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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">vestniktgasu</journal-id><journal-title-group><journal-title xml:lang="ru">Вестник Томского государственного архитектурно-строительного университета</journal-title><trans-title-group xml:lang="en"><trans-title>Vestnik Tomskogo gosudarstvennogo arkhitekturno-stroitel'nogo universiteta. JOURNAL of Construction and Architecture</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">1607-1859</issn><issn pub-type="epub">2310-0044</issn><publisher><publisher-name>Tomsk State University of Architecture and Building</publisher-name></publisher></journal-meta><article-meta><article-id custom-type="elpub" pub-id-type="custom">vestniktgasu-10</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>СТРОИТЕЛЬНЫЕ КОНСТРУКЦИИ, ЗДАНИЯ И СООРУЖЕНИЯ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>BUILDING AND CONSTRUCTION</subject></subj-group></article-categories><title-group><article-title>ОЦЕНКА ТЕХНИЧЕСКОГО СОСТОЯНИЯ МЕТАЛЛИЧЕСКИХ ИЗДЕЛИЙ ПО ПЛОТНОСТИ РАСПРЕДЕЛЕНИЯ ТВЕРДОСТИ ПО РОКВЕЛЛУ</article-title><trans-title-group xml:lang="en"><trans-title>ESTIMATION OF TECHNICAL CONDITION OF METAL PRODUCTS USING ROCKWELL HARDNESS TEST METHOD</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>Осипов</surname><given-names>СЕРГЕЙ ПАВЛОВИЧ</given-names></name><name name-style="western" xml:lang="en"><surname>Osipov</surname><given-names>SERGEI P.</given-names></name></name-alternatives><email xlink:type="simple">osip1809@rambler.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>Осипов</surname><given-names>ОЛЕГ СЕРГЕЕВИЧ</given-names></name><name name-style="western" xml:lang="en"><surname>Osipov</surname><given-names>OLEG. S.</given-names></name></name-alternatives><email xlink:type="simple">ososipov@rambler.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>Подшивалов</surname><given-names>ИВАН ИВАНОВИЧ</given-names></name><name name-style="western" xml:lang="en"><surname>Podshivalov</surname><given-names>IVAN I.</given-names></name></name-alternatives><email xlink:type="simple">ivanpodchivalov@list.ru</email><xref ref-type="aff" rid="aff-2"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Берженару</surname><given-names>НАТАЛЬЯ ВАЛЕРЬЕВНА</given-names></name><name name-style="western" xml:lang="en"><surname>Berzhenaru</surname><given-names>NATAL'YA V.</given-names></name></name-alternatives><email xlink:type="simple">nbezhenaru@mail.ru</email><xref ref-type="aff" rid="aff-2"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Жантыбаев</surname><given-names>АЛИБЕК АЙВАР-БАУРЖАНОВИЧ</given-names></name><name name-style="western" xml:lang="en"><surname>Zhantybaev</surname><given-names>ALIBEK A.</given-names></name></name-alternatives><email xlink:type="simple">drlivesey1305@gmail.com</email><xref ref-type="aff" rid="aff-3"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Томский политехнический университет</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Tomsk Polytechnic University</institution><country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-2"><aff xml:lang="ru"><institution>Томский государственный архитектурно-строительный университет</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Tomsk State University of Architecture and Building</institution><country>Russian Federation</country></aff></aff-alternatives><aff xml:lang="ru" id="aff-3"><institution>Томский политехнический университет</institution><country>Russian Federation</country></aff><pub-date pub-type="collection"><year>2015</year></pub-date><pub-date pub-type="epub"><day>21</day><month>02</month><year>2018</year></pub-date><volume>0</volume><issue>1</issue><fpage>122</fpage><lpage>131</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Осипов С.П., Осипов О.С., Подшивалов И.И., Берженару Н.В., Жантыбаев А.А., 2018</copyright-statement><copyright-year>2018</copyright-year><copyright-holder xml:lang="ru">Осипов С.П., Осипов О.С., Подшивалов И.И., Берженару Н.В., Жантыбаев А.А.</copyright-holder><copyright-holder xml:lang="en">Osipov S.P., Osipov O.S., Podshivalov I.I., Berzhenaru N.V., Zhantybaev A.A.</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://vestnik.tsuab.ru/jour/article/view/10">https://vestnik.tsuab.ru/jour/article/view/10</self-uri><abstract><p>Значение твердости поверхностного слоя металла по Роквеллу, полученное в результате единичного акта измерения твердости, рассматривается в качестве случайной величины. Исследована связь плотности распределения случайной величины с техническим состоянием поверхности металлического изделия. Проведена серия экспериментальных работ по оценке основных параметров твёрдости по Роквеллу. Проверена гипотеза о принадлежности распределения твердости к классу логнормальных распределений. На основе сопоставления результатов механических и оптико-визуальных испытаний подтверждена возможность оценки технического состояния металлических изделий по результатам экспериментального определения плотности распределения твёрдости по Роквеллу.</p></abstract><trans-abstract xml:lang="en"><p>The value of Rockwell hardness of the metal layer obtained by a single measuring is considered in this paper as a random variable. A study of the random variable distribution is described including the technical condition of the metal surface. A series of Rockwell hardness tests is presented to estimate its main parameters. It is assumed that the hardness distribution refers to the lognormal distribution class. A comparison of results obtained from mechanical and optical and visual tests shows that the technical condition of metal products can be estimated using the Rockwell hardness test method.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>твердость металла</kwd><kwd>твёрдость по Роквеллу</kwd><kwd>техническое состояние</kwd><kwd>случайная величина</kwd><kwd>плотность распределения</kwd><kwd>логнормальное распределение</kwd><kwd>hardness of metal</kwd><kwd>Rockwell hardness</kwd><kwd>technical condition</kwd><kwd>random variable</kwd><kwd>hardness distribution</kwd><kwd>lognormal distribution</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">Batchelor, A.W. Materials degradation and its control by surface engineering / A.W. Batchelor, L.N. Lam, M. 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