Modelling of Dendritic Growth during Unidirectional Solidification by the Method of Cellular Automata
Modelling was carried out to investigate the internal dendrite grains structure formation from a liquid two-component solution in the area adjacent to a mould wall. For the simulation, our own model and computer program based on CAFD (Cellular Automata Finite Differences) were used. In modelling, th...
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| Veröffentlicht in: | Materials science forum 2010-01, Vol.649, p.217-222 |
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| creator | Fraś, Edward Burbelko, Andriy A. Kapturkiewicz, Wojciech Gurgul, Daniel |
| description | Modelling was carried out to investigate the internal dendrite grains structure formation from a liquid two-component solution in the area adjacent to a mould wall. For the simulation, our own model and computer program based on CAFD (Cellular Automata Finite Differences) were used. In modelling, the effect of process conditions and material-related parameters, e.g. nucleation temperature, heat exchange rate, interfacial energy, crystal orientation with respect to the casting wall, etc. on the nature of the dendritic grain growth was examined. It was demonstrated that the profile of concentration field in a near-mould-wall zone impedes the growth of the solid phase in the direct vicinity of the wall. A local melting down of the grains of a solid phase due to the segregation of admixtures reducing the alloy point of liquidus is also possible. |
| doi_str_mv | 10.4028/www.scientific.net/MSF.649.217 |
| format | Article |
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For the simulation, our own model and computer program based on CAFD (Cellular Automata Finite Differences) were used. In modelling, the effect of process conditions and material-related parameters, e.g. nucleation temperature, heat exchange rate, interfacial energy, crystal orientation with respect to the casting wall, etc. on the nature of the dendritic grain growth was examined. It was demonstrated that the profile of concentration field in a near-mould-wall zone impedes the growth of the solid phase in the direct vicinity of the wall. A local melting down of the grains of a solid phase due to the segregation of admixtures reducing the alloy point of liquidus is also possible.</description><identifier>ISSN: 0255-5476</identifier><identifier>ISSN: 1662-9752</identifier><identifier>EISSN: 1662-9752</identifier><identifier>DOI: 10.4028/www.scientific.net/MSF.649.217</identifier><language>eng</language><publisher>Trans Tech Publications Ltd</publisher><subject>Admixtures ; Cellular automata ; Computer programs ; Computer simulation ; Crystal structure ; Dendritic structure ; Grain growth ; Grain structure ; Grains ; Heat exchange ; Interfacial energy ; Liquids ; Liquidus ; Mathematical analysis ; Mathematical models ; Melting ; Modelling ; Molds ; Nucleation ; Segregations ; Solid phases ; Solidification ; Walls</subject><ispartof>Materials science forum, 2010-01, Vol.649, p.217-222</ispartof><rights>2010 Trans Tech Publications Ltd</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c360t-f7b905b2fc0d07046beba726c603773d7e44bc6688b28de7161b25c5cb7332133</citedby><cites>FETCH-LOGICAL-c360t-f7b905b2fc0d07046beba726c603773d7e44bc6688b28de7161b25c5cb7332133</cites><orcidid>0000-0002-2591-4883</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Uhttps://www.scientific.net/Image/TitleCover/888?width=600</thumbnail><link.rule.ids>314,780,784,27924,27925</link.rule.ids></links><search><creatorcontrib>Fraś, Edward</creatorcontrib><creatorcontrib>Burbelko, Andriy A.</creatorcontrib><creatorcontrib>Kapturkiewicz, Wojciech</creatorcontrib><creatorcontrib>Gurgul, Daniel</creatorcontrib><title>Modelling of Dendritic Growth during Unidirectional Solidification by the Method of Cellular Automata</title><title>Materials science forum</title><description>Modelling was carried out to investigate the internal dendrite grains structure formation from a liquid two-component solution in the area adjacent to a mould wall. 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A local melting down of the grains of a solid phase due to the segregation of admixtures reducing the alloy point of liquidus is also possible.