Self-Propagating High-Temperature Synthesis of Ti3SiC2: I, Ultra-High-Speed Neutron Diffraction Study of the Reaction Mechanism
In situ neutron diffraction at 0.9 s time resolution was used to reveal the reaction mechanism during the self‐propagating high‐temperature synthesis (SHS) of Ti3SiC2 from furnace‐ignited stoichiometric 3Ti + SiC + C mixtures. The diffraction patterns indicate that the SHS proceeded in five stages:...
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| Veröffentlicht in: | Journal of the American Ceramic Society 2002-10, Vol.85 (10), p.2417-2424 |
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| container_title | Journal of the American Ceramic Society |
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| creator | Riley, Daniel P. Kisi, Erich H. Hansen, Thomas C. Hewat, Alan W. |
| description | In situ neutron diffraction at 0.9 s time resolution was used to reveal the reaction mechanism during the self‐propagating high‐temperature synthesis (SHS) of Ti3SiC2 from furnace‐ignited stoichiometric 3Ti + SiC + C mixtures. The diffraction patterns indicate that the SHS proceeded in five stages: (i) preheating of the reactants, (ii) the α→β phase transformation in Ti, (iii) preignition reactions, (iv) the formation of a single solid intermediate phase in |
| doi_str_mv | 10.1111/j.1151-2916.2002.tb00474.x |
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The diffraction patterns indicate that the SHS proceeded in five stages: (i) preheating of the reactants, (ii) the α→β phase transformation in Ti, (iii) preignition reactions, (iv) the formation of a single solid intermediate phase in <0.9 s, and (v) the rapid nucleation and growth of the product phase Ti3SiC2. No amorphous contribution to the diffraction patterns from a liquid phase was detected and, as such, it is unlikely that a liquid phase plays a major role in this SHS reaction. The intermediate phase is believed to be a solid solution of Si in TiC such that the overall stoichiometry is ∼3Ti:1Si:2C. Lattice parameters and known thermal expansion data were used to estimate the ignition temperature at 923 ± 10°C (supported by the α→β phase transformation in Ti) and the combustion temperature at 2320 ± 50°C.</description><identifier>ISSN: 0002-7820</identifier><identifier>EISSN: 1551-2916</identifier><identifier>DOI: 10.1111/j.1151-2916.2002.tb00474.x</identifier><identifier>CODEN: JACTAW</identifier><language>eng</language><publisher>Westerville, Ohio: American Ceramics Society</publisher><subject>Chemistry ; Elements and non-metal compounds (oxides, hydroxides, hydrides, sulfides, carbides, ...) ; Exact sciences and technology ; high temperature ; Inorganic chemistry and origins of life ; Preparations and properties ; synthesis ; titanium</subject><ispartof>Journal of the American Ceramic Society, 2002-10, Vol.85 (10), p.2417-2424</ispartof><rights>2002 INIST-CNRS</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed></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.1151-2916.2002.tb00474.x$$EPDF$$P50$$Gwiley$$H</linktopdf><linktohtml>$$Uhttps://onlinelibrary.wiley.com/doi/full/10.1111%2Fj.1151-2916.2002.tb00474.x$$EHTML$$P50$$Gwiley$$H</linktohtml><link.rule.ids>314,776,780,1411,27901,27902,45550,45551</link.rule.ids><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=13965889$$DView record in Pascal Francis$$Hfree_for_read</backlink></links><search><creatorcontrib>Riley, Daniel P.</creatorcontrib><creatorcontrib>Kisi, Erich H.</creatorcontrib><creatorcontrib>Hansen, Thomas C.</creatorcontrib><creatorcontrib>Hewat, Alan W.</creatorcontrib><title>Self-Propagating High-Temperature Synthesis of Ti3SiC2: I, Ultra-High-Speed Neutron Diffraction Study of the Reaction Mechanism</title><title>Journal of the American Ceramic Society</title><description>In situ neutron diffraction at 0.9 s time resolution was used to reveal the reaction mechanism during the self‐propagating high‐temperature synthesis (SHS) of Ti3SiC2 from furnace‐ignited stoichiometric 3Ti + SiC + C mixtures. The diffraction patterns indicate that the SHS proceeded in five stages: (i) preheating of the reactants, (ii) the α→β phase transformation in Ti, (iii) preignition reactions, (iv) the formation of a single solid intermediate phase in <0.9 s, and (v) the rapid nucleation and growth of the product phase Ti3SiC2. No amorphous contribution to the diffraction patterns from a liquid phase was detected and, as such, it is unlikely that a liquid phase plays a major role in this SHS reaction. The intermediate phase is believed to be a solid solution of Si in TiC such that the overall stoichiometry is ∼3Ti:1Si:2C. Lattice parameters and known thermal expansion data were used to estimate the ignition temperature at 923 ± 10°C (supported by the α→β phase transformation in Ti) and the combustion temperature at 2320 ± 50°C.