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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">kaz44</journal-id><journal-title-group><journal-title xml:lang="ru">Вестник Университета Шакарима. Серия технические науки</journal-title><trans-title-group xml:lang="en"><trans-title>Bulletin of Shakarim University. Technical Sciences</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">2788-7995</issn><issn pub-type="epub">3006-0524</issn><publisher><publisher-name>«Шәкәрім университеті» КеАҚ</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.53360/2788-7995-2026-1(21)-63</article-id><article-id custom-type="elpub" pub-id-type="custom">kaz44-2416</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>ТЕХНИЧЕСКАЯ ФИЗИКА И ТЕПЛОЭНЕРГЕТИКА</subject></subj-group></article-categories><title-group><article-title>СТРУКТУРНЫЕ, ТРИБОЛОГИЧЕСКИЕ И КОРРОЗИОННЫЕ СВОЙСТВА ПОКРЫТИЙ CR₃C₂–NICR, ПОЛУЧЕННЫХ МЕТОДОМ HVOF</article-title><trans-title-group xml:lang="en"><trans-title>STRUCTURAL, TRIBOLOGICAL, AND CORROSION PROPERTIES OF CR₃C₂–NICR COATINGS DEPOSITED BY THE HVOF METHOD</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0009-0009-3706-4087</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Әскержанов</surname><given-names>Д. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Askerzhanov</surname><given-names>D. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Думан Ансаганулы Әскержанов – магистрант по специальности «Техническая физика», научный сотрудник Инжинирингового центра </p><p>071412, г. Семей, ул. Глинки, 20 А</p></bio><bio xml:lang="en"><p>Duman Ansaganuly Askerzhanov – Master’s student in Technical Physics, Research Fellow at the Engineering Center </p><p>071412,, Semey, 20A Glinka St.</p></bio><email xlink:type="simple">dumanaskerzhanov541@gmail.com</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0001-5166-4761</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Кусаинов</surname><given-names>Р. К.</given-names></name><name name-style="western" xml:lang="en"><surname>Kussainov</surname><given-names>R. K.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Ринат Кенжеевич Кусаинов – руководитель Инжинирингового центра </p><p>071412, г. Семей, ул. Глинки, 20 А</p></bio><bio xml:lang="en"><p>Rinat Kenzheevich Kusainov – Head of the Engineering Center </p><p>071412,, Semey, 20A Glinka St.</p></bio><email xlink:type="simple">rinat.k.kus@mail.ru</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0009-0001-5887-0135</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Жасұлан</surname><given-names>А. Ж.</given-names></name><name name-style="western" xml:lang="en"><surname>Zhassulan</surname><given-names>A. Zh.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Айнур Жасуланкызы Жасулан – докторант по специальности «Техническая физика», старший научный сотрудник Инжинирингового центра </p><p>071412, г. Семей, ул. Глинки, 20 А</p></bio><bio xml:lang="en"><p>Ainur Zhassulankyzy Zhassulan – PhD student in Technical Physics, Senior Research Fellow at the Engineering Center </p><p>071412,, Semey, 20A Glinka St.</p></bio><email xlink:type="simple">ainur.99.99.99@mail.ru</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0001-6099-2812</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Орманбеков</surname><given-names>К. Д.</given-names></name><name name-style="western" xml:lang="en"><surname>Ormanbekov</surname><given-names>K. D.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Куаныш Даулетович Орманбеков – докторант по специальности «Технологические машины и оборудование»; заведующий лабораторией «Плазменные технологии обработки поверхности материалов» Инжинирингового центра </p><p>071412, г. Семей, ул. Глинки, 20 А</p></bio><bio xml:lang="en"><p>Kuanysh Dauletovich Ormanbekov – PhD student in Technological Machines and Equipment, Head of the Plasma Technologies for Materials Surface Treatment Laboratory at the Engineering Center </p><p>071412,, Semey, 20A Glinka St.</p></bio><email xlink:type="simple">kuanysh.dauletson@gmail.com</email><xref ref-type="aff" rid="aff-2"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0009-0009-2877-5178</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Шынарбек</surname><given-names>А. Б.</given-names></name><name name-style="western" xml:lang="en"><surname>Shynarbek</surname><given-names>A. B.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Айбек Бакытжанулы Шынарбек – докторант по специальности «Технологические машины и оборудование», заведующий лабораторией «Электролитно-плазменные технологии модификации поверхности материалов и материаловедения» Инжинирингового центра </p><p>071412, г. Семей, ул. Глинки, 20 А</p></bio><bio xml:lang="en"><p>Aibek Bakytzhanuly Shynarbek – PhD student in Technological Machines and Equipment, Head of the Electrolytic – Plasma Technologies for Materials Surface Modification and Materials Science Laboratory at the Engineering Center </p><p>071412,, Semey, 20A Glinka St.</p></bio><email xlink:type="simple">shinarbekov16@gmail.com</email><xref ref-type="aff" rid="aff-2"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Шәкәрім университет, Инжиниринговый центр;&#13;
