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Diamond/aluminum composites processed by vacuum hot pressing: Microstructure characteristics and thermal properties
As promising thermal management materials, diamond/Al composites with 20–50vol.% diamond were fabricated by a simple powder metallurgy method called vacuum hot pressing (VHP). The microstructure characteristics and thermal properties of the composites were studied. The results reveal that no aluminu...
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Published in: | Diamond and related materials 2013-01, Vol.31, p.1-5 |
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creator | Tan, Zhanqiu Li, Zhiqiang Fan, Genlian Kai, Xizhou Ji, Gang Zhang, Lanting Zhang, Di |
description | As promising thermal management materials, diamond/Al composites with 20–50vol.% diamond were fabricated by a simple powder metallurgy method called vacuum hot pressing (VHP). The microstructure characteristics and thermal properties of the composites were studied. The results reveal that no aluminum carbide is formed at the interface and the VHP composite with 50vol.% diamond exhibits a thermal conductivity of 496W/mK, over 85% of the theoretical prediction by the differential effective medium (DEM) scheme, due to good interfacial bonding and high interface conductance. As a comparison, the composites consolidated by spark plasma sintering (SPS) exhibits lower thermal conductivity due to poor interfacial bonding. Thus, VHP is proved to be a more favorable way than SPS to fabricate diamond/Al composites with high thermal properties for heat management applications.
► A novel vacuum hot pressing process developed to consolidate diamond/Al composites. ► Compare the microstructure characteristics and thermal properties of the composites prepared by SPS and by VHP. ► Discuss the possible mechanisms of the variations of interfacial bonding and interface conductance formed by SPS and VHP. ► Enhanced thermal conductivity via improving interface conductance of the composites. |
doi_str_mv | 10.1016/j.diamond.2012.10.008 |
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► A novel vacuum hot pressing process developed to consolidate diamond/Al composites. ► Compare the microstructure characteristics and thermal properties of the composites prepared by SPS and by VHP. ► Discuss the possible mechanisms of the variations of interfacial bonding and interface conductance formed by SPS and VHP. ► Enhanced thermal conductivity via improving interface conductance of the composites.</description><identifier>ISSN: 0925-9635</identifier><identifier>EISSN: 1879-0062</identifier><identifier>DOI: 10.1016/j.diamond.2012.10.008</identifier><language>eng</language><publisher>Amsterdam: Elsevier B.V</publisher><subject>Aluminum ; Bonding ; Chemical Sciences ; Condensed Matter ; Cross-disciplinary physics: materials science; rheology ; Diamond/Al composites ; Exact sciences and technology ; Fullerenes and related materials; diamonds, graphite ; Heat transfer ; Hot pressing ; Interfacial bonding ; Material chemistry ; Materials Science ; Microstructure ; Physics ; Spark plasma sintering ; Specific materials ; Thermal conductivity ; Thermal properties ; Vacuum hot pressing</subject><ispartof>Diamond and related materials, 2013-01, Vol.31, p.1-5</ispartof><rights>2012 Elsevier B.V.</rights><rights>2014 INIST-CNRS</rights><rights>Distributed under a Creative Commons Attribution 4.0 International License</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c509t-170641d297471d9415f297eed590aa4da1da291b5edb1a2e57ea7a382b3645db3</citedby><cites>FETCH-LOGICAL-c509t-170641d297471d9415f297eed590aa4da1da291b5edb1a2e57ea7a382b3645db3</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>230,314,780,784,885,4024,27923,27924,27925</link.rule.ids><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=26851956$$DView record in Pascal Francis$$Hfree_for_read</backlink><backlink>$$Uhttps://hal.univ-lille.fr/hal-02318863$$DView record in HAL$$Hfree_for_read</backlink></links><search><creatorcontrib>Tan, Zhanqiu</creatorcontrib><creatorcontrib>Li, Zhiqiang</creatorcontrib><creatorcontrib>Fan, Genlian</creatorcontrib><creatorcontrib>Kai, Xizhou</creatorcontrib><creatorcontrib>Ji, Gang</creatorcontrib><creatorcontrib>Zhang, Lanting</creatorcontrib><creatorcontrib>Zhang, Di</creatorcontrib><title>Diamond/aluminum composites processed by vacuum hot pressing: Microstructure characteristics and thermal properties</title><title>Diamond and related materials</title><description>As promising thermal management materials, diamond/Al composites with 20–50vol.% diamond were fabricated by a simple powder metallurgy method called vacuum hot pressing (VHP). The microstructure characteristics and thermal properties of the composites were studied. The results reveal that no aluminum carbide is formed at the interface and the VHP composite with 50vol.% diamond exhibits a thermal conductivity of 496W/mK, over 85% of the theoretical prediction by the differential effective medium (DEM) scheme, due to good interfacial bonding and high interface conductance. As a comparison, the composites consolidated by spark plasma sintering (SPS) exhibits lower thermal conductivity due to poor interfacial bonding. Thus, VHP is proved to be a more favorable way than SPS to fabricate diamond/Al composites with high thermal properties for heat management applications.
