Improved Oxidation Resistance of Zirconium Diboride by Tungsten Carbide Additions
The effect of tungsten carbide (WC) additions on the oxidation resistance of zirconium diboride (ZrB2) was studied. Zirconium diboride ceramics, nominally pure and with the addition of 4 mol% WC, were densified by pressureless sintering. During densification, the WC that was added to the ceramic dis...
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| Veröffentlicht in: | Journal of the American Ceramic Society 2008-11, Vol.91 (11), p.3530-3535 |
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| container_title | Journal of the American Ceramic Society |
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| creator | Zhang, Shi C. Hilmas, Greg E. Fahrenholtz, William G. |
| description | The effect of tungsten carbide (WC) additions on the oxidation resistance of zirconium diboride (ZrB2) was studied. Zirconium diboride ceramics, nominally pure and with the addition of 4 mol% WC, were densified by pressureless sintering. During densification, the WC that was added to the ceramic dissolved into the ZrB2 matrix, forming a solid solution. Oxidation behavior was evaluated using thermal gravimetric analysis up to 1500°C and isothermal furnace oxidation at 1500° and 1600°C. The WC additions reduced both the weight gain and the oxide scale thickness. After oxidation at 1600°C for 3 h, the mass gain decreased from 22 mg/cm2 for nominally pure ZrB2 to 8 mg/cm2 for the WC‐containing ceramic. Analysis showed that the WC additions improved the oxidation resistance of ZrB2 by promoting densification of the zirconia scale formed during oxidation through liquid‐phase sintering. |
| doi_str_mv | 10.1111/j.1551-2916.2008.02713.x |
| format | Article |
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Zirconium diboride ceramics, nominally pure and with the addition of 4 mol% WC, were densified by pressureless sintering. During densification, the WC that was added to the ceramic dissolved into the ZrB2 matrix, forming a solid solution. Oxidation behavior was evaluated using thermal gravimetric analysis up to 1500°C and isothermal furnace oxidation at 1500° and 1600°C. The WC additions reduced both the weight gain and the oxide scale thickness. After oxidation at 1600°C for 3 h, the mass gain decreased from 22 mg/cm2 for nominally pure ZrB2 to 8 mg/cm2 for the WC‐containing ceramic. Analysis showed that the WC additions improved the oxidation resistance of ZrB2 by promoting densification of the zirconia scale formed during oxidation through liquid‐phase sintering.</description><identifier>ISSN: 0002-7820</identifier><identifier>EISSN: 1551-2916</identifier><identifier>DOI: 10.1111/j.1551-2916.2008.02713.x</identifier><identifier>CODEN: JACTAW</identifier><language>eng</language><publisher>Malden, USA: Blackwell Publishing Inc</publisher><subject>Applied sciences ; Building materials. Ceramics. Glasses ; Ceramic industries ; Ceramics ; Chemical industry and chemicals ; Exact sciences and technology ; Liquid phase sintering ; Magnesium ; Oxidation ; Oxidation resistance ; Scale (corrosion) ; Structural ceramics ; Technical ceramics ; Tungsten carbide ; Zirconium</subject><ispartof>Journal of the American Ceramic Society, 2008-11, Vol.91 (11), p.3530-3535</ispartof><rights>2008 The American Ceramic Society</rights><rights>2009 INIST-CNRS</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c5133-31d116f479228b9ae824b44c2b3d11d95934e47563b0844424e2373e8e1d60f13</citedby><cites>FETCH-LOGICAL-c5133-31d116f479228b9ae824b44c2b3d11d95934e47563b0844424e2373e8e1d60f13</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://onlinelibrary.wiley.com/doi/full/10.1111%2Fj.1551-2916.2008.02713.x$$EHTML$$P50$$Gwiley$$H</linktohtml><link.rule.ids>314,780,784,1416,27922,27923,45573</link.rule.ids><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=20904613$$DView record in Pascal Francis$$Hfree_for_read</backlink></links><search><creatorcontrib>Zhang, Shi C.</creatorcontrib><creatorcontrib>Hilmas, Greg E.</creatorcontrib><creatorcontrib>Fahrenholtz, William G.</creatorcontrib><title>Improved Oxidation Resistance of Zirconium Diboride by Tungsten Carbide Additions</title><title>Journal of the American Ceramic Society</title><description>The effect of tungsten carbide (WC) additions on the oxidation resistance of zirconium diboride (ZrB2) was studied. Zirconium diboride ceramics, nominally pure and with the addition of 4 mol% WC, were densified by pressureless sintering. During densification, the WC that was added to the ceramic dissolved into the ZrB2 matrix, forming a solid solution. Oxidation behavior was evaluated using thermal gravimetric analysis up to 1500°C and isothermal furnace oxidation at 1500° and 1600°C. The WC additions reduced both the weight gain and the oxide scale thickness. After oxidation at 1600°C for 3 h, the mass gain decreased from 22 mg/cm2 for nominally pure ZrB2 to 8 mg/cm2 for the WC‐containing ceramic. Analysis showed that the WC additions improved the oxidation resistance of ZrB2 by promoting densification of the zirconia scale formed during oxidation through liquid‐phase sintering.