Shape Dependence of the Coarsening Behavior of Niobium Carbide Grains Dispersed in a Liquid Iron Matrix
In niobium carbide–iron (NbC‐Fe) specimens where the grains were faceted, abnormally large grains appeared during coarsening. Normal and uniform grain growth occurred when the grain shape was changed to a spherical morphology by the addition of a small amount of boron. The results have been discusse...
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| Veröffentlicht in: | Journal of the American Ceramic Society 2000-12, Vol.83 (12), p.3117-3120 |
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| container_issue | 12 |
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| container_title | Journal of the American Ceramic Society |
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| creator | Oh, Kyung-Sik Jun, Jae-Yong Kim, Doh-Yeon Hwang, Nong M. |
| description | In niobium carbide–iron (NbC‐Fe) specimens where the grains were faceted, abnormally large grains appeared during coarsening. Normal and uniform grain growth occurred when the grain shape was changed to a spherical morphology by the addition of a small amount of boron. The results have been discussed, in terms of a coarsening mechanism, depending on the atomic structure of the interface. For faceted grains with an atomically smooth interface structure, the coarsening was suggested to occur via two‐dimensional nucleation and a lateral‐growth mechanism. For spherical grains with an atomically rough interfacial structure, diffusion was suggested to control the coarsening process. |
| doi_str_mv | 10.1111/j.1151-2916.2000.tb01691.x |
| format | Article |
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Normal and uniform grain growth occurred when the grain shape was changed to a spherical morphology by the addition of a small amount of boron. The results have been discussed, in terms of a coarsening mechanism, depending on the atomic structure of the interface. For faceted grains with an atomically smooth interface structure, the coarsening was suggested to occur via two‐dimensional nucleation and a lateral‐growth mechanism. For spherical grains with an atomically rough interfacial structure, diffusion was suggested to control the coarsening process.</description><identifier>ISSN: 0002-7820</identifier><identifier>EISSN: 1551-2916</identifier><identifier>DOI: 10.1111/j.1151-2916.2000.tb01691.x</identifier><identifier>CODEN: JACTAW</identifier><language>eng</language><publisher>Westerville, Ohio: American Ceramics Society</publisher><subject>Applied sciences ; coarsening ; Cross-disciplinary physics: materials science; rheology ; Exact sciences and technology ; Materials science ; Metals. Metallurgy ; Methods of crystal growth; physics of crystal growth ; morphology ; niobium/niobium compounds ; Phase diagrams and microstructures developed by solidification and solid-solid phase transformations ; Physics ; Solidification ; Theory and models of crystal growth; physics of crystal growth, crystal morphology and orientation</subject><ispartof>Journal of the American Ceramic Society, 2000-12, Vol.83 (12), p.3117-3120</ispartof><rights>2001 INIST-CNRS</rights><rights>Copyright American Ceramic Society Dec 2000</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c4777-9aebb9455fb6f134308eb9576d88801d0c90eb2b53c9194292abe5e73b42fd583</citedby><cites>FETCH-LOGICAL-c4777-9aebb9455fb6f134308eb9576d88801d0c90eb2b53c9194292abe5e73b42fd583</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%2Fj.1151-2916.2000.tb01691.x$$EPDF$$P50$$Gwiley$$H</linktopdf><linktohtml>$$Uhttps://onlinelibrary.wiley.com/doi/full/10.1111%2Fj.1151-2916.2000.tb01691.x$$EHTML$$P50$$Gwiley$$H</linktohtml><link.rule.ids>314,776,780,1411,27903,27904,45553,45554</link.rule.ids><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=860041$$DView record in Pascal Francis$$Hfree_for_read</backlink></links><search><creatorcontrib>Oh, Kyung-Sik</creatorcontrib><creatorcontrib>Jun, Jae-Yong</creatorcontrib><creatorcontrib>Kim, Doh-Yeon</creatorcontrib><creatorcontrib>Hwang, Nong M.</creatorcontrib><title>Shape Dependence of the Coarsening Behavior of Niobium Carbide Grains Dispersed in a Liquid Iron Matrix</title><title>Journal of the American Ceramic Society</title><description>In niobium carbide–iron (NbC‐Fe) specimens where the grains were faceted, abnormally large grains appeared during coarsening. Normal and uniform grain growth occurred when the grain shape was changed to a spherical morphology by the addition of a small amount of boron. The results have been discussed, in terms of a coarsening mechanism, depending on the atomic structure of the interface. For faceted grains with an atomically smooth interface structure, the coarsening was suggested to occur via two‐dimensional nucleation and a lateral‐growth mechanism. For spherical grains with an atomically rough interfacial structure, diffusion was suggested to control the coarsening process.