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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">powder</journal-id><journal-title-group><journal-title xml:lang="ru">Известия вузов. Порошковая металлургия и функциональные покрытия</journal-title><trans-title-group xml:lang="en"><trans-title>Powder Metallurgy аnd Functional Coatings (Izvestiya Vuzov. Poroshkovaya Metallurgiya i Funktsional'nye Pokrytiya)</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">1997-308X</issn><issn pub-type="epub">2412-8767</issn><publisher><publisher-name>НИТУ "МИСИС"</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.17073/1997-308X-2022-3-63-77</article-id><article-id custom-type="elpub" pub-id-type="custom">powder-717</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>Материалы и покрытия, получаемые методами аддитивных технологий</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>Materials and coatings fabricated using the additive manufacturing technologies</subject></subj-group></article-categories><title-group><article-title>Влияние электроискровой обработки электродами из циркония на структуру и свойства никельсодержащего сплава, полученного селективным лазерным сплавлением</article-title><trans-title-group xml:lang="en"><trans-title>The effect of electrospark deposition using zirconium electrodes on structure and properties of nickel-containing alloy obtained selective laser melting</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>Кудряшов</surname><given-names>А. Е.</given-names></name><name name-style="western" xml:lang="en"><surname>Kudryashov</surname><given-names>A. E.</given-names></name></name-alternatives><bio xml:lang="ru"><p>канд. техн. наук, вед. науч. сотрудник лаборатории «In situ диагностика структурных превращений», НУЦ СВС, МИСиС–ИСМАН</p><p>119049, г. Москва, Ленинский пр-т, 4, стр. 1</p></bio><bio xml:lang="en"><p>Cand. Sci. (Eng.), Leading researcher of the Laboratory «In situ diagnostics of structural transformations», Scientific-Educational Center of SHS, MISIS–ISMAN</p><p>119049, Russia, Moscow, Leninskiy pr., 4</p></bio><email xlink:type="simple">aekudr@yandex.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>Кирюханцев-Корнеев</surname><given-names>Ф. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Kiryukhantsev-Korneev</surname><given-names>Ph. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>канд. техн. наук, доцент кафедры порошковой металлургии и функциональных покрытий (ПМиФП); зав. лабораторией «In situ диагностика структурных превращений», НУЦ СВС, МИСиС–ИСМАН</p><p>г. Москва</p></bio><bio xml:lang="en"><p>Cand. Sci. (Eng.), Associate prof., Department of powder metallurgy and functional coatings (PM&amp;FC); Head of the Laboratory «In situ diagnostics of structural transformations», Scientific-Educational Center of SHS, MISIS–ISMAN</p><p>Moscow</p></bio><email xlink:type="simple">kiruhancev-korneev@yandex.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>Муканов</surname><given-names>С. К.</given-names></name><name name-style="western" xml:lang="en"><surname>Mukanov</surname><given-names>S. K.</given-names></name></name-alternatives><bio xml:lang="ru"><p>канд. техн. наук, мл. науч. сотрудник лаборатории «In situ  диагностика структурных превращений», НУЦ СВС, МИСиС–ИСМАН</p><p>г. Москва</p></bio><bio xml:lang="en"><p>Cand. Sci. (Eng.), Research assistant, Laboratory «In situ diagnostics of structural transformations», Scientific-Educational Center of SHS, MISIS–ISMAN</p><p>Moscow</p></bio><email xlink:type="simple">sam-mukanov@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>Петржик</surname><given-names>М. И.</given-names></name><name name-style="western" xml:lang="en"><surname>Petrzhik</surname><given-names>M. I.</given-names></name></name-alternatives><bio xml:lang="ru"><p>докт. техн. наук, профессор кафедры ПМиФП; вед. науч. сотрудник лаборатории «In situ диагностика структурных превращений», НУЦ СВС, МИСиС–ИСМАН</p><p>г. Москва</p></bio><bio xml:lang="en"><p>Dr. Sci. (Eng.), Prof., Department of PM&amp;FC, NUST «MISIS»; Leading researcher, Laboratory «In situ diagnostics of structural transformations», Scientific-Educational Center of SHS, MISIS–ISMAN</p><p>Moscow</p></bio><email xlink:type="simple">petrzhik@shs.misis.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>Левашов</surname><given-names>Е. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Levashov</surname><given-names>E. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>докт. техн. наук, акад. РАЕН, проф., зав. кафедрой ПМиФП; директор НУЦ СВС, МИСиС–ИСМАН</p><p>г. Москва</p></bio><bio xml:lang="en"><p>Dr. Sci. (Eng.), Prof., Acad. of Russian Academy of Natural Science; Head of the Department of PM&amp;FC; Head of Scientific-Еducational Center of SHS, MISIS–ISMAN</p><p>Moscow</p></bio><email xlink:type="simple">levashov@shs.misis.ru</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Национальный исследовательский технологический университет (НИТУ) «МИСиС»</institution><country>Россия</country></aff><aff xml:lang="en"><institution>National University of Science and Technology (NUST) «MISIS»</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2022</year></pub-date><pub-date pub-type="epub"><day>06</day><month>09</month><year>2022</year></pub-date><volume>0</volume><issue>3</issue><fpage>63</fpage><lpage>77</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Кудряшов А.