Effect of High-Energy Ball Milling and Silica Fume Addition in BaCO3-Al2O3. Part I: Formation of Cementing Phases
The effects of high‐energy ball milling and subsequent calcination on the formation of barium aluminate cementing phases using mixtures of Al2O3 and BaCO3 were investigated. Silica fume was further added in the raw mixtures to observe its role on the cementing phase formation. Results indicated that...
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| Veröffentlicht in: | Journal of the American Ceramic Society 2014-12, Vol.97 (12), p.3755-3763 |
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| creator | Kumar, Pattem Hemanth Srivastava, Abhinav Kumar, Vijay Kumar, Pradeep Singh, Vinay Kumar |
| description | The effects of high‐energy ball milling and subsequent calcination on the formation of barium aluminate cementing phases using mixtures of Al2O3 and BaCO3 were investigated. Silica fume was further added in the raw mixtures to observe its role on the cementing phase formation. Results indicated that the decomposition temperature of BaCO3 lowered remarkably with the increase in milling time. Barium aluminate cements with grain size in nanometer range were obtained from high‐energy ball‐milled raw mixtures. X‐ray diffraction (XRD) results confirmed several crystalline barium‐silicate and barium aluminate phases present. Formation of crystalline BaO·Al2O3 phase was observed between 1000°C and 1100°C in the raw mixtures, which were obtained in amorphous state after milling for 5 h. This temperature is at least 300°C lower than that used in the traditional solid‐state method. Fume SiO2 additions resulted in BaO·Al2O3·2SiO2 (celsian) formation which acted as a retarder, provides more workability and mechanical strength. |
| doi_str_mv | 10.1111/jace.13173 |
| format | Article |
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Part I: Formation of Cementing Phases</title><source>Wiley-Blackwell Journals</source><creator>Kumar, Pattem Hemanth ; Srivastava, Abhinav ; Kumar, Vijay ; Kumar, Pradeep ; Singh, Vinay Kumar</creator><contributor>Rigaud, M.</contributor><creatorcontrib>Kumar, Pattem Hemanth ; Srivastava, Abhinav ; Kumar, Vijay ; Kumar, Pradeep ; Singh, Vinay Kumar ; Rigaud, M.</creatorcontrib><description>The effects of high‐energy ball milling and subsequent calcination on the formation of barium aluminate cementing phases using mixtures of Al2O3 and BaCO3 were investigated. Silica fume was further added in the raw mixtures to observe its role on the cementing phase formation. Results indicated that the decomposition temperature of BaCO3 lowered remarkably with the increase in milling time. Barium aluminate cements with grain size in nanometer range were obtained from high‐energy ball‐milled raw mixtures. X‐ray diffraction (XRD) results confirmed several crystalline barium‐silicate and barium aluminate phases present. Formation of crystalline BaO·Al2O3 phase was observed between 1000°C and 1100°C in the raw mixtures, which were obtained in amorphous state after milling for 5 h. This temperature is at least 300°C lower than that used in the traditional solid‐state method. Fume SiO2 additions resulted in BaO·Al2O3·2SiO2 (celsian) formation which acted as a retarder, provides more workability and mechanical strength.