Analysis of the Power Density at the Onset of Flash Sintering
The large bank of data for ceramics from experiments in flash sintering reveal a surprising characteristic: that the transition to a highly nonlinear rise in electrical conductivity—a signature event for the onset of the flash—occurs within a narrow range of power density. This condition holds for c...
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| Veröffentlicht in: | Journal of the American Ceramic Society 2016-10, Vol.99 (10), p.3226-3232 |
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| creator | Raj, Rishi |
| description | The large bank of data for ceramics from experiments in flash sintering reveal a surprising characteristic: that the transition to a highly nonlinear rise in electrical conductivity—a signature event for the onset of the flash—occurs within a narrow range of power density. This condition holds for ceramics that are semiconductors, ionic conductors, electronic conductors, and insulators.They flash at temperatures that range from 300°C to 1300°C, and at electric fields from 10 V/cm to over 1000 V/cm. Yet, the power expenditure at the transition for all of them still falls within this narrow range. This, rather uniform value of power dissipation suggests that Joule heating is a key factor in instigating the flash. A general formulation is developed to test if indeed Joule heating alone can lead to the progression of such nonlinear behavior. It is concluded that Joule heating is a necessary but not a sufficient condition for flash sintering. |
| doi_str_mv | 10.1111/jace.14178 |
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This condition holds for ceramics that are semiconductors, ionic conductors, electronic conductors, and insulators.They flash at temperatures that range from 300°C to 1300°C, and at electric fields from 10 V/cm to over 1000 V/cm. Yet, the power expenditure at the transition for all of them still falls within this narrow range. This, rather uniform value of power dissipation suggests that Joule heating is a key factor in instigating the flash. A general formulation is developed to test if indeed Joule heating alone can lead to the progression of such nonlinear behavior. It is concluded that Joule heating is a necessary but not a sufficient condition for flash sintering.</description><identifier>ISSN: 0002-7820</identifier><identifier>EISSN: 1551-2916</identifier><identifier>DOI: 10.1111/jace.14178</identifier><identifier>CODEN: JACTAW</identifier><language>eng</language><publisher>Columbus: Blackwell Publishing Ltd</publisher><subject>Ceramics ; Conductivity ; Conductors ; Density ; Dissipation factor ; Electric fields ; Electrical resistivity ; Energy density ; Expenditures ; Heating ; Insulators ; Joule heating ; Magnetic fields ; Materials Science ; Nonlinearity ; Ohmic dissipation ; Resistance sintering ; Semiconductors ; Sintering</subject><ispartof>Journal of the American Ceramic Society, 2016-10, Vol.99 (10), p.3226-3232</ispartof><rights>2016 The American Ceramic Society</rights><rights>2016 American Ceramic Society</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c4938-7588e058bc8d265c8fa39b3ab37a5c03d2dbf39b3bfd2e5b0b655c530550e89a3</citedby><cites>FETCH-LOGICAL-c4938-7588e058bc8d265c8fa39b3ab37a5c03d2dbf39b3bfd2e5b0b655c530550e89a3</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://onlinelibrary.wiley.com/doi/pdf/10.1111%2Fjace.14178$$EPDF$$P50$$Gwiley$$H</linktopdf><linktohtml>$$Uhttps://onlinelibrary.wiley.com/doi/full/10.1111%2Fjace.14178$$EHTML$$P50$$Gwiley$$H</linktohtml><link.rule.ids>230,314,776,780,881,1411,27901,27902,45550,45551</link.rule.ids><backlink>$$Uhttps://www.osti.gov/biblio/1536745$$D View this record in Osti.gov$$Hfree_for_read</backlink></links><search><contributor>Chan, H.</contributor><creatorcontrib>Raj, Rishi</creatorcontrib><creatorcontrib>Univ. of Colorado, Boulder, CO (United States)</creatorcontrib><title>Analysis of the Power Density at the Onset of Flash Sintering</title><title>Journal of the American Ceramic Society</title><addtitle>J. Am. Ceram. Soc</addtitle><description>The large bank of data for ceramics from experiments in flash sintering reveal a surprising characteristic: that the transition to a highly nonlinear rise in electrical conductivity—a signature event for the onset of the flash—occurs within a narrow range of power density. This condition holds for ceramics that are semiconductors, ionic conductors, electronic conductors, and insulators.They flash at temperatures that range from 300°C to 1300°C, and at electric fields from 10 V/cm to over 1000 V/cm. Yet, the power expenditure at the transition for all of them still falls within this narrow range. This, rather uniform value of power dissipation suggests that Joule heating is a key factor in instigating the flash. A general formulation is developed to test if indeed Joule heating alone can lead to the progression of such nonlinear behavior. It is concluded that Joule heating is a necessary but not a sufficient condition for flash sintering.