Electric field effect on chemical and phase equilibria in nano-TiB2–TiO2–TiBO3 system at <650 °C: an in situ time-resolved energy dispersive x-ray diffraction study with an ultrahigh energy synchrotron probe
Nano-TiB2 powder of 58 nm size with TiO2 and TiBO3 as secondary phases was heated with 20 °C to 1% TiB2 unit cell expansion, exceeding zero field thermally induced expansion. The current bursts also induced nonisothermal reaction between TiB2 and TiO2, yielding TiBO3 that is absent with no field. In...
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| Veröffentlicht in: | Journal of materials research 2017-01, Vol.32 (2), p.482-494 |
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| creator | Özdemir, Tevfik E. Akdoğan, Enver Koray Şavklıyıldız, İlyas Biçer, Hülya Örnek, Metin Zhong, Zhong Tsakalakos, Thomas |
| description | Nano-TiB2 powder of 58 nm size with TiO2 and TiBO3 as secondary phases was heated with 20 °C to 1% TiB2 unit cell expansion, exceeding zero field thermally induced expansion. The current bursts also induced nonisothermal reaction between TiB2 and TiO2, yielding TiBO3 that is absent with no field. Increase from 16 to 40 V/cm shifts the TiB2 → TiBO3 reaction forward, decreases T
onset but increases reaction rate. Analysis using Van’t Hoff relation, including electrochemical effects, precluded possibility of appreciable Joule heating, which was supported with adiabatic internal temperature calculations. The observed low temperature oxidation of TiB2 to TiBO3 that is electrochemically driven and is mediated by the TiO2 solid electrolyte. |
| doi_str_mv | 10.1557/jmr.2016.466 |
| format | Article |
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onset) for 16 and 40 V/cm, respectively, at which point current bursts of 4.5 and 10.0 A (peak value) were observed. Current bursts were accompanied by >1% TiB2 unit cell expansion, exceeding zero field thermally induced expansion. The current bursts also induced nonisothermal reaction between TiB2 and TiO2, yielding TiBO3 that is absent with no field. Increase from 16 to 40 V/cm shifts the TiB2 → TiBO3 reaction forward, decreases T
onset but increases reaction rate. Analysis using Van’t Hoff relation, including electrochemical effects, precluded possibility of appreciable Joule heating, which was supported with adiabatic internal temperature calculations. The observed low temperature oxidation of TiB2 to TiBO3 that is electrochemically driven and is mediated by the TiO2 solid electrolyte.</description><identifier>ISSN: 0884-2914</identifier><identifier>EISSN: 2044-5326</identifier><identifier>DOI: 10.1557/jmr.2016.466</identifier><identifier>CODEN: JMREEE</identifier><language>eng</language><publisher>New York, USA: Cambridge University Press</publisher><subject>Aluminum ; Applied and Technical Physics ; Biomaterials ; Ceramics ; Electric fields ; Equilibrium ; Grain boundaries ; Grain growth ; High temperature ; Hot pressing ; Inorganic Chemistry ; Laboratories ; Materials Engineering ; Materials research ; MATERIALS SCIENCE ; Nanotechnology ; Oxidation ; phase transformation ; Radiation ; Sintering</subject><ispartof>Journal of materials research, 2017-01, Vol.32 (2), p.482-494</ispartof><rights>Copyright © Materials Research Society 2016</rights><rights>The Materials Research Society 2016</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><cites>FETCH-LOGICAL-c2396-44920e20803b8825a601f55077487770b9aea28e379563ef7f838d3328d6f7633</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://link.springer.com/content/pdf/10.1557/jmr.2016.466$$EPDF$$P50$$Gspringer$$H</linktopdf><linktohtml>$$Uhttps://www.cambridge.org/core/product/identifier/S0884291416004660/type/journal_article$$EHTML$$P50$$Gcambridge$$H</linktohtml><link.rule.ids>164,230,315,781,785,886,27929,27930,41493,42562,51324,55633</link.rule.ids><backlink>$$Uhttps://www.osti.gov/servlets/purl/1413927$$D View this record in Osti.gov$$Hfree_for_read</backlink></links><search><creatorcontrib>Özdemir, Tevfik E.