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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.2020.98.4-4</article-id><article-id custom-type="elpub" pub-id-type="custom">corrosionprotection-48</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>МАТЕРИАЛЫ И ОБОРУДОВАНИЕ ДЛЯ ПРОТИВОКОРРОЗИОННОЙ ЗАЩИТЫ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>MATERIALS AND EQUIPMENT FOR  CORROSION PROTECTION</subject></subj-group></article-categories><title-group><article-title>Исследование эффективности защиты от коррозии цинк-наполнеными покрытиями на основе натриевого жидкого стекла</article-title><trans-title-group xml:lang="en"><trans-title>The study of the effectiveness of corrosion protection of zinc-rich coating on the base of water sodium silicate</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>Ле</surname><given-names>Хонг Куан</given-names></name><name name-style="western" xml:lang="en"><surname>Le</surname><given-names>Hong Quan</given-names></name></name-alternatives><bio xml:lang="ru"><p>Ле Хонг Куан, научный сотрудник</p><p>г. Ханой , Нгиа До, Кау Зай, ул. Нгуен Ван Хуен, д. 63</p></bio><bio xml:lang="en"><p>Le Hong Quan, researcher</p><p>63, Nguyen Van Huyen street, Cau Giay District, Hanoi city</p></bio><email xlink:type="simple">quanttndvn@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>Май</surname><given-names>Ван Минь</given-names></name><name name-style="western" xml:lang="en"><surname>Nguyen</surname><given-names>Van Chi</given-names></name></name-alternatives><bio xml:lang="ru"><p>Май Ван Минь, научный сотрудник</p><p>г. Ханой , Нгиа До, Кау Зай, ул. Нгуен Ван Хуен, д. 63</p></bio><bio xml:lang="en"><p>Nguyen Van Chi, researcher</p><p>63, Nguyen Van Huyen street, Cau Giay District, Hanoi city</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>Нгуен</surname><given-names>Ван Чи</given-names></name><name name-style="western" xml:lang="en"><surname>Mai</surname><given-names>Van Minh</given-names></name></name-alternatives><bio xml:lang="ru"><p>Нгуен Ван Чи, научный сотрудник</p><p>г. Ханой , Нгиа До, Кау Зай, ул. Нгуен Ван Хуен, д. 63</p></bio><bio xml:lang="en"><p>Mai Van Minh, researcher</p><p>63, Nguyen Van Huyen street, Cau Giay District, Hanoi city</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>Нонг</surname><given-names>Куок Куанг</given-names></name><name name-style="western" xml:lang="en"><surname>Nong</surname><given-names>Quoc Quang</given-names></name></name-alternatives><bio xml:lang="ru"><p>Нонг Куок Куанг, научный сотрудник</p><p>г. Ханой , Нгиа До, Кау Зай, ул. Нгуен Ван Хуен, д. 63</p></bio><bio xml:lang="en"><p>Nong Quoc Quang, researcher</p><p>63, Nguyen Van Huyen street, Cau Giay District, Hanoi city</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>Донг</surname><given-names>Ван Киен</given-names></name><name name-style="western" xml:lang="en"><surname>Dong</surname><given-names>Van Kien</given-names></name></name-alternatives><bio xml:lang="ru"><p>Донг Ван Киен, научный сотрудник</p><p>г. Ханой , Нгиа До, Кау Зай, ул. Нгуен Ван Хуен, д. 63</p></bio><bio xml:lang="en"><p>Dong Van Kien, researcher</p><p>63, Nguyen Van Huyen street, Cau Giay District, Hanoi city</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>Као</surname><given-names>Ньат Линь</given-names></name><name name-style="western" xml:lang="en"><surname>Cao</surname><given-names>Nhat Linh</given-names></name></name-alternatives><bio xml:lang="ru"><p>г. Ханой , Нгиа До, Кау Зай, ул. Нгуен Ван Хуен, д. 63</p></bio><bio xml:lang="en"><p> </p><p>63, Nguyen Van Huyen street, Cau Giay District, Hanoi city</p></bio><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Российско-Вьетнамский