Effects of Antioxidants Particle Size on Oxidation Resistance of MgO-C Refractory
In this study, Si and SiC powder with a critical particle size ranged from 0.1 to 0.4mm was added into MgO-C refractory as antioxidants. At 1200°C in air atmosphere, oxidation weight losses of cylindrical specimens with additives were measured and the effective diffusion coefficient of oxygen in ref...
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| Veröffentlicht in: | Key engineering materials 2019-09, Vol.821, p.452-456 |
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| creator | Mei, Guo Hui Zhao, Shu Mao Zhang, Jiu |
| description | In this study, Si and SiC powder with a critical particle size ranged from 0.1 to 0.4mm was added into MgO-C refractory as antioxidants. At 1200°C in air atmosphere, oxidation weight losses of cylindrical specimens with additives were measured and the effective diffusion coefficient of oxygen in refractories was calculated from the results. Thus, the effects of antioxidants particle size on the oxidation resistance were researched. The result shows that the particle size of antioxidant has a considerable influence on oxidation resistance of material. The oxidation resistance of MgO-C refractories increased at first as the critical particle size of Si powder increased from 0.1 to 0.2mm and then decreased as the critical particle size increased up to 0.4mm, while the oxidation resistance of MgO-C refractories decreased as the critical particle size of SiC additives increased from 0.1 to 0.4mm. The minimum effective diffusion coefficients of oxygen in MgO-C refractories added by Si and SiC were 10.90 and 14.09cm2/min, individually. |
| doi_str_mv | 10.4028/www.scientific.net/KEM.821.452 |
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At 1200°C in air atmosphere, oxidation weight losses of cylindrical specimens with additives were measured and the effective diffusion coefficient of oxygen in refractories was calculated from the results. Thus, the effects of antioxidants particle size on the oxidation resistance were researched. The result shows that the particle size of antioxidant has a considerable influence on oxidation resistance of material. The oxidation resistance of MgO-C refractories increased at first as the critical particle size of Si powder increased from 0.1 to 0.2mm and then decreased as the critical particle size increased up to 0.4mm, while the oxidation resistance of MgO-C refractories decreased as the critical particle size of SiC additives increased from 0.1 to 0.4mm. The minimum effective diffusion coefficients of oxygen in MgO-C refractories added by Si and SiC were 10.90 and 14.09cm2/min, individually.</description><identifier>ISSN: 1013-9826</identifier><identifier>ISSN: 1662-9795</identifier><identifier>EISSN: 1662-9795</identifier><identifier>DOI: 10.4028/www.scientific.net/KEM.821.452</identifier><language>eng</language><publisher>Zurich: Trans Tech Publications Ltd</publisher><subject>Additives ; Antioxidants ; Diffusion coefficient ; Magnesium oxide ; Oxidation ; Oxidation resistance ; Particle size ; Refractories ; Refractory materials ; Silicon carbide</subject><ispartof>Key engineering materials, 2019-09, Vol.821, p.452-456</ispartof><rights>2019 Trans Tech Publications Ltd</rights><rights>Copyright Trans Tech Publications Ltd. Sep 2019</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><cites>FETCH-LOGICAL-c2102-40b8c4a818408ccb91b927ebf6dec6c5ee7986df82d5de5f1e822476db58dbbd3</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Uhttps://www.scientific.net/Image/TitleCover/4830?width=600</thumbnail><link.rule.ids>314,776,780,27901,27902</link.rule.ids></links><search><creatorcontrib>Mei, Guo Hui</creatorcontrib><creatorcontrib>Zhao, Shu Mao</creatorcontrib><creatorcontrib>Zhang, Jiu</creatorcontrib><title>Effects of Antioxidants Particle Size on Oxidation Resistance of MgO-C Refractory</title><title>Key engineering materials</title><description>In this study, Si and SiC powder with a critical particle size ranged from 0.1 to 0.4mm was added into MgO-C refractory as antioxidants. At 1200°C in air atmosphere, oxidation weight losses of cylindrical specimens with additives were measured and the effective diffusion coefficient of oxygen in refractories was calculated from the results. Thus, the effects of antioxidants particle size on the oxidation resistance were researched. The result shows that the particle size of antioxidant has a considerable influence on oxidation resistance of material. The oxidation resistance of MgO-C refractories increased at first as the critical particle size of Si powder increased from 0.1 to 0.2mm and then decreased as the critical particle size increased up to 0.4mm, while the oxidation resistance of MgO-C refractories decreased as the critical particle size of SiC additives increased from 0.1 to 0.4mm. The minimum effective diffusion coefficients of oxygen in MgO-C refractories added by Si and SiC were 10.90 and 14.09cm2/min, individually.