High Temperature Material Processes: An International Quarterly of High-Technology Plasma Processes
Выходит 4 номеров в год
ISSN Печать: 1093-3611
ISSN Онлайн: 1940-4360
IF:
0.4
Immediacy Index:
0.1
Eigenfactor:
0.00005
JCI:
0.07
SJR:
0.198
SNIP:
0.48
CiteScore™::
1.1
H-Index:
20
Indexed in
MULTISTEP PROCESSES IN THE ELECTRODEPOSITION OF REFRACTORY METALS IN MOLTEN CHLORIDES
Том 4,
Выпуск 3, 2000,
14 pages
DOI: 10.1615/HighTempMatProc.v4.i3.110
Краткое описание
This paper deals with examples of complications arising during the electrodeposition process in molten salts of multivalent elements such as uranium, niobium and hafnium. The electroreduction process of U(IV), Nb(V) and Hf(IV) includes the intermediate formation of U(III), Nb(IV) and Hf(II) respectively, giving rise to secondary reactions such as disproportionation and adsorption. Each reaction of the overall process is characterized by using electrochemical criteria provided by chronopotentiometric and voltammetric measurements. Prereduction of U(IV) or addition of fluoride ions in the electrodeposition bath of hafnium have minimized the troubles due to these reactions.
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