Improving Quality of Alloys and Saving Alloying and Refining Additives While the External Cathode and Anode Are Exposed to the Melt in Constant Electric Field
Advances in Materials
Volume 5, Issue 6, December 2016, Pages: 66-72
Received: Dec. 3, 2016; Accepted: Dec. 19, 2016; Published: Jan. 10, 2017
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Harast Aliaxandr Ivanavich, Department of Metals and Materials, Belarusian State University of Technology, Minsk, Belarus
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Abstract
The advanced methods for the alloy composition regulation at some consumption of slag-forming additives are suggested. When implementing the proposed technology, the slag functions as a protector and electric conductor, and redox processes are determined by the magnitude and the applied potential function. The cathodic and anodic polarization of aluminum alloys in alundum and graphite crucibles is studied with the curves polarization method. The behavior of components of aluminum alloys is studied under external cathodic and anodic effects of the melt with a constant electric field. During the cathode polarization there is a significant decrease of Mg loss in the aging process of the melt; on the contrary, anodic polarization increases the loss in comparison with the melting without external electrochemical action. The content of iron and nickel under anodic polarity of the melt is not reduced if it is compared to the melting without electrochemical action due to passivation. The elements at the end of the electrochemical series are mostly protected. Thus, copper, under the cathodic polarization, and especially the anodic one is wasted less.
Keywords
Off-Furnace Treatment, Melting, Melt, Slag, Electrode Polarization, Anode Effect, Potential, Current Density
To cite this article
Harast Aliaxandr Ivanavich, Improving Quality of Alloys and Saving Alloying and Refining Additives While the External Cathode and Anode Are Exposed to the Melt in Constant Electric Field, Advances in Materials. Vol. 5, No. 6, 2016, pp. 66-72. doi: 10.11648/j.am.20160506.12
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Copyright © 2016 Authors retain the copyright of this article.
This article is an open access article distributed under the Creative Commons Attribution License (http://creativecommons.org/licenses/by/4.0/) which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
References
[1]
Korotckevich, A. V. Innovation Facilities in the Republic of Belarus A. I. Korotkevich, A. V. Kozlov, D. V. Shparun // Science and Innovations-2015. – № 11 (153)–P. 37–42 (in Russian).
[2]
Honcharov V. Scietific breakthrough: problems of choice and implementation/. V. Honcharov // Science and Innovations – 2015. – № 1 (143). – P. 43–47. (in Russian).
[3]
Harast, A. I. Carbon iron alloys: structure formation and properties/ A. I. Harast. – Minsk: Belarus. Navuka, 2010. – 252 p. (in Russian).
[4]
Harast, A. I., Mazets A. F. “Method of Iron Smelting”: Invention Patent of RB № 15409, 27.10.2011 (confirmed 29.07.2011) application а20100921, 17.06.2010 (IPC(2006.01) C21C1⁄00, C21C7⁄00, C25C7⁄00). (in Russian).
[5]
Harast, A. I. Chemical Baling of Oily Cast Iron Turnings and Use of Bales to Substitute Expensive and Scarce Scrapes / A. I. Harast // International Journal of Materials Science and Applications. – 2013. – Vol. 2, No. 6. – PP. 194–203. doi: 10.11648/j.ijmsa.20130206.15.
[6]
Harast, A. I. Modification and Microalloying of Iron Carbon Alloys Using Industrial Polymer Scrapes / A. I. Harast // Journal of Current Advances in Materals Sciences Research (CAMSR). – 2014. – Vol. 1, Issue 3. – PP. 66–74. www.vkingpub.com/journal/camsr/© American V-King Scientific Publishing.
[7]
Harast, A. I. The Casting Technologies Focused on the Use of Industrial Waste and Semiprocessed Products Related to Engineering Industries / A. I. Harast // Journal of Multidisciplinary Engineering Science and Technology (JMEST), ISSN: 3159-0040.–2015. – Vol. 2 Issue 5. – PP. 914–918.
