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<article 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" xmlns:ali="http://www.niso.org/schemas/ali/1.0/" article-type="other" dtd-version="1.2" xml:lang="en"><front><journal-meta><journal-id journal-id-type="publisher-id">Frontier Materials &amp; Technologies</journal-id><journal-title-group><journal-title xml:lang="en">Frontier Materials &amp; Technologies</journal-title><trans-title-group xml:lang="ru"><trans-title>Frontier Materials &amp; Technologies</trans-title></trans-title-group></journal-title-group><issn publication-format="print">2782-4039</issn><issn publication-format="electronic">2782-6074</issn><publisher><publisher-name xml:lang="en">Togliatti State University</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="publisher-id">108</article-id><article-id pub-id-type="doi">10.18323/2073-5073-2018-1-67-76</article-id><article-categories><subj-group subj-group-type="toc-heading" xml:lang="en"><subject>Technical Sciences</subject></subj-group><subj-group subj-group-type="toc-heading" xml:lang="ru"><subject>Технические науки</subject></subj-group><subj-group subj-group-type="article-type"><subject></subject></subj-group></article-categories><title-group><article-title xml:lang="en">THE APPLICATION OF TECHNOLOGICAL METHODS FOR ENHANCING THE STRENGTH OF DISSIMILAR JOINTS PRODUCED BY FRICTION STIR WELDING</article-title><trans-title-group xml:lang="ru"><trans-title>ИСПОЛЬЗОВАНИЕ ТЕХНОЛОГИЧЕСКИХ ПРИЕМОВ ДЛЯ ПОВЫШЕНИЯ ПРОЧНОСТИ РАЗНОРОДНЫХ СОЕДИНЕНИЙ, ПОЛУЧЕННЫХ СВАРКОЙ ТРЕНИЕМ С ПЕРЕМЕШИВАНИЕМ</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Rzaev</surname><given-names>R. A.</given-names></name><name xml:lang="ru"><surname>Рзаев</surname><given-names>Р. А.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>senior lecturer of Chair “Material Science and Welding Technology”</p></bio><bio xml:lang="ru"><p>старший преподаватель кафедры «Материаловедение и технология сварки»</p></bio><email>radmir.82@mail.ru</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Chularis</surname><given-names>A. A.</given-names></name><name xml:lang="ru"><surname>Чуларис</surname><given-names>А. А.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>Doctor of Sciences (Engineering), professor of Chair “Machines and Automation of Welding Manufacturing”</p></bio><bio xml:lang="ru"><p>доктор технических наук, профессор кафедры «Машины и автоматизация сварочного производства»</p></bio><email>radmir.82@mail.ru</email><xref ref-type="aff" rid="aff2"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Dosimov</surname><given-names>A. S.</given-names></name><name xml:lang="ru"><surname>Досимов</surname><given-names>А. С.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>graduate student</p></bio><bio xml:lang="ru"><p>магистрант</p></bio><email>dosasiat@mail.ru</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Naumov</surname><given-names>A. A.</given-names></name><name xml:lang="ru"><surname>Наумов</surname><given-names>А. А.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>PhD (Engineering), assistant professor of Chair “Technology and Materials Research”</p></bio><bio xml:lang="ru"><p>кандидат технических наук, доцент кафедры «Технология и исследование материалов»</p></bio><email>anton.naumov@spbstu.ru</email><xref ref-type="aff" rid="aff3"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Zotov</surname><given-names>O. G.</given-names></name><name xml:lang="ru"><surname>Зотов</surname><given-names>О. Г.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>PhD (Engineering), assistant professor of Chair “Technology and Materials Research”</p></bio><bio xml:lang="ru"><p>кандидат технических наук, доцент кафедры «Технология и исследование материалов»</p></bio><email>zog-58@mail.ru</email><xref ref-type="aff" rid="aff3"/></contrib></contrib-group><aff-alternatives id="aff1"><aff><institution xml:lang="en">Astrakhan State University</institution></aff><aff><institution xml:lang="ru">Астраханский государственный университет</institution></aff></aff-alternatives><aff-alternatives id="aff2"><aff><institution xml:lang="en">Don State Technical University</institution></aff><aff><institution xml:lang="ru">Донской государственный технический университет</institution></aff></aff-alternatives><aff-alternatives id="aff3"><aff><institution xml:lang="en">Peter the Great Saint-Petersburg Polytechnic University</institution></aff><aff><institution xml:lang="ru">Санкт-Петербургский политехнический университет Петра Великого</institution></aff></aff-alternatives><pub-date date-type="pub" iso-8601-date="2018-03-30" publication-format="electronic"><day>30</day><month>03</month><year>2018</year></pub-date><issue>1</issue><issue-title xml:lang="en"/><issue-title xml:lang="ru"/><fpage>67</fpage><lpage>76</lpage><history><date date-type="received" iso-8601-date="2021-03-11"><day>11</day><month>03</month><year>2021</year></date><date