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Effects of B2O3 on Crystallization, Structure, and Heat Transfer of CaO-Al2O3-Based Mold Fluxes
The reaction between traditional CaO-SiO 2 -based mold fluxes and high-Al steel inevitably changes flux composition, and, consequently, flux properties. This problem can be mitigated by using CaO-Al 2 O 3 -based mold fluxes. To maintain appropriate melting properties, CaO-Al 2 O 3 -based mold fluxes...
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| Published in: | Metallurgical and materials transactions. B, Process metallurgy and materials processing science Process metallurgy and materials processing science, 2019-02, Vol.50 (1), p.291-303 |
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| cites | cdi_FETCH-LOGICAL-c382t-1f7056527b74ff2a87eb50fb1ef51edc9e0d47989c459b204558c61917645dd63 |
| container_end_page | 303 |
| container_issue | 1 |
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| container_title | Metallurgical and materials transactions. B, Process metallurgy and materials processing science |
| container_volume | 50 |
| creator | Yang, Jian Zhang, Jianqiang Ostrovski, Oleg Zhang, Chen Cai, Dexiang |
| description | The reaction between traditional CaO-SiO
2
-based mold fluxes and high-Al steel inevitably changes flux composition, and, consequently, flux properties. This problem can be mitigated by using CaO-Al
2
O
3
-based mold fluxes. To maintain appropriate melting properties, CaO-Al
2
O
3
-based mold fluxes contain B
2
O
3
, which is an effective fluxing agent that decreases the liquidus temperature. In this article, the effects of B
2
O
3
on crystallization behavior, structure, and heat transfer of CaO-Al
2
O
3
-based mold fluxes were studied using single/double hot thermocouple technique, Raman spectroscopy, and infrared emitter technique. The increase of B
2
O
3
content from 7.6 to 13.1 mass pct suppressed the crystallization tendency of mold fluxes in continuous cooling experiments and isothermal experiments conducted over 1273 K (1000 °C). The isothermal crystallization below 1273 K (1000 °C) was also inhibited when B
2
O
3
content increased from 7.6 to 9.6 mass pct; but a further increase of B
2
O
3
content to 13.1 mass pct did not show a visible effect on the crystallization tendency. The increase of B
2
O
3
content from 9.6 to 13.1 mass pct improved the heat fluxes under an incident thermal radiation of 1.6 MW/m
2
; however, the increase of B
2
O
3
content from 7.6 to 9.6 mass pct slightly decreased the heat transfer rate. Crystallization of fluxes and heat transfer were discussed in relation to flux structure. |
| doi_str_mv | 10.1007/s11663-018-1467-5 |
| format | article |
| fullrecord | <record><control><sourceid>proquest_cross</sourceid><recordid>TN_cdi_proquest_journals_2139826544</recordid><sourceformat>XML</sourceformat><sourcesystem>PC</sourcesystem><sourcerecordid>2139826544</sourcerecordid><originalsourceid>FETCH-LOGICAL-c382t-1f7056527b74ff2a87eb50fb1ef51edc9e0d47989c459b204558c61917645dd63</originalsourceid><addsrcrecordid>eNp1kM1KAzEURoMoWKsP4C7gttH8Z7Jsh9YKlS6s65CZSaRlnKlJBtSnN2UEV67uXXznu9wDwC3B9wRj9RAJkZIhTApEuFRInIEJEZwhook8zztWDAlJxCW4ivGAMZZaswkwS-9dnSLsPVzQLYN9B8vwFZNt2_23Tfu-m8GXFIY6DcHNoO0auHY2wV2wXfQunMDSbtG8zTRa2Oga-Ny3DVy1w6eL1-DC2za6m985Ba-r5a5co8328amcb1DNCpoQ8QoLKaiqFPee2kK5SmBfEecFcU2tHW640oWuudAVxVyIopb5NyW5aBrJpuBu7D2G_mNwMZlDP4QunzSUMF1QKTjPKTKm6tDHGJw3x7B_t-HLEGxOHs3o0WSP5uTRiMzQkYk527258Nf8P_QDjnNyxQ</addsrcrecordid><sourcetype>Aggregation Database</sourcetype><iscdi>true</iscdi><recordtype>article</recordtype><pqid>2139826544</pqid></control><display><type>article</type><title>Effects of B2O3 on Crystallization, Structure, and Heat Transfer of CaO-Al2O3-Based Mold Fluxes</title><source>Springer Nature</source><creator>Yang, Jian ; Zhang, Jianqiang ; Ostrovski, Oleg ; Zhang, Chen ; Cai, Dexiang</creator><creatorcontrib>Yang, Jian ; Zhang, Jianqiang ; Ostrovski, Oleg ; Zhang, Chen ; Cai, Dexiang</creatorcontrib><description>The reaction between traditional CaO-SiO
2
-based mold fluxes and high-Al steel inevitably changes flux composition, and, consequently, flux properties. This problem can be mitigated by using CaO-Al
2
O
3
-based mold fluxes. To maintain appropriate melting properties, CaO-Al
2
O
3
-based mold fluxes contain B
2
O
3
, which is an effective fluxing agent that decreases the liquidus temperature. In this article, the effects of B
2
O
3
on crystallization behavior, structure, and heat transfer of CaO-Al
2
O
3
-based mold fluxes were studied using single/double hot thermocouple technique, Raman spectroscopy, and infrared emitter technique. The increase of B
