Effects of Fluorine on Solidification, Viscosity, Structure, and Heat Transfer of CaO-Al2O3-Based Mold Fluxes
To mitigate the chemical reaction between mold fluxes and high-Al steel, CaO-Al 2 O 3 -based mold fluxes were proposed to replace the conventional CaO-SiO 2 -based mold fluxes. However, the high viscosity of CaO-Al 2 O 3 -based mold fluxes is harmful to the lubrication to the strand. In this article...
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| Veröffentlicht in: | Metallurgical and materials transactions. B, Process metallurgy and materials processing science Process metallurgy and materials processing science, 2019-08, Vol.50 (4), p.1766-1772 |
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| container_title | Metallurgical and materials transactions. B, Process metallurgy and materials processing science |
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| creator | Yang, Jian Zhang, Jianqiang Ostrovski, Oleg Zhang, Chen Cai, Dexiang |
| description | To mitigate the chemical reaction between mold fluxes and high-Al steel, CaO-Al
2
O
3
-based mold fluxes were proposed to replace the conventional CaO-SiO
2
-based mold fluxes. However, the high viscosity of CaO-Al
2
O
3
-based mold fluxes is harmful to the lubrication to the strand. In this article, the effects of fluorine on solidification, viscosity, structure, and heat transfer of CaO-Al
2
O
3
-based mold fluxes were evaluated. The addition of fluorine increased the break temperature and decreased the heat transfer rate of mold fluxes. It also reduced the flux viscosity at 1673 K (1400 °C) when fluorine content increased from 4.0 to 6.9 mass pct; but a further increase of fluorine to 12.5 mass pct did not notably change the flux viscosity. This phenomenon was correlated to the synergic effects of the dissociation of flux network and the increased potential of nucleation at high temperature with the fluorine addition. |
| doi_str_mv | 10.1007/s11663-019-01579-z |
| format | Article |
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2
O
3
-based mold fluxes were proposed to replace the conventional CaO-SiO
2
-based mold fluxes. However, the high viscosity of CaO-Al
2
O
3
-based mold fluxes is harmful to the lubrication to the strand. In this article, the effects of fluorine on solidification, viscosity, structure, and heat transfer of CaO-Al
2
O
3
-based mold fluxes were evaluated. The addition of fluorine increased the break temperature and decreased the heat transfer rate of mold fluxes. It also reduced the flux viscosity at 1673 K (1400 °C) when fluorine content increased from 4.0 to 6.9 mass pct; but a further increase of fluorine to 12.5 mass pct did not notably change the flux viscosity. This phenomenon was correlated to the synergic effects of the dissociation of flux network and the increased potential of nucleation at high temperature with the fluorine addition.</description><identifier>ISSN: 1073-5615</identifier><identifier>EISSN: 1543-1916</identifier><identifier>DOI: 10.1007/s11663-019-01579-z</identifier><language>eng</language><publisher>New York: Springer US</publisher><subject>Aluminum oxide ; Characterization and Evaluation of Materials ; Chemical reactions ; Chemistry and Materials Science ; Fluorine ; Heat transfer ; High temperature ; Lubrication ; Materials Science ; Metallic Materials ; Mold fluxes ; Nanotechnology ; Nucleation ; Organic chemistry ; Silicon dioxide ; Solidification ; Structural Materials ; Surfaces and Interfaces ; Thin Films ; Viscosity</subject><ispartof>Metallurgical and materials transactions. B, Process metallurgy and materials processing science, 2019-08, Vol.50 (4), p.1766-1772</ispartof><rights>The Minerals, Metals & Materials Society and ASM International 2019</rights><rights>Metallurgical and Materials Transactions B is a copyright of Springer, (2019). All Rights Reserved.</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c385t-e24d3e8f2d4d9ca93d59cf3cdb60db9688b14998d117c0530974deb44f3b76653</citedby><cites>FETCH-LOGICAL-c385t-e24d3e8f2d4d9ca93d59cf3cdb60db9688b14998d117c0530974deb44f3b76653</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://link.springer.com/content/pdf/10.1007/s11663-019-01579-z$$EPDF$$P50$$Gspringer$$H</linktopdf><linktohtml>$$Uhttps://link.springer.com/10.1007/s11663-019-01579-z$$EHTML$$P50$$Gspringer$$H</linktohtml><link.rule.ids>314,776,780,27901,27902,41464,42533,51294</link.rule.ids></links><search><creatorcontrib>Yang, Jian</creatorcontrib><creatorcontrib>Zhang, Jianqiang</creatorcontrib><creatorcontrib>Ostrovski, Oleg</creatorcontrib><creatorcontrib>Zhang, Chen</creatorcontrib><creatorcontrib>Cai, Dexiang</creatorcontrib><title>Effects of Fluorine on Solidification, Viscosity, Structure, and Heat Transfer of CaO-Al2O3-Based Mold Fluxes</title><title>Metallurgical and materials transactions. B, Process metallurgy and materials processing science</title><addtitle>Metall Mater Trans B</addtitle><description>To mitigate the chemical reaction between mold fluxes and high-Al steel, CaO-Al
