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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">10.17073/0368-0797-2024-3-318-324</article-id><article-id custom-type="elpub" pub-id-type="custom">blackmet-2735</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>МАТЕРИАЛОВЕДЕНИЕ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>MATERIAL SCIENCE</subject></subj-group></article-categories><title-group><article-title>Диффузия азота по границам слоев при азотировании многослойных материалов</article-title><trans-title-group xml:lang="en"><trans-title>Nitrogen diffusion along the layer boundaries after nitriding of multilayer materials</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>Поликевич</surname><given-names>К. Б.</given-names></name><name name-style="western" xml:lang="en"><surname>Polikevich</surname><given-names>K. B.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Ксения Борисовна Поликевич, старший преподаватель кафедры «Материаловедение»</p><p>Россия, 105005, Москва, 2-я Бауманс­кая ул., 5/1</p></bio><bio xml:lang="en"><p>Kseniya B. Polikevich, Senior Lecturer of the Chair “Materials Science”</p><p>5/1 Baumanskaya 2-ya Str., Moscow 105005, Russian Federation</p></bio><email xlink:type="simple">polikevich94@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>Петелин</surname><given-names>А. Л.</given-names></name><name name-style="western" xml:lang="en"><surname>Petelin</surname><given-names>A. L.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Александр Львович Петелин, д.ф-м.н., профессор; профессор кафедры физической химии</p><p>Россия, 105005, Москва, 2-я Бауманс­кая ул., 5/1</p><p>Россия, 119049, Москва, Ленинский пр., 4</p></bio><bio xml:lang="en"><p>Aleksandr L. Petelin, Dr. Sci. (Phys.–Math.), Prof.; Prof. of the Chair of Physical Chemistry</p><p>5/1 Baumanskaya 2-ya Str., Moscow 105005, Russian Federation</p><p>4 Leninskii Ave., Moscow 119049, Russian Federation</p></bio><email xlink:type="simple">alexander-petelin@yandex.ru</email><xref ref-type="aff" rid="aff-2"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Плохих</surname><given-names>А. И.</given-names></name><name name-style="western" xml:lang="en"><surname>Plokhikh</surname><given-names>A. I.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Андрей Иванович Плохих, к.т.н., доцент кафедры «Материаловедение»</p><p>Россия, 105005, Москва, 2-я Бауманс­кая ул., 5/1</p></bio><bio xml:lang="en"><p>Andrei I. Plokhikh, Cand. Sci. (Eng.), Assist. Prof. of the Chair “Materials Science”</p><p>5/1 Baumanskaya 2-ya Str., Moscow 105005, Russian Federation</p></bio><email xlink:type="simple">plokhikh@bmstu.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>Фомина</surname><given-names>Л. П.</given-names></name><name name-style="western" xml:lang="en"><surname>Fomina</surname><given-names>L. P.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Людмила Петровна Фомина, к.т.н, доцент</p><p>Россия, 105118, Москва, пр. Буденного, 16, кор. 2</p></bio><bio xml:lang="en"><p>Lyudmila P. Fomina, Cand. Sci. (Eng.), Assist. Prof.</p><p>16/2 Budennogo Ave., Moscow 105118, Russian Federation</p></bio><email xlink:type="simple">fominalp@yandex.ru</email><xref ref-type="aff" rid="aff-3"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Московский государственный технический университет им. Н.Э. Баумана</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Bauman Moscow State Technical University</institution><country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-2"><aff xml:lang="ru"><institution>Московский государственный технический университет им. Н.Э. Баумана; Национальный исследовательский технологический университет «МИСИС»</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Bauman Moscow State Technical University; National University of Science and Technology “MISIS”</institution><country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-3"><aff xml:lang="ru"><institution>Производственный комплекс «Салют» АО «Объединенная двигателестроительная корпорация»</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Industrial Complex “Salyut”, JSC “United Engine Corporation”</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2024</year></pub-date><pub-date pub-type="epub"><day>16</day><month>06</month><year>2024</year></pub-date><volume>67</volume><issue>3</issue><fpage>318</fpage><lpage>324</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Поликевич К.Б., Петелин А.Л., Плохих А.И., Фомина Л.П., 2024</copyright-statement><copyright-year>2024</copyright-year><copyright-holder xml:lang="ru">Поликевич К.Б., Петелин А.Л., Плохих А.И., Фомина Л.П.</copyright-holder><copyright-holder xml:lang="en">Polikevich K.B., Petelin A.L., Plokhikh A.I., Fomina L.P.