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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">vsgiu</journal-id><journal-title-group><journal-title xml:lang="ru">Вестник Сибирского государственного индустриального университета</journal-title><trans-title-group xml:lang="en"><trans-title>Bulletin of the Siberian State Industrial University</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">2304 - 4497</issn><issn pub-type="epub">2307-1710</issn><publisher><publisher-name>Федеральное государственное бюджетное образовательное учреждение высшего образования "Сибирский государственный индустриальный университет"</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.57070/2304-4497-2023-1(43)-50-58</article-id><article-id custom-type="elpub" pub-id-type="custom">vsgiu-139</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>Раздел 3. Металлургия и материаловедение</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>Section 3. Metallurgy and Materials Science</subject></subj-group></article-categories><title-group><article-title>ВЛИЯНИЕ ДОБАВОК ЦИНКА НА ТЕМПЕРАТУРНУЮ ЗАВИСИМОСТЬ ТЕПЛОЕМКОСТИ И ИЗМЕНЕНИЯ ТЕРМОДИНАМИЧЕСКИХ ФУНКЦИЙ СВИНЦОВО-СУРЬМЯНОГО СПЛАВА ССу3</article-title><trans-title-group xml:lang="en"><trans-title>INFLUENCE OF ZINC ADDITIVES ON THE TEMPERATURE DEPENDENCE          OF HEAT CAPACITY AND CHANGES IN THERMODYNAMIC FUNCTIONS OF LEAD-ANTIMONY ALLOY CCU3</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-2791-6508</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Ганиев</surname><given-names>Изатулло Наврузович</given-names></name><name name-style="western" xml:lang="en"><surname>Ganiev</surname><given-names>Izatullo N.</given-names></name></name-alternatives><bio xml:lang="ru"><p>д.х.н., профессор, академик, заведующий  лабораторией</p></bio><bio xml:lang="en"><p>Academician at NAST, Dr. Sci. (Chem.), professor, head of the laboratory</p></bio><email xlink:type="simple">ganievizatullo48@gmail.com</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>Аминбекова</surname><given-names>Мукадас Сироджидиновна</given-names></name><name name-style="western" xml:lang="en"><surname>Aminbekova</surname><given-names>Mukadas Sirodzhidinovna</given-names></name></name-alternatives><bio xml:lang="ru"><p>докторант</p></bio><bio xml:lang="en"><p>postdoctoral student</p></bio><email xlink:type="simple">vestnicsibgiu@sibsiu.ru</email><xref ref-type="aff" rid="aff-2"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Эшов</surname><given-names>Бахтиёр Бадалочик</given-names></name><name name-style="western" xml:lang="en"><surname>Eshov</surname><given-names>Bakhtier B.</given-names></name></name-alternatives><bio xml:lang="ru"><p>д.т.н., доцент, директор</p></bio><bio xml:lang="en"><p>Dr. Sci. (Eng.), associate lecturer, director</p></bio><email xlink:type="simple">ishov1967@mail.ru</email><xref ref-type="aff" rid="aff-3"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Муллоева</surname><given-names>Нукра Мазабшоевна</given-names></name><name name-style="western" xml:lang="en"><surname>Mulloeva</surname><given-names>Nukra M.</given-names></name></name-alternatives><bio xml:lang="ru"><p>к.х.н., заведующий лабораторией</p></bio><bio xml:lang="en"><p>Cand. Sci. (Chem.), head of the laboratory</p></bio><email xlink:type="simple">mulloeva.1984@mail.ru</email><xref ref-type="aff" rid="aff-3"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Наврузов</surname><given-names>Хуршед Парвизович</given-names></name><name name-style="western" xml:lang="en"><surname>Navruzov</surname><given-names>Khurshed Parvizovich</given-names></name></name-alternatives><bio xml:lang="ru"><p>младший научный сотрудник</p></bio><bio xml:lang="en"><p>junior researcher</p></bio><email xlink:type="simple">vestnicsibgiu@sibsiu.ru</email><xref ref-type="aff" rid="aff-4"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Национальной академии наук Таджикистана, Институт химии В.И. Никитина Национальной академии наук Таджикистана</institution><country>Россия</country></aff><aff xml:lang="en"><institution>V.I. Nikitin Institute of Chemistry of the National Academy of Sciences of Tajikistan </institution><country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-2"><aff xml:lang="ru"><institution>Институт химии им. В.И. Никитина  Национальной академии наук Таджикистана</institution><country>Russian Federation</country></aff><aff xml:lang="en"><institution>V.I. Nikitin Institute of Chemistry of the &#13;
National Academy of Sciences of Tajikistan</institution><country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-3"><aff xml:lang="ru"><institution>Центр исследования инновационных технологий при Национальной академии наук Таджикистана</institution><country>Russian Federation</country></aff><aff xml:lang="en"><institution>State Scientific Institution “Center of Innovation Development of Science and New Technologies” of the Academy of Sciences of the Republic of Tajikistan</institution><country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-4"><aff xml:lang="ru"><institution>Институт химии им. В.И. Никитина &#13;