2
O
3
-based mold fluxes were proposed to replace the conventional CaO-SiO
2
-based mold fluxes. However, the high viscosity of CaO-Al
2
O
3
-based mold fluxes is harmful to the lubrication to the strand. In this article, the effects of fluorine on solidification, viscosity, structure, and heat transfer of CaO-Al
2
O
3
-based mold fluxes were evaluated. The addition of fluorine increased the break temperature and decreased the heat transfer rate of mold fluxes. It also reduced the flux viscosity at 1673 K (1400 °C) when fluorine content increased from 4.0 to 6.9 mass pct; but a further increase of fluorine to 12.5 mass pct did not notably change the flux viscosity. This phenomenon was correlated to the synergic effects of the dissociation of flux network and the increased potential of nucleation at high temperature with the fluorine addition.</description><subject>Aluminum oxide</subject><subject>Characterization and Evaluation of Materials</subject><subject>Chemical reactions</subject><subject>Chemistry and Materials Science</subject><subject>Fluorine</subject><subject>Heat transfer</subject><subject>High temperature</subject><subject>Lubrication</subject><subject>Materials Science</subject><subject>Metallic Materials</subject><subject>Mold fluxes</subject><subject>Nanotechnology</subject><subject>Nucleation</subject><subject>Organic chemistry</subject><subject>Silicon dioxide</subject><subject>Solidification</subject><subject>Structural Materials</subject><subject>Surfaces and Interfaces</subject><subject>Thin Films</subject><subject>Viscosity</subject><issn>1073-5615</issn><issn>1543-1916</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2019</creationdate><recordtype>article</recordtype><sourceid>BENPR</sourceid><recordid>eNp9kM1KAzEURoMoWKsv4CrgttFkMslMlrVYK1S6aHUbMvmRlOmkJjNg-_TOWMGdi8u9i-87Fw4AtwTfE4yLh0QI5xRhIvphhUDHMzAiLKeICMLP-xsXFDFO2CW4SmmLMeZC0BHYPTlndZtgcHBedyH6xsLQwHWovfHOa9X60Ezgu086JN8eJnDdxk63XbQTqBoDF1a1cBNVk5yNA2amVmhaZyuKHlWyBr6G2gzsL5uuwYVTdbI3v3sM3uZPm9kCLVfPL7PpEmlashbZLDfUli4zuRFaCWqY0I5qU3FsKsHLsiK5EKUhpNCYUSyK3Ngqzx2tCs4ZHYO7E3cfw2dnUyu3oYtN_1JmGckoZSUdUtkppWNIKVon99HvVDxIguWgVZ60yl6r_NEqj32JnkqpDzcfNv6h_2l9A1n3epg</recordid><startdate>20190815</startdate><enddate>20190815</enddate><creator>Yang, Jian</creator><creator>Zhang, Jianqiang</creator><creator>Ostrovski, Oleg</creator><creator>Zhang, Chen</creator><creator>Cai, Dexiang</creator><general>Springer US</general><general>Springer Nature B.V</general><scope>AAYXX</scope><scope>CITATION</scope><scope>3V.</scope><scope>4T-</scope><scope>4U-</scope><scope>7SR</scope><scope>7XB</scope><scope>88I</scope><scope>8AF</scope><scope>8AO</scope><scope>8BQ</scope><scope>8FD</scope><scope>8FE</scope><scope>8FG</scope><scope>8FK</scope><scope>ABJCF</scope><scope>ABUWG</scope><scope>AFKRA</scope><scope>AZQEC</scope><scope>BENPR</scope><scope>BGLVJ</scope><scope>CCPQU</scope><scope>D1I</scope><scope>DWQXO</scope><scope>GNUQQ</scope><scope>HCIFZ</scope><scope>JG9</scope><scope>KB.</scope><scope>L6V</scope><scope>M2P</scope><scope>M7S</scope><scope>PDBOC</scope><scope>PQEST</scope><scope>PQQKQ</scope><scope>PQUKI</scope><scope>PRINS</scope><scope>PTHSS</scope><scope>Q9U</scope><scope>S0X</scope></search><sort><creationdate>20190815</creationdate><title>Effects of Fluorine on Solidification, Viscosity, Structure, and Heat Transfer of CaO-Al2O3-Based Mold Fluxes</title><author>Yang, Jian ; Zhang, Jianqiang ; Ostrovski, Oleg ; Zhang, Chen ; Cai, Dexiang</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c385t-e24d3e8f2d4d9ca93d59cf3cdb60db9688b14998d117c0530974deb44f3b76653</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2019</creationdate><topic>Aluminum oxide</topic><topic>Characterization and Evaluation of Materials</topic><topic>Chemical reactions</topic><topic>Chemistry and Materials Science</topic><topic>Fluorine</topic><topic>Heat transfer</topic><topic>High temperature</topic><topic>Lubrication</topic><topic>Materials Science</topic><topic>Metallic Materials</topic><topic>Mold fluxes</topic><topic>Nanotechnology</topic><topic>Nucleation</topic><topic>Organic chemistry</topic><topic>Silicon dioxide</topic><topic>Solidification</topic><topic>Structural Materials</topic><topic>Surfaces and Interfaces</topic><topic>Thin