Тропический центр</institution><country>Вьетнам</country></aff><aff xml:lang="en"><institution>Russian-Vietnamese Tropical Cente</institution><country>Viet Nam</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2020</year></pub-date><pub-date pub-type="epub"><day>28</day><month>04</month><year>2023</year></pub-date><volume>25</volume><issue>4</issue><fpage>32</fpage><lpage>39</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Ле Х., Май В., Нгуен В., Нонг К., Донг В., Као Н., 2023</copyright-statement><copyright-year>2023</copyright-year><copyright-holder xml:lang="ru">Ле Х., Май В., Нгуен В., Нонг К., Донг В., Као Н.</copyright-holder><copyright-holder xml:lang="en">Le H., Nguyen V., Mai V., Nong Q., Dong V., Cao N.</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/48">https://www.corrosion-protection.ru/jour/article/view/48</self-uri><abstract><p>Исследование посвящено оценке коррозионно-защитных свойств покрытия на основе жидкого стекла, содержащего цинк (ЦНП), методом электрохимической импеданс-спектроскопии (EIS) с использованием потенциостата-гальваностата AutoLAB PGSTAT204N. Измерительная система состояла из трех электродов: электрода сравнения Ag/AgCl в растворе 3 М КCl, вспомогательного электрода – Pt (8х8 мм) и рабочих электродов для определения потенциала коррозии (Ecorr) и измерения импеданса. Также проводились коррозионные испытания ЦНП методом воздействие соляного тумана и натурные на Морской Научно-исследовательской станции Дам Бай, Нячанг, Кханьхоа, Вьетнам. ЦНП может обеспечить хорошую катодную защиту при содержания цинка 70% по массе и более. ЦНП с соотношением смешивания высокомодульного жидкого натриевого стекла/цинкового порошка: 25/75 по массе (условное название TTL-VN) обеспечивает хорошую защиту от коррозии стали после 16 циклов испытания на воздействие соляного тумана и 18 месяцев натурных испытаний в морской воде. Лакокрасочная пленка имеет следующие величины основных показателей, таких как адгезия – 4,41 МПа, прочность при изгибе – 2 мм, твердость покрытия по маятниковому прибору – 0,62 усл.ед и первоначальный потенциал покрытия – 0,96 В Ag/AgCl.</p></abstract><trans-abstract xml:lang="en"><p>The study is examines the assessment of the corrosion-protective properties of zinc-rich coating based on water sodium silicate (ZRC) using the Electrochemical Impedance Spectra (EIS) with AutoLAB PGSTAT204N. The system consists of three electrodes: Ag/AgCl reference electrode in 3 M solution of KCl, auxiliary electrode – Pt (8x8 mm) and working electrodes for determination potential (Ecorr) and impedance measurement, salt spray test method and natural teszzt method at Dam Bay Marine Research Station, Nha Trang, Khanh Hoa, Viet Nam. ZSC can provide good cathodic protection when zinc content is 70% by weight or more. ZSC with a mixing ratio of High Modulus Liquid Sodium Glass / Zinc Powde : 25/75 by weight (working title – TTL-VN) has good corrosion protection after 16 cycles salt spray test and after 18 months natural test in seawater. The paint film has basic parameters as adhesion – 4,41 MPa, flexural strength – 2 mm, pendulum hardness – 0,62 conventional units and initial coating potentia l – 0,96 V Ag/AgCl.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>коррозия</kwd><kwd>электрохимические свойства</kwd><kwd>натриевое жидкое стекло</kwd><kwd>цинк-наполненная краска</kwd></kwd-group><kwd-group xml:lang="en"><kwd>corrosion</kwd><kwd>electrochemical properties</kwd><kwd>water sodium silicate</kwd><kwd>z inc-rich paint</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">Azizul Sofian, Kazuhiko Noda. 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