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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">blackmet</journal-id><journal-title-group><journal-title xml:lang="ru">Известия высших учебных заведений. Черная Металлургия</journal-title><trans-title-group xml:lang="en"><trans-title>Izvestiya. Ferrous Metallurgy</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">0368-0797</issn><issn pub-type="epub">2410-2091</issn><publisher><publisher-name>National University of Science and Technology "MISIS"</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.17073/0368-0797-2016-9-663-670</article-id><article-id custom-type="elpub" pub-id-type="custom">blackmet-923</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>СТАЛИ ОСОБОГО НАЗНАЧЕНИЯ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>SUPERDUTY STEEL</subject></subj-group></article-categories><title-group><article-title>КОРРОЗИОННАЯ СТОЙКОСТЬ В РАЗНЫХ СРЕДАХ ВЫСОКОПРОЧНОЙ АУСТЕНИТНОЙ АЗОТИСТОЙ ХРОМОНИКЕЛЬМАРГАНЦЕВОЙ СТАЛИ</article-title><trans-title-group xml:lang="en"><trans-title>CORROSION RESISTANCE IN DIFFERENT MEDIA OF HIGH-STRENGTH AUSTENITIC NITROGENOUS CHROMIUM-MANGANESE STEEL</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>Капуткина</surname><given-names>Л. М.</given-names></name><name name-style="western" xml:lang="en"><surname>Kaputkina</surname><given-names>I. M.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Доктор физико-математических наук, профессор, главный научный сотрудник кафедры обработки металлов давлением</p></bio><bio xml:lang="en"><p>Dr. Sci. (Phys.–Math.), Professor, Chief Researcher of the Chair “Metal Forming”</p></bio><email xlink:type="simple">kaputkina@mail.ru</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>Свяжин</surname><given-names>А. Г.</given-names></name><name name-style="western" xml:lang="en"><surname>Svyazhin</surname><given-names>A. G.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Доктор технических наук, профессор, главный научный сотрудник кафедры металлургии стали и ферросплавов</p></bio><bio xml:lang="en"><p>Dr. Sci. (Eng.), Professor, Chief Researcher of the Chair “Metallurgy of Steel and Ferroalloys”</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>Смарыгина</surname><given-names>И. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Smarygina</surname><given-names>I. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Кандидат технических наук, доцент кафедры пластической деформации специальных сплавов</p></bio><bio xml:lang="en"><p>Cand. Sci. (Eng.), Assist. Professor of the Chair of Plastic Deformation of Special Alloys</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>Бобков</surname><given-names>Т. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Bobkov</surname><given-names>T. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Аспирант</p></bio><bio xml:lang="en"><p>Postgraduate</p></bio><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Национальный исследовательский технологический университет «МИСиС», Москва</institution><country>Россия</country></aff><aff xml:lang="en"><institution>National University of Science and Technology “MISIS”, Moscow</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2016</year></pub-date><pub-date pub-type="epub"><day>15</day><month>10</month><year>2016</year></pub-date><volume>59</volume><issue>9</issue><fpage>663</fpage><lpage>670</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Капуткина Л.М., Свяжин А.Г., Смарыгина И.В., Бобков Т.В., 2016</copyright-statement><copyright-year>2016</copyright-year><copyright-holder xml:lang="ru">Капуткина Л.М., Свяжин А.Г., Смарыгина И.В., Бобков Т.В.</copyright-holder><copyright-holder xml:lang="en">Kaputkina I.M., Svyazhin A.G., Smarygina I.V., Bobkov T.V.</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://fermet.misis.ru/jour/article/view/923">https://fermet.misis.ru/jour/article/view/923</self-uri><abstract><p>Экспериментально изучено сопротивление коррозии высокопрочных легированных азотом, а также дополнительно медью Cr – Ni – Mn аустенитных сталей в сравнении с хромоникелевыми сталями Х18Н9 и Х18АН9 с помощью электрохимической станции Zive MP2. Получены поляризационные кривые и электрохимические показатели общей, питтинговой и межкристаллитной коррозии (МКК) в разных средах: водных растворах 3 % NaCl; (100 г/л) FeCl3·6 H2O; 0,5М H2SO4 ; 0,5М H2SO4 + продувка H2S; 0,5M H2SO4 + + 0,01M KSCN. Рассчитаны условные скорости коррозии. По результатам исследований сделан вывод, что все стали являются коррозионно-стойкими с высокими показателями стойкости к МКК, питтинговой и общей коррозии в хлоридсодержащих средах. Хромоникельмарганцевые стали, легированные азотом, и особенно совместно азотом и медью, при сбалансированном по содержанию азота и другим легирующим элементом составе, даже при меньшем содержании никеля, не подвержены питтинговой коррозии в морской воде и обладают не только большой прочностью, но и большой коррозионной стойкостью, в том числе в кислой среде (0,5M H2SO4 ) по сравнению с традиционной сталью Х18Н9.</p></abstract><trans-abstract xml:lang="en"><p>The corrosion resistance of high-strength austenitic Cr – Ni – Mn steels alloyed by nitrogen and optionally copper was experimentally studied in comparison with chromium-nickel steels Cr18Ni9 and Cr18Ni9N using electrochemical station Zive MP2. There were received polarization curves and electrochemical parameters of general, pitting and intercrystalline corrosion in diff erent media: aqueous solutions of 3 % NaCl; (100 g/l) FeCl3·6 H2O; 0.5M H2SO4 ; 0.5M H2SO4 + + H2S blowing; 0.5M H2SO4 + 0.01M KSCN. The conditional corrosion rate was calculated. According to the results of the research it was concluded that all steels are corrosion-resistant with high resistance to the general, pitting and intercrystalline corrosion in chloride media. Cr – Ni – Mn austenitic steels, alloyed by nitrogen, especially in conjunction with nitrogen and copper, with a balanced content of nitrogen and another alloying element in the composition, even at a lower content of nickel, aren’t subject to pitting corrosion in sea water and have not only great strength but also great corrosion resistance, including acidic medium (0,5M H2SO4 ) compared to traditional steel Cr18Ni9.</p></trans-abstract><kwd-group xml:lang="en"><kwd>austenitic high-strength nitrogenous steel</kwd><kwd>corrosion resistance</kwd><kwd>pitting corrosion</kwd><kwd>general corrosion</kwd></kwd-group><funding-group><funding-statement xml:lang="ru">Министерство образования и науки Российской Федерации (RFMEFI57514X0071)</funding-statement><funding-statement xml:lang="en">Russian Ministry of Education (RFMEFI57514X0071)</funding-statement></funding-group></article-meta></front><back><ref-list><title>References</title><ref id="cit1"><label>1</label><citation-alternatives><mixed-citation xml:lang="ru">Baba H., Kodama T., Katada Y. 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