Mass Production of High-Purity Iron Using Anion-Exchange Separation and Plasma Arc Melting |
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| Authors: | M Uchikoshi H Shibuya T Kékesi K Mimura M Isshiki |
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| Affiliation: | (1) Institute of Multidisciplinary Research for Advanced Materials, Tohoku University, Sendai, Japan;(2) Tanaka Chemical Corporation, Fukui, Japan;(3) Faculty of Materials Science and Engineering, University of Miskolc, Miskolc, Hungary |
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| Abstract: | High-purity Fe was manufactured using anion-exchange separation (AES), oxidation refining, and hydrogen-argon plasma arc melting.
As a result, the purity of Fe achieved 99.9993 mass pct. Two issues have been improved: the decrease in the refining efficiency
in AES was solved by the decrease in the flow rate, and W contamination during plasma arc melting was solved by the increase
in the cooling efficiency of W-ThO2 cathode. |
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