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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">10.17073/0368-0797-2025-6-563-571</article-id><article-id custom-type="elpub" pub-id-type="custom">blackmet-2990</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>МЕТАЛЛУРГИЧЕСКИЕ ТЕХНОЛОГИИ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>METALLURGICAL TECHNOLOGIES</subject></subj-group></article-categories><title-group><article-title>Прочностные характеристики выплавляемых моделей, получаемых уплотнением порошков воскообразных материалов в поле действия центробежных сил</article-title><trans-title-group xml:lang="en"><trans-title>Strength characteristics of investment patterns obtained by compaction of waxy material powders in the field of centrifugal forces</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-8769-8194</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Богданова</surname><given-names>Н. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Bogdanova</surname><given-names>N. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Нина Анатольевна Богданова, младший научный сотрудник лаборатории проблем создания и обработки материалов и изделий</p><p>Россия, 681005, Хабаровский край, Комсомольск-на-Амуре, ул. Металлургов, 1</p></bio><bio xml:lang="en"><p>Nina A. Bogdanova, Junior Researcher of the Laboratory of Problems of Creation and Processing of Materials and Products</p><p>1 Metallurgov Str., Komsomolsk-on-Amur, Khabarovsk Territory 681005, Russian Federation</p></bio><email xlink:type="simple">joyful289@inbox.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/0000-0002-0865-7109</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Жилин</surname><given-names>С. Г.</given-names></name><name name-style="western" xml:lang="en"><surname>Zhilin</surname><given-names>S. G.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Сергей Геннадьевич Жилин, к.т.н., доцент, ведущий научный сотрудник лаборатории проблем создания и обработки материалов и изделий</p><p>Россия, 681005, Хабаровский край, Комсомольск-на-Амуре, ул. Металлургов, 1</p></bio><bio xml:lang="en"><p>Sergei G. Zhilin, Cand. Sci. (Eng.), Assist. Prof., Leading Researcher of the Laboratory of Problems of Creation and Processing of Materials and Products</p><p>1 Metallurgov Str., Komsomolsk-on-Amur, Khabarovsk Territory 681005, Russian Federation</p></bio><email xlink:type="simple">zhilin@imim.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/0000-0002-5808-2104</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Предеин</surname><given-names>В. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Predein</surname><given-names>V. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Валерий Викторович Предеин, к.т.н., научный сотрудник лаборатории проблем создания и обработки материалов и изделий</p><p>Россия, 681005, Хабаровский край, Комсомольск-на-Амуре, ул. Металлургов, 1</p></bio><bio xml:lang="en"><p>Valerii V. Predein, Cand. Sci. (Eng.), Research Associate of the Laboratory of Problems of Creation and Processing of Materials and Products</p><p>1 Metallurgov Str., Komsomolsk-on-Amur, Khabarovsk Territory 681005, Russian Federation</p></bio><email xlink:type="simple">predein3@mail.ru</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Институт машиноведения и металлургии Хабаровского Федерального исследовательского центра Дальневосточного отделения РАН</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Institute of Machinery and Metallurgy of the Khabarovsk Federal Research Center of the Far-Eastern Branch &#13;
of the Russian Academy of Sciences</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2025</year></pub-date><pub-date pub-type="epub"><day>08</day><month>01</month><year>2026</year></pub-date><volume>68</volume><issue>6</issue><fpage>563</fpage><lpage>571</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Богданова Н.А., Жилин С.Г., Предеин В.В., 2026</copyright-statement><copyright-year>2026</copyright-year><copyright-holder xml:lang="ru">Богданова Н.А., Жилин С.Г., Предеин В.В.</copyright-holder><copyright-holder xml:lang="en">Bogdanova N.A., Zhilin S.G., Predein V.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://fermet.misis.ru/jour/article/view/2990">https://fermet.misis.ru/jour/article/view/2990</self-uri><abstract><p>Использование процесса литья по выплавляемым моделям направлено на получение отливок сложной конфигурации с повышенной размерной и геометрической точностью из широкого диапазона литейных сталей и цветных сплавов. Ряд операций при осуществлении такого процесса сопровождается появлением дефектов теплофизической природы (усадка модельного материала и его температурное расширение при выплавлении, приводящее к нарушению целостности керамической формы), что, в известной мере, препятствует расширению номенклатуры литья. Формирование экспериментальных пористых выплавляемых моделей прессованием порошков воскообразных материалов направлено на устранение данных дефектов, но, в силу недостатка сведений о процессах, сопровождающих уплотнение воскообразных порошков (в ряде случаев, проявляющихся в упругом отклике материала или изменении