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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">zldm</journal-id><journal-title-group><journal-title xml:lang="ru">Заводская лаборатория. Диагностика материалов</journal-title><trans-title-group xml:lang="en"><trans-title>Industrial laboratory. Diagnostics of materials</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">1028-6861</issn><issn pub-type="epub">2588-0187</issn><publisher><publisher-name>ООО «Издательство «ТЕСТ-ЗЛ»</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.26896/1028-6861-2022-88-7-63-72</article-id><article-id custom-type="elpub" pub-id-type="custom">zldm-1703</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>ИССЛЕДОВАНИЕ СТРУКТУРЫ И СВОЙСТВ. МЕХАНИКА МАТЕРИАЛОВ: ПРОЧНОСТЬ, РЕСУРС, БЕЗОПАСНОСТЬ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>TESTING OF STRUCTURE AND PARAMETERS. MECHANICAL TESTING METHODS</subject></subj-group></article-categories><title-group><article-title>Сравнение прочностных и структурных свойств образцов из нержавеющей стали EOS PH1 аддитивного производства и из закаленной стали марки 30ХГСА традиционного изготовления</article-title><trans-title-group xml:lang="en"><trans-title>Comparison of the strength and structural properties of the specimens made of EOS PH1 stainless steel of additive manufacturing and 30KhGSA hardened steel of traditional production</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>Леонтьева</surname><given-names>Ю. О.</given-names></name><name name-style="western" xml:lang="en"><surname>Leonteva</surname><given-names>Yu. O.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Юлиана Олеговна Леонтьева</p><p>Россия, 140180, Московская область, г. Жуковский, ул. Жуковского, д. 1</p></bio><bio xml:lang="en"><p>Yuliana O. Leonteva</p><p>1, ul. Zhukovskogo, Zhukovsky, Moscow obl., 140180</p></bio><email xlink:type="simple">Juliana.leonteva@mail.ru</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Центральный аэрогидродинамический институт имени проф. Н. Е. Жуковского</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Professor N. E. Zhukovsky Aerohydrodynamic Institute (TsAGI)</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2022</year></pub-date><pub-date pub-type="epub"><day>21</day><month>07</month><year>2022</year></pub-date><volume>88</volume><issue>7</issue><fpage>63</fpage><lpage>72</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Леонтьева Ю.О., 2022</copyright-statement><copyright-year>2022</copyright-year><copyright-holder xml:lang="ru">Леонтьева Ю.О.</copyright-holder><copyright-holder xml:lang="en">Leonteva Y.O.</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://www.zldm.ru/jour/article/view/1703">https://www.zldm.ru/jour/article/view/1703</self-uri><abstract><p>В настоящее время во многих отраслях промышленности, в том числе и в авиационной, происходит активное замещение традиционных способов изготовления материалов аддитивными технологиями для мелкосерийного производства сложнопрофильных изделий. Наряду с такими известными методами аддитивного производства, как селективное лазерное спекание, лазерная и плазменная наплавка металла, электронно-лучевое сплавление и другими, эффективное применение находит и метод селективного лазерного сплавления. Результаты сравнения структурных и прочностных свойств материалов для изготовления сложнопрофильных изделий, получаемых с помощью аддитивных технологий и традиционным способом, показали преимущество аддитивных методов, что является основанием для их внедрения в промышленность. Цель работы — сравнительные исследования микроструктуры, механических свойств, циклической долговечности и усталостных изломов образцов из нержавеющей стали EOS PH1 аддитивного производства и из закаленной стали марки 30ХГСА традиционного изготовления. Испытания образцов на сопротивление усталости проводили при одноосном растяжении. С помощью стереомикроскопа и сканирующего электронного микроскопа изучали микрошлифы поперечных сечений образцов. Фрактографические исследования макро- и микрокартин изломов образцов проводили в целях определения особенностей строения изломов, очагов усталостного разрушения и их связи с несовершенствами микроструктуры. Установлено, что метод селективного лазерного сплавления позволяет изготавливать образцы из нержавеющей стали EOS PH1, обладающие достаточно высокими показателями временного сопротивления разрыву, сопоставимыми с аналогичными показателями для образцов из стали 30ХГСА. Таким образом, нержавеющая сталь EOS PH1 имеет большой потенциал применения в качестве материала для изготовления деталей и изделий, к которым предъявляются высокие требования по прочности, твердости и усталостной долговечности.</p></abstract><trans-abstract xml:lang="en"><p>Nowadays, promising and dynamically developing additive manufacturing of complex parts for small-scale production actively succeeds traditional technologies in many industries including aircraft engineering. A method of selective laser fusing also finds effective application along with a well-known methods of additive manufacturing like selective laser sintering, laser metal deposition, plasma-jet hard-facing and electron beam melting etc. The results of comparing the structural, mechanical and tensile strength properties of materials used for manufacturing complex-shaped products by additive and traditional methods revealed the advantage of additive manufacturing which is the basis for their introduction into industry. The goal of the study is a comparative study of the microstructure, mechanical characteristics, fatigue life and fatigue fracture of the specimens made of EOS PH1 stainless steel produced by additive manufacturing and 30KhGSA hardened steel specimens obtained by a traditional technology. Fatigue resistance tests of the specimens were carried out in conditions of uniaxial longitudinal stretching. The microstructural features of the microsections of the cross sections of the samples were studied using stereomicroscope and scanning electron microscopy. Fractographic study of the macro- and micro fracture patterns of the specimens was carried out to identify the structural features of the fractures, fracture nuclei and their correlation with the microstructural imperfections. It is shown that selective laser melting technology used for manufacturing EOS PH1 stainless steel specimens, provides production of the specimens with a rather high tensile strength characteristics comparable to the characteristics of 30KhGSA hardened steel specimens. Therefore, EOS PH1 stainless steel has a great potential as a material for manufacturing parts and products that have high requirements for the strength, hardness and fatigue life.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>аддитивное производство</kwd><kwd>селективное лазерное сплавление</kwd><kwd>усталостное разрушение</kwd><kwd>фрактографические исследования</kwd><kwd>нержавеющая сталь</kwd><kwd>хромансиль</kwd></kwd-group><kwd-group xml:lang="en"><kwd>additive manufacturing</kwd><kwd>selective laser melting</kwd><kwd>fatigue fracture</kwd><kwd>fractographic research</kwd><kwd>stainless steel</kwd><kwd>chromansil</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">Смирнов О. И. Имитационное моделирование технологий послойного синтеза в машиностроении / Электронный журнал «Труды МАИ». 2014. № 37. С. 1 – 25.</mixed-citation><mixed-citation xml:lang="en">Smirnov O. 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