Nucleation and Growth of Alumina Inclusion in Early Stages of Deoxidation: Numerical Modeling
In order to gain a better understanding of deoxidation phenomena, there is a need to develop a model that could involve mass transfer, nucleating and growth kinetics of inclusion to simulate unhomogeneous state at the initial stage of Al deoxidation process. Based on the computation of the model for...
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| Veröffentlicht in: | ISIJ International 2010/03/15, Vol.50(3), pp.371-379 |
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| creator | Jin, Yan Liu, Zhongzhu Takata, Ryousuke |
| description | In order to gain a better understanding of deoxidation phenomena, there is a need to develop a model that could involve mass transfer, nucleating and growth kinetics of inclusion to simulate unhomogeneous state at the initial stage of Al deoxidation process. Based on the computation of the model for steel droplet with aluminum at center, it is found that the reaction zone between aluminum and oxygen in liquid steel is located in a limited zone at a certain fixed time and it is moved from center to outmost with the time going. For the zone besides the deoxidizer, i.e. aluminum, the supersaturation degree SO is very high at first, and then is decreased quickly, and the main part of oxygen in steel is absorbed by nucleation. In the other side, for the outmost zone, the main part of oxygen in steel is absorbed by growth of inclusion and the growth of inclusion lasts for longer time than that of inner zones. |
| doi_str_mv | 10.2355/isijinternational.50.371 |
| format | Article |
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Based on the computation of the model for steel droplet with aluminum at center, it is found that the reaction zone between aluminum and oxygen in liquid steel is located in a limited zone at a certain fixed time and it is moved from center to outmost with the time going. For the zone besides the deoxidizer, i.e. aluminum, the supersaturation degree SO is very high at first, and then is decreased quickly, and the main part of oxygen in steel is absorbed by nucleation. In the other side, for the outmost zone, the main part of oxygen in steel is absorbed by growth of inclusion and the growth of inclusion lasts for longer time than that of inner zones.</description><identifier>ISSN: 0915-1559</identifier><identifier>EISSN: 1347-5460</identifier><identifier>DOI: 10.2355/isijinternational.50.371</identifier><language>eng</language><publisher>Tokyo: The Iron and Steel Institute of Japan</publisher><subject>alumina inclusion ; Aluminum ; Aluminum oxide ; Applied sciences ; Computation ; Computer simulation ; Deoxidizers ; Deoxidizing ; Droplets ; early stages of deoxidation ; Exact sciences and technology ; Gain ; growth of inclusion ; Inclusions ; Liquids ; Mass transfer ; Mathematical models ; Metals. Metallurgy ; Nucleation ; reaction ; Reaction kinetics ; Steels ; Supersaturation ; unhomogeneous state</subject><ispartof>ISIJ International, 2010/03/15, Vol.50(3), pp.371-379</ispartof><rights>2010 by The Iron and Steel Institute of Japan</rights><rights>2015 INIST-CNRS</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c640t-b9aaddf9fbb14c876bc575beb3581cb820685e5e7de74e2016f6755307ce0a4c3</citedby><cites>FETCH-LOGICAL-c640t-b9aaddf9fbb14c876bc575beb3581cb820685e5e7de74e2016f6755307ce0a4c3</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,776,780,1877,27901,27902</link.rule.ids><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=22774343$$DView record in Pascal Francis$$Hfree_for_read</backlink></links><search><creatorcontrib>Jin, Yan</creatorcontrib><creatorcontrib>Liu, Zhongzhu</creatorcontrib><creatorcontrib>Takata, Ryousuke</creatorcontrib><title>Nucleation and Growth of Alumina Inclusion in Early Stages of Deoxidation: Numerical Modeling</title><title>ISIJ International</title><addtitle>ISIJ Int.</addtitle><description>In order to gain a better understanding of deoxidation phenomena, there is a need to develop a model that could involve mass transfer, nucleating and growth kinetics of inclusion to simulate unhomogeneous state at the initial stage of Al deoxidation process. Based on the computation of the model for steel droplet with aluminum at center, it is found that the reaction zone between aluminum and oxygen in liquid steel is located in a limited zone at a certain fixed time and it is moved from center to outmost with the time going. For the zone besides the deoxidizer, i.e. aluminum, the supersaturation degree SO is very high at first, and then is decreased quickly, and the main part of oxygen in steel is absorbed by nucleation. In the other side, for the outmost zone, the main part of oxygen in steel is absorbed by growth of inclusion and the growth of inclusion lasts for longer time than that of inner zones.