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Interaction Parameter e O C for Carbon‐saturated Liquid Iron between 1623 and 1723 K
Author(s) -
Kashiwaya Y.,
Hasegawa M.,
Niitani H.,
Kakinuma T.,
Iwase M.
Publication year - 2010
Publication title -
steel research international
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.603
H-Index - 49
eISSN - 1869-344X
pISSN - 1611-3683
DOI - 10.1002/srin.200900140
Subject(s) - carbon fibers , electrolyte , oxygen , analytical chemistry (journal) , electrochemistry , materials science , cubic zirconia , chemistry , metallurgy , electrode , chromatography , composite material , organic chemistry , ceramic , composite number
In order to derive the values of the interaction parameter, $e_O^C$ , in carbon‐saturated {Fe‐C} liquid alloys, as defined below;$$\log \,h_O = \log [\%{\rm O}] + e_O^C [\%{\rm C}]_{{\rm Sat}} ,$$ an electrochemical technique incorporating zirconia solid electrolyte was applied for the direct measurements of the Henrian activities of oxygen, h O , between 1623 and 1723 K, while the concentrations of oxygen and carbon in pct by weight, [%O] and [%C] Sat , respectively, were determined by using a conventional LECO analyzer. The results can be summarized as$$e_O^C = - 0.17 \pm 0.02\;{\rm and}\;[\%{\rm O}] = 7.1\,h_O$$
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