Шәкәрім университет</institution><country>Казахстан</country></aff><aff xml:lang="en"><institution>Shakarim University, Engineering Center;&#13;
Shakarim University</institution><country>Kazakhstan</country></aff></aff-alternatives><aff-alternatives id="aff-2"><aff xml:lang="ru"><institution>Шәкәрім университет, Инжиниринговый центр</institution><country>Казахстан</country></aff><aff xml:lang="en"><institution>Shakarim University, Engineering Center</institution><country>Kazakhstan</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2026</year></pub-date><pub-date pub-type="epub"><day>25</day><month>05</month><year>2026</year></pub-date><volume>1</volume><issue>1(21)</issue><fpage>580</fpage><lpage>589</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Әскержанов Д.А., Кусаинов Р.К., Жасұлан А.Ж., Орманбеков К.Д., Шынарбек А.Б., 2026</copyright-statement><copyright-year>2026</copyright-year><copyright-holder xml:lang="ru">Әскержанов Д.А., Кусаинов Р.К., Жасұлан А.Ж., Орманбеков К.Д., Шынарбек А.Б.</copyright-holder><copyright-holder xml:lang="en">Askerzhanov D.A., Kussainov R.K., Zhassulan A.Z., Ormanbekov K.D., Shynarbek A.B.</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://tech.vestnik.shakarim.kz/jour/article/view/2416">https://tech.vestnik.shakarim.kz/jour/article/view/2416</self-uri><abstract><p>Данное исследование направлено на повышение срока службы котельных труб из стали 12Х1МФ, применяемых на тепловых электростанциях. Покрытия Cr₃C₂–NiCr были получены методом высокоскоростного кислородно-топливного напыления (HVOF), после чего изучены их структурно-фазовые, механические, трибологические и коррозионные свойства. Установлено, что предварительный нагрев образцов при различных температурах (без нагрева, 100°C и 200°C) оказывает существенное влияние на морфологию, пористость и механические характеристики покрытий. Результаты СЭМ-анализа показали низкую пористость покрытий, тогда как данные рентгеноструктурного анализа подтвердили стабильность фазы Cr₃C₂ и способность матрицы NiCr эффективно удерживать карбидные частицы. Это препятствует разрушению покрытия и обеспечивает фазовую стабильность при повышенных температурах. Наилучшие результаты были получены для покрытий, сформированных при температуре предварительного нагрева 100°C: твердость увеличилась до 897,8 HV, снизилась шероховатость поверхности, стабилизировался коэффициент трения, а диаметр износового следа достиг минимального значения (712 мкм). Кроме того, отмечено снижение скорости коррозии. В целом полученные результаты свидетельствуют о высокой эффективности покрытий Cr₃C₂–NiCr в качестве защитного слоя с повышенной прочностью, износо- и коррозионной стойкостью, что делает их перспективными для применения в высокотемпературных агрессивных средах.</p></abstract><trans-abstract xml:lang="en"><p>This study is aimed at extending the service life of 12Kh1MF steel boiler tubes used in thermal power plants. Cr₃C₂–NiCr coatings were deposited by the high-velocity oxygen–fuel (HVOF) spraying method, and their structural–phase, mechanical, tribological, and corrosion properties were investigated. It was found that preheating the substrates at different temperatures (without preheating, 100 °C, and 200 °C) significantly affects the coating morphology, porosity, and mechanical characteristics. SEM analysis revealed that the coatings exhibit low porosity, while XRD results confirmed the stability of the Cr₃C₂ phase and the ability of the NiCr matrix to effectively bind the carbide particles. This prevents coating spallation and ensures phase stability at elevated temperatures. The coatings obtained at a preheating temperature of 100 °C demonstrated the best overall performance: hardness increased up to 897.8 HV, surface roughness decreased, the coefficient of friction stabilized, and the wear track diameter reached its minimum value (712 µm). In addition, a reduced corrosion rate was observed. Overall, the results demonstrate that Cr₃C₂–NiCr coatings are effective protective layers with high strength, wear resistance, and corrosion resistance, making them suitable for application in high-temperature aggressive environments.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>высокоскоростное кислородно-топливное напыление (HVOF)</kwd><kwd>сталь 12Х1МФ</kwd><kwd>коррозия</kwd><kwd>трибология</kwd><kwd>шероховатость поверхности</kwd><kwd>твердость</kwd></kwd-group><kwd-group xml:lang="en"><kwd>high-velocity oxygen–fuel (HVOF) spraying</kwd><kwd>12Kh1MF steel</kwd><kwd>corrosion</kwd><kwd>tribology</kwd><kwd>surface roughness</kwd><kwd>hardness</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">Erosive wear caused by large solid particles carried by a flowing liquid: A comprehensive review / C. 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