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  <front>
    <journal-meta>
      <journal-id journal-id-type="publisher-id">journal</journal-id>

      <journal-title-group>
        <journal-title>Вестник Объединенного института высоких температур</journal-title>
        <abbrev-journal-title abbrev-type="publisher">Вестник ОИВТ РАН</abbrev-journal-title>
      </journal-title-group>

      <issn pub-type="epub">2658-669X</issn>

      <publisher>
        <publisher-name>ОИВТ РАН</publisher-name>
      </publisher>
    </journal-meta>

    <article-meta>
      <article-id pub-id-type="publisher-id">84</article-id>
      <article-id pub-id-type="doi"></article-id>

      <title-group>
        <article-title>Молекулярный состав пара при испарении нестехиометрического карбида гафния при температурах до 4500 К</article-title>
        <trans-title-group xml:lang="en">
          <trans-title>
            Investigation of evaporation of nonstoichiometric hafnium carbide up to 4500 K using laser heating
          </trans-title>
        </trans-title-group>
      </title-group>

      <contrib-group>
        <contrib contrib-type="author">
          <name-alternatives>
            <name xml:lang="ru">
              <surname></surname>
              <given-names> </given-names>
            </name>
            <name xml:lang="en">
              <surname>Frolov</surname>
              <given-names>A.M.</given-names>
            </name>
          </name-alternatives>
          <xref ref-type="aff" rid="id1">ОИВТ РАН</xref>
        </contrib>

        <contrib contrib-type="author">
          <name-alternatives>
            <name xml:lang="ru">
              <surname></surname>
              <given-names> </given-names>
            </name>
            <name xml:lang="en">
              <surname>Petukhov</surname>
              <given-names>S.V.</given-names>
            </name>
          </name-alternatives>
          <xref ref-type="aff" rid="id2">ОИВТ РАН</xref>
        </contrib>

        <contrib contrib-type="author">
          <name-alternatives>
            <name xml:lang="ru">
              <surname></surname>
              <given-names> </given-names>
            </name>
            <name xml:lang="en">
              <surname>Falyakhov</surname>
              <given-names>T.M.</given-names>
            </name>
          </name-alternatives>
          <xref ref-type="aff" rid="id3">ОИВТ РАН</xref>
        </contrib>

        <contrib contrib-type="author">
          <name-alternatives>
            <name xml:lang="ru">
              <surname></surname>
              <given-names> </given-names>
            </name>
            <name xml:lang="en">
              <surname>Sheindlin</surname>
              <given-names>M.A.</given-names>
            </name>
          </name-alternatives>
          <xref ref-type="aff" rid="id4">ОИВТ РАН</xref>
        </contrib>

      </contrib-group>

      <aff-alternatives id="id1">
        <aff xml:lang="ru">
          <label>ОИВТ РАН</label>
          <institution>Объединенный институт высоких температур РАН (Москва, Россия)</institution>
          <addr-line>Москва, Россия</addr-line>
        </aff>
        <aff xml:lang="en">
          <label>JIHT RAS</label>
          <institution>Joint Institute for High Temperatures of the Russian Academy of Sciences (Moscow, Russia)</institution>
          <addr-line>Moscow, Russia</addr-line>
        </aff>
      </aff-alternatives>

      <aff-alternatives id="id2">
        <aff xml:lang="ru">
          <label>ОИВТ РАН</label>
          <institution>Объединенный институт высоких температур РАН (Москва, Россия)</institution>
          <addr-line>Москва, Россия</addr-line>
        </aff>
        <aff xml:lang="en">
          <label>JIHT RAS</label>
          <institution>Joint Institute for High Temperatures of the Russian Academy of Sciences (Moscow, Russia)</institution>
          <addr-line>Moscow, Russia</addr-line>
        </aff>
      </aff-alternatives>

      <aff-alternatives id="id3">
        <aff xml:lang="ru">
          <label>ОИВТ РАН</label>
          <institution>Объединенный институт высоких температур РАН (Москва, Россия)</institution>
          <addr-line>Москва, Россия</addr-line>
        </aff>
        <aff xml:lang="en">
          <label>JIHT RAS</label>
          <institution>Joint Institute for High Temperatures of the Russian Academy of Sciences (Moscow, Russia)</institution>
          <addr-line>Moscow, Russia</addr-line>
        </aff>
      </aff-alternatives>

      <aff-alternatives id="id4">
        <aff xml:lang="ru">
          <label>ОИВТ РАН</label>
          <institution>Объединенный институт высоких температур РАН (Москва, Россия)</institution>
          <addr-line>Москва, Россия</addr-line>
        </aff>
        <aff xml:lang="en">
          <label>JIHT RAS</label>
          <institution>Joint Institute for High Temperatures of the Russian Academy of Sciences (Moscow, Russia)</institution>
          <addr-line>Moscow, Russia</addr-line>
        </aff>
      </aff-alternatives>

      <pub-date publication-format="electronic" date-type="pub" pub-type="epub" iso-8601-date="2020-09-07">
        <day>07</day>
        <month>09</month>
        <year>2020</year>
      </pub-date>

      <volume>4</volume>
      <issue>2</issue>
      <fpage>11</fpage>
      <lpage>14</lpage>

      <abstract xml:lang="ru">
        <p>В работе впервые представлены результаты исследования испарения гомогенного нестехиометрического карбида гафния с составом, лежащим в области максимальных температур плавления. Изучен состав пара при испарении  HfC$_{0.86}$ в окрестности точки плавления, в том числе и в жидкой фазе. Нагрев вещества осуществлялось лазерными импульсами миллисекундной длительности. Анализ молекулярных компонентов пара осуществлялся с помощью времяпролетного масс-спектрометра. Получены температурные зависимости относительных парциальных давлений, на основании которых рассчитаны энтальпии испарения компонентов пара и соотношение атомов углерода и гафния в паре.</p>
      </abstract>

      <abstract xml:lang="en" abstract-type="summary">
        <p>The results on investigation of evaporation of homogeneous nonstoichiometric hafnium carbide with the composition in the area of maximum melting temperatures are presented in the paper. The vapor composition was studied during the evaporation of HfC$_{0.85}$ in the vicinity of the melting point (including the liquid phase) was studied. The substance was heated by the laser pulses of millisecond duration. The analysis of molecular species in the vapor was performed using the time-of-flight mass-spectrometer. The temperature dependences of relative partial pressures were obtained and using them the evaporation enthalpies of vapor species and ration of carbon and hafnium atoms were calculated.</p>
      </abstract>

      <kwd-group kwd-group-type="author-keywords" xml:lang="ru">
        <kwd>фазовые переходы</kwd>
        <kwd>сверхтугоплавкие керамики</kwd>
        <kwd>лазерный нагрев</kwd>
        <kwd>времяпролетная масс-спектрометрия</kwd>
      </kwd-group>

      <kwd-group kwd-group-type="author-keywords" xml:lang="en">
        <kwd>phase transitions</kwd>
        <kwd>high-temperature mass-spectrometry</kwd>
        <kwd>ultra-high temperature ceramics</kwd>
      </kwd-group>

    </article-meta>
  </front>
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</article>