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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">powder</journal-id><journal-title-group><journal-title xml:lang="ru">Известия вузов. Порошковая металлургия и функциональные покрытия</journal-title><trans-title-group xml:lang="en"><trans-title>Powder Metallurgy аnd Functional Coatings (Izvestiya Vuzov. Poroshkovaya Metallurgiya i Funktsional'nye Pokrytiya)</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">1997-308X</issn><issn pub-type="epub">2412-8767</issn><publisher><publisher-name>НИТУ "МИСИС"</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.17073/1997-308X-2018-2-61-68</article-id><article-id custom-type="elpub" pub-id-type="custom">powder-368</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>Самораспространяющийся высокотемпературный синтез</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>Self-Propagating High-Temperature Synthesis (SHS)</subject></subj-group></article-categories><title-group><article-title>ЭЛЕКТРОПРОВОДЯЩАЯ КОМПОЗИЦИОННАЯ СВС-КЕРАМИКА НА ОСНОВЕ TIB2–ALN–BN</article-title><trans-title-group xml:lang="en"><trans-title>CONDUCTIVE TIB2–ALN–BN-BASED COMPOSITE SHS CERAMICS</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>Карпов</surname><given-names>А. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Karpov</surname><given-names>A. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>науч. сотрудник лаборатории физического материаловедения,</p><p>142432, Московская обл., г. Черноголовка, ул. Акад. Осипьяна, 8</p></bio><bio xml:lang="en"><p>Research scientist , Laboratory of materials science, </p><p>142432, Moscow region, Chernogolovka, Academician Osipyan str., 8</p></bio><email xlink:type="simple">karpov_av@ism.ac.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>Коновалихин</surname><given-names>С. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Konovalikhin</surname><given-names>S. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>канд. хим. наук, ст. науч. сотрудник лаборатории рентгеноструктурных исследований</p></bio><bio xml:lang="en"><p>Cand. Sci. (Chem.), Senior research scientist, X-Ray diffraction investigation laboratory</p></bio><email xlink:type="simple">ksv17@ism.ac.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>Боровинская</surname><given-names>И. П.</given-names></name><name name-style="western" xml:lang="en"><surname>Borovinskaya</surname><given-names>I. P.</given-names></name></name-alternatives><bio xml:lang="ru"><p>докт. хим. наук, гл. науч. сотрудник лаборатории самораспространяющегося высокотемпературного синтеза</p></bio><bio xml:lang="en"><p>Dr. Sci. (Chem.), Chief research scientist, Self-propagating high-temperature synthesis laboratory</p></bio><email xlink:type="simple">inna@ism.ac.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>Сачкова</surname><given-names>Н. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Sachkova</surname><given-names>N. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>науч. сотрудник лаборатории физического материаловедения</p></bio><bio xml:lang="en"><p>Research scientist, Laboratory of materials science</p></bio><email xlink:type="simple">kovalev@ism.ac.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>Ковалев</surname><given-names>Д. Ю.</given-names></name><name name-style="western" xml:lang="en"><surname>Kovalev</surname><given-names>D. Yu.</given-names></name></name-alternatives><bio xml:lang="ru"><p>канд. техн. наук, зав. лабораторией рентгеноструктурных исследований</p></bio><bio xml:lang="en"><p>Cand. Sci. (Tech.), Head of Laboratory X-ray diffraction investigation laboratory</p></bio><email xlink:type="simple">kovalev@ism.ac.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>Сычев</surname><given-names>А. Е.</given-names></name><name name-style="western" xml:lang="en"><surname>Sytschev</surname><given-names>A. E.</given-names></name></name-alternatives><bio xml:lang="ru"><p>канд. техн. наук, зам. директора ИСМАН, зав. лабораторией физического материаловедения</p></bio><bio xml:lang="en"><p>Cand. Sci. (Tech.), deputy Director, Head of Laboratory of materials science</p></bio><email xlink:type="simple">sytschev@ism.ac.ru</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Институт структурной макрокинетики и проблем материаловедения им. А.