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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">sat</journal-id><journal-title-group><journal-title xml:lang="ru">НАУКА и ТЕХНИКА</journal-title><trans-title-group xml:lang="en"><trans-title>Science &amp; Technique</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">2227-1031</issn><issn pub-type="epub">2414-0392</issn><publisher><publisher-name>Belarusian National Technical University</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.21122/2227-1031-2018-17-3-211-219</article-id><article-id custom-type="elpub" pub-id-type="custom">sat-1680</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>МАШИНОСТРОЕНИЕ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>MECHANICAL ENGINEERING</subject></subj-group></article-categories><title-group><article-title>ЭЛЕКТРОЛИТНО-ПЛАЗМЕННОЕ ПОЛИРОВАНИЕ ТИТАНОВЫХ И НИОБИЕВЫХ СПЛАВОВ</article-title><trans-title-group xml:lang="en"><trans-title>ELECTROLYTE-PLASMA POLISHING OF TITANIUM AND NIOBIUM ALLOYS</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>Алексеев</surname><given-names>Ю. Г.</given-names></name><name name-style="western" xml:lang="en"><surname>Aliakseyeu</surname><given-names>Yu. G.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Кандидат технических наук, доцент</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>Королёв</surname><given-names>А. Ю.</given-names></name><name name-style="western" xml:lang="en"><surname>Korolyov</surname><given-names>A. Yu.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Кандидат технических наук </p><p>Адрес для переписки: Королёв Александр Юрьевич – Белорусский национальный технический университет, ул. Я. Коласа, 24, 220013, г. Минск. Тел.: +375 17 292-25-98    korolyov@park.bntu.by</p></bio><bio xml:lang="en"><p>Address for correspondence: Korolyov Aleksandr Yu. – Belarusian National Technical University, 24 Ya. Kolasa str., 220013, Minsk, Republic of Belarus. Tel: +375 17 292-25-98    korolyov@park.bntu.by</p></bio><email xlink:type="simple">korolyov@park.bntu.by</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>Нисс</surname><given-names>В. С.</given-names></name><name name-style="western" xml:lang="en"><surname>Niss</surname><given-names>V. S.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Кандидат технических наук, доцент</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>Паршуто</surname><given-names>А. Э.</given-names></name><name name-style="western" xml:lang="en"><surname>Parshuto</surname><given-names>A. E.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Инженер</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>Будницкий</surname><given-names>А. С.</given-names></name><name name-style="western" xml:lang="en"><surname>Budnitskiy</surname><given-names>A. S.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Аспирант</p></bio><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Белорусский национальный технический университет</institution><country>Беларусь</country></aff><aff xml:lang="en"><institution>Belarusian National Technical University</institution><country>Belarus</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2018</year></pub-date><pub-date pub-type="epub"><day>31</day><month>05</month><year>2018</year></pub-date><volume>17</volume><issue>3</issue><fpage>211</fpage><lpage>219</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Алексеев Ю.Г., Королёв А.Ю., Нисс В.С., Паршуто А.Э., Будницкий А.С., 2018</copyright-statement><copyright-year>2018</copyright-year><copyright-holder xml:lang="ru">Алексеев Ю.Г., Королёв А.Ю., Нисс В.С., Паршуто А.Э., Будницкий А.С.</copyright-holder><copyright-holder xml:lang="en">Aliakseyeu Y.G., Korolyov A.Y., Niss V.S., Parshuto A.E., Budnitskiy A.S.