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<article article-type="research-article" dtd-version="1.3" xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xml:lang="ru"><front><journal-meta><journal-id journal-id-type="publisher-id">blackmet</journal-id><journal-title-group><journal-title xml:lang="ru">Известия высших учебных заведений. Черная Металлургия</journal-title><trans-title-group xml:lang="en"><trans-title>Izvestiya. Ferrous Metallurgy</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">0368-0797</issn><issn pub-type="epub">2410-2091</issn><publisher><publisher-name>National University of Science and Technology "MISIS"</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.17073/0368-0797-2019-1-8-14</article-id><article-id custom-type="elpub" pub-id-type="custom">blackmet-1558</article-id><article-categories><subj-group subj-group-type="heading"><subject>Research Article</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="ru"><subject>МЕТАЛЛУРГИЧЕСКИЕ ТЕХНОЛОГИИ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>METALLURGICAL TECHNOLOGIES</subject></subj-group></article-categories><title-group><article-title>ИССЛЕДОВАНИЕ ШЛАКОВ МЕТАЛЛУРГИЧЕСКИХ ЗАВОДОВ АРМЕНИИ ПРИ ТОНКОМ ИЗМЕЛЬЧЕНИИ</article-title><trans-title-group xml:lang="en"><trans-title>SLAGS OF THE METALLURGICAL PLANTS OF ARMENIA AT FINE GRINDING</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Мартиросян</surname><given-names>В. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Martirosyan</surname><given-names>V. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>д.т.н., профессор </p><p>0009, Ереван, ул. Теряна, 105</p></bio><bio xml:lang="en"><p>Dr. Sci. (Eng.), Professor</p></bio><email xlink:type="simple">v.a.martirosyan@mail.ru</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Сасунцян</surname><given-names>М. Э.</given-names></name><name name-style="western" xml:lang="en"><surname>Sasuntsyan</surname><given-names>M. E.</given-names></name></name-alternatives><bio xml:lang="ru"><p>к.т.н., доцент </p><p>0009, Ереван, ул. Теряна, 105</p></bio><bio xml:lang="en"><p>Cand. Sci. (Eng.), Assist. Professor</p></bio><email xlink:type="simple">msasuntsyan@mail.ru</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Национальный политехнический университет Армении</institution><country>Армения</country></aff><aff xml:lang="en"><institution>National Polytechnic University of Armenia (NPUA)</institution><country>Armenia</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2019</year></pub-date><pub-date pub-type="epub"><day>22</day><month>02</month><year>2019</year></pub-date><volume>62</volume><issue>1</issue><fpage>8</fpage><lpage>14</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Мартиросян В.А., Сасунцян М.Э., 2019</copyright-statement><copyright-year>2019</copyright-year><copyright-holder xml:lang="ru">Мартиросян В.А., Сасунцян М.Э.</copyright-holder><copyright-holder xml:lang="en">Martirosyan V.A., Sasuntsyan M.E.</copyright-holder><license xml:lang="ru" license-type="creative-commons-attribution" xlink:href="https://creativecommons.org/licenses/by/4.0/" xlink:type="simple"><license-p>Данная работа распространяется под лицензией Creative Commons Attribution 4.0.</license-p></license><license xml:lang="en" license-type="creative-commons-attribution" xlink:href="https://creativecommons.org/licenses/by/4.0/" xlink:type="simple"><license-p>This work is licensed under a Creative Commons Attribution 4.0 License.</license-p></license></permissions><self-uri xlink:href="https://fermet.misis.ru/jour/article/view/1558">https://fermet.misis.ru/jour/article/view/1558</self-uri><abstract><p>В связи с развитием в Армении производства меди и молибдена возникает необхօдимость создания технологий переработки полученных шлаков действующих металлургических заводов с извлечением из них ценных металлов. Это касается медных шлаков Алавердийского медеплавильного завода с содержанием FeO ~ 50 % и молибденовых шлаков Ереванского завода «Чистое железо» с содержанием SiO2 ~80 %. Эти шлаки получаются при высоких температурах (с получением FeO·SiO2 , CaO·SiO2 , Fe3 O4 ) и, следовательно, они малоактивны для дальнейшего их использования. Между тем указанные шлаки богаты оксидами железа и кремния и могут служить дешевым сырьем для получения силицидов железа. Силициды железа могут использоваться в микро- и наноэлектронике, а также в металлургии в  качестве легирующей добавки в производстве сталей со специальными физико-химическими свойствами. Получение столь ценных силицидов из дешевого сырья актуально для Армении и имеет не только экономическое, но и экологическое значение. Для получения силицидов железа