Г. Мержанова РАН (ИСМАН)</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Institute of Structural Macrokinetics and Materials Science RAS (ISMAN)</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2018</year></pub-date><pub-date pub-type="epub"><day>18</day><month>06</month><year>2018</year></pub-date><volume>0</volume><issue>2</issue><fpage>61</fpage><lpage>68</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; НИТУ "МИСИС", 2018</copyright-statement><copyright-year>2018</copyright-year><copyright-holder xml:lang="ru">НИТУ "МИСИС"</copyright-holder><copyright-holder xml:lang="en">НИТУ "МИСИС"</copyright-holder><license xlink:href="https://powder.misis.ru/jour/about/submissions#copyrightNotice" xlink:type="simple"><license-p>https://powder.misis.ru/jour/about/submissions#copyrightNotice</license-p></license></permissions><self-uri xlink:href="https://powder.misis.ru/jour/article/view/368">https://powder.misis.ru/jour/article/view/368</self-uri><abstract><p>В работе исследованы структура, фазовый состав и электропроводность композиционной керамики на основе TiB2–AlN– BN, полученной методом самораспространяющегося высокотемпературного синтеза (СВС). Измерения зависимости удельного электросопротивления от температуры проводились в диапазоне Т = 300÷1300 K в вакууме 2·10–3 Па по стандартной 4-точечной методике на постоянном токе. Установлено, что с повышением содержания TiB2 в исходной смеси от 60 до 80 мас.% и снижением концентрации Al от 20 до 40 мас.% содержания TiN и ВN в продуктах синтеза увеличиваются, а TiB2 и AlN уменьшаются вследствие реагирования TiB2 с азотом. Снижение концентрации Al в исходной смеси приводит к уменьшению содержания AlN в продуктах синтеза. Полученные результаты показали несовпадение кривых электросопротивления ρ(Т) при цикле нагрев–охлаждение для всех составов керамики, что связано с изменением зоны контактов проводящих фаз в области Т = 800÷1200 К. Обнаружены три характерных температурных области: (I) от 300 до 800 К, когда значения ρ монотонно возрастают с повышением температуры, при этом кривые ρ(Т) нагрева и охлаждения полностью совпадают; (II) при Т = 800÷1200 К поведение электросопротивления меняется – его значения сильно зависят от режима термообработки образца; (III) при Т &gt; 1200 К наблюдается совпадение кривых нагрева–охлаждения.</p></abstract><trans-abstract xml:lang="en"><p>The paper studies the microstructure, phase composition, and electrical conductivity of TiB2–AlN–BN-based composite ceramics obtained by self-propagating high-temperature synthesis (SHS). Electrical resistivity dependence on temperature was measured in the range Т = 300÷1300 K in a vacuum of 2·10–3 Pa using a standard 4-point DC technique. It is found that higher TiB2 content in the initial composition (from 60 to 80 wt.%) and lower Al content (from 20 to 40 wt.%) results in increased TiN and BN content in synthesis products, and decreased TiB2 and AlN content as a result of TiB2 reaction with nitrogen. Lower Al content in the initial mixture leads to lower AlN content in synthesis products. According to the results obtained, electrical resistivity curves are inconsistent during the «heating–cooling» cycle for all ceramic compositions due to changes in the contact zone of conducting phases in the temperature range Т = 800÷1200 К. Three specific temperature ranges were identified: (I) 300 to 800 K when ρ values increase monotonically with increasing temperature, while heating and cooling ρ(Т) curves coincide completely; (II) Т = 800÷1200 К when electrical resistivity behavior varies – its values strongly depend on the sample heat treatment mode; (III) Т &gt; 1200 К, when coincidence of heating-cooling curves is observed.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>удельное электросопротивление</kwd><kwd>проводящая керамика</kwd><kwd>самораспространяющийся высокотемпературный синтез</kwd><kwd>диборид титана</kwd><kwd>нитрид алюминия</kwd></kwd-group><kwd-group xml:lang="en"><kwd>specific electrical resistivity</kwd><kwd>conductive ceramics</kwd><kwd>self-propagating high-temperature synthesis</kwd><kwd>titanium diboride</kwd><kwd>aluminum nitride</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">Weimer W. 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