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  <front>
    <journal-meta>
      <journal-id journal-id-type="issn">2411-3336</journal-id>
      <journal-id journal-id-type="eissn">2541-9404</journal-id>
      <journal-title-group>
        <journal-title xml:lang="ru">Записки Горного института</journal-title>
        <journal-title xml:lang="en">Journal of Mining Institute</journal-title>
      </journal-title-group>
      <publisher>
        <publisher-name xml:lang="ru">Санкт-Петербургский горный университет императрицы Екатерины ΙΙ</publisher-name>
        <publisher-name xml:lang="en">Empress Catherine II Saint Petersburg Mining University</publisher-name>
      </publisher>
    </journal-meta>
    <article-meta>
      <article-id pub-id-type="doi">10.25515/pmi.2017.4.469</article-id>
      <article-id custom-type="pmi" pub-id-type="custom">pmi-11331</article-id>
      <article-id pub-id-type="uri">https://pmi.spmi.ru/pmi/article/view/11331</article-id>
      <article-categories>
        <subj-group subj-group-type="section-heading" xml:lang="ru">
          <subject>Геонаноматериалы</subject>
        </subj-group>
        <subj-group subj-group-type="section-heading" xml:lang="en">
          <subject>Geo-nanomaterials</subject>
        </subj-group>
      </article-categories>
      <title-group>
        <article-title xml:lang="en">Control of inhomogeneous materials strength  by method of acoustic emission</article-title>
        <trans-title-group xml:lang="ru">
          <trans-title>Контроль прочности неоднородных материалов  методом акустической эмиссии</trans-title>
        </trans-title-group>
      </title-group>
      <contrib-group>
        <contrib contrib-type="author" corresp="yes">
          <name name-style="eastern">
            <surname>Nosov</surname>
            <given-names>V. V.</given-names>
          </name>
          <name-alternatives>
            <name name-style="eastern" xml:lang="ru">
              <surname>Носов</surname>
              <given-names>В. В.</given-names>
            </name>
            <name name-style="western" xml:lang="en">
              <surname>Nosov</surname>
              <given-names>V. V.</given-names>
            </name>
          </name-alternatives>
          <email>nosovvv@list.ru</email>
          <xref ref-type="aff" rid="aff1"/>
        </contrib>
        <aff-alternatives id="aff1">
          <aff>
            <institution xml:lang="ru">Санкт-Петербургский горный университет (Россия)</institution>
          </aff>
          <aff>
            <institution xml:lang="en">Saint-Petersburg Mining University (Russia)</institution>
          </aff>
        </aff-alternatives>
      </contrib-group>
      <pub-date pub-type="epub" iso-8601-date="2017-08-24">
        <day>24</day>
        <month>08</month>
        <year>2017</year>
      </pub-date>
      <pub-date date-type="collection">
        <year>2017</year>
      </pub-date>
      <volume>226</volume>
      <fpage>469</fpage>
      <lpage>479</lpage>
      <history>
        <date date-type="received" iso-8601-date="2017-03-08">
          <day>08</day>
          <month>03</month>
          <year>2017</year>
        </date>
        <date date-type="accepted" iso-8601-date="2017-05-17">
          <day>17</day>
          <month>05</month>
          <year>2017</year>
        </date>
        <date date-type="rev-recd" iso-8601-date="2017-08-24">
          <day>24</day>
          <month>08</month>
          <year>2017</year>
        </date>
      </history>
      <permissions>
        <copyright-statement>© V. V. Nosov</copyright-statement>
        <copyright-year>2017</copyright-year>
        <copyright-holder xml:lang="ru">В. В. Носов</copyright-holder>
        <copyright-holder xml:lang="en">V. V. Nosov</copyright-holder>
        <license xlink:href="http://creativecommons.org/licenses/by/4.0">
          <license-p>CC BY 4.0</license-p>
        </license>
      </permissions>
      <self-uri xlink:type="simple" xlink:href="https://pmi.spmi.ru/pmi/article/view/11331">https://pmi.spmi.ru/pmi/article/view/11331</self-uri>
      <abstract xml:lang="ru">
        <p>Неоднозначность связи результатов акустико-эмиссионного контроля с прочностью материалов делает неэффективным акустико-эмиссионное диагностирование и актуализирует проблему прочностной и метрологической неоднородности. Неоднородность – некоторое отклонение от определенной нормы. Реальный объект всегда неоднороден, однородность является допущением, упрощающим изображение объекта и решение связанных с ним задач. Потребность в рассмотрении неоднородности обусловлена необходимостью уточнения той или иной задачи и является переходом на более сложный уровень исследования. Учет неоднородности требует определения ее вида, критерия и способа оценки. Вид неоднородности зависит от решаемой проблемы и должен быть связан со свойством, определяющим функцию реального объекта, критерий должен быть информативным, а способ его оценки неразрушающим. Сложность прогнозирования поведения неоднородных материалов обусловливает необходимость моделирования определяющего работоспособность процесса разрушения, формулировки критерия неоднородности, интерпретации эффекта Кайзера, как проявляющего неоднородность явления невоспроизведения активности акустической эмиссии (АЭ) при повторном нагружении объекта контроля. В статье приведен пример моделирования прочностной и метрологической неоднородности, проведен анализ и дана оценка информативности эффекта Кайзера относительно степени опасности состояния объекта диагностирования с позиций микромеханической модели временных зависимостей параметров АЭ, регистрируемой в процессе нагружения конструкционных материалов и технических объектов.</p>
      </abstract>
      <abstract xml:lang="en">
        <p>The ambiguous connection between the results of acoustic emission control and the strength of materials makes acoustic-emission diagnosis ineffective and actualizes the problem of strength and metrological heterogeneity. Inhomogeneity is some deviation from a certain norm. The real object is always heterogeneous, homogeneity is an assumption that simplifies the image of the object and the solution of the tasks associated with it. The need to consider heterogeneity is due to the need to clarify a particular task and is a transition to a more complex level of research. Accounting for heterogeneity requires the definition of its type, criterion and method of evaluation. The type of heterogeneity depends on the problem being solved and should be related to the property that determines the function of the real object, the criterion should be informative, and the way of its evaluation is non-destructive. The complexity of predicting the behavior of heterogeneous materials necessitates the modeling of the destructive process that determines the operability, the formulation of the inhomogeneity criterion, the interpretation of the Kaiser effect, as showing inhomogeneity of the phenomenon of non-reproduction of acoustic emission (AE) activity upon repeated loading of the examined object. The article gives an example of modeling strength and metrological heterogeneity, analyzes and estimates the informative effect of the Kaiser effect on the danger degree of state of diagnosed object from the positions of the micromechanical model of time dependencies of AE parameters recorded during loading of structural materials and technical objects.</p>
      </abstract>
      <kwd-group xml:lang="ru">
        <title>Ключевые слова</title>
        <kwd>неоднородность прочностного состояния</kwd>
        <kwd>прочность</kwd>
        <kwd>разрушение</kwd>
        <kwd>микромеханическая модель акустической эмиссии</kwd>
      </kwd-group>
      <kwd-group xml:lang="en">
        <title>Keywords</title>
        <kwd>inhomogeneity of strength condition</kwd>
        <kwd>strength</kwd>
        <kwd>destruction</kwd>
        <kwd>micromechanical model of acoustic emission</kwd>
      </kwd-group>
    </article-meta>
  </front>
  <body/>
  <back>
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</article>