► A novel vacuum hot pressing process developed to consolidate diamond/Al composites. ► Compare the microstructure characteristics and thermal properties of the composites prepared by SPS and by VHP. ► Discuss the possible mechanisms of the variations of interfacial bonding and interface conductance formed by SPS and VHP. ► Enhanced thermal conductivity via improving interface conductance of the composites.</description><subject>Aluminum</subject><subject>Bonding</subject><subject>Chemical Sciences</subject><subject>Condensed Matter</subject><subject>Cross-disciplinary physics: materials science; rheology</subject><subject>Diamond/Al composites</subject><subject>Exact sciences and technology</subject><subject>Fullerenes and related materials; diamonds, graphite</subject><subject>Heat transfer</subject><subject>Hot pressing</subject><subject>Interfacial bonding</subject><subject>Material chemistry</subject><subject>Materials Science</subject><subject>Microstructure</subject><subject>Physics</subject><subject>Spark plasma sintering</subject><subject>Specific materials</subject><subject>Thermal conductivity</subject><subject>Thermal properties</subject><subject>Vacuum hot pressing</subject><issn>0925-9635</issn><issn>1879-0062</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2013</creationdate><recordtype>article</recordtype><recordid>eNqFkU9v1DAQxSMEUpfCR6iUCxIcsvU4sZNwQVVpKdIiLnC2JvYs61X-LB5npX57HGXVKydbb37zZuyXZTcgtiBA3x63zuMwjW4rBcikbYVoXmUbaOq2EELL19lGtFIVrS7VVfaW-SgS2Fawyfjr2nqL_Tz4cR5yOw2niX0kzk9hssRMLu-e8zPaOZUPU0x6Uv3453P-w9swcQyzjXOg3B4woI0UPEdvOcfR5fFAYcB-MTtRiJ74XfZmjz3T-8t5nf1-fPh1_1Tsfn77fn-3K6wSbSygFroCJ9u6qsGlbdU-3YmcagVi5RAcyhY6Ra4DlKRqwhrLRnalrpTryuvs0-p7wN6cgh8wPJsJvXm625lFE7KEptHlGRL7cWXTmn9n4mgGz5b6HkeaZjZQagWgG60TqlZ0eToH2r94gzBLIOZoLoGYJZBFToGkvg-XEcgW-33A0Xp-aZa6UdCqxf_LylH6m7OnYNh6Gi05H8hG4yb_n0n_AOPypeo</recordid><startdate>201301</startdate><enddate>201301</enddate><creator>Tan, Zhanqiu</creator><creator>Li, Zhiqiang</creator><creator>Fan, Genlian</creator><creator>Kai, Xizhou</creator><creator>Ji, Gang</creator><creator>Zhang, Lanting</creator><creator>Zhang, Di</creator><general>Elsevier B.V</general><general>Elsevier</general><scope>IQODW</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7QF</scope><scope>7SR</scope><scope>8BQ</scope><scope>8FD</scope><scope>JG9</scope><scope>1XC</scope></search><sort><creationdate>201301</creationdate><title>Diamond/aluminum composites processed by vacuum hot pressing: Microstructure characteristics and thermal properties</title><author>Tan, Zhanqiu ; Li, Zhiqiang ; Fan, Genlian ; Kai, Xizhou ; Ji, Gang ; Zhang, Lanting ; Zhang, Di</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c509t-170641d297471d9415f297eed590aa4da1da291b5edb1a2e57ea7a382b3645db3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2013</creationdate><topic>Aluminum</topic><topic>Bonding</topic><topic>Chemical Sciences</topic><topic>Condensed Matter</topic><topic>Cross-disciplinary physics: materials science; rheology</topic><topic>Diamond/Al composites</topic><topic>Exact sciences and technology</topic><topic>Fullerenes and related materials; diamonds, graphite</topic><topic>Heat transfer</topic><topic>Hot pressing</topic><topic>Interfacial bonding</topic><topic>Material chemistry</topic><topic>Materials Science</topic><topic>Microstructure</topic><topic>Physics</topic><topic>Spark plasma sintering</topic><topic>Specific materials</topic><topic>Thermal conductivity</topic><topic>Thermal