2
O
3
content from 7.6 to 13.1 mass pct suppressed the crystallization tendency of mold fluxes in continuous cooling experiments and isothermal experiments conducted over 1273 K (1000 °C). The isothermal crystallization below 1273 K (1000 °C) was also inhibited when B
2
O
3
content increased from 7.6 to 9.6 mass pct; but a further increase of B
2
O
3
content to 13.1 mass pct did not show a visible effect on the crystallization tendency. The increase of B
2
O
3
content from 9.6 to 13.1 mass pct improved the heat fluxes under an incident thermal radiation of 1.6 MW/m
2
; however, the increase of B
2
O
3
content from 7.6 to 9.6 mass pct slightly decreased the heat transfer rate. Crystallization of fluxes and heat transfer were discussed in relation to flux structure.</description><identifier>ISSN: 1073-5615</identifier><identifier>EISSN: 1543-1916</identifier><identifier>DOI: 10.1007/s11663-018-1467-5</identifier><language>eng</language><publisher>New York: Springer US</publisher><subject>Aluminum oxide ; Boron oxides ; Characterization and Evaluation of Materials ; Chemistry and Materials Science ; Crystallization ; Emitters ; Fluxing ; Heat flux ; Heat transfer ; Heat treating ; Liquidus ; Materials Science ; Metallic Materials ; Mold fluxes ; Nanotechnology ; Raman spectroscopy ; Silicon dioxide ; Structural Materials ; Surfaces and Interfaces ; Thermal radiation ; Thermocouples ; Thin Films</subject><ispartof>Metallurgical and materials transactions. B, Process metallurgy and materials processing science, 2019-02, Vol.50 (1), p.291-303</ispartof><rights>The Minerals, Metals & Materials Society and ASM International 2018</rights><rights>Metallurgical and Materials Transactions B is a copyright of Springer, (2018). All Rights Reserved.</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c382t-1f7056527b74ff2a87eb50fb1ef51edc9e0d47989c459b204558c61917645dd63</citedby><cites>FETCH-LOGICAL-c382t-1f7056527b74ff2a87eb50fb1ef51edc9e0d47989c459b204558c61917645dd63</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,776,780,27901,27902</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 B2O3 on Crystallization, 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>The reaction between traditional CaO-SiO
2
-based mold fluxes and high-Al steel inevitably changes flux composition, and, consequently, flux properties. This problem can be mitigated by using CaO-Al
2
O
3
-based mold fluxes. To maintain appropriate melting properties, CaO-Al
2
O
3
-based mold fluxes contain B
2
O
3
, which is an effective fluxing agent that decreases the liquidus temperature. In this article, the effects of B
2
O
3
on crystallization behavior, structure, and heat transfer of CaO-Al
2
O
3
-based mold fluxes were studied using single/double hot thermocouple technique, Raman spectroscopy, and infrared emitter technique. The increase of B
2
O
3
content from 7.6 to 13.1 mass pct suppressed the crystallization tendency of mold fluxes in continuous cooling experiments and isothermal experiments conducted over 1273 K (1000 °C). The isothermal crystallization below 1273 K (1000 °C) was also inhibited when B
2
O
3
content increased from 7.6 to 9.6 mass pct; but a further increase of B
2
O
3
content to 13.1 mass pct did not show a visible effect on the crystallization tendency. The increase of B
2
O
3
content from 9.6 to 13.1 mass pct improved the heat fluxes under an incident thermal radiation of 1.6 MW/m
2
; however, the increase of B
2
O
3
content from 7.6 to 9.6 mass pct slightly decreased the heat transfer rate. Crystallization of fluxes and heat transfer were discussed in relation to flux structure.</description><subject>Aluminum oxide</subject><subject>Boron oxides</subject><subject>Characterization and Evaluation of Materials</subject><subject>Chemistry and Materials Science</subject><subject>Crystallization</subject><subject>Emitters</subject><subject>Fluxing</subject><subject>Heat flux</subject><subject>Heat transfer</subject><subject>Heat treating</subject><subject>Liquidus</subject><subject>Materials Science</subject><subject>Metallic Materials</subject><subject>Mold fluxes</subject><subject>Nanotechnology</subject><subject>Raman spectroscopy</subject><subject>Silicon dioxide</subject><subject>Structural Materials</subject><subject>Surfaces and Interfaces</subject><subject>Thermal radiation</subject><subject>Thermocouples</subject><subject>Thin