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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">cvmet</journal-id><journal-title-group><journal-title xml:lang="ru">Известия вузов. Цветная металлургия</journal-title><trans-title-group xml:lang="en"><trans-title>Izvestiya. Non-Ferrous Metallurgy</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">0021-3438</issn><issn pub-type="epub">2412-8783</issn><publisher><publisher-name>НИТУ "МИСИС"</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.17073/0021-3438-2018-1-12-21</article-id><article-id custom-type="elpub" pub-id-type="custom">cvmet-711</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>Металловедение и термическая обработка</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>Physical Metallurgy and Heat Treatment</subject></subj-group></article-categories><title-group><article-title>ПРОГНОЗИРОВАНИЕ МЕХАНИЧЕСКИХ СВОЙСТВ ПОКОВОК ИЗ ТИТАНОВЫХ СПЛАВОВ ВТ6 И ВТ3-1 В ЗАВИСИМОСТИ ОТ ХИМИЧЕСКОГО СОСТАВА И СТРУКТУРЫ</article-title><trans-title-group xml:lang="en"><trans-title>Forecasting of mechanical properties of VТ6 and VТ3-1 titanium alloys forgings depending on chemical composition and structure</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>Егорова</surname><given-names>Ю. Б.</given-names></name><name name-style="western" xml:lang="en"><surname>Egorova</surname><given-names>Yu. B.</given-names></name></name-alternatives><bio xml:lang="ru"><p>докт. техн. наук, декан факультета, профессор кафедры «Моделирование систем и информационные технологии»</p><p>(142800, Московская обл., г. Ступино, ул. Пристанционная, 4)</p></bio><bio xml:lang="en"><p>Dr. Sci. (Tech.), dean of the faculty, prof., Department «Modeling of systems and information technology»</p><p>(142800, Russia, Moscow region, Stupino, Pristantsionnaya str., 4)</p></bio><email xlink:type="simple">egorova_mati@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>Давыденко</surname><given-names>Л. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Davydenko</surname><given-names>L. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>канд. техн. наук, доцент кафедры материаловедения</p><p>(107023, г. Москва, ул. Большая Семеновская, 38)</p></bio><bio xml:lang="en"><p>Cand. Sci. (Tech.), associate prof., Department «Materials science»</p><p>(107023, Russia, Moscow, Bol’shaya Semenovskaya str., 38)</p></bio><email xlink:type="simple">mami-davidenko@mail.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>Белова</surname><given-names>С. Б.</given-names></name><name name-style="western" xml:lang="en"><surname>Belova</surname><given-names>S. B.</given-names></name></name-alternatives><bio xml:lang="ru"><p>канд. техн. наук, доцент кафедры «Моделирование систем и информационные технологии»</p><p>(142800, Московская обл., г. Ступино, ул. Пристанционная, 4)</p></bio><bio xml:lang="en"><p>Cand. Sci. (Tech.), associate prof., Department «Modeling of systems and information technology»</p><p>(142800, Russia, Moscow region, Stupino, Pristantsionnaya str., 4)</p></bio><email xlink:type="simple">belovamai@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>Чибисова</surname><given-names>Е. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Chibisova</surname><given-names>E. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>нач. отдела науч.-техн. информации</p><p>(142800, Московская обл., г. Ступино, ул. Пристанционная, 4)</p></bio><bio xml:lang="en"><p>head of Department of scientific and technical information, senior lecturer, Department «Modeling of systems and information technology»</p><p>(142800, Russia, Moscow region, Stupino, Pristantsionnaya str., 4)</p></bio><email xlink:type="simple">echibisova@mail.ru</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Ступинский филиал Московского авиационного института (национального исследовательского университета) (МАИ (НИУ))</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Stupino branch of Moscow Aviation Institute (National Research University)</institution><country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-2"><aff xml:lang="ru"><institution>Московский политехнический университет</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Moscow Polytechnic University</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2018</year></pub-date><pub-date pub-type="epub"><day>05</day><month>03</month><year>2018</year></pub-date><volume>0</volume><issue>1</issue><fpage>12</fpage><lpage>21</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Егорова Ю.