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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">10.17073/0368-0797-2014-12-56-62</article-id><article-id custom-type="elpub" pub-id-type="custom">blackmet-611</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>ТЕМАТИЧЕСКАЯ ПОДБОРКА СТАТЕЙ «НАНОСТРУКТУРНОЕ МАТЕРИАЛОВЕДЕНИЕ»</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>TOPICAL COLLECTION OF ARTICLES «NANOSTRUCTURED MATERIAL SCIENCE»</subject></subj-group></article-categories><title-group><article-title>ВЛИЯНИЕ ИОННО-ЛУЧЕВОЙ ОБРАБОТКИ Zr+ НА СТРУКТУРУ И УСТАЛОСТНУЮ ДОЛГОВЕЧНОСТЬ СТАЛИ 30ХГСН2А</article-title><trans-title-group xml:lang="en"><trans-title>THE INFLUENCE OF Zr+ ION-BEAM PROCESSING ON STRUCTURE AND FATIGUE DURABILITY OF 30CrMnSiNi2 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>Власов</surname><given-names>И. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Vlasov</surname><given-names>I. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>техник лаборатории, инженер кафедры</p></bio><bio xml:lang="en"><p>Technician of laboratory of Physical Meso-mechanics and non-destructive testing, Engineer</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>Панин</surname><given-names>С. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Panin</surname><given-names>S. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>д.т.н., профессор, заместитель директора по научной работе,профессор кафедры</p></bio><bio xml:lang="en"><p>Dr. Sci. (Eng.), Professor, Deputy Director on research, Professor</p></bio><email xlink:type="simple">svp@ispms.tsc.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>Сергеев</surname><given-names>В. П.</given-names></name><name name-style="western" xml:lang="en"><surname>Sergeev</surname><given-names>V. P.</given-names></name></name-alternatives><bio xml:lang="ru"><p>д.т.н., профессор, заместитель директора по научно-производственной работе,профессор кафедры</p></bio><bio xml:lang="en"><p>Dr. Sci. (Eng.), Professor, Deputy Director on research and development, Professor</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>Рамасуббу</surname><given-names>Сундер</given-names></name><name name-style="western" xml:lang="en"><surname>Ramasubbu</surname><given-names>Sunder</given-names></name></name-alternatives><bio xml:lang="ru"><p>к.т.н., доцент кафедры</p></bio><bio xml:lang="en"><p>Cand. Sci., Assist. Professor</p></bio><xref ref-type="aff" rid="aff-2"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Марущак</surname><given-names>П. О.</given-names></name><name name-style="western" xml:lang="en"><surname>Marushchyak</surname><given-names>P. O.</given-names></name></name-alternatives><bio xml:lang="ru"><p>д.т.н., профессор кафедры</p></bio><bio xml:lang="en"><p>Dr. Sci. (Eng.), Professor</p></bio><xref ref-type="aff" rid="aff-3"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Институт физики прочности и материаловедения СО РАН(634021, Россия, Томск, пр. Академический, 2/4)&#13;
Национальный исследовательский Томский политехнический университет(634036, Россия, Томск, пр. Ленина, 30)</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Institute of strength physics and materials science SB RAS (2/4, Akademicheskii pr., Tomsk, 634036, Russia)&#13;
National Research Tomsk Polytechnic University (30, Lenina pr., Tomsk, 634036, Russia)</institution><country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-2"><aff xml:lang="ru"><institution>Национальный исследовательский Томский политехнический университет(634036, Россия, Томск, пр. Ленина, 30)</institution><country>Россия</country></aff><aff xml:lang="en"><institution>National Research Tomsk Polytechnic University (30, Lenina pr., Tomsk, 634036, Russia)</institution><country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-3"><aff xml:lang="ru"><institution>Тернопольский национальный технический университет им. И. Пулюя(46001, Украина, ул. Русская, 56)</institution><country>Украина</country></aff><aff xml:lang="en"><institution>I. Pulyi Ternopil State Technical University (56, Russkaya st., Ternopol’, 46001, Ukraine)</institution><country>Ukraine</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2014</year></pub-date><pub-date pub-type="epub"><day>01</day><month>04</month><year>2015</year></pub-date><volume>57</volume><issue>12</issue><fpage>56</fpage><lpage>62</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Власов И.В., Панин С.В., Сергеев В.П., Рамасуббу С., Марущак П.О., 2015</copyright-statement><copyright-year>2015</copyright-year><copyright-holder xml:lang="ru">Власов И.В., Панин С.В., Сергеев В.П., Рамасуббу С., Марущак П.О.</copyright-holder><copyright-holder xml:lang="en">Vlasov I.V., Panin S.V., Sergeev V.P., Ramasubbu S., Marushchyak P.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://fermet.misis.ru/jour/article/view/611">https://fermet.misis.ru/jour/article/view/611</self-uri><abstract><p>Методами оптической, растровой и просвечивающей электронной микроскопии, а также рентгенодиффракционого анализа изучена структура поверхностного слоя высокопрочной стали 30ХГСН2А, модифицированной ионно-лучевой обработкой. Выявлено формирование разупрочненного поверхностного слоя глубиной до 100 мкм, образованного в результате нагрева образцов в процессе обработки. Проведены испытания на статическое и циклическое растяжение образцов без обработки и после облучения пучком ионов циркония. Обнаружено,  что  модифицированный  поверхностный  слой  в  процессе  циклического нагружения сдерживает зарождение и развитие усталостной трещины, что приводит к более равномерному распределению деформации по рабочей части образца. Проанализированы различия  в  характере  деформационного  поведения,  а  также  изменения механических  свойств. По полученным в процессе испытания фотографиям образцов построены поля векторов перемещений и распределения деформации, иллюстрирующие закономерности развития усталостной трещины в образцах без обработки и после облучения. На основании полученных данных обсуждаются причины повышения усталостной долговечности обработанных образцов. </p></abstract><trans-abstract xml:lang="en"><p>The structure of a surface layer of highstrength 30CrMnSiNi2 steel modified by means of ion beam treatment was investigated by optical,  scanning  electron  and  transmission  electron microscopy  as well  as  X-ray  diffraction  analysis.  Formation  of  softened  surface layer with depth up  to 100 μm was  revealed due to the specimens heating in the course of treatment. Cyclic and static tension tests have been carried out for steel specimens in assupplied state and after surface irradiation by Zr+ ion beam. It is revealed that modified surface layer during cyclic  loading  inhibits  initiation and development of a fatigue  crack,  resulting  in  a more uniform  strain distribution  along the working part of  the  specimen. Differences of  the  specimen deformation behavior  and  changes of  their mechanical properties  are analyzed. Displacement  vectors  and  strain  distribution  fields were constructed  according  to micrographs  obtained  during  tests, which illustrate  regularities of  fatigue crack growth  in  specimens without treatment and after irradiation.. </p></trans-abstract><kwd-group xml:lang="ru"><kwd>усталостная долговечность</kwd><kwd> ионно-лучевая обработка</kwd><kwd> деформация</kwd><kwd> разрушение</kwd></kwd-group><kwd-group xml:lang="en"><kwd>fatigue life-time</kwd><kwd> ion-beam treatment</kwd><kwd> strain</kwd><kwd> fracture</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">Hui W., Dong H., Weng Y., Shi J., Wang M. 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