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 <front>
  <journal-meta>
   <journal-id journal-id-type="publisher-id">Transport engineering</journal-id>
   <journal-title-group>
    <journal-title xml:lang="en">Transport engineering</journal-title>
    <trans-title-group xml:lang="ru">
     <trans-title>Транспортное машиностроение</trans-title>
    </trans-title-group>
   </journal-title-group>
   <issn publication-format="print">2782-5957</issn>
  </journal-meta>
  <article-meta>
   <article-id pub-id-type="publisher-id">109927</article-id>
   <article-id pub-id-type="doi">10.30987/2782-5957-2025-12-39-47</article-id>
   <article-categories>
    <subj-group subj-group-type="toc-heading" xml:lang="ru">
     <subject>Машиностроение</subject>
    </subj-group>
    <subj-group subj-group-type="toc-heading" xml:lang="en">
     <subject>Mechanical engineering</subject>
    </subj-group>
    <subj-group>
     <subject>Машиностроение</subject>
    </subj-group>
   </article-categories>
   <title-group>
    <article-title xml:lang="en">STUDY OF THE INITIAL DAMAGE OF A COPPER SLAG ABRASIVE TO INCREASE THE PRODUCTIVITY OF HYDROABRASIVE CUTTING</article-title>
    <trans-title-group xml:lang="ru">
     <trans-title>ИССЛЕДОВАНИЕ НАЧАЛЬНОЙ ПОВРЕЖДЕННОСТИ АБРАЗИВА ИЗ МЕДНОГО ШЛАКА ДЛЯ ПОВЫШЕНИЯ ПРОИЗВОДИТЕЛЬНОСТИ ГИДРОАБРАЗИВНОГО РЕЗАНИЯ</trans-title>
    </trans-title-group>
   </title-group>
   <contrib-group content-type="authors">
    <contrib contrib-type="author">
     <contrib-id contrib-id-type="orcid">https://orcid.org/0000-0003-0436-4429</contrib-id>
     <name-alternatives>
      <name xml:lang="ru">
       <surname>Барсуков</surname>
       <given-names>Геннадий Валерьевич</given-names>
      </name>
      <name xml:lang="en">
       <surname>Barsukov</surname>
       <given-names>Gennady Valeryevich</given-names>
      </name>
     </name-alternatives>
     <email>awj@list.ru</email>
     <bio xml:lang="ru">
      <p>доктор технических наук;</p>
     </bio>
     <bio xml:lang="en">
      <p>doctor of technical sciences;</p>
     </bio>
     <xref ref-type="aff" rid="aff-1"/>
    </contrib>
    <contrib contrib-type="author">
     <contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-9147-2315</contrib-id>
     <name-alternatives>
      <name xml:lang="ru">
       <surname>Шоркин</surname>
       <given-names>Владимир Сергеевич</given-names>
      </name>
      <name xml:lang="en">
       <surname>Shorkin</surname>
       <given-names>Vladimir Sergeevich</given-names>
      </name>
     </name-alternatives>
     <email>v.s.shorkin@yandex.ru</email>
     <bio xml:lang="ru">
      <p>доктор физико-математических наук;</p>
     </bio>
     <bio xml:lang="en">
      <p>doctor of physical and mathematical sciences;</p>
     </bio>
     <xref ref-type="aff" rid="aff-2"/>
    </contrib>
    <contrib contrib-type="author">
     <name-alternatives>
      <name xml:lang="ru">
       <surname>Власов</surname>
       <given-names>Виктор Викторович</given-names>
      </name>
      <name xml:lang="en">
       <surname>Vlasov</surname>
       <given-names>Viktor Viktorovich</given-names>
      </name>
     </name-alternatives>
     <email>vlasv90@mail.ru</email>
     <bio xml:lang="ru">
      <p>кандидат технических наук;</p>
     </bio>
     <bio xml:lang="en">
      <p>candidate of technical sciences;</p>
     </bio>
     <xref ref-type="aff" rid="aff-3"/>
    </contrib>
    <contrib contrib-type="author">
     <contrib-id contrib-id-type="orcid">https://orcid.org/0009-0009-4798-8224</contrib-id>
     <name-alternatives>
      <name xml:lang="ru">
       <surname>Петрухин</surname>
       <given-names>Антон Владимирович</given-names>
      </name>
      <name xml:lang="en">
       <surname>Petrukhin</surname>
       <given-names>Anton Vladimirovich</given-names>
      </name>
     </name-alternatives>
     <email>antosha.petrukhin@gmail.com</email>
     <xref ref-type="aff" rid="aff-4"/>
    </contrib>
    <contrib contrib-type="author">
     <name-alternatives>
      <name xml:lang="ru">
       <surname>Ноздрин</surname>
       <given-names>Егор Дмитриевич</given-names>
      </name>
      <name xml:lang="en">
       <surname>Nozdrin</surname>
       <given-names>Egor Dmitrievich</given-names>
      </name>
     </name-alternatives>
     <email>e.nozdrin@outlook.com</email>
     <xref ref-type="aff" rid="aff-5"/>
    </contrib>
   </contrib-group>
   <aff-alternatives id="aff-1">
    <aff>
     <institution xml:lang="ru">Орловский государственный университет имени И.С. Тургенева</institution>
     <city>Орел</city>
     <country>Россия</country>
    </aff>
    <aff>
     <institution xml:lang="en">Orel State University named after I.S. Turgenev</institution>
     <city>Orel</city>
     <country>Russian Federation</country>
    </aff>
   </aff-alternatives>
   <aff-alternatives id="aff-2">
    <aff>
     <institution xml:lang="ru">Орловский государственный университет имени И.С. Тургенева</institution>
     <city>Орел</city>
     <country>Россия</country>
    </aff>
    <aff>
     <institution xml:lang="en">Orel State University named after I.S. Turgenev</institution>
     <city>Orel</city>
     <country>Russian Federation</country>
    </aff>
   </aff-alternatives>
   <aff-alternatives id="aff-3">
    <aff>
     <institution xml:lang="ru">Орловский государственный университет имени И.С. Тургенева</institution>
     <city>Орел</city>
     <country>Россия</country>
