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Wyszukujesz frazę "molten salts" wg kryterium: Temat


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Tytuł:
Electrorefining of High Carbon Ferromanganese in Molten Salts to Produce Pure Ferromanganese
Autorzy:
Xiao, S.J.
Liu, W.
Gao, L.
Zhang, J.
Powiązania:
https://bibliotekanauki.pl/articles/353411.pdf
Data publikacji:
2017
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
high carbon ferromanganese
electrorefining
molten salts
pure ferromanganese
Opis:
High carbon ferromanganese is used as a starting material to prepare pure ferromanganese by electrorefining in molten salts. High carbon ferromanganese was applied as the anode, molybdenum was the cathode and Ag/AgCl was the reference electrode. The anodic dissolution was investigated by linear polarization in molten NaCl-KCl system. Then potentiostatic electrolysis was carried out to produce pure ferromanganese from high carbon ferromanganese. The cathodic product was determined to be a mixture of manganese and iron by x-ray diffraction (XRD). The content of carbon in the product was analyzed by carbon and sulfur analyzer. The post-electrolysis anode was characterized by scanning electron microscope (SEM). The mechanism of the anode dissolution and the distribution of the main impurity of carbon and silicon after electrolysis were discussed.
Źródło:
Archives of Metallurgy and Materials; 2017, 62, 3; 1505-1509
1733-3490
Pojawia się w:
Archives of Metallurgy and Materials
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Effect of Diffusion Annealing on Borides Layers Produced on XC38 Steel
Autorzy:
Rayane, K.
Allaoui, O.
Allaoui, A.
Powiązania:
https://bibliotekanauki.pl/articles/1031131.pdf
Data publikacji:
2017-09
Wydawca:
Polska Akademia Nauk. Instytut Fizyki PAN
Tematy:
boriding
molten salts
annealing diffusion
XC38 steel
Opis:
In this work, we present a study of the effect of diffusion annealing at 700°C for 1 h on the nature and properties of boride layers obtained on XC38 steel through a molten salt consisting of borax (Na₂B₄O₇) and boron carbide (B₄C). We evaluated the changes brought by the diffusion annealing on the morphology of the boride layer, the thickness of this layer, the distribution of elements in the steel, and the hardness. Comparing the results obtained allowed concluding that the diffusion annealing will completely transform the two-phase layer formed of FeB and Fe₂B borides in a single-phase layer consisting of single boride Fe₂B. The transformation of the two-phase boride into a single-phase boride is done with an increase in thickness of about 30% compared to the initial thickness of the sample. The values of Si concentration obtained in the underlying zone after the diffusion annealing treatment are more important than those obtained in the same underlying zone of samples borided directly by immersion in molten salt consisting of borax and silicon carbide (SiC).
Źródło:
Acta Physica Polonica A; 2017, 132, 3; 521-523
0587-4246
1898-794X
Pojawia się w:
Acta Physica Polonica A
Dostawca treści:
Biblioteka Nauki
Artykuł
    Wyświetlanie 1-2 z 2

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