</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/2735">https://fermet.misis.ru/jour/article/view/2735</self-uri><abstract><p>Диффузионные процессы играют ключевую роль в формировании структур новых материалов и технологических процессов упрочняющих термических обработок, так как именно благодаря диффузии происходит перераспределение вещества в твердых телах. Актуальной задачей является разработка технологичных и эффективных методов упрочнения материалов в целях повышения их эксплуатационных свойств. Возрастает потребность в усовершенствовании методов химико-термической обработки, что напрямую влияет на износостойкость рабочих поверхностей, а, следовательно, и на ресурс изделия. Приповерхностные объемы испытывают повышенные нагрузки, поэтому важной задачей является формирование высокопрочных слоев. Известно достаточно много методов поверхностного упрочнения, среди которых широкое применение получили цементация, азотирование, нитроцементация и др. Наиболее перспективным является азотирование, поскольку при этом происходит повышение твердости, прочности, предела усталости, жаростойкости. Однако при должных достоинствах азотирование имеет ряд недостатков, среди которых длительность выдержки и малая толщина диффузионных слоев. Поэтому разработка методик, позволяющих интенсифицировать рассматриваемый процесс, также является актуальной задачей. Традиционно, решение связано с интенсификацией технологического процесса путем повышения температуры азотирования, активации сред азотирования или непосредственно поверхности деталей. Все эти решения направлены на ускорение процессов диффузии как по объему зерна, так и по межзеренным границам, скорость по которым многократно превосходит скорость объемной диффузии. Учитывая это, эффективным может оказаться использование нового типа конструкционных металлических материалов с многослойным строением из сотен слоев с толщинами микронного и субмикронного диапазона, разделенными между собой большими угловыми границами. В работе приведены результаты металлографического исследования, показывающие влияние чередования слоев сталей в многослойных металлических материалах на глубину диффузии при проведении химико-термической обработки азотированием. Предложена модель ускоренного проникновения диффундирующего элемента по границам слоев.</p></abstract><trans-abstract xml:lang="en"><p>Diffusion processes play a key role in formation of the structures of new materials and technological processes of strengthening heat treatments, since diffusion is the reason for redistribution of substances in solids. An urgent task is to develop technologically advanced and effective methods for strengthening materials in order to improve their performance properties. There is an increasing need to improve chemical heat treatment methods, which directly affects the wear resistance of working surfaces, and, consequently, the product service life. Near-surface volumes experience increased loads, so the formation of high-strength layers becomes an important task. Quite a few methods of surface hardening are known, among which carburization, nitriding, nitrocarburization and others are widely used. The most interesting is nitriding, since it increases hardness, strength, fatigue limit, and heat resistance. However, despite the proper advantages, nitriding has a number of disadvantages, including the holding duration and small thickness of diffusion layers. The solution is related to intensification of the technological process by increasing the nitriding temperature, activating the nitriding media or directly the parts surface. All these solutions are aimed at accelerating diffusion processes, both in grain volume and along grain boundaries, the velocity along which is many times higher than the velocity of volumetric diffusion. It may be effective to use a new type of structural metal materials with a multilayer structure of hundreds of layers, with thicknesses in the micron and submicron ranges separated by large angular boundaries. The results of metallographic studies showed the effect of the steel layers interchange in the multilayer metal material on diffusion depth after chemical heat treatment. The authors proposed an accelerate diffusion model of diffusible element along the layer boundaries.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>многослойные материалы</kwd><kwd>химико-термическая обработка</kwd><kwd>азотирование</kwd><kwd>границы слоев</kwd><kwd>диффузия</kwd></kwd-group><kwd-group xml:lang="en"><kwd>multilayer metal materials</kwd><kwd>chemical heat treatment</kwd><kwd>nitriding</kwd><kwd>layer boundaries</kwd><kwd>diffusion</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">Лахтин Я.М., Коган Я.Д., Шпис Г.И., Бемер З. Теория и технология азотирования. Москва: Металлургия; 1991:320.</mixed-citation><mixed-citation xml:lang="en">Lakhtin Yu.M., Kogan Ya.D., Shpis G.I., Bemer Z. 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