Nitriding of steels in molten nitrates
โ Scribed by L. S. Lyakhovich; G. G. Panich; Yu. N. Presman
- Publisher
- Springer US
- Year
- 1979
- Tongue
- English
- Weight
- 296 KB
- Volume
- 21
- Category
- Article
- ISSN
- 0026-0673
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๐ SIMILAR VOLUMES
Preliminary results on the electrochemical behaviour of copper in contact with fused NaNO,-KNO, at 250ยฐC are reported. Electrode-potential measurements and X-ray analysis indicate that films formed on the copper surface consist mainly of Cu,O. Passivation of copper is induced by anodic polarization.
The addition of silver nitrate to a caesium nitrate melt sometimes resulted in the formation of a dark-brown turbidity ; in these cases a drop of concentrated nitric acid was introduced into the melt, and the cell was evacuated to eliminate water and excess acid. Clear solutions were then obtained.