Национальной академии наук Таджикистана</institution><country>Russian Federation</country></aff><aff xml:lang="en"><institution>V.I. Nikitin Institute of Chemistry of the National Academy of Sciences of Tajikistan</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2023</year></pub-date><pub-date pub-type="epub"><day>23</day><month>05</month><year>2025</year></pub-date><volume>0</volume><issue>1</issue><fpage>50</fpage><lpage>58</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Ганиев И.Н., Аминбекова М.С., Эшов Б.Б., Муллоева Н.М., Наврузов Х.П., 2025</copyright-statement><copyright-year>2025</copyright-year><copyright-holder xml:lang="ru">Ганиев И.Н., Аминбекова М.С., Эшов Б.Б., Муллоева Н.М., Наврузов Х.П.</copyright-holder><copyright-holder xml:lang="en">Ganiev I., Aminbekova M.S., Eshov B., Mulloeva N., Navruzov K.P.</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://vestnik.sibsiu.ru/jour/article/view/139">https://vestnik.sibsiu.ru/jour/article/view/139</self-uri><abstract><p>Сплавы на основе свинца обладают высокой теплопроводностью и соответствуют предъявляемым потребителями требованиям по ударным нагрузкам. Некоторые изделия из сплавов на основе свинца имеют однородную зернистую структуру, поэтому их можно использовать при больших нагрузках и низких постоянных скоростях. Важнейшими физическими характеристиками свинцовых сплавов являются теплоемкость и термодинамические функции. Термодинамические и теплофизические свойства свинца и его сплавов – предмет многочисленных экспериментальных и теоретических исследований. Имеющиеся экспериментальные данные включают измерения теплоемкости, энтальпии, энтропии и энергии Гиббса при нормальном давлении в диапазоне температур 298,15 – 550 К. В настоящей работе удельная теплоемкость и термодинамические функции свинцово-сурьмяного сплава ССу3, легированного цинком, определялись в режиме «охлаждения» по известной теплоемкости эталонного образца из свинца марки С00. Путем обработки кривых скоростей охлаждения образцов из сплава ССу3 с цинком и эталона получены полиномы, описывающие их скорости охлаждения. С использованием скорости охлаждения исследуемых образцов и эталона и их массы рассчитана удельная теплоемкость свинцово-сурьмяного сплава ССу3 с цинком в зависимости от температуры. Показано, что с ростом температуры и содержания цинка теплоемкость, энтальпия и энтропия сплавов растут, а значение энергии Гиббса уменьшается. При увеличении содержания цинка теплоемкость и энергия Гиббса сплавов увеличиваются. Добавки цинка незначительно влияют на изменения энтальпии и энтропии сплава ССу3.</p></abstract><trans-abstract xml:lang="en"><p>The lead-based alloy has a high thermal conductivity and meets the requirements for shock loads imposed by consumers. Some lead-based alloy products have a uniform granular structure, so they can be used at high loads at low constant speeds. The most important physical characteristics of a lead alloy are the heat capacity and thermodynamic functions. The thermodynamic and thermophysical properties of lead and its alloys are the subject of numerous experimental and theoretical studies. Available experimental data include measurements of heat capacity, enthalpy, entropy and Gibbs energy at normal pressure in the temperature range of 298.15 – 550 K. In the present work, the specific heat capacity and thermodynamic functions of the lead-antimony alloy CCu3 doped with zinc were determined in the "cooling" mode by the known heat capacity of the reference sample made of lead grade C00. By working out the curves of the cooling rates of samples from the alloy SSu3 with zinc and the reference, polynomials describing their cooling rates were obtained. Using the cooling rate of the studied samples and the standard and their mass, the specific heat capacity of the lead-antimony alloy CCu3 with zinc was calculated depending on the temperature. It is shown that with increasing temperature and zinc content, the heat capacity, enthalpy and entropy of alloys increase, and the Gibbs energy value decreases. With an increase in the zinc content, the heat capacity and Gibbs energy of the alloys increase. Zinc additives have a negligible effect on changes in the enthalpy and entropy of the CCu3 alloy.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>свинцово-сурьмяный сплав</kwd><kwd>цинк</kwd><kwd>теплоемкость</kwd><kwd>коэффициент теплоотдачи</kwd><kwd>энтальпия</kwd><kwd>энтропия</kwd><kwd>энергия Гиббса</kwd><kwd>температурная зависимость</kwd></kwd-group><kwd-group xml:lang="en"><kwd>lead-antimony alloy</kwd><kwd>zinc</kwd><kwd>heat capacity</kwd><kwd>heat transfer coefficient</kwd><kwd>enthalpy</kwd><kwd>entropy</kwd><kwd>Gibbs energy</kwd><kwd>temperature dependence</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">Vasilevskii P.A., Moskalev S.A., Zheleznyak L.M., Golovanov S.A. Organization of high quality lead-antimony shot production // Metallurgist. 2015. Vol. 58. No. 9-10. 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