</description><subject>Additives</subject><subject>Antioxidants</subject><subject>Diffusion coefficient</subject><subject>Magnesium oxide</subject><subject>Oxidation</subject><subject>Oxidation resistance</subject><subject>Particle size</subject><subject>Refractories</subject><subject>Refractory materials</subject><subject>Silicon carbide</subject><issn>1013-9826</issn><issn>1662-9795</issn><issn>1662-9795</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2019</creationdate><recordtype>article</recordtype><sourceid>BENPR</sourceid><recordid>eNqNkE1PAyEURYnRxFr9D5OYuJsp0BmG2Ribpn7ENvVzTRh4KE1lKtDU-uulqYlbV48Hl3OTg9AFwUWJKR9sNpsiKAsuWmNV4SAO7iezglNSlBU9QD3CGM2buqkO0xmTYd5wyo7RSQgLjIeEk6qHHifGgIoh60w2SqTuy2rp0v4gfbRqCdmz_Yasc9l895ICLnuCYEOUTsHu1-xtno_TnfFSxc5vT9GRkcsAZ7-zj16vJy_j23w6v7kbj6a5ogTTvMQtV6XkhJeYK9U2pG1oDa1hGhRTFUDdcKYNp7rSUBkCnNKyZrqtuG5bPeyj8z135bvPNYQoFt3au1QpKOVNXXHGWUpd7lPKdyF4MGLl7Yf0W0Gw2GkUSaP40yiSRpE0iqRRJI0JcLUHRC9diKDe_3r-ifgBIKSEww</recordid><startdate>20190901</startdate><enddate>20190901</enddate><creator>Mei, Guo Hui</creator><creator>Zhao, Shu Mao</creator><creator>Zhang, Jiu</creator><general>Trans Tech Publications Ltd</general><scope>AAYXX</scope><scope>CITATION</scope><scope>7SR</scope><scope>8BQ</scope><scope>8FD</scope><scope>8FE</scope><scope>8FG</scope><scope>ABJCF</scope><scope>AFKRA</scope><scope>BENPR</scope><scope>BGLVJ</scope><scope>CCPQU</scope><scope>D1I</scope><scope>DWQXO</scope><scope>F28</scope><scope>FR3</scope><scope>HCIFZ</scope><scope>JG9</scope><scope>KB.</scope><scope>L6V</scope><scope>M7S</scope><scope>PDBOC</scope><scope>PQEST</scope><scope>PQQKQ</scope><scope>PQUKI</scope><scope>PRINS</scope><scope>PTHSS</scope></search><sort><creationdate>20190901</creationdate><title>Effects of Antioxidants Particle Size on Oxidation Resistance of MgO-C Refractory</title><author>Mei, Guo Hui ; Zhao, Shu Mao ; Zhang, Jiu</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c2102-40b8c4a818408ccb91b927ebf6dec6c5ee7986df82d5de5f1e822476db58dbbd3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2019</creationdate><topic>Additives</topic><topic>Antioxidants</topic><topic>Diffusion coefficient</topic><topic>Magnesium oxide</topic><topic>Oxidation</topic><topic>Oxidation resistance</topic><topic>Particle size</topic><topic>Refractories</topic><topic>Refractory materials</topic><topic>Silicon carbide</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Mei, Guo Hui</creatorcontrib><creatorcontrib>Zhao, Shu Mao</creatorcontrib><creatorcontrib>Zhang, Jiu</creatorcontrib><collection>CrossRef</collection><collection>Engineered Materials Abstracts</collection><collection>METADEX</collection><collection>Technology Research Database</collection><collection>ProQuest SciTech Collection</collection><collection>ProQuest Technology Collection</collection><collection>Materials Science & Engineering Collection</collection><collection>ProQuest Central UK/Ireland</collection><collection>ProQuest Central</collection><collection>Technology Collection</collection><collection>ProQuest One Community College</collection><collection>ProQuest Materials Science Collection</collection><collection>ProQuest Central Korea</collection><collection>ANTE: Abstracts in New Technology & Engineering</collection><collection>Engineering Research Database</collection><collection>SciTech Premium Collection</collection><collection>Materials Research Database</collection><collection>Materials Science Database</collection><collection>ProQuest Engineering Collection</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><jtitle>Key engineering materials</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Mei, Guo Hui</au><au>Zhao, Shu Mao</au><au>Zhang, Jiu</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Effects of Antioxidants Particle Size on Oxidation Resistance of MgO-C Refractory</atitle><jtitle>Key engineering materials</jtitle><date>2019-09-01</date><risdate>2019</risdate><volume>821</volume><spage>452</spage><epage>456</epage><pages>452-456</pages><issn>1013-9826</issn><issn>1662-9795</issn><eissn>1662-9795</eissn><abstract>In this study, Si and SiC powder with a critical particle size ranged from 0.1 to 0.4mm was added into MgO-C refractory as antioxidants. At 1200°C in air atmosphere, oxidation weight losses of cylindrical specimens with additives were measured and the effective diffusion coefficient of oxygen in refractories was calculated from the results. Thus, the effects of antioxidants particle size on the oxidation resistance were researched. The result shows that the particle size of antioxidant has a considerable influence on oxidation resistance of material. The oxidation resistance of MgO-C refractories increased at first as the critical particle size of Si powder increased from 0.1 to 0.2mm and then decreased as the critical particle size increased up to 0.4mm, while the oxidation resistance of MgO-C refractories decreased as the critical particle size of SiC additives increased from 0.1 to 0.4mm. The minimum effective diffusion coefficients of oxygen in MgO-C refractories added by Si and SiC were 10.90 and 14.09cm2/min, individually.</abstract><cop>Zurich</cop><pub>Trans Tech Publications Ltd</pub><doi>10.4028/www.scientific.net/KEM.821.452</doi><tpages>5</tpages></addata></record> |
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| subjects | Additives Antioxidants Diffusion coefficient Magnesium oxide Oxidation Oxidation resistance Particle size Refractories Refractory materials Silicon carbide |
| title | Effects of Antioxidants Particle Size on Oxidation Resistance of MgO-C Refractory |
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