ShareELECTRICAL RESISTANCE OF SCREW-FASTENED THERMAL JOINTS FOR ULTRA-LOW TEMPERATURES.
Author(s) : OKAMOTO T.
Type of article: Article
Summary
ELECTRICAL RESISTANCE MEASUREMENTS AT 4.2 K HAVE BEEN MADE FOR VARIOUS SCREW-FASTENED THERMAL JOINTS USED AT ULTRA-LOW TEMPERATURES BELOW 100 MICROK. THE MEASURED CONTACT RESISTANCE FOR A GOLD-PLATED JOINT VARIED IN INVERSE PROPORTION TO A TIGHTENING TORQUE OF THE SCREW. WITH A MAXIMUM TIGHTENING TORQUE FOR A 4-MMSTAINLESS-STEEL SCREW, SEVERAL TYPES OF THE JOINTS REVEALED TO HAVE CONTACT RESISTANCES BELOW 10 NANO-OHMS.
Details
- Original title: ELECTRICAL RESISTANCE OF SCREW-FASTENED THERMAL JOINTS FOR ULTRA-LOW TEMPERATURES.
- Record ID : 1991-0584
- Languages: English
- Source: Rev. sci. Instrum. - vol. 61 - n. 4
- Publication date: 1990
- Document available for consultation in the library of the IIR headquarters only.
Links
See the source
Indexing
- Themes: Thermodynamic measurements
- Keywords: Cryotemperature; Measurement; Thermometry; Electrical resistance
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