предлагается метод совместного алюминотермического восстановления предварительно механоактивированных медных и молибденовых шлаков. Предварительная механоактивация позволяет целенаправленно влиять на структуру реакционной смеси и  параметры самораспространяющегося высокотемпературного синтеза, обеспечивая тем самым возможность регулирования структуры и  фазового состава синтезируемых силицидов. В работе обсуждаются вопросы влияния превращения и фазообразования на морфологию шлаков медного и молибденового производств действующих металлургических заводов Армении при механохимической активации методом тонкого измельчения в вибромельнице. Показано, что при тонком измельчении (до −10 мкм) шлаки, содержащие сложные малореакционноспособные соединения железа и кремния (фаялит, магнетит и кварцит), подвергаются глубоким химическим изменениям, превращаясь в  аморфные оксиды. Полученные активированные оксиды могут служить сырьем для получения железо- и кремнийсодержащих сплавов – силицидов железа.</p></abstract><trans-abstract xml:lang="en"><p>In connection with the development of copper and molybdenum production in Armenia, it becomes necessary to develop a technology for processing the slags of the functioning metallurgical plants to extract valuable metals from these slags. It concerns the copper slags of Alaverdi Copper-Smelting Plant with a content of FeO ~50  % and the molybdenum slags of Yerevan “Pure Iron” Plant with a content of SiO2 ~80  %. These slags are obtained at high temperatures (with FeO·SiO2 , CaO·SiO2 , Fe3 O4 ) and, therefore, they are less active to be used later. Meanwhile, the mentioned slags are rich in iron and silicon oxides and can serve as a cheap raw material for producing iron silicides. The iron silicides can be used in micro- and nanoelectronics, as well as in metallurgy as an alloying additive in the production of steels of special physical and chemical properties. The production of such valuable silicides from an inexpensive raw material is important for Republic of Armenia and is of not only economic, but also ecological significance. To obtain iron silicides, a method of combined aluminothermal reduction of primarily mechanoactivated copper and molybdenum slags is proposed. The preliminary mechanoactivation allows to purposefully affect the structure of the reaction mixture and parameters of the self-propagating high-temperature synthesis (SHS), thus ensuring the possibility of regulating the structure and phase composition of the synthesized silicides. This work considers issues on the impact of transformation and phase formation on the morphology of slags of copper and molybdenum production in the functioning Armenian metallurgical plants at mechanochemical activation by the method of fine grinding in a vibromill. It is shown that at fine grinding (up to 10  mcm), the slags, containing small-reactivity complex compounds of iron and silicon (fayalite, magnetite, quarzite) undergo profound chemical changes, transforming into amorphous oxides. The obtained activated oxides can serve as a raw material for producing iron- and silicon-containing alloys – iron silicides.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>шлаки металлургических заводов</kwd><kwd>превращение</kwd><kwd>механохимическая активация</kwd><kwd>фазообразование</kwd><kwd>измельчение</kwd><kwd>железо</kwd><kwd>кремний</kwd><kwd>ферросилиций</kwd></kwd-group><kwd-group xml:lang="en"><kwd>slags of metallurgical plants</kwd><kwd>transformations</kwd><kwd>mechanochemical activation</kwd><kwd>phase formation</kwd><kwd>grinding</kwd><kwd>iron</kwd><kwd>silicon</kwd><kwd>ferrosilicon</kwd></kwd-group><funding-group><funding-statement xml:lang="ru">Исследование выполнено при финансовой поддержке ГКН МОН РА в рамках Армяно-Белօрусского совместного научного проекта № 13 РБ - 049. Экспериментальные данные получены в Белорусском государственном научно-производственном объединении порошковой металлургии.</funding-statement><funding-statement xml:lang="en">The study was financially supported by the State Committee on Science and Education of the Ministry of Education and Science of the Republic of Armenia in the framework of the ArmenianBelօrusian joint scientific project No. 13 RB – 049. Experimental data were obtained in the Belarusian State Research and Production Association of Powder Metallurgy.</funding-statement></funding-group></article-meta></front><back><ref-list><title>References</title><ref id="cit1"><label>1</label><citation-alternatives><mixed-citation xml:lang="ru">Комплексное использование сырья и отходов / Б.М. Равич, В.П. Окладников, В.Н. 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