</description><subject>Admixtures</subject><subject>Cellular automata</subject><subject>Computer programs</subject><subject>Computer simulation</subject><subject>Crystal structure</subject><subject>Dendritic structure</subject><subject>Grain growth</subject><subject>Grain structure</subject><subject>Grains</subject><subject>Heat exchange</subject><subject>Interfacial energy</subject><subject>Liquids</subject><subject>Liquidus</subject><subject>Mathematical analysis</subject><subject>Mathematical models</subject><subject>Melting</subject><subject>Modelling</subject><subject>Molds</subject><subject>Nucleation</subject><subject>Segregations</subject><subject>Solid phases</subject><subject>Solidification</subject><subject>Walls</subject><issn>0255-5476</issn><issn>1662-9752</issn><issn>1662-9752</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2010</creationdate><recordtype>article</recordtype><recordid>eNqNkE1LAzEQhoMoWD_-Q0562m0-Nsn2Ikq1VWjxoJ5Dks3alO2mJlkW_70pFbx6Gmbm5ZnhAeAGo7JCpJ6O41hG42yfXOtM2ds0Xb8tSl7NSoLFCZhgzkkxE4ycggkijBWsEvwcXMS4RYjiGvMJsGvf2K5z_Sf0LXy0fRNccgYugx_TBjZDOKw-ete4YE1yvlcdfPNd7vNRdRhA_Q3TxsK1TRvfHDDzTBw6FeDDkPxOJXUFzlrVRXv9Wy_Bx-Lpff5crF6XL_OHVWEoR6lohZ4hpklrUIMEqri2WgnCDUdUCNoIW1XacF7XmtSNFZhjTZhhRgtKCab0EtweufvgvwYbk9y5aPI3qrd-iFKwzMGMopy8OyZN8DEG28p9cDsVviVG8qBXZr3yT6_MemXWK7NemfVmwP0RkILqY7JmI7d-CFlP_C_iB9y0jbE</recordid><startdate>20100101</startdate><enddate>20100101</enddate><creator>Fraś, Edward</creator><creator>Burbelko, Andriy A.</creator><creator>Kapturkiewicz, Wojciech</creator><creator>Gurgul, Daniel</creator><general>Trans Tech Publications Ltd</general><scope>AAYXX</scope><scope>CITATION</scope><scope>7SR</scope><scope>8BQ</scope><scope>8FD</scope><scope>JG9</scope><orcidid>https://orcid.org/0000-0002-2591-4883</orcidid></search><sort><creationdate>20100101</creationdate><title>Modelling of Dendritic Growth during Unidirectional Solidification by the Method of Cellular Automata</title><author>Fraś, Edward ; Burbelko, Andriy A. ; Kapturkiewicz, Wojciech ; Gurgul, Daniel</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c360t-f7b905b2fc0d07046beba726c603773d7e44bc6688b28de7161b25c5cb7332133</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2010</creationdate><topic>Admixtures</topic><topic>Cellular automata</topic><topic>Computer programs</topic><topic>Computer simulation</topic><topic>Crystal structure</topic><topic>Dendritic structure</topic><topic>Grain growth</topic><topic>Grain structure</topic><topic>Grains</topic><topic>Heat exchange</topic><topic>Interfacial energy</topic><topic>Liquids</topic><topic>Liquidus</topic><topic>Mathematical analysis</topic><topic>Mathematical models</topic><topic>Melting</topic><topic>Modelling</topic><topic>Molds</topic><topic>Nucleation</topic><topic>Segregations</topic><topic>Solid phases</topic><topic>Solidification</topic><topic>Walls</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Fraś, Edward</creatorcontrib><creatorcontrib>Burbelko, Andriy A.</creatorcontrib><creatorcontrib>Kapturkiewicz, Wojciech</creatorcontrib><creatorcontrib>Gurgul, Daniel</creatorcontrib><collection>CrossRef</collection><collection>Engineered Materials Abstracts</collection><collection>METADEX</collection><collection>Technology Research Database</collection><collection>Materials Research Database</collection><jtitle>Materials science forum</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Fraś, Edward</au><au>Burbelko, Andriy A.</au><au>Kapturkiewicz, Wojciech</au><au>Gurgul, Daniel</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Modelling of Dendritic Growth during Unidirectional Solidification by the Method of Cellular Automata</atitle><jtitle>Materials science forum</jtitle><date>2010-01-01</date><risdate>2010</risdate><volume>649</volume><spage>217</spage><epage>222</epage><pages>217-222</pages><issn>0255-5476</issn><issn>1662-9752</issn><eissn>1662-9752</eissn><abstract>Modelling was carried out to investigate the internal dendrite grains structure formation from a liquid two-component solution in the area adjacent to a mould wall. 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| subjects | Admixtures Cellular automata Computer programs Computer simulation Crystal structure Dendritic structure Grain growth Grain structure Grains Heat exchange Interfacial energy Liquids Liquidus Mathematical analysis Mathematical models Melting Modelling Molds Nucleation Segregations Solid phases Solidification Walls |
| title | Modelling of Dendritic Growth during Unidirectional Solidification by the Method of Cellular Automata |
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