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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">10.18454/pmi.2016.5.712</article-id>
      <article-id custom-type="pmi" pub-id-type="custom">pmi-5895</article-id>
      <article-id pub-id-type="uri">https://pmi.spmi.ru/pmi/article/view/5895</article-id>
      <article-categories>
        <subj-group subj-group-type="section-heading" xml:lang="ru">
          <subject>Электромеханика и машиностроение</subject>
        </subj-group>
        <subj-group subj-group-type="section-heading" xml:lang="en">
          <subject>Electromechanics and mechanical engineering</subject>
        </subj-group>
      </article-categories>
      <title-group>
        <article-title xml:lang="en">Measurement of the thickness of the sprayed nickel coatings on large-sized cast iron products</article-title>
        <trans-title-group xml:lang="ru">
          <trans-title>Измерение толщины напыляемых никелевых покрытий на крупногабаритных чугунных изделиях</trans-title>
        </trans-title-group>
      </title-group>
      <contrib-group>
        <contrib contrib-type="author" corresp="yes">
          <name name-style="eastern">
            <surname>Syasko</surname>
            <given-names>V. A.</given-names>
          </name>
          <name-alternatives>
            <name name-style="eastern" xml:lang="ru">
              <surname>Сясько</surname>
              <given-names>В. А.</given-names>
            </name>
            <name name-style="western" xml:lang="en">
              <surname>Syasko</surname>
              <given-names>V. A.</given-names>
            </name>
          </name-alternatives>
          <email>9334343@gmail.com</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="2016-10-24">
        <day>24</day>
        <month>10</month>
        <year>2016</year>
      </pub-date>
      <pub-date date-type="collection">
        <year>2016</year>
      </pub-date>
      <volume>221</volume>
      <fpage>712</fpage>
      <lpage>716</lpage>
      <history>
        <date date-type="received" iso-8601-date="2015-11-25">
          <day>25</day>
          <month>11</month>
          <year>2015</year>
        </date>
        <date date-type="accepted" iso-8601-date="2016-01-25">
          <day>25</day>
          <month>01</month>
          <year>2016</year>
        </date>
        <date date-type="rev-recd" iso-8601-date="2016-10-24">
          <day>24</day>
          <month>10</month>
          <year>2016</year>
        </date>
      </history>
      <permissions>
        <copyright-statement>© V. A. Syasko</copyright-statement>
        <copyright-year>2016</copyright-year>
        <copyright-holder xml:lang="ru">В. А. Сясько</copyright-holder>
        <copyright-holder xml:lang="en">V. A. Syasko</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/5895">https://pmi.spmi.ru/pmi/article/view/5895</self-uri>
      <abstract xml:lang="ru">
        <p>В современных производствах все шире применяется автоматическое напыление жаропрочного никелевого покрытия толщиной Т = 1-3 мм на крупногабаритные изделия из чугуна с шаровидным графитом. Процесс нанесения покрытия характеризуется зависимостью его относительной магнитной проницаемости μс от времени релаксации, длительность которой может доходить до 24 ч, а также девиацией μс от точки к точке на поверхности. Рассмотрены вопросы применения вихретокового фазового метода для измерения толщины покры- тия. Представлены структура вихретоковых четырехобмоточных трансформаторных преобразователей и результаты расчета и оптимизации их параметров, рассмотрено влияние контролируемого и мешающих параметров. На основании этого разработан двухканальный совмещенный измерительный преобразователь, обеспечивающий погрешность измерения ΔТ ≤ ± (0,03T + 0,02) мм в цеховых условиях в процессе нанесения покрытия и при выходном контроле. Изложены результаты испытаний на контрольных образцах и применения на производстве.</p>
      </abstract>
      <abstract xml:lang="en">
        <p>Modern industries increasingly use automatic spraying of heat-resistant Nickel coating with a thickness of T = 1-3 mm for large-size parts made of cast iron with nodular graphite. The process of coating application is characterized by time-dependent behavior of its relative magnetic permeability, μс , that is a function of relaxation time, which can be as long as 24 hours, and by μс deviation from point to point on the surface. Aspects of eddy-current phase method for measuring the T value are considered. The structure of four- winding eddy current transformer transducers is described and results of calculation and optimization of their parameters are presented. The influence of controlled and interfering parameters is considered. Based on the above results, a two-channel combined transducer is developed providing measurement error of ΔТ ≤ ±(0.03T + 0.02) mm in the shop environment in the process of coating application and in the final product check. Results of tests on reference specimens and of application in production processes are presented.</p>
      </abstract>
      <kwd-group xml:lang="ru">
        <title>Ключевые слова</title>
        <kwd>вихретоковый фазовый метод</kwd>
        <kwd>толщина покрытий</kwd>
        <kwd>измерительный преобразователь</kwd>
      </kwd-group>
      <kwd-group xml:lang="en">
        <title>Keywords</title>
        <kwd>eddy current phase method</kwd>
        <kwd>coating thickness</kwd>
        <kwd>measuring transducer</kwd>
      </kwd-group>
    </article-meta>
  </front>
  <body/>
  <back>
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