Е., Кирюханцев-Корнеев Ф.В., Муканов С.К., Петржик М.И., Левашов Е.А., 2022</copyright-statement><copyright-year>2022</copyright-year><copyright-holder xml:lang="ru">Кудряшов А.Е., Кирюханцев-Корнеев Ф.В., Муканов С.К., Петржик М.И., Левашов Е.А.</copyright-holder><copyright-holder xml:lang="en">Kudryashov A.E., Kiryukhantsev-Korneev P.V., Mukanov S.K., Petrzhik M.I., Levashov E.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://powder.misis.ru/jour/article/view/717">https://powder.misis.ru/jour/article/view/717</self-uri><abstract><p>Для повышения эксплуатационных свойств Ni-содержащего сплава, полученного по технологии селективного лазерного сплавления (СЛС), наносили защитные покрытия методом электроискрового легирования (ЭИЛ) с использованием электродов из циркония. Кинетику массопереноса изучали на 5 различных частотно-энергетических режимах обработки. С помощью аналого-цифрового преобразователя установлены среднее количество импульсных разрядов, энергия единичных импульсов и суммарная энергия импульсных разрядов за 1 мин обработки (ΣЕ) для всех применяемых режимов. В низкоэнергетических условиях обработки (ΣЕ = 1459÷2915 Дж) наблюдался слабый массоперенос, привес массы катода фиксировался только в первые минуты. С увеличением времени обработки происходила убыль массы подложки. Шероховатость покрытий (Ra) варьировалась в диапазоне 3,9–7,2 мкм. На высокоэнергетических режимах (ΣЕ = 5197÷17212 Дж) из-за интенсивного нагрева электродов наблюдался устойчивый привес массы катода, но сформированные покрытия имели повышенную шероховатость: Ra = 7,4÷8,6 мкм. Параметр Ra для исходных СЛС-образцов составлял 10,7 мкм. Сформированные покрытия характеризовались толщиной 15–30 мкм, высокой сплошностью (до 100 %), твердостью 9,0–12,5 ГПа, модулем упругости 122–145 ГПа, коэффициентом трения 0,36–0,49. Проведение ЭИЛ-обработки способствовало росту износостойкости СЛС-сплава в 7,5–20,0 раз, а жаростойкости на 10–20 % (t = 1150 °C, τ = 30 ч). Установлено, что наилучшими свойствами (твердость, модуль упругости, шероховатость износо- и жаростойкость) обладает покрытие, полученное на низкоэнергетическом режиме ЭИЛ с энергией ΣЕ = 2915 Дж.</p></abstract><trans-abstract xml:lang="en"><p>Protective coatings were applied by electrospark deposition (ESD) using zirconium electrodes to improve the performance of the Ni-containing alloy obtained using the selective laser melting (SLM) technology. The kinetics of mass transfer was studied in 5 different frequency-energy processing modes. An analog-to-digital converter was used to determine the average number of pulse discharges, single-pulse energy, and the total energy of pulse discharges for 1 min of processing (ΣЕ) for all the modes used. In low-energy processing modes (ΣЕ = 1459÷2915 J), a weak mass transfer was observed, and the cathode weight gain was recorded only in the first minutes. As the processing time increased, a decrease in the substrate weight was observed. The roughness of coatings (Ra) varied in the range of 3.9–7.2 μm. In high-energy modes (ΣЕ = 5197÷17212 J), due to intense electrode heating, a steady cathode weight gain was observed, but the formed coatings featured by increased roughness: Ra = 7.4÷8.6 μm. The Ra parameter for the original SLM samples was 10.7 μm. The formed coatings featured by a thickness of 15–30 μm, high continuity (up to 100 %), hardness of 9.0–12.5 GPa, elastic modulus of 122–145 GPa, and friction coefficient of 0.36–0.49. The ESD processing promoted an increase in wear resistance of the SLM alloy by 7.5–20 times, and oxidation resistance by 10–20 % (t = 1150 °C, τ = 30 h). It was found that the coating obtained in the low-energy ESD mode with energy ΣЕ = 2915 J featured the best performance (hardness, modulus of elasticity, roughness, wear resistance and oxidation resistance).</p></trans-abstract><kwd-group xml:lang="ru"><kwd>электроискровое легирование (ЭИЛ)</kwd><kwd>селективное лазерное сплавление (СЛС)</kwd><kwd>жаропрочный сплав</kwd><kwd>цирконий</kwd><kwd>твердость</kwd><kwd>жаростойкость</kwd><kwd>износостойкость</kwd></kwd-group><kwd-group xml:lang="en"><kwd>electrospark deposition (ESD)</kwd><kwd>selective laser melting (SLM)</kwd><kwd>heat-resistant alloy</kwd><kwd>zirconium</kwd><kwd>hardness</kwd><kwd>oxidation resistance</kwd><kwd>wear resistance</kwd></kwd-group><funding-group><funding-statement xml:lang="ru">Работа выполнена при финансовой поддержке Министерства науки и высшего образования РФ в рамках государственного задания (проект 0718-2020-0034).</funding-statement><funding-statement xml:lang="en">The research was funded by the Ministry of Science and Higher Education of the Russian Federation as part of the State assignment (Project 0718-2020-0034).</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">Каблов Е.Н. 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