</description><subject>alumina inclusion</subject><subject>Aluminum</subject><subject>Aluminum oxide</subject><subject>Applied sciences</subject><subject>Computation</subject><subject>Computer simulation</subject><subject>Deoxidizers</subject><subject>Deoxidizing</subject><subject>Droplets</subject><subject>early stages of deoxidation</subject><subject>Exact sciences and technology</subject><subject>Gain</subject><subject>growth of inclusion</subject><subject>Inclusions</subject><subject>Liquids</subject><subject>Mass transfer</subject><subject>Mathematical models</subject><subject>Metals. Metallurgy</subject><subject>Nucleation</subject><subject>reaction</subject><subject>Reaction kinetics</subject><subject>Steels</subject><subject>Supersaturation</subject><subject>unhomogeneous state</subject><issn>0915-1559</issn><issn>1347-5460</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2010</creationdate><recordtype>article</recordtype><recordid>eNp1kD1PwzAQhi0EElXhP3hBTCl2bMcpW1WgVOJjAEZkXZwLGLkO2Img_56Uoi6IxTf4ee_VPYRQzia5UOrMJffmQocxQOfaAH6i2ERovkdGXEidKVmwfTJiU64yrtT0kByn5CrGcllKwcWIPN_11uNPmkKo6SK2n90rbRs68_3KBaDLYH2fNv8u0EuIfk0fOnjBtIEusP1y9U_8nN71K4zOgqe3bY3ehZcjctCAT3j8O8fk6erycX6d3dwvlvPZTWYLybqsmgLUdTNtqopLW-qiskqrCiuhSm6rMmdFqVChrlFLzBkvmkIrJZi2yEBaMSan273vsf3oMXVm5ZJF7yFg2yejldA5Z8PNY1JuSRvblCI25j26FcS14cxsnJo_To1iZnA6RE9-SyANRzYRgnVpl89zraWQYuBut9xb2njaARA7N7j-p2D7DD07zr5CNBjEN6ZFm2g</recordid><startdate>20100101</startdate><enddate>20100101</enddate><creator>Jin, Yan</creator><creator>Liu, Zhongzhu</creator><creator>Takata, Ryousuke</creator><general>The Iron and Steel Institute of Japan</general><general>Iron and Steel Institute of Japan</general><scope>IQODW</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7QF</scope><scope>7QQ</scope><scope>8BQ</scope><scope>8FD</scope><scope>JG9</scope></search><sort><creationdate>20100101</creationdate><title>Nucleation and Growth of Alumina Inclusion in Early Stages of Deoxidation: Numerical Modeling</title><author>Jin, Yan ; Liu, Zhongzhu ; Takata, Ryousuke</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c640t-b9aaddf9fbb14c876bc575beb3581cb820685e5e7de74e2016f6755307ce0a4c3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2010</creationdate><topic>alumina inclusion</topic><topic>Aluminum</topic><topic>Aluminum oxide</topic><topic>Applied sciences</topic><topic>Computation</topic><topic>Computer simulation</topic><topic>Deoxidizers</topic><topic>Deoxidizing</topic><topic>Droplets</topic><topic>early stages of deoxidation</topic><topic>Exact sciences and technology</topic><topic>Gain</topic><topic>growth of inclusion</topic><topic>Inclusions</topic><topic>Liquids</topic><topic>Mass transfer</topic><topic>Mathematical models</topic><topic>Metals. Metallurgy</topic><topic>Nucleation</topic><topic>reaction</topic><topic>Reaction kinetics</topic><topic>Steels</topic><topic>Supersaturation</topic><topic>unhomogeneous state</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Jin, Yan</creatorcontrib><creatorcontrib>Liu, Zhongzhu</creatorcontrib><creatorcontrib>Takata, Ryousuke</creatorcontrib><collection>Pascal-Francis</collection><collection>CrossRef</collection><collection>Aluminium Industry Abstracts</collection><collection>Ceramic Abstracts</collection><collection>METADEX</collection><collection>Technology Research Database</collection><collection>Materials Research Database</collection><jtitle>ISIJ International</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Jin, Yan</au><au>Liu, Zhongzhu</au><au>Takata, Ryousuke</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Nucleation and Growth of Alumina Inclusion in Early Stages of Deoxidation: Numerical Modeling</atitle><jtitle>ISIJ International</jtitle><addtitle>ISIJ Int.</addtitle><date>2010-01-01</date><risdate>2010</risdate><volume>50</volume><issue>3</issue><spage>371</spage><epage>379</epage><pages>371-379</pages><issn>0915-1559</issn><eissn>1347-5460</eissn><abstract>In order to gain a better understanding of deoxidation phenomena, there is a need to develop a model that could involve mass transfer, nucleating and growth kinetics of inclusion to simulate unhomogeneous state at the initial stage of Al deoxidation process. Based on the computation of the model for steel droplet with aluminum at center, it is found that the reaction zone between aluminum and oxygen in liquid steel is located in a limited zone at a certain fixed time and it is moved from center to outmost with the time going. For the zone besides the deoxidizer, i.e. aluminum, the supersaturation degree SO is very high at first, and then is decreased quickly, and the main part of oxygen in steel is absorbed by nucleation. In the other side, for the outmost zone, the main part of oxygen in steel is absorbed by growth of inclusion and the growth of inclusion lasts for longer time than that of inner zones.</abstract><cop>Tokyo</cop><pub>The Iron and Steel Institute of Japan</pub><doi>10.2355/isijinternational.50.371</doi><tpages>9</tpages><oa>free_for_read</oa></addata></record> |
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| subjects | alumina inclusion Aluminum Aluminum oxide Applied sciences Computation Computer simulation Deoxidizers Deoxidizing Droplets early stages of deoxidation Exact sciences and technology Gain growth of inclusion Inclusions Liquids Mass transfer Mathematical models Metals. Metallurgy Nucleation reaction Reaction kinetics Steels Supersaturation unhomogeneous state |
| title | Nucleation and Growth of Alumina Inclusion in Early Stages of Deoxidation: Numerical Modeling |
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