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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">corrosionprotection</journal-id><journal-title-group><journal-title xml:lang="ru">Практика противокоррозионной защиты</journal-title><trans-title-group xml:lang="en"><trans-title>Theory and Practice of Corrosion Protection</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">1998-5738</issn><issn pub-type="epub">2658-6797</issn><publisher><publisher-name>Association "CARTEC"</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.31615/j.corros.prot.2022.103.1-1</article-id><article-id custom-type="elpub" pub-id-type="custom">corrosionprotection-22</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>ПРИБОРЫ И МЕТОДЫ КОРРОЗИОННОГО КОНТРОЛЯ</subject></subj-group></article-categories><title-group><article-title>Исследование эффективности противокоррозионной защиты конструкционной стали АН-36 при катодной поляризации в тропической морской воде</article-title><trans-title-group xml:lang="en"><trans-title>Experimental study of the anti-corrosion effect of structural steel AH-36 under cathodic polarization in the tropical marine environment</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>Куанг</surname><given-names>Нонг Куок</given-names></name><name name-style="western" xml:lang="en"><surname>Quang</surname><given-names>Nong Quoc</given-names></name></name-alternatives><bio xml:lang="ru"><p>Нонг Куок Куанг, научний сотрудник</p><p>пров. Кханьхоа, г. Нячанг, ул. Нгуен Тхиен Тхуат, д. 30</p></bio><bio xml:lang="en"><p>Nong Quoc Quang, Research assistant</p><p>30, Nguyen Thien Thuat str., Nha Trang, Khanh Hoa</p></bio><email xlink:type="simple">nquocquang5@gmail.com</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>Филичев</surname><given-names>Н. Л.</given-names></name><name name-style="western" xml:lang="en"><surname>Philichev</surname><given-names>N. L.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Филичев Николай Леонидович, инженер, директор Российской части</p><p>пров. Кханьхоа, г. Нячанг, ул. Нгуен Тхиен Тхуат, д. 30</p></bio><bio xml:lang="en"><p>Nikolay L. Philichev, engineer, Director of the Russian part</p><p>30, Nguyen Thien Thuat str., Nha Trang, Khanh Hoa</p></bio><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Микуров</surname><given-names>Д. С.</given-names></name><name name-style="western" xml:lang="en"><surname>Mikurov</surname><given-names>D. S.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Микуров Денис Сергеевич, старший инженер отдела тропикостойкости</p><p>пров. Кханьхоа, г. Нячанг, ул. Нгуен Тхиен Тхуат, д. 30</p></bio><bio xml:lang="en"><p>Denis S. Mikurov, Senior Engineer</p><p>30, Nguyen Thien Thuat str., Nha Trang, Khanh Hoa</p></bio><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Чи</surname><given-names>Нгуен Ван</given-names></name><name name-style="western" xml:lang="en"><surname>Chi</surname><given-names>Nguyen Van</given-names></name></name-alternatives><bio xml:lang="ru"><p>Нгуен Ван Чи, научний сотрудник</p><p>пров. Кханьхоа, г. Нячанг, ул. Нгуен Тхиен Тхуат, д. 30</p></bio><bio xml:lang="en"><p>Nguyen Van Chi, Research assistant</p><p>30, Nguyen Thien Thuat str., Nha Trang, Khanh Hoa</p></bio><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Кьен</surname><given-names>Донг Ван</given-names></name><name name-style="western" xml:lang="en"><surname>Kien</surname><given-names>Dong Van</given-names></name></name-alternatives><bio xml:lang="ru"><p>Донг Ван Кьен, научний сотрудник</p><p>пров. Кханьхоа, г. Нячанг, ул. Нгуен Тхиен Тхуат, д. 30</p></bio><bio xml:lang="en"><p>Dong Van Kien, Research assistant</p><p>30, Nguyen Thien Thuat str., Nha Trang, Khanh Hoa</p></bio><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Куан</surname><given-names>Ле Хонг</given-names></name><name name-style="western" xml:lang="en"><surname>Quan</surname><given-names>Le Hong</given-names></name></name-alternatives><bio xml:lang="ru"><p>Ле Хонг Куан, научний сотрудник</p><p>пров. Кханьхоа, г. Нячанг, ул. Нгуен Тхиен Тхуат, д. 30</p></bio><bio xml:lang="en"><p>Le Hong Quan, Research assistant</p><p>30, Nguyen Thien Thuat str., Nha Trang, Khanh Hoa</p></bio><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Линь</surname><given-names>Као Ньят</given-names></name><name name-style="western" xml:lang="en"><surname>Linh</surname><given-names>Cao Nhat</given-names></name></name-alternatives><bio xml:lang="ru"><p>Као Ньят Линь, научний сотрудник</p><p>пров. Кханьхоа, г. Нячанг, ул. Нгуен Тхиен Тхуат, д. 30</p></bio><bio xml:lang="en"><p>Cao Nhat Linh, Research assistant</p><p>30, Nguyen Thien Thuat str., Nha Trang, Khanh Hoa</p></bio><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Ануфриев</surname><given-names>Н. Г.</given-names></name><name name-style="western" xml:lang="en"><surname>Anufriev</surname><given-names>N. G.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Ануфриев Николай Геннадиевич, к.х.н., в.н.с.