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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">10.17073/0368-0797-2022-11-758-768</article-id><article-id custom-type="elpub" pub-id-type="custom">blackmet-2429</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>Экспериментальное моделирование процессов формирования объемных прессовок из сферических воскообразных элементов</article-title><trans-title-group xml:lang="en"><trans-title>Experimental simulation of volumetric compacts formation from spherical waxy elements</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-0865-7109</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</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</p><p>1 Metallurgov Str., Komsomolsk-on-Amur, Khabarovsk Territory 681005, Russian Federation</p></bio><email xlink:type="simple">sergeyzhilin1@rambler.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/0000-0002-8769-8194</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</p><p>Россия, 681005, Хабаровский край, Комсомольск-на-Амуре, ул. Металлургов, 1</p></bio><bio xml:lang="en"><p>Nina A. Bogdanova, Junior Researcher</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/0000-0002-7121-4271</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Комаров</surname><given-names>О. Н.</given-names></name><name name-style="western" xml:lang="en"><surname>Komarov</surname><given-names>O. N.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Олег Николаевич Комаров, к.т.н., доцент, директор</p><p>Россия, 681005, Хабаровский край, Комсомольск-на-Амуре, ул. Металлургов, 1</p></bio><bio xml:lang="en"><p>Oleg N. Komarov, Cand. Sci. (Eng.), Assist. Prof., Director</p><p>1 Metallurgov Str., Komsomolsk-on-Amur, Khabarovsk Territory 681005, Russian Federation</p></bio><email xlink:type="simple">olegnikolaevitsch@rambler.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 Metallurgy and Mechanical Engineering of the Khabarovsk Federal Research Center, Far Eastern Branch of the Russian Academy of Sciences</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2022</year></pub-date><pub-date pub-type="epub"><day>22</day><month>11</month><year>2022</year></pub-date><volume>65</volume><issue>11</issue><fpage>758</fpage><lpage>768</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Жилин С.Г., Богданова Н.А., Комаров О.Н., 2022</copyright-statement><copyright-year>2022</copyright-year><copyright-holder xml:lang="ru">Жилин С.Г., Богданова Н.А., Комаров О.Н.</copyright-holder><copyright-holder xml:lang="en">Zhilin S.G., Bogdanova N.A., Komarov O.N.</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/2429">https://fermet.misis.ru/jour/article/view/2429</self-uri><abstract><p>Рост металлоемкости промышленного производства и объемов потребления готовой металлопродукции определяет актуальность разработки и исследования энергоэффективных технологических процессов, направленных на сокращение издержек за счет снижения числа операций при сохранении эксплуатационных характеристик продукта. В машиностроении задачи получения заготовок повышенной размерно-геометрической точности и сложной конфигурации решаются при помощи распространенного метода литья по выплавляемым моделям. Увеличению применения такого технологического подхода к получению заготовок в машиностроении препятствует ряд физических явлений, связанных с термическим расширением модельных и керамических материалов, что приводит к росту конечной стоимости продукта. Устранение значительного числа дефектообразующих факторов возможно за счет применения инновационного решения, заключающегося в формировании пористых удаляемых моделей прессованием композиций на основе воскообразных материалов. Таким способом решается проблема усадки материала и повышается трещиностойкость керамических форм, что позволяет в значительной мере сократить долю механической обработки заготовок в общем объеме технологических операций. Технические испытания нового метода позволили установить причину, по которой в настоящее время не удается полностью избавиться от операций механической обработки литых заготовок. Проблема преимущественно состоит в упругом отклике уплотняемого материала модельной композиции, что в ряде случаев сказывается на увеличении размеров прессовок. В работе рассмотрено исследование влияния начальной упаковки элементов сферической формы, имитирующих одно- и двухкомпонентные модельные композиции, на напряженно-деформированное состояние порошкового тела, подвергающегося одностороннему уплотнению в жесткой цилиндрической матрице до технологически обоснованных значений плотности. Результаты эксперимента представлены в виде зависимостей напряжения от деформации. Рассмотрены предпочтительные условия формирования прессовок с минимальными значениями упругого отклика уплотненного материала.</p></abstract><trans-abstract xml:lang="en"><p>The growth in metal intensity of industrial production and the volume of consumption of finished metal products determine the relevance of development and research of energy efficient technological processes aimed at reducing costs by reducing the number of operations while maintaining product performance. In mechanical engineering, the problem of obtaining blanks with increased dimensional and geometric accuracy and complex configuration is solved by using a common method of investment casting. Expansion of the use of such technological approach to produce blanks in mechanical engineering is hindered by a number of physical phenomena associated with the thermal expansion of investment and ceramic materials, which leads to an increase in the product final cost. A significant number of defect-forming factors can be eliminated by applying an innovative solution consisting in the formation of porous removable models by compacting mixtures based on waxy materials. This solves the problem of material shrinkage and increases the crack resistance of ceramic molds, which significantly reduces the share of machining in the overall volume of technological operations. Technical tests of the new method have revealed the reason why the machining of castings cannot be completely eliminated at present. The problem mainly lies in elastic response of compacted material of the model mixture, which, in some cases, affects the increase in the compacts size. This paper considers the effect of initial packing of spherical-shaped elements simulating one- and two-component model mixtures on the stress-strain state of a powder body subjected to unilateral compaction in a rigid cylindrical matrix to technologically justified density values. The results of the experiment are presented in the form of stress-strain relations. Preferable conditions of compact formation with minimal values of elastic response of the compacted material are considered.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>металлоемкое производство</kwd><kwd>специальные методы литья</kwd><kwd>технологические процессы</kwd><kwd>экспериментальное моделирование</kwd><kwd>формирование прессовок</kwd><kwd>воскообразные материалы</kwd><kwd>напряженно-деформированное состояние</kwd></kwd-group><kwd-group xml:lang="en"><kwd>metal-intensive production</kwd><kwd>special casting methods</kwd><kwd>technological processes</kwd><kwd>experimental modeling</kwd><kwd>molding</kwd><kwd>waxy materials</kwd><kwd>stress-strain state</kwd></kwd-group><funding-group><funding-statement xml:lang="ru">Работа выполнена в рамках государственного задания Хабаровского Федерального исследовательского центра Дальневосточного отделения РАН.</funding-statement><funding-statement xml:lang="en">The work was performed within the framework of the state task of Khabarovsk Federal Research Center, Far Eastern Branch of the Russian Academy of Sciences.</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">Zhou L., Xu J.F., Xu X.B. 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