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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">cvmet</journal-id><journal-title-group><journal-title xml:lang="ru">Известия вузов. Цветная металлургия</journal-title><trans-title-group xml:lang="en"><trans-title>Izvestiya. Non-Ferrous Metallurgy</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">0021-3438</issn><issn pub-type="epub">2412-8783</issn><publisher><publisher-name>НИТУ "МИСИС"</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.17073/0021-3438-2019-6-70-74</article-id><article-id custom-type="elpub" pub-id-type="custom">cvmet-1044</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>Коррозия и защита металлов</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>Corrosion and Protection of Metals</subject></subj-group></article-categories><title-group><article-title>Коррозия алюмоматричного композита in situ на основе Al–7Si–1Fe</article-title><trans-title-group xml:lang="en"><trans-title>The corrosion of aluminum matrix composite in situ based on Al–7Si–1Fe alloy</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>Финкельштейн</surname><given-names>А. Б.</given-names></name><name name-style="western" xml:lang="en"><surname>Finkelstein</surname><given-names>A. B.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Доктор технических наук, профессор кафедры литейного производства и упрочняющих технологий</p><p>620002, г. Екатеринбург, ул. Мира, 19</p></bio><bio xml:lang="en"><p>Dr. Sci. (Tech.), Full prof., Department of foundry engineering and strengthening technologies</p><p>620002, Russia, Ekaterinburg, Mira str., 19</p></bio><email xlink:type="simple">avinkel@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>Шак</surname><given-names>А. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Shak</surname><given-names>A. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Кандидат технических наук, зав. лабораторией кафедры редких металлов и наноматериалов</p><p>620002, г. Екатеринбург, ул. Мира, 19</p></bio><bio xml:lang="en"><p>Cand. Sci. (Tech.), Head of Laboratory, Department of rare metals and nanomaterials</p><p>620002, Russia, Ekaterinburg, Mira str., 19</p></bio><email xlink:type="simple">a.v.shak@urfu.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>Шефер</surname><given-names>А. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Schaefer</surname><given-names>A. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Ассистент кафедры литейного производства и упрочняющих технологий</p><p>620002, г. Екатеринбург, ул. Мира, 19 </p></bio><bio xml:lang="en"><p>Assistant, Department of foundry engineering and strengthening technologies</p><p>620002, Russia, Ekaterinburg, Mira str., 19</p></bio><email xlink:type="simple">a.a.shefer91@gmail.com</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Уральский федеральный университет имени первого Президента России Б.Н. Ельцина</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Ural Federal University</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2019</year></pub-date><pub-date pub-type="epub"><day>15</day><month>12</month><year>2019</year></pub-date><volume>0</volume><issue>6</issue><fpage>70</fpage><lpage>74</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Финкельштейн А.Б., Шак А.В., Шефер А.А., 2019</copyright-statement><copyright-year>2019</copyright-year><copyright-holder xml:lang="ru">Финкельштейн А.Б., Шак А.В., Шефер А.А.</copyright-holder><copyright-holder xml:lang="en">Finkelstein A.B., Shak A.V., Schaefer A.A.</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://cvmet.misis.ru/jour/article/view/1044">https://cvmet.misis.ru/jour/article/view/1044</self-uri><abstract><p>Приведены результаты сравнительного исследования коррозионной стойкости алюмоматричного композита, полученного методом продувки кислородом предварительно гидрогенизированного расплава на основе сплава Al–Si–Fe с содержанием железа более 1 %, предназначенного для литья под давлением, и сплава Al–7Si с 0,3 % Fe, модифицированного лигатурой 5Al–Ti в количестве 2 %. Коррозия в алюминиевых сплавах обусловлена нарушением сплошности оксидной пленки на некоторых фазах, прежде всего на фазе Al5SiFe. Пары образцов из композита и сплава сравнения диаметром 15 мм и длиной 50 мм подверглись испытаниям в 7 %-ном растворе солевого тумана NaCl в камере КСТ-1 на подвесках при температуре 22 °С в течение 300 ч. Полученные результаты показали близкие значения убыли массы образцов, несмотря на значительно более высокое содержание железа в материале, поскольку сформировавшиеся в расплаве при продувке кислородом частицы Al2O3 размером 100–200 нм, осаждаясь на границах фаз, снижают площадь поверхности взаимодействия с коррозионной средой. Литературные данные показывают существенное отличие сопротивления коррозионному воздействию композитов ex situ от in situ вследствие различий в размерах и расположении в матрице упрочняющей фазы. Исследованный композиционный материал может быть рекомендован как коррозионно-стойкая альтернатива сплавам с повышенным содержанием железа, используемым для литья под давлением.</p></abstract><trans-abstract xml:lang="en"><p>The paper provides the results of a comparative corrosion resistance study of the aluminum matrix composite produced by the method of oxygen lancing of pre–hydrogenated Al–Si–Fe aluminum alloy melt with an iron content of over 1.0 % and Al–7%Si alloy with an iron content of 0.3 % modified by the 5Al–Ti master alloy in the amount of 2 %. Corrosion in aluminum alloys is conditioned by the oxide film discontinuity in some phases, primarily Al5SiFe. Pairs of composite and reference alloy samples with a diameter of 15 mm and a length of 50 mm were tested in a 7 % solution of NaCl salt fog in SFC-1 chamber on suspension brackets at 22 °C for 300 hours. The obtained results show close values of mass losses for samples despite the significantly higher iron content in the material since 100–200 nm particles formed in the melt by oxygen lancing are deposited on the phase boundaries and reduce the area of the surface in contact with the corrosive environment. Literature data show a considerable difference in the corrosion resistance of composites ex situ from in situ due to different sizes and locations in the hardening phase matrix. The studied composite material can be recommended as a corrosion-resistant alternative to alloys with the high iron content that are used for high pressure die casting (HPDC).</p></trans-abstract><kwd-group xml:lang="ru"><kwd>алюмоматричный композит</kwd><kwd>коррозия</kwd><kwd>литье под давлением</kwd></kwd-group><kwd-group xml:lang="en"><kwd>aluminum matrix composite</kwd><kwd>corrosion</kwd><kwd>high pressure die casting (HPDC).</kwd></kwd-group></article-meta></front><back><ref-list><title>References</title><ref id="cit1"><label>1</label><citation-alternatives><mixed-citation xml:lang="ru">Schuster D.M. The world won’t beat a path to your door. Key Eng. Mater. 1992. Vol. 77. P. 337—348. DOI: 10.4028/www.scientific.net/KEM.77-78.337.</mixed-citation><mixed-citation xml:lang="en">Schuster D.M. The world won’t beat a path to your door. Key Eng. Mater. 1992. Vol. 77. P. 337—348. 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