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<article 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" xmlns:ali="http://www.niso.org/schemas/ali/1.0/" article-type="research-article" dtd-version="1.2" xml:lang="en"><front><journal-meta><journal-id journal-id-type="publisher-id">Melts</journal-id><journal-title-group><journal-title xml:lang="en">Melts</journal-title><trans-title-group xml:lang="ru"><trans-title>Расплавы</trans-title></trans-title-group></journal-title-group><issn publication-format="print">0235-0106</issn><issn publication-format="electronic">3034-5715</issn><publisher><publisher-name xml:lang="en">The Russian Academy of Sciences</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="publisher-id">691090</article-id><article-id pub-id-type="doi">10.31857/S0235010625050097</article-id><article-categories><subj-group subj-group-type="toc-heading" xml:lang="en"><subject>Articles</subject></subj-group><subj-group subj-group-type="toc-heading" xml:lang="ru"><subject>Статьи</subject></subj-group><subj-group subj-group-type="article-type"><subject>Research Article</subject></subj-group></article-categories><title-group><article-title xml:lang="en">Thermal oxidative stability of Al-Mn-graphene composite material under thermocycles conditions</article-title><trans-title-group xml:lang="ru"><trans-title>Термическая окислительная стабильность композиционного материала АМЦ–графен в условиях термоциклов</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Yolshina</surname><given-names>L. A.</given-names></name><name xml:lang="ru"><surname>Елшина</surname><given-names>Л. А.</given-names></name></name-alternatives><email>yolshina06@rambler.ru</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Pershina</surname><given-names>S. V.</given-names></name><name xml:lang="ru"><surname>Першина</surname><given-names>С. В.</given-names></name></name-alternatives><email>yolshina06@rambler.ru</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Muradymov</surname><given-names>R. V.</given-names></name><name xml:lang="ru"><surname>Мурадымов</surname><given-names>Р. В.</given-names></name></name-alternatives><email>yolshina06@rambler.ru</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Kvashnichev</surname><given-names>A. G.</given-names></name><name xml:lang="ru"><surname>Квашничев</surname><given-names>А. Г.</given-names></name></name-alternatives><email>yolshina06@rambler.ru</email><xref ref-type="aff" rid="aff1"/></contrib></contrib-group><aff-alternatives id="aff1"><aff><institution xml:lang="en">Institute of High Temperature Electrochemistry UB RAS</institution></aff><aff><institution xml:lang="ru">Институт высокотемпературной электрохимии УрО РАН</institution></aff></aff-alternatives><pub-date date-type="pub" iso-8601-date="2025-10-15" publication-format="electronic"><day>15</day><month>10</month><year>2025</year></pub-date><issue>5</issue><issue-title xml:lang="en">NO5 (2025)</issue-title><issue-title xml:lang="ru">№5 (2025)</issue-title><fpage>522</fpage><lpage>536</lpage><history><date date-type="received" iso-8601-date="2025-09-21"><day>21</day><month>09</month><year>2025</year></date></history><permissions><copyright-statement xml:lang="en">Copyright ©; 2025, Russian Academy of Sciences</copyright-statement><copyright-statement xml:lang="ru">Copyright ©; 2025, Российская академия наук</copyright-statement><copyright-year>2025</copyright-year><copyright-holder xml:lang="en">Russian Academy of Sciences</copyright-holder><copyright-holder xml:lang="ru">Российская академия наук</copyright-holder></permissions><self-uri xlink:href="https://journals.eco-vector.com/0235-0106/article/view/691090">https://journals.eco-vector.com/0235-0106/article/view/691090</self-uri><abstract xml:lang="en"><p>Aluminum-graphene composite material was synthesized by direct chemical interaction of boron carbide with molten matrix of Al-Mn alloy (analogue of АА 3003 alloy) with 1.22 wt. % of manganese, in molten alkali halides media. Initial Al-Mn alloy consists from aluminum base with formation of minor intermetallic amounts of MnAl<sub>6</sub>, but in aluminum-graphene composite except of aluminum base by the means of XRD the additional formation of double carbide AlMn<sub>3</sub>С. The formation of aluminum carbides was never detected no in pure aluminum, neither in all its alloys which was studied earlier. It was shown that the formation of three-layered graphene with linear dimensions up to 50 µm with total carbon concentration 0.055 wt.