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<article 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" xmlns:ali="http://www.niso.org/schemas/ali/1.0/" article-type="other" dtd-version="1.2" xml:lang="en"><front><journal-meta><journal-id journal-id-type="publisher-id">Frontier Materials &amp; Technologies</journal-id><journal-title-group><journal-title xml:lang="en">Frontier Materials &amp; Technologies</journal-title><trans-title-group xml:lang="ru"><trans-title>Frontier Materials &amp; Technologies</trans-title></trans-title-group></journal-title-group><issn publication-format="print">2782-4039</issn><issn publication-format="electronic">2782-6074</issn><publisher><publisher-name xml:lang="en">Togliatti State University</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="publisher-id">86</article-id><article-id pub-id-type="doi">10.18323/2073-5073-2018-1-30-35</article-id><article-categories><subj-group subj-group-type="toc-heading" xml:lang="en"><subject>Technical Sciences</subject></subj-group><subj-group subj-group-type="toc-heading" xml:lang="ru"><subject>Технические науки</subject></subj-group><subj-group subj-group-type="article-type"><subject></subject></subj-group></article-categories><title-group><article-title xml:lang="en">THE STUDY OF THE ELECTROCHEMICAL BEHAVIOR OF SUPERLASTIC Ti-Nb ALLOYS IN A MODEL PHYSIOLOGICAL SOLUTION UNDER THE CYCLIC LOADING</article-title><trans-title-group xml:lang="ru"><trans-title>ИЗУЧЕНИЕ ЭЛЕКТРОХИМИЧЕСКОГО ПОВЕДЕНИЯ СВЕРХУПРУГИХ СПЛАВОВ Ti-Nb В МОДЕЛЬНОМ ФИЗИОЛОГИЧЕСКОМ РАСТВОРЕ ПРИ ЦИКЛИЧЕСКОМ НАГРУЖЕНИИ</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Korobkova</surname><given-names>A. A.</given-names></name><name xml:lang="ru"><surname>Коробкова</surname><given-names>А. А.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>postgraduate student</p></bio><bio xml:lang="ru"><p>аспирант</p></bio><email>nastyakorobkova@gmail.com</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Kazakbiev</surname><given-names>A. M.</given-names></name><name xml:lang="ru"><surname>Казакбиев</surname><given-names>А. М.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>postgraduate student</p></bio><bio xml:lang="ru"><p>аспирант</p></bio><email>kazakbiev@yandex.ru</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Zhukova</surname><given-names>Yu. S.</given-names></name><name xml:lang="ru"><surname>Дубинский</surname><given-names>С. М.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>PhD (Engineering), senior researcher</p></bio><bio xml:lang="ru"><p>кандидат технических наук, доцент</p></bio><email>sdubinskiy@gmail.com</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Prokoshkin</surname><given-names>S. D.</given-names></name><name xml:lang="ru"><surname>Прокошкин</surname><given-names>С. Д.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>Doctor of Sciences (Physics and Mathematics), Professor, chief researcher</p></bio><bio xml:lang="ru"><p>доктор физико-математических наук, профессор, главный научный сотрудник</p></bio><email>prokoshkin@tmo.misis.ru</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Filonov</surname><given-names>M. R.</given-names></name><name xml:lang="ru"><surname>Филонов</surname><given-names>М. Р.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>Doctor of Sciences (Engineering), Professor, vice-rector for science and innovation</p></bio><bio xml:lang="ru"><p>доктор технических наук, профессор, проректор по науке и инновациям</p></bio><email>filonov@misis.ru</email><xref ref-type="aff" rid="aff1"/></contrib></contrib-group><aff-alternatives id="aff1"><aff><institution xml:lang="en">National University of Science and Technology MISiS</institution></aff><aff><institution xml:lang="ru">Национальный исследовательский технологический университет МИСиС</institution></aff></aff-alternatives><pub-date date-type="pub" iso-8601-date="2018-03-30" publication-format="electronic"><day>30</day><month>03</month><year>2018</year></pub-date><issue>1</issue><issue-title xml:lang="en"/><issue-title xml:lang="ru"/><fpage>30</fpage><lpage>35</lpage><history><date date-type="received" iso-8601-date="2021-03-10"><day>10</day><month>03</month><year>2021</year></date><date