Structural and chemical stability of multiwall carbon nanotubes in sintered ceramic nanocomposite

Abstract The structural and chemical stability of multiwall carbon nanotubes (MWNTs) in ceramic nanocomposites prepared by spark plasma sintering was studied. High resolution electron microscopy, X-ray diffraction and Raman spectroscopy were used to evaluate any degradation of the MWNTs. They were f...

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Veröffentlicht in:Advances in applied ceramics 2010-04, Vol.109 (4), p.240-247
Hauptverfasser: Inam, F, Yan, H, Reece, M J, Peijs, T
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creator Inam, F
Yan, H
Reece, M J
Peijs, T
description Abstract The structural and chemical stability of multiwall carbon nanotubes (MWNTs) in ceramic nanocomposites prepared by spark plasma sintering was studied. High resolution electron microscopy, X-ray diffraction and Raman spectroscopy were used to evaluate any degradation of the MWNTs. They were found to be well preserved in alumina after sintering up to 1900°C/100 MPa/3 min. In boron carbide, structural degradation of MWNTs started from ∼1600°C when sintered for 20 min. Multiwall carbon nanotubes maintained their high aspect ratio and fibrous nature even after being sintered in boron carbide at 2000°C for 20 min. However, no Raman vibrations of MWNTs were observed for nanocomposites processed at temperatures 1600°C) and longer processing times (>13 min).
doi_str_mv 10.1179/174367509X12595778633336
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High resolution electron microscopy, X-ray diffraction and Raman spectroscopy were used to evaluate any degradation of the MWNTs. They were found to be well preserved in alumina after sintering up to 1900°C/100 MPa/3 min. In boron carbide, structural degradation of MWNTs started from ∼1600°C when sintered for 20 min. Multiwall carbon nanotubes maintained their high aspect ratio and fibrous nature even after being sintered in boron carbide at 2000°C for 20 min. However, no Raman vibrations of MWNTs were observed for nanocomposites processed at temperatures &lt;2000°C, which indicates that they were severely degraded. Structural preservation of MWNTs in ceramic nanocomposites depends on the ceramic matrix, sintering temperature and dwell time. 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Multiwall carbon nanotubes were not preserved for matrices that require high sintering temperatures (&gt;1600°C) and longer processing times (&gt;13 min).</description><subject>Carbon nanotubes</subject><subject>Ceramic nanocomposite</subject><subject>Ceramics</subject><subject>Corrosion resistance</subject><subject>Degradation</subject><subject>Multi wall carbon nanotubes</subject><subject>Nanocomposites</subject><subject>Nanomaterials</subject><subject>Nanostructure</subject><subject>Sintering</subject><subject>Spark plasma sintering</subject><issn>1743-6753</issn><issn>1743-6761</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2010</creationdate><recordtype>article</recordtype><recordid>eNqNkEtLAzEQgBdRsD7-Q45eqslm89ijFF9Q8KCCt5CdzWpKNqlJltJ_b2rFm-hcZob5voGZqkIEXxIi2isiGsoFw-0rqVnLhJCcluAH1Ww3mnPByeFPzehxdZLSCmNayGZW6accJ8hT1A5p3yN4N6OF0qSsO-ts3qIwoHFy2W60cwh07IJHXvuQp84kZD1K1mcTTZFN1MX-mkIY1yHZbM6qo0G7ZM6_82n1cnvzvLifLx_vHhbXyznQVua55MRIJjvSyZbVlLQAmGHBsZQcBIFG1obxrmH1AMB6gGYYekwK2NWksPS0utjvXcfwMZmU1WgTGOe0N2FKinBBaI3bmhdU7lGIIaVoBrWOdtRxqwhWu6-q375aVLZXk34zahWm6MtR__EWe8_6IcRRb0J0vcp660IcovZgk6J_bvkEQuyPpw</recordid><startdate>20100401</startdate><enddate>20100401</enddate><creator>Inam, F</creator><creator>Yan, H</creator><creator>Reece, M J</creator><creator>Peijs, T</creator><general>Taylor &amp; Francis</general><general>SAGE Publications</general><scope>AAYXX</scope><scope>CITATION</scope><scope>7QF</scope><scope>7QQ</scope><scope>7SE</scope><scope>7SR</scope><scope>7TB</scope><scope>7U5</scope><scope>8FD</scope><scope>F28</scope><scope>FR3</scope><scope>JG9</scope><scope>L7M</scope></search><sort><creationdate>20100401</creationdate><title>Structural and chemical stability of multiwall carbon nanotubes in sintered ceramic nanocomposite</title><author>Inam, F ; Yan, H ; Reece, M J ; Peijs, T</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c398t-861e858b1b8952319cc050760886c71c482e56b452fcc5dcc4ffd01319b21cc03</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2010</creationdate><topic>Carbon nanotubes</topic><topic>Ceramic nanocomposite</topic><topic>Ceramics</topic><topic>Corrosion resistance</topic><topic>Degradation</topic><topic>Multi wall carbon nanotubes</topic><topic>Nanocomposites</topic><topic>Nanomaterials</topic><topic>Nanostructure</topic><topic>Sintering</topic><topic>Spark plasma sintering</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Inam, F</creatorcontrib><creatorcontrib>Yan, H</creatorcontrib><creatorcontrib>Reece, M J</creatorcontrib><creatorcontrib>Peijs, T</creatorcontrib><collection>CrossRef</collection><collection>Aluminium Industry Abstracts</collection><collection>Ceramic Abstracts</collection><collection>Corrosion Abstracts</collection><collection>Engineered Materials Abstracts</collection><collection>Mechanical &amp; Transportation Engineering Abstracts</collection><collection>Solid State and Superconductivity Abstracts</collection><collection>Technology Research Database</collection><collection>ANTE: Abstracts in New Technology &amp; Engineering</collection><collection>Engineering Research Database</collection><collection>Materials Research Database</collection><collection>Advanced Technologies Database with Aerospace</collection><jtitle>Advances in applied ceramics</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Inam, F</au><au>Yan, H</au><au>Reece, M J</au><au>Peijs, T</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Structural and chemical stability of multiwall carbon nanotubes in sintered ceramic nanocomposite</atitle><jtitle>Advances in applied ceramics</jtitle><date>2010-04-01</date><risdate>2010</risdate><volume>109</volume><issue>4</issue><spage>240</spage><epage>247</epage><pages>240-247</pages><issn>1743-6753</issn><eissn>1743-6761</eissn><abstract>Abstract The structural and chemical stability of multiwall carbon nanotubes (MWNTs) in ceramic nanocomposites prepared by spark plasma sintering was studied. High resolution electron microscopy, X-ray diffraction and Raman spectroscopy were used to evaluate any degradation of the MWNTs. They were found to be well preserved in alumina after sintering up to 1900°C/100 MPa/3 min. In boron carbide, structural degradation of MWNTs started from ∼1600°C when sintered for 20 min. Multiwall carbon nanotubes maintained their high aspect ratio and fibrous nature even after being sintered in boron carbide at 2000°C for 20 min. However, no Raman vibrations of MWNTs were observed for nanocomposites processed at temperatures &lt;2000°C, which indicates that they were severely degraded. Structural preservation of MWNTs in ceramic nanocomposites depends on the ceramic matrix, sintering temperature and dwell time. 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subjects Carbon nanotubes
Ceramic nanocomposite
Ceramics
Corrosion resistance
Degradation
Multi wall carbon nanotubes
Nanocomposites
Nanomaterials
Nanostructure
Sintering
Spark plasma sintering
title Structural and chemical stability of multiwall carbon nanotubes in sintered ceramic nanocomposite
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