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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">10.17073/0368-0797-2019-1-49-56</article-id><article-id custom-type="elpub" pub-id-type="custom">blackmet-1563</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>МАТЕРИАЛОВЕДЕНИЕ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>MATERIAL SCIENCE</subject></subj-group></article-categories><title-group><article-title>КОРРОЗИОННАЯ И КАВИТАЦИОННАЯ СТОЙКОСТЬ В МОРСКОЙ ВОДЕ ВЫСОКОПРОЧНЫХ АЗОТИСТЫХ ХРОМОНИКЕЛЬМАРГАНЦЕВЫХ АУСТЕНИТНЫХ СТАЛЕЙ</article-title><trans-title-group xml:lang="en"><trans-title>CORROSION AND CAVITATION RESISTANCE IN SEAWATER OF CHROMIUM–NICKEL–MANGANESE HIGH-STRENGTH NITROGEN AUSTENITIC STEELS</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>L. M.</given-names></name></name-alternatives><bio xml:lang="ru"><p>д.ф.-м.н, профессор, главный научный сотрудник кафедры обработки металлов давлением</p><p>119049, Москва, Ленинский пр., 4</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>д.т.н., профессор, главный научный сотрудник кафедры металлургии стали, новых производственных технологий и защиты металлов</p><p>119049, Москва, Ленинский пр., 4</p></bio><bio xml:lang="en"><p>Dr. Sci. (Eng.), Professor, Chief Researcher of the Chair of Metallurgy of Steel, New Production Technologies and Metal Protection</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>к.т.н., доцент кафедры пластической деформации специальных сплавов</p><p>119049, Москва, Ленинский пр., 4</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>Киндоп</surname><given-names>В. Э.</given-names></name><name name-style="western" xml:lang="en"><surname>Kindop</surname><given-names>V. E.</given-names></name></name-alternatives><bio xml:lang="ru"><p>к.т.н., старший научный сотрудник, зам. начальника управления науки </p><p>119049, Москва, Ленинский пр., 4</p></bio><bio xml:lang="en"><p>Cand. Sci. (Eng.), Senior Researcher, Deputy Head of Science Department</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»</institution><country>Россия</country></aff><aff xml:lang="en"><institution>National University of Science and Technology “MISIS” (MISIS)</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2019</year></pub-date><pub-date pub-type="epub"><day>22</day><month>02</month><year>2019</year></pub-date><volume>62</volume><issue>1</issue><fpage>49</fpage><lpage>56</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Капуткина Л.М., Свяжин А.Г., Смарыгина И.В., Киндоп В.Э., 2019</copyright-statement><copyright-year>2019</copyright-year><copyright-holder xml:lang="ru">Капуткина Л.М., Свяжин А.Г., Смарыгина И.В., Киндоп В.Э.</copyright-holder><copyright-holder xml:lang="en">Kaputkina L.M., Svyazhin A.G., Smarygina I.V., Kindop V.E.</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/1563">https://fermet.misis.ru/jour/article/view/1563</self-uri><abstract><p>Экспериментально исследована коррозионная и кавитационная стойкость в морской воде высокопрочных экономнолегированных азотистых хромоникельмарганцевых сталей 10Х19Г10Н6АМ2 и 09Х19Г10Н6АМ2Д2 в сравнении с хромоникелевыми сталями 04Х18Н9 и  04Х18АН9. Испытания на стойкость к питтинговой коррозии осуществляли химическим методом в тестовом растворе 100  г/л FeCl3 ·6H2 O. Стойкость к общей коррозии оценивали испытаниями в синтетической морской воде (3 % NaCl). Испытание на кавитационную стойкость в морской воде проводили с использованием научно-исследовательского стенда высокоинтенсивных кавитационных воздействий с применением ультразвуковой установки UIP 1000hd HielscherUltrasonic в 3 %-ном растворе NaCl в воде при частоте колебаний 20  кГц, мощности 1000 Вт и амплитуде 25 мкм в течение 8 – 36 ч. После кавитационного воздействия оценивали степень повреждения и изменение микротвердости поверхности образцов, изменение фазового состава и массы образцов в результате испытаний. Показано, что стали 10Х19Г10Н6АМ2 и 09Х19Г10Н6АМ2Д2 не подвержены образованию питтингов в морской воде и в растворе хлорида железа и  имеют скорость