Б., Давыденко Л.В., Белова С.Б., Чибисова Е.В., 2018</copyright-statement><copyright-year>2018</copyright-year><copyright-holder xml:lang="ru">Егорова Ю.Б., Давыденко Л.В., Белова С.Б., Чибисова Е.В.</copyright-holder><copyright-holder xml:lang="en">Egorova Y.B., Davydenko L.V., Belova S.B., Chibisova 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://cvmet.misis.ru/jour/article/view/711">https://cvmet.misis.ru/jour/article/view/711</self-uri><abstract><p>Исследованы статистические зависимости механических свойств 218 поковок (15 типоразмеров), изготовленных из сплавов ВТ3-1 и ВТ6 в 2000–2014 гг., от химического состава (содержания легирующих элементов и примесей, структурных и прочностных эквивалентов по алюминию и молибдену), типа, подтипа и параметров структуры после отжига, закалки и старения. Установлено, что прочностные и пластические характеристики однотипных поковок изменяются в довольно широких пределах. Оценена доля вариации свойств поковок, обусловленная колебаниями содержания основных компонентов и примесей, а также влиянием типа структуры и размеров структурных составляющих. На основе корреляционного анализа выявлено, что изменение количеств каждого легирующего элемента и примеси не сказывается на свойствах поковок или слабо на них влияет. Это обусловлено небольшими интервалами колебаний их концентраций в пределах марочного состава. Однако их суммарное содержание, выраженное через эквиваленты по алюминию и молибдену, может изменяться в довольно широком диапазоне. Статистически обосновано, что доля вариации предела прочности поковок сплавов ВТ3-1 и ВТ6, обусловленная влиянием химического состава (в перерасчете на эквиваленты по алюминию и молибдену), может составлять ~25÷65 %, а влиянием только типа и подтипа структуры – около 20 %. При совместном действии этих двух факторов (состав + структура) доля вариации может достигать ~50÷65 %. Для характеристик пластичности и ударной вязкости этот показатель меньше и лежит в интервале 20–35 %. Предложены математические модели для прогнозирования механических свойств поковок в зависимости от параметров структуры и эквивалентов по алюминию и молибдену.</p></abstract><trans-abstract xml:lang="en"><p>The paper studies the statistical dependence of the mechanical properties of 218 forgings (15 types) made of VT3-1 and VT6 alloys in 2000–2014 on chemical composition (the content of alloying elements and admixtures, structural and strength equivalents of aluminum and molybdenum), structure types, subtypes and parameters after annealing, quenching and aging. It was found that the strength and plastic properties of one-type forgings vary quite widely. The share of variation of forging properties due to fluctuations in the content of main components and admixtures, as well as the influence of structure types and sizes of structural components was estimated. Based on the correlation analysis it was revealed that the change of each alloying element or admixture content has a little or no effect on forging properties. This is caused by small increments of their change within the grade composition. However, their total content expressed in terms of aluminum and molybdenum equivalents can vary over a fairly wide range. It was statistically substantiated that the share of tensile strength variation of VT3-1 and VT6 forgings may be ~25÷65 % due to the influence of their chemical compositions (in terms of aluminum and molybdenum equivalents), and about 20 % due to only the influence of structure types and subtypes. When these two factors (composition + structure) are combined, the share of variation can reach ~50÷65 %. For plastic properties and impact toughness, this figure is less and ranges from 20 to 35 %. The mathematical models are offered to forecast the mechanical properties of forgings depending on the structure parameters and aluminum and molybdenum equivalents.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>поковки титановых сплавов</kwd><kwd>химический состав</kwd><kwd>структура</kwd><kwd>механические свойства</kwd><kwd>прогнозирование свойств</kwd></kwd-group><kwd-group xml:lang="en"><kwd>titanium alloys forgings</kwd><kwd>chemical composition</kwd><kwd>structure</kwd><kwd>mechanical properties</kwd><kwd>forecasting of properties</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">DEFORM™. URL: http://www.deform.com (дата обращения: 28.01.2017).</mixed-citation><mixed-citation xml:lang="en">DEFORM™. 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