THE SURFACE PROPERTIES OF CaF$sub 2$-BASED MELTS (in Russian)
Journal Article
·
· Doklady Akademii Nauk SSSR (U.S.S.R.) English translation currently published in a number of subject-oriented journals
OSTI ID:4749182
Previous studies on the dependence of the surface tension, sigma , measured by the sessile drop method, on the composition of the melt pointed to a marked parallelism between sigma and the ion reaction of O(N/sub o/2-) in the case of CaF/sub 2/ 1550 deg C. Addition of 26 wt % of CaO to the Caf/sub 2/ increased the value of sigma from 280 to 315 erg/cm/sup 2/. The measurements were carried out by determining the potential of the cell nical N/sub 2/ atmosphere. Results indicated that the surface potential of melts containing 26% CaO is more electronegative by 28 mv than that of CaF/sub 2/. Study of the electrocapillary motion of metallic drops in the oxide-fluoride melt toward the anode indicated that the surface of the metal had a negative charge. Thus, exchanging F/sup -/ for O/sup 2-/ ions reduces the negative charge of the metal surface. (TTT)
- Research Organization:
- Kirov Ural Polytechnic Inst., USSR
- NSA Number:
- NSA-17-014872
- OSTI ID:
- 4749182
- Journal Information:
- Doklady Akademii Nauk SSSR (U.S.S.R.) English translation currently published in a number of subject-oriented journals, Journal Name: Doklady Akademii Nauk SSSR (U.S.S.R.) English translation currently published in a number of subject-oriented journals Vol. Vol: 148; ISSN DANKA
- Country of Publication:
- Country unknown/Code not available
- Language:
- Russian
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