прочностных характеристик прессовок), требует отдельного изучения. Ранее было установлено, что распределение значений плотности в прессовке, выполненной из порошка парафина, обеспечивается направленным нагружением уплотняемого материала, в том числе в поле действия центробежных сил, что позволяет получать конфигурацию поверхности тела вращения с прогнозируемым распределением свойств в каждом его участке. В настоящей работе, на примере формирования участка тела вращения, приведено сравнение расчетных и экспериментальных зависимостей относительной плотности прессовок (полученных из разных фракций материала ПС 50/50) от напряжений, возникающих при их уплотнении в поле действия центробежных сил, а также средних значений плотностей прессовок от скорости вращения форм. Представлены картины напряженно-деформированного состояния прессовок при определении значений их прочности на сжатие, характерные для различных воскообразных материалов. Результаты эксперимента направлены на решение задач повышения эффективности процессов получения выплавляемых моделей, конфигурация которых представляет собой тело вращения, образованное уплотнением порошковых воскообразных материалов в поле действия центробежных сил.</p></abstract><trans-abstract xml:lang="en"><p>The use of investment casting process is aimed at producing castings of complex configuration with increased dimensional and geometric accuracy from a wide range of casting steels and non-ferrous alloys. A number of operations during the implementation of such a process are accompanied by the appearance of defects of a thermophysical nature (shrinkage of the pattern material and its thermal expansion during melting, leading to a violation of the ceramic mold integrity), which, to a certain extent, prevents the expansion of the casting nomenclature. The formation of experimental porous investment patterns by compaction of powders of waxy materials is aimed at eliminating such defects, but, due to the lack of information on the processes accompanying the compaction of waxy powders (in some cases manifested in the elastic response of the material or a change in the strength characteristics of the compacts), requires separate study. It was previously established that the distribution of density values in a paraffin powder compact is provided by directional loading of the compacted material, including in the field of centrifugal forces, which allows obtaining the surface configuration of a body of revolution with a predictable distribution of properties in each of its sections. In this paper, using the example of forming a section of a body of revolution, a comparison is given of the calculated and experimental dependencies of the relative density of compacts (obtained from different fractions of the PS50/50 material) on the stresses arising during their compaction in the field of centrifugal forces, as well as the average values of the density of compacts on the molds rotation speed. Pictures of the stress-strain state of compacts are presented when determining the values of their compressive strength characteristic of various waxy materials. The results of the experiment are aimed at solving the problems of increasing the efficiency of processes for obtaining investment patterns, the configuration of which is a body of revolution, formed by compaction of powdered waxy materials in the field of centrifugal forces.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>литье по выплавляемым моделям</kwd><kwd>черные и цветные сплавы</kwd><kwd>экспериментальное моделирование</kwd><kwd>машиностроительные процессы</kwd><kwd>поле действия центробежных сил</kwd><kwd>напряженно-деформированное состояние</kwd><kwd>прессовка</kwd><kwd>пористость</kwd><kwd>упругий отклик</kwd><kwd>прочность</kwd></kwd-group><kwd-group xml:lang="en"><kwd>investment casting</kwd><kwd>ferrous and non-ferrous alloys</kwd><kwd>experimental modeling</kwd><kwd>mechanical engineering processes</kwd><kwd>field of centrifugal forces</kwd><kwd>stress-strain state</kwd><kwd>compact</kwd><kwd>porosity</kwd><kwd>elastic response</kwd><kwd>strength</kwd></kwd-group><funding-group><funding-statement xml:lang="ru">Работа выполнена в рамках государственного задания Института машиноведения и металлургии Хабаровского Федерального исследовательского центра Дальневосточного отделения РАН. В работе использованы фото Фирсова С.В.</funding-statement><funding-statement xml:lang="en">This work was performed as part of a state assignment for the Institute of Machinery and Metallurgy of the Khaba­rovsk Federal Research Center of the Far Eastern Branch of the Russian Academy of Sciences. The authors used the photos by S.V. Firsov in this work.</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">Yuan G., Li Y., Hu L., Fu W. Preparation of shaped aluminum foam parts by investment casting. Journal of Materials Processing Technology. 2023;314:117897. https://doi.org/10.1016/j.jmatprotec.2023.117897</mixed-citation><mixed-citation xml:lang="en">Yuan G., Li Y., Hu L., Fu W. Preparation of shaped aluminum foam parts by investment casting. 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