date-type="accepted" iso-8601-date="2021-03-11"><day>11</day><month>03</month><year>2021</year></date></history><permissions><ali:free_to_read xmlns:ali="http://www.niso.org/schemas/ali/1.0/"/></permissions><self-uri xlink:href="https://vektornaukitech.ru/jour/article/view/108">https://vektornaukitech.ru/jour/article/view/108</self-uri><abstract xml:lang="en"><p>The technology of production of dissimilar joints is associated with the difficulties due to the differences of their thermophysical and other properties and special aspects of the process of joints’ formation. The application of friction stir welding (FSW) technology is the solution to the problem of weldability of bimetallic joints. The paper covers the study of mechanical properties of butt, butt-lap and lap joints of AD1 aluminum and M1 copper alloys, AD1 aluminum alloys and alloyed steels (12H18N10T), AD1 aluminum and OT4-1 alloys.</p><p>The subject of the analysis is the design of the edges of parts welded with FSW and the stage-by-stage analysis of the process of formation of butt, lap, tee, and combined joints of copper with aluminum based on the welding modes parameters. The paper analyzes the factors affecting the strength of dissimilar joints of the AD1 aluminum and M1 copper alloys produced with FSW. The influence of the geometry of the prepared edges of parts on the formation of the defect-free and consistent welded joints is studied. The authors showed promising directions of constructive design for various versions of butt joints (butt-lap joints: 30...600 bevel joint, fish-mouth joint, mortise joint) by means of the enlargement of actual contact area of the parts when subjected to loadings of normal or tangential stresses as opposed to the traditional ones operating within the pure tear conditions. The paper gives the results of the static tension tests, recommends the design-engineering techniques aimed at the improvement of the conditions and the activation of the process of formation of the adhesive dissimilar joints. The metallographic research of the welded joints’ macrosections showed the possibility to produce the defect-free welds with the complete weld root penetration; the mechanical tests of the butt, combined and lap joints proved the high level of full strength of dissimilar joints.</p></abstract><trans-abstract xml:lang="ru"><p>Технология получения разнородных соединений сопряжена с трудностями из-за различия их теплофизических и иных свойств, а также особенностей процесса образования соединений. Решением проблем свариваемости биметаллических соединений является использование сварки трением с перемешиванием (СТП). Работа посвящена изучению механических свойств стыковых, стыко-нахлесточных, нахлесточных (LAP) соединений алюминиевых АД1 и медных М1 сплавов, алюминиевых АД1 сплавов и легированных сталей (12Х18Н10Т), алюминиевых АД1 и ОТ4-1 сплавов.</p><p>Предметом анализа является конструктивное оформление кромок свариваемых деталей при СТП и поэтапный анализ процесса формирования стыковых, нахлесточных, тавровых, комбинированных соединений меди с алюминием с учетом параметров режимов сварки. Проанализированы факторы, влияющие на прочность разнородных соединений алюминиевого АД1 и медного М1 сплавов, выполненных с помощью СТП. Изучено влияние геометрии подготовленных кромок деталей на формирование бездефектных и прочных сварных соединений. Показаны перспективные направления конструктивного оформления различных вариантов стыковых соединений (стыко-нахлесточных: в скос 30...60°, в замок, в шип) за счет повышения фактической площади контактирования деталей, воспринимающих при нагружении нормальные или касательные напряжения, в отличие от традиционных, работающих в условиях чистого отрыва. Представлены результаты на статическое растяжение рекомендованных конструкторско-технологических приемов, направленных на улучшение условий и активацию процесса образования адгезионных разнородных соединений. Металлографические исследования макрошлифов сварных соединений показали возможность получения бездефектных сварных швов с полным проваром корневой части; механические испытания стыковых, комбинированных и нахлесточных соединений подтвердили высокий уровень прочности разнородных соединений.</p></trans-abstract><kwd-group xml:lang="en"><kwd>friction stir welding</kwd><kwd>dissimilar materials</kwd><kwd>butt-lap joint</kwd><kwd>bimetallic joints</kwd><kwd>solidphase welding</kwd></kwd-group><kwd-group xml:lang="ru"><kwd>сварка трением с перемешиванием</kwd><kwd>разнородные материалы</kwd><kwd>стыко-нахлесточное соединение</kwd><kwd>биметаллические соединения</kwd><kwd>сварка в твердой фазе</kwd></kwd-group><funding-group/></article-meta></front><body></body><back><ref-list><ref id="B1"><label>1.</label><citation-alternatives><mixed-citation xml:lang="en">Velu M., Tidole A., Mehra P, Kulkarni D. Friction stir welding of dissimilar А16061 and pure copper. 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