% decreases the onset point from 657.6℃for alloy AA3003 till 648℃for aluminum-graphene composite and results in an additional small peak at 650.1℃, which may be due to graphene oxidation. The original alloy AA 3003 in the air flow increases the mass when heated to 700℃by 0.16%, and the aluminum-graphene composite by 0.14 % which indicates a more significant oxidation of the original alloy AA 3003 compared the aluminum-graphene composite material. The effect of introduction of graphene into a metal matrix on the thermal properties of the composite was investigated, including under conditions of thermal cycling – triple heating up to 750℃and cooling up to 300℃in the air. It was shown that when graphene is introduced in the content up to 0.04 wt.% it does not change the mass of composite during thermal cycling as well as original alloy, while an increase in content up to 0.05 wt.% leads to an increase in mass of composite. Therefore, the composite material Al-Mn-graphene with a content of graphene up to 0.04 wt.%, which has higher mechanical properties compared to the alloy can be successfully used as plates of heat and radiators, since it is not subject to oxidation during thermal cycling.</p></abstract><trans-abstract xml:lang="ru"><p>Алюминий-графеновый композиционный материал был получен при прямом химическом взаимодействии карбида бора с расплавленной матрицей из алюминиевого сплава АМц, содержащего 1.22 мас.% марганца (аналога сплава АА 3003), в среде расплавленных галогенидов щелочных металлов. Исходный сплав состоит из основы – алюминия, с образованием в нем минорных интерметаллидных фазMnAl<sub>6</sub>. При этом в алюминий-графеновом композите, помимо главной фазы – алюминия, методом рентгеновской дифракции доказано дополнительное образование двойного карбида алюминия-марганца составаAlMn<sub>3</sub>С. Образование карбидной фазы в алюминии и его сплавах, ранее изученных, не наблюдалось. Показано, что введение пленок трехслойного графена с линейными размерами до 50 мкм в содержаниях до 0.055 мас.% снижает температуру начала плавления с 657.6℃для сплава АМц до 648℃для алюминий-графенового композита и приводит к появлению дополнительного небольшого пика при 650.1℃, что может быть связано с окислением графена. Исходный сплав АМц в токе воздуха увеличивает массу при нагреве до 700℃на 0.16%, а алюминий-графеновый композит на 0.14%, что говорит о более значительном окислении исходного сплава по сравнению с алюминий-графеновым композиционным материалом. Исследовано влияние введения графена в металлическую матрицу на термические свойства композита, в том числе в условиях термоциклирования – трехкратного нагрева до 750℃и охлаждения до 300℃в среде воздуха. Показано, что введение графена в содержаниях до 0.04 мас.% не изменяет массу композита при термоциклировании, так же как и исходного сплава АМц, в то время как повышение содержания графена до 0.05 мас.% приводит к увеличению массы композита. Следовательно, композиционный материал АМц-графенc содержанием графена до 0.04 мас.%, обладающий более высокими механическими свойствами по сравнению со сплавом АМц, может быть успешно использован в качестве пластин теплообменников и радиаторов, так как он не подвержен оксидированию при термоциклировании.</p></trans-abstract><kwd-group xml:lang="en"><kwd>aluminum</kwd><kwd>aluminum-manganese alloy (analogue of AA 3003)</kwd><kwd>molten salts</kwd><kwd>graphene</kwd><kwd>thermal properties</kwd><kwd>cyclic thermal stability</kwd></kwd-group><kwd-group xml:lang="ru"><kwd>алюминий</kwd><kwd>алюмо-марганцевый сплав АМц</kwd><kwd>расплавленные соли</kwd><kwd>графен</kwd><kwd>термические свойства</kwd><kwd>циклическая термостабильность</kwd></kwd-group><funding-group/></article-meta></front><body></body><back><ref-list><ref id="B1"><label>1.</label><citation-alternatives><mixed-citation xml:lang="en">Dutkiewicz J., Ozga P., Maziarz W., et al. 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