общей коррозии ниже, чем у хромоникелевых сталей типа Х18Н9. Ультразвуковая кавитация может приводить не только к поверхностным повреждениям за счет эрозии, усилению локальной коррозии, но и к изменению их физических и механических свойств за счет наклепа и фазовых превращений. Стали 10Х19Г10Н6АМ2 и 09Х19Г10Н6АМ2Д2 с термически и механически стабильным аустенитом более стойки к ультразвуковой кавитации в морской воде по сравнению с хромоникелевыми сталями, особенно с менее прочной и  менее стабильной сталью 04Х18Н9. Так, после кавитационного воздействия в течение 36 ч на образцы хромоникелевых сталей 04Х18Н9 и 04Х18АН9, находящиеся в морской воде, наблюдались существенные изменения их состояния: значительное повреждение (травление) и  упрочнение поверхности, а также образование небольшого количества мартенсита в стали 04Х18Н9. У образцов сталей 10Х19Г10Н6АМ2 и 09Х19Г10Н6АМ2Д2 обнаружены лишь незначительное изменение состояния поверхности и упрочнение поверхностных слоев.</p></abstract><trans-abstract xml:lang="en"><p>Corrosion and cavitation resistance in seawater of high-strength economically alloyed nitrogen chromium–nickel–manganese steels Cr19Mn10Ni6Mo2N and Cr19Mn10Ni6Mo2Cu2N is experimentally studied compared to chromium-nickel steels Cr18Ni9 and Cr18Ni9N. Tests for resistance to pitting corrosion were carried out according to the chemical method in the test solution 100 g/l FeCl3 ·6H2 O. Resistance to general corrosion was assessed by tests in synthetic seawater (3  %  NaCl). Test for cavitation resistance in seawater was performed using a research stand of high-intensity cavitation effects with the use of ultrasonic devices UIP 1000  hd Hielscher Ultrasonic in 3  %  NaCl solution in water at a frequency of 20 kHz, a power of 1000  W and amplitude of 25 microns for 8  –  36  hours. The extent of damage and change in the surface microhardness, change in the phase composition and mass of the samples were assessed after cavitation. It is shown that steels Cr19Mn10Ni6Mo2N and Cr19Mn10Ni6Mo2Cu2N are more susceptible to pitting in seawater and in solution of ferric chloride, and have the general corrosion rate lower than that of chromium-nickel steels type Cr18Ni9. It is shown that ultrasonic cavitation can not only lead to surface damage due to erosion, enhance local corrosion, but also to changes in their physico-mechanical properties by strain hardening and phase transformations. Steels Cr19Mn10Ni6Mo2N and Cr19Mn10Ni6Mo2Cu2N with thermally and mechanically stable austenite are more resistant to ultrasonic cavitation in the seawater in comparison with chromium-nickel steels, especially those with less strength and less resistant steel Cr18Ni9. So subjected to cavitation in the seawater for 36 hours, samples of chromium-nickel steels Cr18Ni9 and Cr18Ni9N had a significant change in their condition: significant damage (etching) and surface hardening, and there was formation of a small amount of martensite in steel Cr18Ni9. Samples of steels Cr19Mn10Ni6Mo2N and Cr19Mn10Ni6Mo2Cu2N had only minor changes in surface conditions and hardening of the surface layers.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>хромоникельмарганцевые азотистые стали</kwd><kwd>кавитационная стойкость</kwd><kwd>коррозионная стойкость</kwd><kwd>питтинговая коррозия</kwd><kwd>общая коррозия</kwd></kwd-group><kwd-group xml:lang="en"><kwd>chromium–nickel–manganese nitrogen steel</kwd><kwd>cavitation resistance</kwd><kwd>corrosion resistance</kwd><kwd>pitting corrosion</kwd><kwd>general corrosion</kwd></kwd-group><funding-group><funding-statement xml:lang="ru">Результаты получены в рамках выполнения государственного задания Минобрнауки России (RFMEFI57514X0071).</funding-statement><funding-statement xml:lang="en">The results were obtained in the framework of fulfillment of the state task of the Ministry of Education and Science of the Russian Federation (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">Jargelius-Pettersson R.F.A. 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