</description><subject>Applied sciences</subject><subject>Building materials. Ceramics. Glasses</subject><subject>Ceramic industries</subject><subject>Ceramics</subject><subject>Chemical industry and chemicals</subject><subject>Exact sciences and technology</subject><subject>Liquid phase sintering</subject><subject>Magnesium</subject><subject>Oxidation</subject><subject>Oxidation resistance</subject><subject>Scale (corrosion)</subject><subject>Structural ceramics</subject><subject>Technical ceramics</subject><subject>Tungsten carbide</subject><subject>Zirconium</subject><issn>0002-7820</issn><issn>1551-2916</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2008</creationdate><recordtype>article</recordtype><recordid>eNqNkV1PwyAUhonRxDn9D9xovGmFA23plVnmd4xf0Zh4Q2h7aphdq7Dp9u-lzuzSyA0czvu-wAMhlLOYh3E0iXmS8AhynsbAmIoZZFzEiw0yWDc2yYAxBlGmgG2THe8noeS5kgNyfzl9d90nVvR2YSszs11LH9BbPzNtibSr6Yt1Zdfa-ZSe2KJztkJaLOnjvH31M2zp2Lii3xtVle3dfpds1abxuPc7D8nT2enj-CK6vj2_HI-uozLhQkSCV5yntcxyAFXkBhXIQsoSChEaVZ7kQqLMklQUTEkpQSKITKBCXqWs5mJIDla54f4fc_QzPbW-xKYxLXZzr4WERAIkQXj4p5AzBRBwpCpI1Upaus57h7V-d3Zq3DKIdI9bT3RPVfdUdY9b_-DWi2Dd_z3F-NI0tQv8rF_7geVMpuHhQ3K80n3ZBpf_ztdXo_HpzzokRKuE8Em4WCcY96bTTGSJfr451-IsE89c3OkT8Q0sIKA8</recordid><startdate>200811</startdate><enddate>200811</enddate><creator>Zhang, Shi C.</creator><creator>Hilmas, Greg E.</creator><creator>Fahrenholtz, William G.</creator><general>Blackwell Publishing Inc</general><general>Wiley</general><scope>BSCLL</scope><scope>IQODW</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7QF</scope><scope>7QQ</scope><scope>7SE</scope><scope>7SR</scope><scope>8FD</scope><scope>JG9</scope></search><sort><creationdate>200811</creationdate><title>Improved Oxidation Resistance of Zirconium Diboride by Tungsten Carbide Additions</title><author>Zhang, Shi C. ; Hilmas, Greg E. ; Fahrenholtz, William G.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c5133-31d116f479228b9ae824b44c2b3d11d95934e47563b0844424e2373e8e1d60f13</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2008</creationdate><topic>Applied sciences</topic><topic>Building materials. Ceramics. Glasses</topic><topic>Ceramic industries</topic><topic>Ceramics</topic><topic>Chemical industry and chemicals</topic><topic>Exact sciences and technology</topic><topic>Liquid phase sintering</topic><topic>Magnesium</topic><topic>Oxidation</topic><topic>Oxidation resistance</topic><topic>Scale (corrosion)</topic><topic>Structural ceramics</topic><topic>Technical ceramics</topic><topic>Tungsten carbide</topic><topic>Zirconium</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Zhang, Shi C.</creatorcontrib><creatorcontrib>Hilmas, Greg E.</creatorcontrib><creatorcontrib>Fahrenholtz, William G.</creatorcontrib><collection>Istex</collection><collection>Pascal-Francis</collection><collection>CrossRef</collection><collection>Aluminium Industry Abstracts</collection><collection>Ceramic Abstracts</collection><collection>Corrosion Abstracts</collection><collection>Engineered Materials Abstracts</collection><collection>Technology Research Database</collection><collection>Materials Research Database</collection><jtitle>Journal of the American Ceramic Society</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Zhang, Shi C.</au><au>Hilmas, Greg E.</au><au>Fahrenholtz, William G.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Improved Oxidation Resistance of Zirconium Diboride by Tungsten Carbide Additions</atitle><jtitle>Journal of the American Ceramic Society</jtitle><date>2008-11</date><risdate>2008</risdate><volume>91</volume><issue>11</issue><spage>3530</spage><epage>3535</epage><pages>3530-3535</pages><issn>0002-7820</issn><eissn>1551-2916</eissn><coden>JACTAW</coden><abstract>The effect of tungsten carbide (WC) additions on the oxidation resistance of zirconium diboride (ZrB2) was studied. Zirconium diboride ceramics, nominally pure and with the addition of 4 mol% WC, were densified by pressureless sintering. During densification, the WC that was added to the ceramic dissolved into the ZrB2 matrix, forming a solid solution. Oxidation behavior was evaluated using thermal gravimetric analysis up to 1500°C and isothermal furnace oxidation at 1500° and 1600°C. The WC additions reduced both the weight gain and the oxide scale thickness. After oxidation at 1600°C for 3 h, the mass gain decreased from 22 mg/cm2 for nominally pure ZrB2 to 8 mg/cm2 for the WC‐containing ceramic. Analysis showed that the WC additions improved the oxidation resistance of ZrB2 by promoting densification of the zirconia scale formed during oxidation through liquid‐phase sintering.</abstract><cop>Malden, USA</cop><pub>Blackwell Publishing Inc</pub><doi>10.1111/j.1551-2916.2008.02713.x</doi><tpages>6</tpages></addata></record> |
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| source | Wiley Online Library All Journals |
| subjects | Applied sciences Building materials. Ceramics. Glasses Ceramic industries Ceramics Chemical industry and chemicals Exact sciences and technology Liquid phase sintering Magnesium Oxidation Oxidation resistance Scale (corrosion) Structural ceramics Technical ceramics Tungsten carbide Zirconium |
| title | Improved Oxidation Resistance of Zirconium Diboride by Tungsten Carbide Additions |
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