[8]
Harast, A. I. Formation Mechanism Of Wear Resisting Surface Layer On Cast Iron Moulds By Direct Surface Alloying / A. I. Harast // Journal of Multidisciplinary Engineering Science and Technology (JMEST), ISSN: 3159-0040.–2015. – Vol. 2 Issue 9. – PP. 2591–2598.
[9]
Kalmykov, V. A. Impact of thermoionic properties of slag on interphase processes in the system Gas-Slag- Metal / V. A. Kalmykov, P. Ja. Ageev // / High school news bulletin. Iron Industry. [Izv. vuzov. Chernaja metallurgija].–1969. – № 8. – P. 10–13. (in Russian).
[10]
Paton, B. E., Metallurgy of electroslag process / B. E. Paton, B. I. Medovar. Kiev: Navukova dumka, 1986.–247 p.
[11]
Esin, О. А. Physical chemistry of pyrometallurgical processes. P. 2 / О. А. Esin, P. V. Gel'd. – М.: Metallurgija, 1966.–704 p. (in Russian).
[12]
Grjotheim, K. Aluminium electrolysis / К. Grjotheim, С. Krohn, М. Malinovski. – Dusseldorf: AluminiumVerlagCmbH, 1982.–630 p.
[13]
Haupin, W. E. Electrometallurgy of aluminium. / W. E. Haupin, W. B. Frank // Comprehensive treatise electrochemistry. – New York–London: Plenum Press.–1981. – Vol. 2. – Р. 301–325.
[14]
Vetjukov, М. М. Electrometallurgy of Aluminium and Magnesium / M. M. Vetjukov, A. M. Cyplakov, S. N. Shkol'nikov. – M.: Metallurgija, 1987.–320 p. (in Russian).
[15]
Esin, О. А. Concentration polarization under high temperatures / О. А. Esin, G. А. Тоporischev // Journal of Physical Chemistry. – 1957. – № 2. – P. 51–54. (in Russian).
[16]
Ion exchange rate between liquid iron oxide melt / A. A. Plyshevskij, A. I. Sotnikov, O. A. Esin, L. N. Barmin // Electrochemistry. [Jelektrohimija].– 1968. – № 3. – P. 304–306. (in Russian).
[17]
Delimarskij, Ju. K. Kinetics of electrode processes in the melted salts / Ju. K. Delimarskij // Physical Chemistry of the melted salts and slags: International conference on physical chemistry. [tr. Vsesojuz. soveshh. po fiz. himii rasplavl. solej i shlakov], Sverdlovsk, 22–25 nov., 1960 / Academy of Sciences of the USSR, Ural Inst. of Electrochemistry [Akad. nauk SSSR, Ural. fil., In-t jelektrohimii]. – М., 1962. – P. 7–21. (in Russian).
[18]
Antipin, L. N. Electrochemistry of the melted salts L. N. Antipin, S. F. Vazhenin. – M.: Metallurgizdat /, 1964.–365 p. (in Russian).
[19]
Bajmakov, Ju. V. Electrolysis of the melted salts / Ju. V. Bajmakov, M. M. Vetjukov. – M.: Metallurgizdat 1965.–560 p. (in Russian).
[20]
Popel', S. I., Theory of metallurgical processes: textbook for higher institutions S. I. Popel', A. I. Sotnikov, V. N. Boronenkov. – M.: Metallurgija /, 1986.–463 p. (in Russian).
[21]
Interaction of the melt metal, gas, and slag: textbook / S. I. Popel', Ju. P. Nikitin, L. A. Barmin et al. – Sverdlovsk: UPI, 1975.–184 p. (in Russian).
[22]
Delimarskij, Ju. K. Electrochemistry of ionic melts / Ju. K. Delimarskij. – M.: Metallurgija, 1978.–248 p. (in Russian).
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