THERMOELECTRIC STABILITY OF Pt-Rh THERMOCOUPLES. Milestone No. 1 Report
Technical Report
·
OSTI ID:4000257
Pt--Rh thermocouples were tested under continuous and temperature cycling conditions. Noble-metal-sheathed thermocouples were found to be mechanically reliable in the temperature range of 2500 to 2600 deg F for 542 hr snd to withstand 1,315 thermal cycles with thermal shock times of 40 sec through the 2500 to 1000 deg F range. However, the thermoelectric stability of sheathed thermocouples was poor due to volatilization of Rh and Pt. One configuration (Duax) shows promise of maintaining the required stability. (D.L.C.)
- Research Organization:
- General Electric Co. Aircraft Nuclear Propulsion Dept., Cincinnati
- NSA Number:
- NSA-15-019979
- OSTI ID:
- 4000257
- Report Number(s):
- TID-11751; XDC-60-12-28
- Country of Publication:
- United States
- Language:
- English
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