</description><subject>Chemistry</subject><subject>Elements and non-metal compounds (oxides, hydroxides, hydrides, sulfides, carbides, ...)</subject><subject>Exact sciences and technology</subject><subject>high temperature</subject><subject>Inorganic chemistry and origins of life</subject><subject>Preparations and properties</subject><subject>synthesis</subject><subject>titanium</subject><issn>0002-7820</issn><issn>1551-2916</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2002</creationdate><recordtype>article</recordtype><recordid>eNpFkF9v2yAUxdG0Ss3afQc0aW8jA4ON2dOq9G_WdlWdatJe0I0NCZnjWEC05GlffXiJ1vtyuZxzj-CH0AdGxyzV51VqOSOZYsU4ozQbxzmlQorx7g0asfwovUUjmkQiy4yeonchrNLIVClG6E9lWkue_KaHBUTXLfCtWyzJzKx74yFuvcHVvotLE1zAG4tnjldukn3Bd5_wSxs9kH_-qjemwY9mG_2mw5fOWg91dOlcxW2zHzZTBn42x9sHUy-hc2F9jk4stMG8P_Yz9HJ9NZvckvvvN3eTi3viuBCSKLC0EDKvVc55reZ5RhtuUwEoJWkjAAS1Us6b9EcBtGlYXpaNUbZQZSFzfoY-HnJ7CDW06Xld7YLuvVuD32vGVZEWVPJ9Pfh-u9bsX3WqB956pQfeeoCqB976yFvv9PRicpUJJlMEOUS4EM3ufwT4X7qQXOb6x-ONvqY_p-zb9Flz_hdgzYau</recordid><startdate>200210</startdate><enddate>200210</enddate><creator>Riley, Daniel P.</creator><creator>Kisi, Erich H.</creator><creator>Hansen, Thomas C.</creator><creator>Hewat, Alan W.</creator><general>American Ceramics Society</general><general>Blackwell</general><scope>BSCLL</scope><scope>IQODW</scope></search><sort><creationdate>200210</creationdate><title>Self-Propagating High-Temperature Synthesis of Ti3SiC2: I, Ultra-High-Speed Neutron Diffraction Study of the Reaction Mechanism</title><author>Riley, Daniel P. ; Kisi, Erich H. ; Hansen, Thomas C. ; Hewat, Alan W.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-i3447-9af06475c9533c9b520d3ffffaa9970d4aa40f77bd7824a0dd1588de9f6986753</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2002</creationdate><topic>Chemistry</topic><topic>Elements and non-metal compounds (oxides, hydroxides, hydrides, sulfides, carbides, ...)</topic><topic>Exact sciences and technology</topic><topic>high temperature</topic><topic>Inorganic chemistry and origins of life</topic><topic>Preparations and properties</topic><topic>synthesis</topic><topic>titanium</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Riley, Daniel P.</creatorcontrib><creatorcontrib>Kisi, Erich H.</creatorcontrib><creatorcontrib>Hansen, Thomas C.</creatorcontrib><creatorcontrib>Hewat, Alan W.</creatorcontrib><collection>Istex</collection><collection>Pascal-Francis</collection><jtitle>Journal of the American Ceramic Society</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Riley, Daniel P.</au><au>Kisi, Erich H.</au><au>Hansen, Thomas C.</au><au>Hewat, Alan W.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Self-Propagating High-Temperature Synthesis of Ti3SiC2: I, Ultra-High-Speed Neutron Diffraction Study of the Reaction Mechanism</atitle><jtitle>Journal of the American Ceramic Society</jtitle><date>2002-10</date><risdate>2002</risdate><volume>85</volume><issue>10</issue><spage>2417</spage><epage>2424</epage><pages>2417-2424</pages><issn>0002-7820</issn><eissn>1551-2916</eissn><coden>JACTAW</coden><abstract>In situ neutron diffraction at 0.9 s time resolution was used to reveal the reaction mechanism during the self‐propagating high‐temperature synthesis (SHS) of Ti3SiC2 from furnace‐ignited stoichiometric 3Ti + SiC + C mixtures. The diffraction patterns indicate that the SHS proceeded in five stages: (i) preheating of the reactants, (ii) the α→β phase transformation in Ti, (iii) preignition reactions, (iv) the formation of a single solid intermediate phase in <0.9 s, and (v) the rapid nucleation and growth of the product phase Ti3SiC2. No amorphous contribution to the diffraction patterns from a liquid phase was detected and, as such, it is unlikely that a liquid phase plays a major role in this SHS reaction. The intermediate phase is believed to be a solid solution of Si in TiC such that the overall stoichiometry is ∼3Ti:1Si:2C. Lattice parameters and known thermal expansion data were used to estimate the ignition temperature at 923 ± 10°C (supported by the α→β phase transformation in Ti) and the combustion temperature at 2320 ± 50°C.</abstract><cop>Westerville, Ohio</cop><pub>American Ceramics Society</pub><doi>10.1111/j.1151-2916.2002.tb00474.x</doi><tpages>8</tpages></addata></record> |
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| source | Wiley Online Library Journals Frontfile Complete |
| subjects | Chemistry Elements and non-metal compounds (oxides, hydroxides, hydrides, sulfides, carbides, ...) Exact sciences and technology high temperature Inorganic chemistry and origins of life Preparations and properties synthesis titanium |
| title | Self-Propagating High-Temperature Synthesis of Ti3SiC2: I, Ultra-High-Speed Neutron Diffraction Study of the Reaction Mechanism |
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