</description><subject>Applied sciences</subject><subject>coarsening</subject><subject>Cross-disciplinary physics: materials science; rheology</subject><subject>Exact sciences and technology</subject><subject>Materials science</subject><subject>Metals. Metallurgy</subject><subject>Methods of crystal growth; physics of crystal growth</subject><subject>morphology</subject><subject>niobium/niobium compounds</subject><subject>Phase diagrams and microstructures developed by solidification and solid-solid phase transformations</subject><subject>Physics</subject><subject>Solidification</subject><subject>Theory and models of crystal growth; physics of crystal growth, crystal morphology and orientation</subject><issn>0002-7820</issn><issn>1551-2916</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2000</creationdate><recordtype>article</recordtype><recordid>eNqVkNFO2zAUhq1pk9Yx3sGC63S2E8c2V0AKHVMHF2Vi4saykxPqUpxgp1t5-zlqxf18c2T93_mO9CN0QsmUpvdtnQanGVO0nDJCyHSwhJaKTncf0ITyQ_QRTVLGMiEZ-Yy-xLhOX6pkMUFPy5XpAc-gB9-ArwF3LR5WgKvOhAje-Sd8CSvzx3VhjG5dZ932BVcmWNcAngfjfMQzF3tIfIOdxwYv3OvWNfgmdB7_NENwu6_oU2s2EY4P8wj9ur66r75ni7v5TXWxyOpCCJEpA9aqgvPWli3Ni5xIsIqLspFSEtqQWhGwzPK8VlQVTDFjgYPIbcHahsv8CJ3svX3oXrcQB73utsGnk5pRIZUoRJmgsz1Uhy7GAK3ug3sx4U1Tosde9VqPveqxPD32qg-96l1aPj1cMLE2mzYYX7v4bpAlIQVN1Pme-us28PYffv3jorrKKRVJke0VLg6we1eY8KxLkQuuH27n-pouH2fL3_f6If8H_42bMg</recordid><startdate>200012</startdate><enddate>200012</enddate><creator>Oh, Kyung-Sik</creator><creator>Jun, Jae-Yong</creator><creator>Kim, Doh-Yeon</creator><creator>Hwang, Nong M.</creator><general>American Ceramics Society</general><general>Blackwell</general><general>Wiley Subscription Services, Inc</general><scope>BSCLL</scope><scope>IQODW</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7QQ</scope><scope>7SR</scope><scope>8FD</scope><scope>JG9</scope></search><sort><creationdate>200012</creationdate><title>Shape Dependence of the Coarsening Behavior of Niobium Carbide Grains Dispersed in a Liquid Iron Matrix</title><author>Oh, Kyung-Sik ; Jun, Jae-Yong ; Kim, Doh-Yeon ; Hwang, Nong M.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c4777-9aebb9455fb6f134308eb9576d88801d0c90eb2b53c9194292abe5e73b42fd583</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2000</creationdate><topic>Applied sciences</topic><topic>coarsening</topic><topic>Cross-disciplinary physics: materials science; rheology</topic><topic>Exact sciences and technology</topic><topic>Materials science</topic><topic>Metals. Metallurgy</topic><topic>Methods of crystal growth; physics of crystal growth</topic><topic>morphology</topic><topic>niobium/niobium compounds</topic><topic>Phase diagrams and microstructures developed by solidification and solid-solid phase transformations</topic><topic>Physics</topic><topic>Solidification</topic><topic>Theory and models of crystal growth; physics of crystal growth, crystal morphology and orientation</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Oh, Kyung-Sik</creatorcontrib><creatorcontrib>Jun, Jae-Yong</creatorcontrib><creatorcontrib>Kim, Doh-Yeon</creatorcontrib><creatorcontrib>Hwang, Nong M.</creatorcontrib><collection>Istex</collection><collection>Pascal-Francis</collection><collection>CrossRef</collection><collection>Ceramic 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>Oh, Kyung-Sik</au><au>Jun, Jae-Yong</au><au>Kim, Doh-Yeon</au><au>Hwang, Nong M.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Shape Dependence of the Coarsening Behavior of Niobium Carbide Grains Dispersed in a Liquid Iron Matrix</atitle><jtitle>Journal of the American Ceramic Society</jtitle><date>2000-12</date><risdate>2000</risdate><volume>83</volume><issue>12</issue><spage>3117</spage><epage>3120</epage><pages>3117-3120</pages><issn>0002-7820</issn><eissn>1551-2916</eissn><coden>JACTAW</coden><abstract>In niobium carbide–iron (NbC‐Fe) specimens where the grains were faceted, abnormally large grains appeared during coarsening. Normal and uniform grain growth occurred when the grain shape was changed to a spherical morphology by the addition of a small amount of boron. The results have been discussed, in terms of a coarsening mechanism, depending on the atomic structure of the interface. For faceted grains with an atomically smooth interface structure, the coarsening was suggested to occur via two‐dimensional nucleation and a lateral‐growth mechanism. For spherical grains with an atomically rough interfacial structure, diffusion was suggested to control the coarsening process.</abstract><cop>Westerville, Ohio</cop><pub>American Ceramics Society</pub><doi>10.1111/j.1151-2916.2000.tb01691.x</doi><tpages>4</tpages></addata></record> |
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| source | Wiley Online Library Journals Frontfile Complete |
| subjects | Applied sciences coarsening Cross-disciplinary physics: materials science rheology Exact sciences and technology Materials science Metals. Metallurgy Methods of crystal growth physics of crystal growth morphology niobium/niobium compounds Phase diagrams and microstructures developed by solidification and solid-solid phase transformations Physics Solidification Theory and models of crystal growth physics of crystal growth, crystal morphology and orientation |
| title | Shape Dependence of the Coarsening Behavior of Niobium Carbide Grains Dispersed in a Liquid Iron Matrix |
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