</p><p>Москва, Ленинский проспект, д. 31</p></bio><bio xml:lang="en"><p>Nikolay G. Anufriev, Ph.D. in Chemistry, leading researcher</p><p>31/4, Leninskiy pr., Moscow</p></bio><xref ref-type="aff" rid="aff-2"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Приморское отделение, Российско-Вьетнамский Тропический Центр</institution><country>Вьетнам</country></aff><aff xml:lang="en"><institution>Russian-Vietnamese Tropical Center, Coastal Branch</institution><country>Viet Nam</country></aff></aff-alternatives><aff-alternatives id="aff-2"><aff xml:lang="ru"><institution>Институт физической химии и электрохимии имени А.Н. Фрумкина РАН</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Frumkin Institute of Physical Chemistry and Electrochemistry of RAS</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2022</year></pub-date><pub-date pub-type="epub"><day>20</day><month>04</month><year>2023</year></pub-date><volume>27</volume><issue>1</issue><fpage>7</fpage><lpage>16</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Куанг Н., Филичев Н.Л., Микуров Д.С., Чи Н., Кьен Д., Куан Л., Линь К., Ануфриев Н.Г., 2023</copyright-statement><copyright-year>2023</copyright-year><copyright-holder xml:lang="ru">Куанг Н., Филичев Н.Л., Микуров Д.С., Чи Н., Кьен Д., Куан Л., Линь К., Ануфриев Н.Г.</copyright-holder><copyright-holder xml:lang="en">Quang N., Philichev N.L., Mikurov D.S., Chi N., Kien D., Quan L., Linh C., Anufriev N.G.</copyright-holder><license xml:lang="ru" license-type="creative-commons-attribution" xlink:href="https://creativecommons.org/licenses/by/4.0/" xlink:type="simple"><license-p>Данная работа распространяется под лицензией Creative Commons Attribution 4.0.</license-p></license><license xml:lang="en" license-type="creative-commons-attribution" xlink:href="https://creativecommons.org/licenses/by/4.0/" xlink:type="simple"><license-p>This work is licensed under a Creative Commons Attribution 4.0 License.</license-p></license></permissions><self-uri xlink:href="https://www.corrosion-protection.ru/jour/article/view/22">https://www.corrosion-protection.ru/jour/article/view/22</self-uri><abstract><p>Приведены предварительные результаты экспериментального исследования эффективности противокоррозионной защиты конструкционной стали АН-36 путем катодной поляризации в тропической морской воде. Также приводятся данные различных сенсоров состояния окружающей среды для анализа условий образования солевых катодных отложений (СКО). Образование СКО подтверждалось стабилизацией выходного напряжения при фиксировании выходного тока источника питания. После первых 100…120 часов катодной поляризации поверхность конструкционной стали АН-36 полностью покрывалась солевыми катодными отложениями в натурной тропической морской среде. Анализ свойств СКО в лабораторных условиях с использованием электрохимических методов показывает, что эффективность защиты стали АН-36 от коррозии при катодной поляризации достигается в течение первой недели. Поддержание постоянной плотности тока при данном поляризационном потенциале приводит к снижению эффективности электрохимической защиты. Предложены направления изучения свойств СКО для повышения защитной эффективности и их стойкости в морской воде</p></abstract><trans-abstract xml:lang="en"><p>The initial result of an experimental study of the anti-corrosion effect of structural steel AH-36 is shown under cathodic polarization in tropical seawater in Vietnam. In the study, various environmental sensors are used to collect data about the environment, in which the calcareous layer is formed with rapid polarization. The completion of layer formation is proved by the stabilization of the output voltage while fixing the output current of the power supply. Under the experimental condition, after the first 100…120 hours, the surface of AH-36 structural steel is completely covered with calcareous layer in the tropical marine environment. An analysis of the properties of the calcareous layer in laboratory conditions using electrochemical methods shows that the effectiveness of protection of AH-36 steel from corrosion after cathodic polarization is achieved in the first week. Maintaining a constant current density further away at a given polarization potential leads to a decrease in the effectiveness of electrochemical protection. We offer directions for studying the calcareous layer for increasing the protective efficiency and their resistance in seawater</p></trans-abstract><kwd-group xml:lang="ru"><kwd>солевые катодные отложения</kwd><kwd>морской тропический климат</kwd><kwd>катодная поляризация</kwd><kwd>конструкционная сталь</kwd><kwd>прибрежный район</kwd><kwd>источник постоянного тока</kwd></kwd-group><kwd-group xml:lang="en"><kwd>calcareous deposit</kwd><kwd>tropical-marine climate</kwd><kwd>cathodic polarization</kwd><kwd>structural steel</kwd><kwd>coastal area</kwd><kwd>constant-current output mode</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">Богорад И.Я., Климова В.А. Коррозия и защита морских судов. – Л.: Судостроение, 1973. – 392 с.</mixed-citation><mixed-citation xml:lang="en">Bogorad, I. Ya., Klimova, V. A. (1973). Corrosion and protection of marine vessels. 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