</description><subject>Ceramics</subject><subject>Conductivity</subject><subject>Conductors</subject><subject>Density</subject><subject>Dissipation factor</subject><subject>Electric fields</subject><subject>Electrical resistivity</subject><subject>Energy density</subject><subject>Expenditures</subject><subject>Heating</subject><subject>Insulators</subject><subject>Joule heating</subject><subject>Magnetic fields</subject><subject>Materials Science</subject><subject>Nonlinearity</subject><subject>Ohmic dissipation</subject><subject>Resistance sintering</subject><subject>Semiconductors</subject><subject>Sintering</subject><issn>0002-7820</issn><issn>1551-2916</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2016</creationdate><recordtype>article</recordtype><recordid>eNp90c1O3DAUBWCrKlKn0E2fICqbqlLAP7m2s-hiNIUBhKBSW013luO5YTyEBGyPYN6ehAALFnhj-eo7XtxDyFdGD1h_DtfW4QErmNIfyIQBsJyXTH4kE0opz5Xm9BP5HOO6f7JSFxPyc9raZht9zLo6SyvMfnf3GLJf2EaftplNT8PLNmIaxHFj4yr749uEwbdXe2Sntk3EL8_3Lvl3fPR3dpKfX85PZ9Pz3BWl0LkCrZGCrpxecglO11aUlbCVUBYcFUu-rOphUtVLjlDRSgI4EBSAoi6t2CXfxn-7mLyJzid0K9e1LbpkGAipCujR9xHdhu5ugzGZGx8dNo1tsdtEw7QumGAlDHT_DV13m9Bvolf9vpighSzfVVpKrjhQ3qsfo3KhizFgbW6Dv7Fhaxg1QylmKMU8ldJjNuJ73-D2HWnOprOjl0w-ZnxM-PCaseHaSCUUmMXF3KgzupDz_ydmIR4B01aaLg</recordid><startdate>201610</startdate><enddate>201610</enddate><creator>Raj, Rishi</creator><general>Blackwell Publishing Ltd</general><general>Wiley Subscription Services, Inc</general><general>American Ceramic Society</general><scope>BSCLL</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7QQ</scope><scope>7SR</scope><scope>8FD</scope><scope>JG9</scope><scope>OTOTI</scope></search><sort><creationdate>201610</creationdate><title>Analysis of the Power Density at the Onset of Flash Sintering</title><author>Raj, Rishi</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c4938-7588e058bc8d265c8fa39b3ab37a5c03d2dbf39b3bfd2e5b0b655c530550e89a3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2016</creationdate><topic>Ceramics</topic><topic>Conductivity</topic><topic>Conductors</topic><topic>Density</topic><topic>Dissipation factor</topic><topic>Electric fields</topic><topic>Electrical resistivity</topic><topic>Energy density</topic><topic>Expenditures</topic><topic>Heating</topic><topic>Insulators</topic><topic>Joule heating</topic><topic>Magnetic fields</topic><topic>Materials Science</topic><topic>Nonlinearity</topic><topic>Ohmic dissipation</topic><topic>Resistance sintering</topic><topic>Semiconductors</topic><topic>Sintering</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Raj, Rishi</creatorcontrib><creatorcontrib>Univ. of Colorado, Boulder, CO (United States)</creatorcontrib><collection>Istex</collection><collection>CrossRef</collection><collection>Ceramic Abstracts</collection><collection>Engineered Materials Abstracts</collection><collection>Technology Research Database</collection><collection>Materials Research Database</collection><collection>OSTI.GOV</collection><jtitle>Journal of the American Ceramic Society</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Raj, Rishi</au><au>Chan, H.</au><aucorp>Univ. of Colorado, Boulder, CO (United States)</aucorp><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Analysis of the Power Density at the Onset of Flash Sintering</atitle><jtitle>Journal of the American Ceramic Society</jtitle><addtitle>J. Am. Ceram. Soc</addtitle><date>2016-10</date><risdate>2016</risdate><volume>99</volume><issue>10</issue><spage>3226</spage><epage>3232</epage><pages>3226-3232</pages><issn>0002-7820</issn><eissn>1551-2916</eissn><coden>JACTAW</coden><abstract>The large bank of data for ceramics from experiments in flash sintering reveal a surprising characteristic: that the transition to a highly nonlinear rise in electrical conductivity—a signature event for the onset of the flash—occurs within a narrow range of power density. This condition holds for ceramics that are semiconductors, ionic conductors, electronic conductors, and insulators.They flash at temperatures that range from 300°C to 1300°C, and at electric fields from 10 V/cm to over 1000 V/cm. Yet, the power expenditure at the transition for all of them still falls within this narrow range. This, rather uniform value of power dissipation suggests that Joule heating is a key factor in instigating the flash. A general formulation is developed to test if indeed Joule heating alone can lead to the progression of such nonlinear behavior. It is concluded that Joule heating is a necessary but not a sufficient condition for flash sintering.</abstract><cop>Columbus</cop><pub>Blackwell Publishing Ltd</pub><doi>10.1111/jace.14178</doi><tpages>7</tpages></addata></record> |
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| language | eng |
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| source | Wiley Online Library Journals Frontfile Complete |
| subjects | Ceramics Conductivity Conductors Density Dissipation factor Electric fields Electrical resistivity Energy density Expenditures Heating Insulators Joule heating Magnetic fields Materials Science Nonlinearity Ohmic dissipation Resistance sintering Semiconductors Sintering |
| title | Analysis of the Power Density at the Onset of Flash Sintering |
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