOYS
CHROMIUM STEELS
CHROMIUM-NICKEL STEELS
CORROSION RESISTANT ALLOYS
DATA
ELEMENTS
ENERGY TRANSFER
EXPERIMENTAL DATA
HEAT RESISTANT MATERIALS
HEAT RESISTING ALLOYS
INFORMATION
IRON ALLOYS
IRON BASE ALLOYS
LOW TEMPERATURE
MATERIALS
METALS
NICKEL ALLOYS
NUMERICAL DATA
PHYSICAL PROPERTIES
STAINLESS STEEL-304
STAINLESS STEELS
STEELS
SURFACE FINISHING
THERMAL CONDUCTIVITY
THERMODYNAMIC PROPERTIES