</creatorcontrib><creatorcontrib>Akdoğan, Enver Koray</creatorcontrib><creatorcontrib>Şavklıyıldız, İlyas</creatorcontrib><creatorcontrib>Biçer, Hülya</creatorcontrib><creatorcontrib>Örnek, Metin</creatorcontrib><creatorcontrib>Zhong, Zhong</creatorcontrib><creatorcontrib>Tsakalakos, Thomas</creatorcontrib><creatorcontrib>Brookhaven National Laboratory (BNL), Upton, NY (United States)</creatorcontrib><title>Electric field effect on chemical and phase equilibria in nano-TiB2–TiO2–TiBO3 system at <650 °C: an in situ time-resolved energy dispersive x-ray diffraction study with an ultrahigh energy synchrotron probe</title><title>Journal of materials research</title><addtitle>Journal of Materials Research</addtitle><addtitle>J. Mater. Res</addtitle><description>Nano-TiB2 powder of 58 nm size with TiO2 and TiBO3 as secondary phases was heated with 20 °C to <650 °C in argon while applying an electric field. The powder became conductive at 520 and 305 °C (T
onset) for 16 and 40 V/cm, respectively, at which point current bursts of 4.5 and 10.0 A (peak value) were observed. Current bursts were accompanied by >1% TiB2 unit cell expansion, exceeding zero field thermally induced expansion. The current bursts also induced nonisothermal reaction between TiB2 and TiO2, yielding TiBO3 that is absent with no field. Increase from 16 to 40 V/cm shifts the TiB2 → TiBO3 reaction forward, decreases T
onset but increases reaction rate. Analysis using Van’t Hoff relation, including electrochemical effects, precluded possibility of appreciable Joule heating, which was supported with adiabatic internal temperature calculations. The observed low temperature oxidation of TiB2 to TiBO3 that is electrochemically driven and is mediated by the TiO2 solid electrolyte.</description><subject>Aluminum</subject><subject>Applied and Technical Physics</subject><subject>Biomaterials</subject><subject>Ceramics</subject><subject>Electric fields</subject><subject>Equilibrium</subject><subject>Grain boundaries</subject><subject>Grain growth</subject><subject>High temperature</subject><subject>Hot pressing</subject><subject>Inorganic Chemistry</subject><subject>Laboratories</subject><subject>Materials Engineering</subject><subject>Materials research</subject><subject>MATERIALS SCIENCE</subject><subject>Nanotechnology</subject><subject>Oxidation</subject><subject>phase transformation</subject><subject>Radiation</subject><subject>Sintering</subject><issn>0884-2914</issn><issn>2044-5326</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2017</creationdate><recordtype>article</recordtype><sourceid>ABUWG</sourceid><sourceid>AFKRA</sourceid><sourceid>BENPR</sourceid><sourceid>CCPQU</sourceid><sourceid>DWQXO</sourceid><recordid>eNqFkU2O1DAQhSMEEs0MOw5gwTqN4_8gNkxrYJBG6k2zjtxOueNW4vTYzkDvuAMX4QycgRPMScZRQGLHqlTW956f6hXFqwqvK87l2-MQ1gRXYs2EeFKsCGas5JSIp8UKK8VKUlfsefEixiPGFceSrYrf1z2YFJxB1kHfIrA272j0yHQwOKN7pH2LTp2OgOBucr3bB6eR88hrP5Y7d0Uevv_Yue0yrrYUxXNMMCCd0HvBMfr1c_Mum8yS6NKEkhugDBDH_h7yhx7C4YxaF08QorsH9K0Men6wNmiTXI4S09Se0VeXutln6lPQnTt0f7Xx7E0XxhQyegrjHi6LZ1b3EV7-mRfFl4_Xu81Nebv99Hnz4bY0hNaiZKwmGAhWmO6VIlwLXFme7yKZklLifa1BEwVU1lxQsNIqqlpKiWqFlYLSi-L14jvG5JpoXALTmdH7fMKmYhWticzQmwXK0e4miKk5jlPwOVdTKclxTTHnmSoXKp6C8wcI_1C4mdttcrvN3G6T2838euGNHnIh7QH-I3gEO1qqtQ</recordid><startdate>20170127</startdate><enddate>20170127</enddate><creator>Özdemir, Tevfik E.