Films</topic><topic>Viscosity</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Yang, Jian</creatorcontrib><creatorcontrib>Zhang, Jianqiang</creatorcontrib><creatorcontrib>Ostrovski, Oleg</creatorcontrib><creatorcontrib>Zhang, Chen</creatorcontrib><creatorcontrib>Cai, Dexiang</creatorcontrib><collection>CrossRef</collection><collection>ProQuest Central (Corporate)</collection><collection>Docstoc</collection><collection>University Readers</collection><collection>Engineered Materials Abstracts</collection><collection>ProQuest Central (purchase pre-March 2016)</collection><collection>Science Database (Alumni Edition)</collection><collection>STEM Database</collection><collection>ProQuest Pharma Collection</collection><collection>METADEX</collection><collection>Technology Research Database</collection><collection>ProQuest SciTech Collection</collection><collection>ProQuest Technology Collection</collection><collection>ProQuest Central (Alumni) (purchase pre-March 2016)</collection><collection>Materials Science & Engineering Collection</collection><collection>ProQuest Central (Alumni Edition)</collection><collection>ProQuest Central UK/Ireland</collection><collection>ProQuest Central Essentials</collection><collection>ProQuest Central</collection><collection>Technology Collection (ProQuest)</collection><collection>ProQuest One Community College</collection><collection>ProQuest Materials Science Collection</collection><collection>ProQuest Central Korea</collection><collection>ProQuest Central Student</collection><collection>SciTech Premium Collection</collection><collection>Materials Research Database</collection><collection>Materials Science Database</collection><collection>ProQuest Engineering Collection</collection><collection>Science Database</collection><collection>Engineering Database</collection><collection>Materials Science Collection</collection><collection>ProQuest One Academic Eastern Edition (DO NOT USE)</collection><collection>ProQuest One Academic</collection><collection>ProQuest One Academic UKI Edition</collection><collection>ProQuest Central China</collection><collection>Engineering Collection</collection><collection>ProQuest Central Basic</collection><collection>SIRS Editorial</collection><jtitle>Metallurgical and materials transactions. B, Process metallurgy and materials processing science</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Yang, Jian</au><au>Zhang, Jianqiang</au><au>Ostrovski, Oleg</au><au>Zhang, Chen</au><au>Cai, Dexiang</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Effects of Fluorine on Solidification, Viscosity, Structure, and Heat Transfer of CaO-Al2O3-Based Mold Fluxes</atitle><jtitle>Metallurgical and materials transactions. B, Process metallurgy and materials processing science</jtitle><stitle>Metall Mater Trans B</stitle><date>2019-08-15</date><risdate>2019</risdate><volume>50</volume><issue>4</issue><spage>1766</spage><epage>1772</epage><pages>1766-1772</pages><issn>1073-5615</issn><eissn>1543-1916</eissn><abstract>To mitigate the chemical reaction between mold fluxes and high-Al steel, CaO-Al
2
O
3
-based mold fluxes were proposed to replace the conventional CaO-SiO
2
-based mold fluxes. However, the high viscosity of CaO-Al
2
O
3
-based mold fluxes is harmful to the lubrication to the strand. In this article, the effects of fluorine on solidification, viscosity, structure, and heat transfer of CaO-Al
2
O
3
-based mold fluxes were evaluated. The addition of fluorine increased the break temperature and decreased the heat transfer rate of mold fluxes. It also reduced the flux viscosity at 1673 K (1400 °C) when fluorine content increased from 4.0 to 6.9 mass pct; but a further increase of fluorine to 12.5 mass pct did not notably change the flux viscosity. This phenomenon was correlated to the synergic effects of the dissociation of flux network and the increased potential of nucleation at high temperature with the fluorine addition.</abstract><cop>New York</cop><pub>Springer US</pub><doi>10.1007/s11663-019-01579-z</doi><tpages>7</tpages></addata></record> |
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| subjects | Aluminum oxide Characterization and Evaluation of Materials Chemical reactions Chemistry and Materials Science Fluorine Heat transfer High temperature Lubrication Materials Science Metallic Materials Mold fluxes Nanotechnology Nucleation Organic chemistry Silicon dioxide Solidification Structural Materials Surfaces and Interfaces Thin Films Viscosity |
| title | Effects of Fluorine on Solidification, Viscosity, Structure, and Heat Transfer of CaO-Al2O3-Based Mold Fluxes |
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