properties</topic><topic>Vacuum hot pressing</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Tan, Zhanqiu</creatorcontrib><creatorcontrib>Li, Zhiqiang</creatorcontrib><creatorcontrib>Fan, Genlian</creatorcontrib><creatorcontrib>Kai, Xizhou</creatorcontrib><creatorcontrib>Ji, Gang</creatorcontrib><creatorcontrib>Zhang, Lanting</creatorcontrib><creatorcontrib>Zhang, Di</creatorcontrib><collection>Pascal-Francis</collection><collection>CrossRef</collection><collection>Aluminium Industry Abstracts</collection><collection>Engineered Materials Abstracts</collection><collection>METADEX</collection><collection>Technology Research Database</collection><collection>Materials Research Database</collection><collection>Hyper Article en Ligne (HAL)</collection><jtitle>Diamond and related materials</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Tan, Zhanqiu</au><au>Li, Zhiqiang</au><au>Fan, Genlian</au><au>Kai, Xizhou</au><au>Ji, Gang</au><au>Zhang, Lanting</au><au>Zhang, Di</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Diamond/aluminum composites processed by vacuum hot pressing: Microstructure characteristics and thermal properties</atitle><jtitle>Diamond and related materials</jtitle><date>2013-01</date><risdate>2013</risdate><volume>31</volume><spage>1</spage><epage>5</epage><pages>1-5</pages><issn>0925-9635</issn><eissn>1879-0062</eissn><abstract>As promising thermal management materials, diamond/Al composites with 20–50vol.% diamond were fabricated by a simple powder metallurgy method called vacuum hot pressing (VHP). The microstructure characteristics and thermal properties of the composites were studied. The results reveal that no aluminum carbide is formed at the interface and the VHP composite with 50vol.% diamond exhibits a thermal conductivity of 496W/mK, over 85% of the theoretical prediction by the differential effective medium (DEM) scheme, due to good interfacial bonding and high interface conductance. As a comparison, the composites consolidated by spark plasma sintering (SPS) exhibits lower thermal conductivity due to poor interfacial bonding. Thus, VHP is proved to be a more favorable way than SPS to fabricate diamond/Al composites with high thermal properties for heat management applications.
► A novel vacuum hot pressing process developed to consolidate diamond/Al composites. ► Compare the microstructure characteristics and thermal properties of the composites prepared by SPS and by VHP. ► Discuss the possible mechanisms of the variations of interfacial bonding and interface conductance formed by SPS and VHP. ► Enhanced thermal conductivity via improving interface conductance of the composites.</abstract><cop>Amsterdam</cop><pub>Elsevier B.V</pub><doi>10.1016/j.diamond.2012.10.008</doi><tpages>5</tpages></addata></record> |
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subjects | Aluminum Bonding Chemical Sciences Condensed Matter Cross-disciplinary physics: materials science rheology Diamond/Al composites Exact sciences and technology Fullerenes and related materials diamonds, graphite Heat transfer Hot pressing Interfacial bonding Material chemistry Materials Science Microstructure Physics Spark plasma sintering Specific materials Thermal conductivity Thermal properties Vacuum hot pressing |
title | Diamond/aluminum composites processed by vacuum hot pressing: Microstructure characteristics and thermal properties |
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