</creator><creator>Akdoğan, Enver Koray</creator><creator>Şavklıyıldız, İlyas</creator><creator>Biçer, Hülya</creator><creator>Örnek, Metin</creator><creator>Zhong, Zhong</creator><creator>Tsakalakos, Thomas</creator><general>Cambridge University Press</general><general>Springer International Publishing</general><general>Springer Nature B.V</general><general>Materials Research Society</general><scope>0U~</scope><scope>1-H</scope><scope>3V.</scope><scope>7SR</scope><scope>7WY</scope><scope>7WZ</scope><scope>7XB</scope><scope>87Z</scope><scope>8BQ</scope><scope>8FD</scope><scope>8FE</scope><scope>8FG</scope><scope>8FK</scope><scope>8FL</scope><scope>ABJCF</scope><scope>ABUWG</scope><scope>AFKRA</scope><scope>BENPR</scope><scope>BEZIV</scope><scope>BGLVJ</scope><scope>CCPQU</scope><scope>D1I</scope><scope>DWQXO</scope><scope>FRNLG</scope><scope>F~G</scope><scope>HCIFZ</scope><scope>JG9</scope><scope>K60</scope><scope>K6~</scope><scope>KB.</scope><scope>L.-</scope><scope>L.0</scope><scope>M0C</scope><scope>PDBOC</scope><scope>PQBIZ</scope><scope>PQBZA</scope><scope>PQEST</scope><scope>PQQKQ</scope><scope>PQUKI</scope><scope>Q9U</scope><scope>S0W</scope><scope>OIOZB</scope><scope>OTOTI</scope></search><sort><creationdate>20170127</creationdate><title>Electric field effect on chemical and phase equilibria in nano-TiB2–TiO2–TiBO3 system at <650 °C: an in situ time-resolved energy dispersive x-ray diffraction study with an ultrahigh energy synchrotron probe</title><author>Özdemir, Tevfik E. ; 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Mater. Res</addtitle><date>2017-01-27</date><risdate>2017</risdate><volume>32</volume><issue>2</issue><spage>482</spage><epage>494</epage><pages>482-494</pages><issn>0884-2914</issn><eissn>2044-5326</eissn><coden>JMREEE</coden><abstract>Nano-TiB2 powder of 58 nm size with TiO2 and TiBO3 as secondary phases was heated with 20 °C to <650 °C in argon while applying an electric field. The powder became conductive at 520 and 305 °C (T
onset) for 16 and 40 V/cm, respectively, at which point current bursts of 4.5 and 10.0 A (peak value) were observed. Current bursts were accompanied by >1% TiB2 unit cell expansion, exceeding zero field thermally induced expansion. The current bursts also induced nonisothermal reaction between TiB2 and TiO2, yielding TiBO3 that is absent with no field. Increase from 16 to 40 V/cm shifts the TiB2 → TiBO3 reaction forward, decreases T
onset but increases reaction rate. Analysis using Van’t Hoff relation, including electrochemical effects, precluded possibility of appreciable Joule heating, which was supported with adiabatic internal temperature calculations. The observed low temperature oxidation of TiB2 to TiBO3 that is electrochemically driven and is mediated by the TiO2 solid electrolyte.</abstract><cop>New York, USA</cop><pub>Cambridge University Press</pub><doi>10.1557/jmr.2016.466</doi><tpages>13</tpages><oa>free_for_read</oa></addata></record> |
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| subjects | Aluminum Applied and Technical Physics Biomaterials Ceramics Electric fields Equilibrium Grain boundaries Grain growth High temperature Hot pressing Inorganic Chemistry Laboratories Materials Engineering Materials research MATERIALS SCIENCE Nanotechnology Oxidation phase transformation Radiation Sintering |
| title | Electric field effect on chemical and phase equilibria in nano-TiB2–TiO2–TiBO3 system at <650 °C: an in situ time-resolved energy dispersive x-ray diffraction study with an ultrahigh energy synchrotron probe |
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