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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">fwj</journal-id><journal-title-group><journal-title xml:lang="ru">Трение и и износ</journal-title><trans-title-group xml:lang="en"><trans-title>Title in english</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">0000-0000</issn><issn pub-type="epub">0000-0000</issn><publisher><publisher-name>AGU</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.32864/0202-4977-2025-46-4-363-374</article-id><article-id custom-type="elpub" pub-id-type="custom">fwj-73</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>Статьи</subject></subj-group></article-categories><title-group><article-title>Влияние частиц алюминидов титана на триботехнические характеристики сплава Al–40Sn при трении без смазочного материала по стали</article-title><trans-title-group xml:lang="en"><trans-title>Effect of Titanium Aluminide Particles on Tribological Properties of Al–40Sn Alloy under Dry Friction Against Steel</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>Скоренцев</surname><given-names>А. Л.</given-names></name><name name-style="western" xml:lang="en"><surname>Skorentsev</surname><given-names>A. L.</given-names></name></name-alternatives><bio xml:lang="ru"><p>просп. Академический, 2/4, г. Томск 634055 </p></bio><bio xml:lang="en"><p>pr. Akademicheskii, 2/4, Tomsk 634055 </p></bio><email xlink:type="simple">skoralexan@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>Русин</surname><given-names>Н. М.</given-names></name><name name-style="western" xml:lang="en"><surname>Rusin</surname><given-names>N. M.</given-names></name></name-alternatives><bio xml:lang="ru"><p>просп. Академический, 2/4, г. Томск 634055 </p></bio><bio xml:lang="en"><p>pr. Akademicheskii, 2/4, Tomsk 634055 </p></bio><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Институт физики прочности и материаловедения Сибирского отделения Российской академии наук (ИФПМ СО РАН)</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Institute of Strength Physics and Materials Science of Siberian Branch Russian Academy of Sciences (ISPMS SB RAS)</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2025</year></pub-date><pub-date pub-type="epub"><day>29</day><month>09</month><year>2026</year></pub-date><volume>46</volume><issue>4</issue><fpage>363</fpage><lpage>374</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; AGU, 2026</copyright-statement><copyright-year>2026</copyright-year><copyright-holder xml:lang="ru">AGU</copyright-holder><copyright-holder xml:lang="en">AGU</copyright-holder><license xlink:href="https://fwj.ejournal.by/jour/about/submissions#copyrightNotice" xlink:type="simple"><license-p>https://fwj.ejournal.by/jour/about/submissions#copyrightNotice</license-p></license></permissions><self-uri xlink:href="https://fwj.ejournal.by/jour/article/view/73">https://fwj.ejournal.by/jour/article/view/73</self-uri><abstract><p>Исследована структура и триботехнические характеристики спечённого сплава Al–40Sn, упрочнённого частицами Al3Ti различной объёмной концентрации. Композиционные образцы спекались при 710 °С в течение 1 часа, а затем доуплотнялись в закрытой пресс-форме при температуре 250 °С и давлении около 300 МПа. Испытания на износостойкость проводились на триботестере «Tribotechnic» в отсутствие смазки по схеме «палец—диск» при постоянной скорости скольжения 0,6 м/с, повышая нагрузку через каждые 1000 м пути трения. В качестве контртела использовали стальной диск из закалённой стали марки 40Х твёрдостью 48—50 HRC. Установлено, что концентрация твёрдых частиц 32 об. % обеспечивает максимальную износостойкость спечённых образцов Al–Al3Ti–Sn. Дальнейший рост содержания алюминидов до 40 об. % приводит к формированию значительного количества хрупких контактов между твёрдыми частицами, что отрицательно сказывается на износостойкости исследуемых материалов. Сделан вывод, что для повышения износостойкости композитов данной системы следует добиваться равномерного размещения частиц твёрдой фазы по периметру матричных зёрен. Обнаружено, что величина интенсивности изнашивания композитов Al–Al3Ti–Sn возрастает с увеличением давления на поверхность трения, тогда как значение коэффициента трения снижается и практически не зависит от состава исследуемых материалов. Рассмотрен механизм изнашивания композиционных образцов гибридного фазового состава при трении без смазочного материала по стальному диску. Изнашивание композитов данной системы осуществляется двумя основными механизмами: деформационно-окислительный износ посредством пластической деформации тонкого поверхностного слоя и его охрупчивания мелкими оксидными частицами, а также усталостный износ путем вовлечения в деформацию сдвигом зёрен верхнего слоя образца с последующим их отслоением по оловянным прослойкам, исчерпавшим ресурс пластичности.</p></abstract><trans-abstract xml:lang="en"><p>The structure and tribological properties of sintered Al–40Sn alloy reinforced with Al3Ti particles of different volume concentrations were studied. The composite samples were sintered at 710 °C for 1 hour and then compacted in a closed die at a temperature of 250 °C and a pressure of about 300 MPa. Wear resistance tests were carried out using a tribotester Tribotechnic (France) in the absence of lubrication according to the pin-on-disk scheme at a constant sliding speed of 0.6 m/s, increasing the load every 1000 m of friction path. A steel disk made of hardened grade 40X steel with a hardness of 48—50 HRC was used as a counterbody. It was found that the concentration of hard particles of ~ 32 % by volume ensures maximum wear resistance of the sintered Al–Al3Ti–Sn samples. A further increase in the content of aluminides up to ~ 40% by volume leads to the formation of a significant number of brittle contacts between the hard particles, which negatively affects the wear resistance of the studied materials. It was concluded that in order to increase the wear resistance of composites of this system, it is necessary to achieve uniform distribution of hard phase particles around the perimeter of matrix grains. It was found that the wear intensity of Al–Al3Ti–Sn composites increases with increasing pressure on the friction surface, while the value of the friction coefficient decreases and is practically independent of the composition of the studied materials. The wear mechanism of the composite samples of hybrid phase composition under dry friction against a steel disk is considered. The wear process of the composites of this system is carried out by two main mechanisms: deformation-oxidative wear through plastic deformation of a thin surface layer and its embrittlement by small oxide particles, as well as fatigue wear through involvement in deformation by shear of grains of the upper layer of the sample with their subsequent delamination along tin interlayers that have exhausted their plasticity resource.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>износостойкий композит</kwd><kwd>алюминиевые сплавы</kwd><kwd>дисперсно-упрочнённый композиционный материал</kwd><kwd>спекание</kwd><kwd>механизм изнашивания</kwd></kwd-group><kwd-group xml:lang="en"><kwd>wear-resistant composite</kwd><kwd>aluminum alloys</kwd><kwd>dispersion-hardened composite material</kwd><kwd>sintering</kwd><kwd>wear mechanism</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">Podrabinnik P., Gershman I., Mironov A., Kuznetsova E., and Peretyagin P. 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