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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-2024-5-55-65</article-id><article-id custom-type="elpub" pub-id-type="custom">powder-923</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>Исследование характеристик режущих пластин из твердого сплава WC–5TiC–10Co, полученных с применением пластиковой формы, изготовленной методом 3D-печати</article-title><trans-title-group xml:lang="en"><trans-title>Investigation of the properties of WC–5TiC–10Co cutting inserts produced using a 3D-printed plastic mold</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-1216-4438</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Дворник</surname><given-names>М. И.</given-names></name><name name-style="western" xml:lang="en"><surname>Dvornik</surname><given-names>M. I.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Максим Иванович Дворник – к.т.н., ст. науч. сотрудник, заведующий лабораторией порошковой металлургии</p><p>Россия, 680042, г. Хабаровск, ул. Тихоокеанская, 153</p></bio><bio xml:lang="en"><p>Maksim I. Dvornik – Cand. Sci. (Eng.), Senior Researcher, Head of the Laboratory of Powder Metallurgy</p><p>153 Tikhookeanskaya Str., Khabarovsk 680042, Russia</p></bio><email xlink:type="simple">maxxxx80@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/0000-0002-4515-9109</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Михайленко</surname><given-names>Е. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Mikhailenko</surname><given-names>E. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Елена Альбертовна Михайленко – к.ф.-м.н., ст. науч. сотрудник лаборатории порошковой металлургии</p><p>Россия, 680042, г. Хабаровск, ул. Тихоокеанская, 153</p></bio><bio xml:lang="en"><p>Elena A. Mikhailenko – Cand. Sci. (Phys.-Math.), Senior Researcher, Laboratory of Powder Metallurg</p><p>153 Tikhookeanskaya Str., Khabarovsk 680042, Russia</p></bio><email xlink:type="simple">mea80@list.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/0000-0002-5636-4669</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Бурков</surname><given-names>А. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Burkov</surname><given-names>A. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Александр Анатольевич Бурков – к.ф.-м.н., ст. науч. сотрудник, заведующий лабораторией «Физико-химические основы материалов»</p><p>Россия, 680042, г. Хабаровск, ул. Тихоокеанская, 153</p></bio><bio xml:lang="en"><p>Aleksandr A. Burkov – Cand. Sci. (Phys.-Math.), Senior Researcher, Head of the Laboratory “Physical and Chemical Bases of Mate­rials”</p><p>153 Tikhookeanskaya Str., Khabarovsk 680042, Russia</p></bio><email xlink:type="simple">burkovalex@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>Черняков</surname><given-names>Е. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Chernyakov</surname><given-names>E. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Евгений Витальевич Черняков – лаборант лаборатории порошковой металлургии</p><p>Россия, 680042, г. Хабаровск, ул. Тихоокеанская, 153</p></bio><bio xml:lang="en"><p>Evgeny V. Chernyakov – Laboratory Assistant, Laboratory of Powder Metallurgy</p><p>153 Tikhookeanskaya Str., Khabarovsk 680042, Russia</p></bio><email xlink:type="simple">tchernyakoffevgeny@yandex.ru</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Институт материаловедения Хабаровского федерального исследовательского центра &#13;
Дальневосточного отделения РАН</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Institute of Materials Science of the Khabarovsk Federal Research Center of the Far Eastern Branch of the Russian Academy of Sciences</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2024</year></pub-date><pub-date pub-type="epub"><day>27</day><month>10</month><year>2024</year></pub-date><volume>18</volume><issue>5</issue><fpage>55</fpage><lpage>65</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Дворник М.И., Михайленко Е.А., Бурков А.А., Черняков Е.В., 2024</copyright-statement><copyright-year>2024</copyright-year><copyright-holder xml:lang="ru">Дворник М.И., Михайленко Е.А., Бурков А.А., Черняков Е.В.</copyright-holder><copyright-holder xml:lang="en">Dvornik M.I., Mikhailenko E.A., Burkov A.A., Chernyakov E.V.