THERMOCOUPLES WITH ELECTRODES OF REFRACTORY CARBIDES FOR USE UP TO 3000 C
Journal Article
·
· High Temp.
OSTI ID:4102788
The preparation of NbC with graphite and Nb and Zr carbide electrodes for use up to 3000 deg C is described. The NbC--ZrC couple has some advantages over the NbC-- C; in particular, its response is more stable, especially after homogenization firing, which gives rise to a region of solid solution of the carbides. Also, graphite rods show marked changes in thermoelectric behavior at 2700-3000 deg C, presumably on account of very slow, continuing graphitization, which is usually not completed during manufacture. The design of a thermocouple in which the current leads are joined to the electrodes by screws or via copper rings deposited electrolytically on the ends is given. (P.C.H.)
- Research Organization:
- Inst. of Cermets and Special Alloys, Academy of Sciences, Ukrainian SSR
- NSA Number:
- NSA-18-012425
- OSTI ID:
- 4102788
- Journal Information:
- High Temp., Journal Name: High Temp. Vol. Vol: 1
- Country of Publication:
- Country unknown/Code not available
- Language:
- English
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