Films</subject><issn>1073-5615</issn><issn>1543-1916</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2019</creationdate><recordtype>article</recordtype><recordid>eNp1kM1KAzEURoMoWKsP4C7gttH8Z7Jsh9YKlS6s65CZSaRlnKlJBtSnN2UEV67uXXznu9wDwC3B9wRj9RAJkZIhTApEuFRInIEJEZwhook8zztWDAlJxCW4ivGAMZZaswkwS-9dnSLsPVzQLYN9B8vwFZNt2_23Tfu-m8GXFIY6DcHNoO0auHY2wV2wXfQunMDSbtG8zTRa2Oga-Ny3DVy1w6eL1-DC2za6m985Ba-r5a5co8328amcb1DNCpoQ8QoLKaiqFPee2kK5SmBfEecFcU2tHW640oWuudAVxVyIopb5NyW5aBrJpuBu7D2G_mNwMZlDP4QunzSUMF1QKTjPKTKm6tDHGJw3x7B_t-HLEGxOHs3o0WSP5uTRiMzQkYk527258Nf8P_QDjnNyxQ</recordid><startdate>20190215</startdate><enddate>20190215</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>20190215</creationdate><title>Effects of B2O3 on Crystallization, 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-c382t-1f7056527b74ff2a87eb50fb1ef51edc9e0d47989c459b204558c61917645dd63</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2019</creationdate><topic>Aluminum oxide</topic><topic>Boron oxides</topic><topic>Characterization and Evaluation of Materials</topic><topic>Chemistry and Materials Science</topic><topic>Crystallization</topic><topic>Emitters</topic><topic>Fluxing</topic><topic>Heat flux</topic><topic>Heat transfer</topic><topic>Heat treating</topic><topic>Liquidus</topic><topic>Materials Science</topic><topic>Metallic Materials</topic><topic>Mold fluxes</topic><topic>Nanotechnology</topic><topic>Raman spectroscopy</topic><topic>Silicon dioxide</topic><topic>Structural Materials</topic><topic>Surfaces and Interfaces</topic><topic>Thermal radiation</topic><topic>Thermocouples</topic><topic>Thin Films</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 Database (Proquest)</collection><collection>ProQuest Central (Alumni)</collection><collection>ProQuest Central UK/Ireland</collection><collection>ProQuest Central Essentials</collection><collection>ProQuest Central</collection><collection>Technology Collection</collection><collection>ProQuest One Community College</collection><collection>ProQuest Materials Science Collection</collection><collection>ProQuest Central</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>ProQuest Science Journals</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 B2O3 on Crystallization, 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>2019-02-15</date><risdate>2019</risdate><volume>50</volume><issue>1</issue><spage>291</spage><epage>303</epage><pages>291-303</pages><issn>1073-5615</issn><eissn>1543-1916</eissn><abstract>The reaction between traditional CaO-SiO
2
-based mold fluxes and high-Al steel inevitably changes flux composition, and, consequently, flux properties. This problem can be mitigated by using CaO-Al
2
O
3
-based mold fluxes. To maintain appropriate melting properties, CaO-Al
2
O
3
-based mold fluxes contain B
2
O
3
, which is an effective fluxing agent that decreases the liquidus temperature. In this article, the effects of B
2
O
3
on crystallization behavior, structure, and heat transfer of CaO-Al
2
O
3
-based mold fluxes were studied using single/double hot thermocouple technique, Raman spectroscopy, and infrared emitter technique. The increase of B
2
O
3
content from 7.6 to 13.1 mass pct suppressed the crystallization tendency of mold fluxes in continuous cooling experiments and isothermal experiments conducted over 1273 K (1000 °C). The isothermal crystallization below 1273 K (1000 °C) was also inhibited when B
2
O
3
content increased from 7.6 to 9.6 mass pct; but a further increase of B
2
O
3
content to 13.1 mass pct did not show a visible effect on the crystallization tendency. The increase of B
2
O
3
content from 9.6 to 13.1 mass pct improved the heat fluxes under an incident thermal radiation of 1.6 MW/m
2
; however, the increase of B
2
O
3
content from 7.6 to 9.6 mass pct slightly decreased the heat transfer rate. Crystallization of fluxes and heat transfer were discussed in relation to flux structure.</abstract><cop>New York</cop><pub>Springer US</pub><doi>10.1007/s11663-018-1467-5</doi><tpages>13</tpages></addata></record> |
| fulltext | fulltext |
| identifier | ISSN: 1073-5615 |
| ispartof | Metallurgical and materials transactions. B, Process metallurgy and materials processing science, 2019-02, Vol.50 (1), p.291-303 |
| issn | 1073-5615 1543-1916 |
| language | eng |
| recordid | cdi_proquest_journals_2139826544 |
| source | Springer Nature |
| subjects | Aluminum oxide Boron oxides Characterization and Evaluation of Materials Chemistry and Materials Science Crystallization Emitters Fluxing Heat flux Heat transfer Heat treating Liquidus Materials Science Metallic Materials Mold fluxes Nanotechnology Raman spectroscopy Silicon dioxide Structural Materials Surfaces and Interfaces Thermal radiation Thermocouples Thin Films |
| title | Effects of B2O3 on Crystallization, Structure, and Heat Transfer of CaO-Al2O3-Based Mold Fluxes |
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