</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/923">https://powder.misis.ru/jour/article/view/923</self-uri><abstract><p>Были изготовлены режущие пластины из твердого сплава WC–5TiC–10Co спеканием заготовок, спрессованных в пластиковой форме, полученной из полилактида на 3D-принтере методом послойной наплавки. Исследовано влияние давления прессования и содержания пластификатора (каучука) в порошковой смеси на плотность заготовок. С повышением давления прессования от 50 до 200 МПа плотность заготовок возрастает только на 2–6 %. При увеличении концентрации пластификатора в порошковой смеси с 1 до 6 % происходит повышение плотности заготовок на 28–32 %. Установлено, что значения плотности заготовок режущих пластин, получаемых в пластиковой пресс-форме, незначительно отличаются от плотности стандартных заготовок, получаемых в стальной пресс-форме. После спекания в вакуумной печи при температуре 1450 °С были исследованы плотность, содержание углерода, пористость, микроструктура, шероховатость поверхности, твердость и вязкость разрушения всех спеченных режущих пластин, стандартных образцов и коммерческого аналога. Показано, что формирование свободного углерода в результате разложения каучука приводит к снижению плотности готовых изделий, а следовательно, и их твердости. Относительная плотность (98,7 %) режущей пластины, полученной в пластиковой пресс-форме при давлении прессования 50 МПа из порошка, содержащего 1 % каучука, превышает плотность коммерческой режущей пластины (98,5 %). Полученная режущая пластина имеет высокие твердость (1400 HV) и вязкость разрушения (13,5 МПа·м1/2). Изготовленная режущая пластина из сплава WC–5TiC–10Co не уступает по скорости износа по задней грани коммерческой пластине из твердого сплава Т5К10 при точении стальной заготовки.</p></abstract><trans-abstract xml:lang="en"><p>Cutting inserts made from the WC–5TiC–10Co hard alloy were produced by sintering blanks that were pressed in a plastic mold made from polylactide on a 3D printer using a layer-by-layer deposition method. The effect of pressing pressure and plasticizer (rubber) content in the powder mixture on the density of the blanks was studied. As the pressing pressure increased from 50 to 200 MPa, the density of the blanks rose by only 2–6 %. When the plasticizer concentration in the powder mixture increased from 1 to 6 %, the blank density increased by 28–32 %. It was found that the density values of the cutting insert blanks obtained in a plastic mold differed only slightly from those of standard blanks produced in a steel mold. After sintering in a vacuum furnace at 1450 °C, the density, carbon content, porosity, microstructure, surface roughness, hardness, and fracture toughness of all the sintered cutting inserts, standard samples, and the commercial equivalent were investigated. It was shown that the formation of free carbon as a result of rubber decomposition leads to a decrease in the density of the finished products, and therefore, their hardness. The relative density (98.7 %) of the cutting insert produced in the plastic mold at a pressing pressure of 50 MPa from powder containing 1 % rubber exceeded the density of the commercial cutting insert (98.5 %). The obtained cutting insert demonstrated high hardness (1400 HV) and fracture toughness (13.5 MPa·m1/2). The cutting insert made from the WC–5TiC–10Co alloy is not inferior to the commercial T5K10 hard alloy insert in terms of flank wear rate during turning of a steel workpiece.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>режущая пластина</kwd><kwd>прессование</kwd><kwd>твердый сплав</kwd><kwd>3D-печать</kwd><kwd>пресс-форма</kwd><kwd>полилактид</kwd></kwd-group><kwd-group xml:lang="en"><kwd>cutting insert</kwd><kwd>pressing</kwd><kwd>hard alloy</kwd><kwd>3D printing</kwd><kwd>mold</kwd><kwd>polylactide</kwd></kwd-group><funding-group><funding-statement xml:lang="ru">Исследование проведено при поддержке гранта РНФ № 23-29-00063.</funding-statement><funding-statement xml:lang="en">This research was supported by the Russian Science Foundation grant No. 23-29-00063.</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">Анисименко Г.Е., Лопатин Ю.М. 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