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Nanosystems: Physics, Chemistry, Mathematics, 2019, Volume 10, Issue 6, Pages 725–732
DOI: https://doi.org/10.17586/2220-8054-2019-10-6-725-732 (Mi nano490) 		 
CHEMISTRY AND MATERIAL SCIENCE

Experimental evaluation of chemical resistance of steatite products towards aluminum-based melts

N. K. Orlova, D. A. Kozlova, S. A. Tikhonovaa, A. A. Tikhonova, A. V. Garshevab, P. V. Evdokimovba, V. I. Putlayevab, A. A. Vasyakovc, A. V. Chetvertukhinc, A. K. Petrovc, I. Yu. Mikhailovd, S. V. Polyakovef, A. A. Fedyaninc

a Faculty of materials science, Lomonosov Moscow State University, Moscow, Russia
b Faculty of Chemistry, Lomonosov Moscow State University, Moscow, Russia
c Faculty of Physics, Lomonosov Moscow State University, Moscow, Russia
d LLC Light Materials and Technologies Institute
e JSC Russian Aluminium Management
f JSC Russian Aluminium Management, Moscow, Russia
Full-text PDF (2162 kB)
DOI: https://doi.org/10.17586/2220-8054-2019-10-6-725-732
Abstract: The processes taking place with a spray unit during aluminum dispersion have been analyzed. It has been shown that the major process which occurs in a nipple during aluminum flowing is the reduction of silicon with aluminum and, also, with magnesium from the melt (in case when aluminum-magnesium or magnesium-containing alloys are used). The reduction of silicon results in the formation of nanoscale particles with crystalline size 20–50 nm and leads to the degradation of the nipple material, which is accompanied by its cracking and the formation of nanoscale channels and the flow of melt into the material through these channels. This phenomenon leads to the rupture and/or blockage of the nipple.
Keywords: aluminum alloys, steatite, steatite nipple, AK7 alloy.
Funding agency Grant number
Ministry of Education and Science of the Russian Federation 03.G25.31.0248
The work was carried out in the organization of the Lead Executor of R&D (Lomonosov Moscow State University) under the Agreement No. PSh-218-2017/ 01 dated 02.09.2017 with financial support from the Ministry of Education and Science of the Russian Federation under Agreement No. 075-11-2018-196 dated 04.28.2017 (internal contract number 03.G25.31.0248).
Received: 14.08.2019
Revised: 30.11.2019
Bibliographic databases:
Document Type: Article
PACS: 65.40.-b, 81.20.-n, 81.40.Gh, 61.25.Mv
Language: English
Citation: N. K. Orlov, D. A. Kozlov, S. A. Tikhonova, A. A. Tikhonov, A. V. Garshev, P. V. Evdokimov, V. I. Putlayev, A. A. Vasyakov, A. V. Chetvertukhin, A. K. Petrov, I. Yu. Mikhailov, S. V. Polyakov, A. A. Fedyanin, “Experimental evaluation of chemical resistance of steatite products towards aluminum-based melts”, Nanosystems: Physics, Chemistry, Mathematics, 10:6 (2019), 725–732
Citation in format AMSBIB
\Bibitem{OrlKozTik19}
\by N.~K.~Orlov, D.~A.~Kozlov, S.~A.~Tikhonova, A.~A.~Tikhonov, A.~V.~Garshev, P.~V.~Evdokimov, V.~I.~Putlayev, A.~A.~Vasyakov, A.~V.~Chetvertukhin, A.~K.~Petrov, I.~Yu.~Mikhailov, S.~V.~Polyakov, A.~A.~Fedyanin
\paper Experimental evaluation of chemical resistance of steatite products towards aluminum-based melts
\jour Nanosystems: Physics, Chemistry, Mathematics
\yr 2019
\vol 10
\issue 6
\pages 725--732
\mathnet{http://mi.mathnet.ru/nano490}
\crossref{https://doi.org/10.17586/2220-8054-2019-10-6-725-732}
\isi{https://gateway.webofknowledge.com/gateway/Gateway.cgi?GWVersion=2&SrcApp=Publons&SrcAuth=Publons_CEL&DestLinkType=FullRecord&DestApp=WOS_CPL&KeyUT=000504855900017}
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