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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">lim</journal-id><journal-title-group><journal-title xml:lang="ru">Литье и металлургия</journal-title><trans-title-group xml:lang="en"><trans-title>Litiyo i Metallurgiya (FOUNDRY PRODUCTION AND METALLURGY)</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">1683-6065</issn><issn pub-type="epub">2414-0406</issn><publisher><publisher-name>BNTU</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.21122/1683-6065-2024-3-41-44</article-id><article-id custom-type="elpub" pub-id-type="custom">lim-3709</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>Литейное производство</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>Foundry</subject></subj-group></article-categories><title-group><article-title>Структурная наследственность при литье эвтектических чугунов</article-title><trans-title-group xml:lang="en"><trans-title>Structural heredity in the casting of eutectic cast iron</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>Марукович</surname><given-names>Е. И.</given-names></name><name name-style="western" xml:lang="en"><surname>Marukovich</surname><given-names>E. I.</given-names></name></name-alternatives><bio xml:lang="ru"/><bio xml:lang="en"/><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Стеценко</surname><given-names>В. Ю.</given-names></name><name name-style="western" xml:lang="en"><surname>Stetsenko</surname><given-names>V. Yu.</given-names></name></name-alternatives><bio xml:lang="ru"/><bio xml:lang="en"/><email xlink:type="simple">stetsenko.52@bk.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>Стеценко</surname><given-names>А. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Stetsenko</surname><given-names>A. V.</given-names></name></name-alternatives><bio xml:lang="ru"/><bio xml:lang="en"/><xref ref-type="aff" rid="aff-2"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Ассоциация литейщиков и металлургов Республики Беларусь</institution><country>Беларусь</country></aff><aff xml:lang="en"><institution>Association of Foundrymen and Metallurgists of Belarus</institution><country>Belarus</country></aff></aff-alternatives><aff-alternatives id="aff-2"><aff xml:lang="ru"><institution>Белорусско‑Российский университет</institution><country>Беларусь</country></aff><aff xml:lang="en"><institution>Belarusian‑Russian University</institution><country>Belarus</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2024</year></pub-date><pub-date pub-type="epub"><day>16</day><month>09</month><year>2024</year></pub-date><volume>0</volume><issue>3</issue><fpage>41</fpage><lpage>44</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Марукович Е.И., Стеценко В.Ю., Стеценко А.В., 2024</copyright-statement><copyright-year>2024</copyright-year><copyright-holder xml:lang="ru">Марукович Е.И., Стеценко В.Ю., Стеценко А.В.</copyright-holder><copyright-holder xml:lang="en">Marukovich E.I., Stetsenko V.Y., Stetsenko A.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://lim.bntu.by/jour/article/view/3709">https://lim.bntu.by/jour/article/view/3709</self-uri><abstract><p>Показано, что эффект структурной наследственности при литье эвтектических чугунов можно объяснить с позиции наноструктурной кристаллизации литейных сплавов. Предложен механизм структурной наследственности при литье эвтектических чугунов. Этот механизм определяется устойчивостью центров кристаллизации микрокристаллов аустенита, графита, цементита. Показано, что устойчивость зависит от концентрации адсорбированных атомов кислорода. Чем выше концентрация, тем менее устойчивы центры кристаллизации микрокристаллов аустенита, графита, цементита в расплавах эвтектических чугунов, и наоборот. При увеличении перегревов и (или) времени выдержки расплавов в них повышается концентрация адсорбированных атомов кислорода. В результате снижается структурная устойчивость при переплавке эвтектических чугунов и нарушается эффект структурной наследственности.</p></abstract><trans-abstract xml:lang="en"><p>It has been shown that the effect of structural inheritance in casting eutectic cast irons can be explained from the standpoint of nanostructured crystallization of foundry alloys. Proposed is a mechanism of structural heredity when casting eutectic cast irons. This mechanism is determined by the stability of the crystallization centers of microcrystals of austenite, graphite, cementite. This stability has been shown to depend on the concentration of adsorbed oxygen atoms. The higher this concentration, the less stable the centers of crystallization of microcrystals of austenite, graphite, cementite in melts of eutectic cast irons, and vice versa. With an increase in overheating and (or) the holding time of melts, the concentration of adsorbed oxygen atoms in them increases. As a result, structural stability during remelting of eutectic cast irons is reduced and the effect of structural heredity is disturbed.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>структурная наследственность</kwd><kwd>литье</kwd><kwd>чугуны</kwd><kwd>центры кристаллизации</kwd><kwd>адсорбция</kwd><kwd>нанокристаллы</kwd><kwd>атомы кислорода</kwd></kwd-group><kwd-group xml:lang="en"><kwd>structural heredity</kwd><kwd>casting</kwd><kwd>cast iron</kwd><kwd>crystallization centers</kwd><kwd>adsorption</kwd><kwd>nanocrystals</kwd><kwd>oxygen atoms</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">Никитин, В. И. Наследственность в литых сплавах / В. И. Никитин, К. В. Никитин. – М.: Машиностроение-1, 2005. – 476 с.</mixed-citation><mixed-citation xml:lang="en">Nikitin V. I., Nikitin K. V. Nasledstvennost’ v lityh splavah [Heredity in cast alloys]. 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