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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">zldm</journal-id><journal-title-group><journal-title xml:lang="ru">Заводская лаборатория. Диагностика материалов</journal-title><trans-title-group xml:lang="en"><trans-title>Industrial laboratory. Diagnostics of materials</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">1028-6861</issn><issn pub-type="epub">2588-0187</issn><publisher><publisher-name>ООО «Издательство «ТЕСТ-ЗЛ»</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.26896/1028-6861-2020-86-9-70-76</article-id><article-id custom-type="elpub" pub-id-type="custom">zldm-1281</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>ИССЛЕДОВАНИЕ СТРУКТУРЫ И СВОЙСТВ. МЕХАНИКА МАТЕРИАЛОВ: ПРОЧНОСТЬ, РЕСУРС, БЕЗОПАСНОСТЬ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>TESTING OF STRUCTURE AND PARAMETERS. MECHANICAL TESTING METHODS</subject></subj-group></article-categories><title-group><article-title>Разработка методики ускоренных испытаний трубных сталей нефтяного сортамента на коррозионное растрескивание</article-title><trans-title-group xml:lang="en"><trans-title>Development of the methodology of accelerated testing of oil-gas pipe steels for stress corrosion cracking</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>Альхименко</surname><given-names>А. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Alkhimenko</surname><given-names>A. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Алексей Александрович Альхименко</p><p>195251, Санкт-Петербург, ул. Политехническая, д. 29</p></bio><bio xml:lang="en"><p>Alexey A. Alkhimenko</p><p>29 Politechnicheskaya ul., St. Petersburg, 195251</p></bio><email xlink:type="simple">a.alkhimenko@spbstu.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>Шемякинский</surname><given-names>Б. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Kharkov</surname><given-names>A. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Борис Александрович Шемякинский</p></bio><bio xml:lang="en"><p>Alexander A. Kharkov</p><p>29 Politechnicheskaya ul., St. Petersburg, 195251</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>Харьков</surname><given-names>А. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Shemyakinskiy</surname><given-names>B. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Александр Аркадьевич Харьков</p><p>195251, Санкт-Петербург, ул. Политехническая, д. 29</p></bio><bio xml:lang="en"><p>Boris A. Shemyakinskiy</p><p>29 Politechnicheskaya ul., St. Petersburg, 195251</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>Шапошников</surname><given-names>Н. О.</given-names></name><name name-style="western" xml:lang="en"><surname>Shaposhnikov</surname><given-names>N. O.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Никита Олегович Шапошников</p><p>195251, Санкт-Петербург, ул. Политехническая, д. 29</p></bio><bio xml:lang="en"><p>Nikita O. Shaposhnikov</p><p>29 Politechnicheskaya ul., St. Petersburg, 195251</p></bio><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Санкт-Петербургский Политехнический Университет Петра Великого</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Peter the Great St. Petersburg Polytechnic University</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2020</year></pub-date><pub-date pub-type="epub"><day>13</day><month>09</month><year>2020</year></pub-date><volume>86</volume><issue>9</issue><fpage>70</fpage><lpage>76</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Альхименко А.А., Шемякинский Б.А., Харьков А.А., Шапошников Н.О., 2020</copyright-statement><copyright-year>2020</copyright-year><copyright-holder xml:lang="ru">Альхименко А.А., Шемякинский Б.А., Харьков А.А., Шапошников Н.О.</copyright-holder><copyright-holder xml:lang="en">Alkhimenko A.A., Kharkov A.A., Shemyakinskiy B.A., Shaposhnikov N.O.</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.zldm.ru/jour/article/view/1281">https://www.zldm.ru/jour/article/view/1281</self-uri><abstract><p>В процессе эксплуатации трубные стали нефтяного сортамента подвергаются воздействию коррозионно-активных сред, что при наличии растягивающих напряжений может привести к их коррозионному растрескиванию. Стандартная методика оценки склонности сталей к коррозионному растрескиванию при статической нагрузке имеет продолжительность 720 ч и зачастую не в полной мере дает представление о характеристиках материала. Цель работы — разработка методики испытаний, позволяющей получить достоверную информацию о поведении материала в коррозионной среде под напряжением за более короткий срок. Предложена методика ускоренных испытаний трубных сталей нефтяного сортамента на коррозионное растрескивание со скоростью относительной деформации ~10–6 с–1. Приведены результаты испытаний двух материалов при различной скорости деформации и в разных коррозионных средах. По диаграммам растяжения образцов, испытанных на воздухе и в коррозионных средах, содержащих сероводород и углекислый газ, а также по измерению относительного удлинения и относительного сужения разрушенных образцов определена степень склонности трубных сталей различной прочности к коррозионному растрескиванию. В результате проведенных испытаний показано, что стали в зависимости от уровня прочности и коррозионной среды в различной степени проявляют склонность к коррозионному растрескиванию под напряжением. Испытания с медленной скоростью нагружения по сравнению с испытаниями при статической нагрузке образцов сокращают продолжительность эксперимента с 720 – 1000 до 25 – 100 часов.</p></abstract><trans-abstract xml:lang="en"><p>Tensile stresses present in the pipe steels exposed to corrosive environment can result in the corrosion cracking of the pipe material. The standard procedure used for assessing the susceptibility of steels to stress corrosion cracking (for about 720 h) often does not fully provide insight into the characteristics of the material. The goal of the study is developing of a more rapid test procedure which can provide a reliable and complete information about the material placed in a corrosive environment under stress. Accelerated test for stress corrosion cracking of pipe steels with a relative strain rate of ~10–6 sec–1 is proposed. The results of testing two materials at different deformation rates placed in different corrosive environments are presented. The tensile diagrams of the specimens tested in air and in corrosive environments containing hydrogen sulfide and carbon dioxide, as well as the measurement of the relative elongation and relative contraction of fractured specimens, were used to determine a degree of the susceptibility of the pipe steels which differ in the strength characteristics to stress corrosion cracking. It is shown that the degree of susceptibility of steel to stress corrosion cracking depends on the characteristics of the corrosive environment and the strength of the pipe steel. Tests under low rate of loading compared to tests with static load of the specimens revealed reduced duration of analysis from 720 – 1000 to 25 – 100 h.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>трубные стали</kwd><kwd>коррозионное растрескивание</kwd><kwd>скорость деформации</kwd><kwd>сероводород</kwd><kwd>углекислый газ</kwd></kwd-group><kwd-group xml:lang="en"><kwd>pipe steels</kwd><kwd>stress corrosion cracking</kwd><kwd>strain rate</kwd><kwd>hydrogen sulfide</kwd><kwd>carbon dioxide</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">Ажогин Ф. Ф. Коррозионное растрескивание и защита высокопрочных сталей. — М.: Металлургия, 1974. — 256 с.</mixed-citation><mixed-citation xml:lang="en">Azhogin F. F. Corrosion cracking and protection of high-strength steels. — Moscow: Metallurgiya, 1974. — 256 p. 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