    </aff>
    <aff>
     <institution xml:lang="en">Orel State University named after I.S. Turgenev</institution>
     <city>Orel</city>
     <country>Russian Federation</country>
    </aff>
   </aff-alternatives>
   <aff-alternatives id="aff-4">
    <aff>
     <institution xml:lang="ru">Орловский государственный университет имени И.С. Тургенева</institution>
     <city>Орел</city>
     <country>Россия</country>
    </aff>
    <aff>
     <institution xml:lang="en">Orel State University named after I.S. Turgenev</institution>
     <city>Orel</city>
     <country>Russian Federation</country>
    </aff>
   </aff-alternatives>
   <aff-alternatives id="aff-5">
    <aff>
     <institution xml:lang="ru">Орловский государственный университет имени И.С. Тургенева</institution>
     <city>Орел</city>
     <country>Россия</country>
    </aff>
    <aff>
     <institution xml:lang="en">Orel State University named after I.S. Turgenev</institution>
     <city>Orel</city>
     <country>Russian Federation</country>
    </aff>
   </aff-alternatives>
   <pub-date publication-format="print" date-type="pub" iso-8601-date="2025-12-24T07:59:49+03:00">
    <day>24</day>
    <month>12</month>
    <year>2025</year>
   </pub-date>
   <pub-date publication-format="electronic" date-type="pub" iso-8601-date="2025-12-24T07:59:49+03:00">
    <day>24</day>
    <month>12</month>
    <year>2025</year>
   </pub-date>
   <volume>2025</volume>
   <issue>12</issue>
   <fpage>39</fpage>
   <lpage>47</lpage>
   <history>
    <date date-type="received" iso-8601-date="2025-10-15T00:00:00+03:00">
     <day>15</day>
     <month>10</month>
     <year>2025</year>
    </date>
    <date date-type="accepted" iso-8601-date="2025-11-10T00:00:00+03:00">
     <day>10</day>
     <month>11</month>
     <year>2025</year>
    </date>
   </history>
   <self-uri xlink:href="https://bstu.editorum.ru/en/nauka/article/109927/view">https://bstu.editorum.ru/en/nauka/article/109927/view</self-uri>
   <abstract xml:lang="ru">
    <p>Представлены результаты решения задачи прогнозирования возникновения микротрещин и оценки начальной поврежденности частицы медного шлака, которая может развиваться под действием внешней нагрузки в процессе гидроабразивного резания или селективного дезинтегрирования. Предложено описание напряженно-деформированного состояния трещины в абразиве из медного шлака на основании учета нелокальных взаимодействий частиц континуума. Рассматривается плоская трещина в состоянии равновесия. Берега трещины плавно смыкаются в ее углах, имея общую касательную плоскость. В классической модели в этом случае возникают бесконечные напряжения. В работе показано, что берега трещины могут рассматриваться как материальные поверхности, обладающие своими материальными характеристиками, и как упругие балки конечной толщины. В качестве примера для оценки степени раскрытия трещины в абразивной частице в естественных условиях использована модель поверхностного слоя в виде балки. Показано, что такое раскрытие имеет малую, но конечную величину. В работе показано, что из-за наличия внутренних начальных напряжений в частице медного шлака, порожденных нелокальными взаимодействиями частиц упругого континуума, в ней возможно появление микротрещин, а значит существование начальной поврежденности, влияющей на производительность гидроабразивного резания.</p>
   </abstract>
   <trans-abstract xml:lang="en">
    <p>The results of solving the problem of predicting the occurrence of microcracks and assessing the initial damage of a copper slag particle, which can develop under the influence of an external load during hydroabrasive cutting or selective disintegration are presented. A description of the stress-strain state of a crack in a copper slag abrasive is proposed based on the consideration of non-local interactions of continuum particles. A plain crack in a state of equilibrium is considered. The crack edges smoothly close in its corners, having a common tangent plane. In the classical model, infinite stresses arise in this case. The paper shows that the crack edges can be considered as material surfaces with their own material characteristics and as elastic beams of finite thickness. As an example, a model of the surface layer in the form of a beam was used to assess the degree of crack opening in an abrasive particle in natural conditions. It is shown that such an opening has a small but finite value. The paper shows that due to the presence of internal initial stresses in a copper slag particle generated by non-local interactions of elastic continuum particles, microcracks may appear in it, which means the existence of initial damage affecting the performance of hydroabrasive cutting.</p>
   </trans-abstract>
   <kwd-group xml:lang="ru">
    <kwd>моделирование</kwd>
    <kwd>абразив</kwd>
    <kwd>медный шлак</kwd>
    <kwd>гидроабразивное резание</kwd>
    <kwd>селективное разрушение</kwd>
    <kwd>дезинтегратор</kwd>
    <kwd>трещина</kwd>
   </kwd-group>
   <kwd-group xml:lang="en">
    <kwd>modeling</kwd>
    <kwd>abrasive</kwd>
    <kwd>copper slag</kwd>
    <kwd>hydroabrasive cutting</kwd>
    <kwd>selective destruction</kwd>
    <kwd>disintegrator</kwd>
    <kwd>crack</kwd>
   </kwd-group>
   <funding-group>
    <funding-statement xml:lang="ru">исследование выполнено в рамках проекта РНФ № 25-19-00811.</funding-statement>
   </funding-group>
  </article-meta>
 </front>
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