date-type="accepted" iso-8601-date="2021-03-10"><day>10</day><month>03</month><year>2021</year></date></history><permissions><ali:free_to_read xmlns:ali="http://www.niso.org/schemas/ali/1.0/"/></permissions><self-uri xlink:href="https://vektornaukitech.ru/jour/article/view/86">https://vektornaukitech.ru/jour/article/view/86</self-uri><abstract xml:lang="en"><p>The replacement of bone tissue is one of the most important issues of medicine, as evidenced by the ever-increasing volumes of relevant markets. The more and more advanced requirements are imposed on the materials for  the intrabone implants. For many years, the titanium-based alloys are widely used as a material for biomedical implants due to their unique combination of properties: high strength, low hardness and density, high corrosion resistance, and bio-compatibility. One of the most common reasons for the implant’s breakage is the corrosion-fatigue failure. Thus, the corrosion and electrochemical studies in the conditions simulating the finished product mode are of great practical importance. </p><p>The aim of this paper is the comparison of the electrochemical and corrosion behavior of Ti-22Nb-6Zr superelastic alloy and the commercially used pure titanium under the simulated conditions of service of loadbearing bone implants in the solution simulating the bone tissue environment. Free corrosion potential was measured on wire samples in the 0.9 % NaCl physiological solution (B. Braun, Germany) when applying bending load (maximum induced strain is 1.5 % with  the cyclic frequency of 0.9 Hz) until the sample failure. The study shows that the Ti-22Nb-6Zr alloy is better in terms of corrosion-fatigue behavior compared to pure Ti. In particular, it possesses the higher free corrosion potential values and its passive oxide film is more resistant to the impact of cyclic loading; consequently, the alloy possesses the longer fatigue life and the number of cycles until the implant’s failure is much greater.</p></abstract><trans-abstract xml:lang="ru"><p>Замена костной ткани – одна из самых актуальных проблем медицины, о чем свидетельствуют постоянно растущие объемы соответствующих рынков. К материалам для изготовления внутрикостных имплантатов предъявляются всё более высокие требования. Сплавы на основе титана широко применяются в качестве материала для биомедицинских имплантатов ввиду своей уникальной комбинации свойств: высокой прочности, низкой жесткости и плотности, высокой коррозионной стойкости и биосовместимости. Одной из наиболее распространенных причин выхода имплантата из строя является коррозионно-усталостное разрушение. Таким образом, коррозионное и электрохимическое исследования в условиях, имитирующих режим готовой продукции, имеют большое практическое значение.</p><p>Цель статьи – сравнение электрохимического и коррозионного поведения сверхупругого сплава Ti-22Nb-6Zr и коммерчески используемого чистого титана в модельных условиях эксплуатации имплантатов, работающих под нагрузкой, в растворе, имитирующем среду костной ткани. Измерение потенциала свободной коррозии проводилось на образцах из проволоки в 0,9 % физиологическом растворе NaCl (B. Braun, Германия) с применением изгибающих нагрузок (максимальная наведенная деформация 1,5 % с частотой циклов 0,9 Гц) до момента разрушения образца. В ходе исследований было показано, что сплав Ti-22Nb-6Zr превосходит чистый Ti с точки зрения коррозионно-усталостного поведения. В частности, он обладает более высокими значениями потенциала свободной коррозии, его пассивная оксидная пленка более устойчива к воздействию циклических нагрузок; соответственно, сплав обладает большей усталостной долговечностью, и количество циклов до разрушения значительно больше.</p></trans-abstract><kwd-group xml:lang="en"><kwd>titanium alloys</kwd><kwd>biocompatibility</kwd><kwd>fatigue life</kwd><kwd>free corrosion potential</kwd></kwd-group><kwd-group xml:lang="ru"><kwd>титановые сплавы</kwd><kwd>биосовместимость</kwd><kwd>усталостная долговечность</kwd><kwd>потенциал свободной кор-розии</kwd></kwd-group><funding-group><funding-statement xml:lang="ru">Авторы выражают благодарность Ф.М. 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