</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://sat.bntu.by/jour/article/view/1680">https://sat.bntu.by/jour/article/view/1680</self-uri><abstract><p>Титановые и ниобиевые сплавы широко применяются в настоящее время в самолетостроении, атомной энергетике, СВЧ-технике, космической и ультразвуковой технике, а также при производстве изделий медицинского назначения. В большинстве случаев технология изготовления таких изделий предусматривает выполнение качественного полирования поверхности. Традиционно для полирования изделий из титановых и ниобиевых сплавов используются механические и электрохимические методы. Недостатки механических методов – малая производительность, подверженность внедрению инородных частиц, затруднения при обработке сложных геометрических форм. Для электрохимических технологий указанные материалы являются труднообрабатываемыми, а процессы их полирования требуют применения токсичных электролитов. Традиционно электрохимическое полирование титановых и ниобиевых сплавов осуществляют в кислотных электролитах, состоящих из токсичной плавиковой (20–25 %), серной азотной и хлорной кислот. Недостатки таких растворов – их высокая агрессивность и вред, наносимый производственному персоналу и окружающей среде. Предлагается использовать принципиально новые, разработанные авторами статьи режимы электролитно-плазменной обработки с целью электролитно-плазменного полирования и очистки изделий из титановых и ниобиевых сплавов с применением электролитов простого состава на основе водного раствора фторида аммония, обеспечивающие существенное повышение качества поверхности с высокой отражательной способностью. За счет применения водного электролита технология обладает высокой экологической безопасностью по сравнению с традиционным электрохимическим полированием. Приводятся результаты исследования влияния характеристик процесса электролитно-плазменного полирования титана и ниобия с применением разработанного режима на производительность, эффективность обработки, качество поверхности, а также на структуру и свойства обрабатываемой поверхности. На основании полученных результатов отработаны процессы электролитноплазменного полирования ряда изделий из титановых сплавов ВТ6 (Grade 5), применяемых в медицине и авиастроении.</p></abstract><trans-abstract xml:lang="en"><p>Titanium and niobium alloys are widely used at present in aircraft, nuclear energy, microwave technology, space and ultrasonic technology, as well as in manufacture of medical products. In most cases production technology of such products involves an implementation of a quality polishing surface. Mechanical and electrochemical methods are conventionally used for polishing products made of titanium and niobium alloys. Disadvantages of mechanical methods are low productivity, susceptibility to introduction of foreign particles, difficulties in processing complex geometric shapes. These materials are hard-to-machine for electrochemical technologies and processes of their polishing require the use of toxic electrolytes. Traditionally, electrochemical polishing of titanium and niobium alloys is carried out in acid electrolytes consisting of toxic hydrofluoric (20–25 %), sulfuric nitric and perchloric acids. The disadvantage of such solutions is their high aggressiveness and harmful effects for production personnel and environment. This paper proposes to use fundamentally new developed modes of electrolytic-plasma treatment for electrolyte-plasma polishing and cleaning products of titanium and niobium alloys while using simple electrolyte composition based on an aqueous ammonium fluoride solution providing a significant increase in surface quality that ensures high reflectivity. Due to the use of aqueous electrolyte the technology has a high ecological safety in comparison with traditional electrochemical polishing. The paper presents results of the study pertaining to the effect of titanium and niobium electrolytic-plasma polishing characteristics using the developed mode for productivity, processing efficiency, surface quality, and structure and properties of the surface to be treated. Based on the obtained results, processes of electrolytic-plasma polishing of a number of products made of titanium alloys BT6 (Grade 5), used in medicine and aircraft construction, have been worked out in the paper.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>электролитно-плазменная обработка</kwd><kwd>полирование</kwd><kwd>очистка</kwd><kwd>титан</kwd><kwd>ниобий</kwd><kwd>электролит</kwd><kwd>шероховатость</kwd><kwd>производительность</kwd><kwd>плотность тока</kwd><kwd>напряжение</kwd></kwd-group><kwd-group xml:lang="en"><kwd>electrolyte-plasma treatment</kwd><kwd>polishing</kwd><kwd>cleaning</kwd><kwd>titanium</kwd><kwd>niobium</kwd><kwd>electrolyte</kwd><kwd>roughness</kwd><kwd>productivity</kwd><kwd>current density</kwd><kwd>voltage</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">Application and Features of Titanium for the Aerospace Industry / I. 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