</description><identifier>ISSN: 0002-7820</identifier><identifier>EISSN: 1551-2916</identifier><identifier>DOI: 10.1111/jace.13173</identifier><language>eng</language><publisher>Columbus: Blackwell Publishing Ltd</publisher><subject>Aluminates ; Aluminum oxide ; Ball milling ; Barium ; Barium oxides ; Celsian ; Cementing ; Cements ; Crystal structure ; Crystallinity ; Formations ; Phases ; Raw ; Silica fume ; Silicon dioxide ; Workability ; X-ray diffraction</subject><ispartof>Journal of the American Ceramic Society, 2014-12, Vol.97 (12), p.3755-3763</ispartof><rights>2014 The American Ceramic Society</rights><rights>2014 American Ceramic Society</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://onlinelibrary.wiley.com/doi/pdf/10.1111%2Fjace.13173$$EPDF$$P50$$Gwiley$$H</linktopdf><linktohtml>$$Uhttps://onlinelibrary.wiley.com/doi/full/10.1111%2Fjace.13173$$EHTML$$P50$$Gwiley$$H</linktohtml><link.rule.ids>314,780,784,1417,27924,27925,45574,45575</link.rule.ids></links><search><contributor>Rigaud, M.</contributor><creatorcontrib>Kumar, Pattem Hemanth</creatorcontrib><creatorcontrib>Srivastava, Abhinav</creatorcontrib><creatorcontrib>Kumar, Vijay</creatorcontrib><creatorcontrib>Kumar, Pradeep</creatorcontrib><creatorcontrib>Singh, Vinay Kumar</creatorcontrib><title>Effect of High-Energy Ball Milling and Silica Fume Addition in BaCO3-Al2O3. Part I: Formation of Cementing Phases</title><title>Journal of the American Ceramic Society</title><addtitle>J. Am. Ceram. Soc</addtitle><description>The effects of high‐energy ball milling and subsequent calcination on the formation of barium aluminate cementing phases using mixtures of Al2O3 and BaCO3 were investigated. Silica fume was further added in the raw mixtures to observe its role on the cementing phase formation. Results indicated that the decomposition temperature of BaCO3 lowered remarkably with the increase in milling time. Barium aluminate cements with grain size in nanometer range were obtained from high‐energy ball‐milled raw mixtures. X‐ray diffraction (XRD) results confirmed several crystalline barium‐silicate and barium aluminate phases present. Formation of crystalline BaO·Al2O3 phase was observed between 1000°C and 1100°C in the raw mixtures, which were obtained in amorphous state after milling for 5 h. This temperature is at least 300°C lower than that used in the traditional solid‐state method. Fume SiO2 additions resulted in BaO·Al2O3·2SiO2 (celsian) formation which acted as a retarder, provides more workability and mechanical strength.</description><subject>Aluminates</subject><subject>Aluminum oxide</subject><subject>Ball milling</subject><subject>Barium</subject><subject>Barium oxides</subject><subject>Celsian</subject><subject>Cementing</subject><subject>Cements</subject><subject>Crystal structure</subject><subject>Crystallinity</subject><subject>Formations</subject><subject>Phases</subject><subject>Raw</subject><subject>Silica fume</subject><subject>Silicon dioxide</subject><subject>Workability</subject><subject>X-ray diffraction</subject><issn>0002-7820</issn><issn>1551-2916</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2014</creationdate><recordtype>article</recordtype><recordid>eNpdkEtPGzEUha0KpIbApr_AUjdsJvVj_OouHSUBBAQJKpaW8djBwTMD44lo_j1OgrrAGx9ffef46gDwA6MJzufX2lg3wRQL-g2MMGO4IArzIzBCCJFCSIK-g5OU1vmJlSxH4G3mvbMD7Dy8CKvnYta6frWFf0yM8CbEGNoVNG0N70MM1sD5pnFwWtdhCF0LQ5vBakmLaSRLOoF3ph_g5W847_rG7IkcW7nGtcMu5-7ZJJdOwbE3Mbmzz3sM_s5nD9VFcb1cXFbT62JFGKGFJ7aWRCmhSmqUJCxLa4m3zPM8UlljSUtLBaoVIpgh7p-4esKSC88FoWNwfsh97bu3jUuDbkKyLkbTum6TNOYMlxgJxDL68wu67jZ9m7fTBEklsSzzX2OAD9R7iG6rX_vQmH6rMdK76vWuer2vXl9Nq9leZU9x8IQ0uH__PaZ_0VxQwfTj7UIrNmePDwuuBf0A_NmDag</recordid><startdate>201412</startdate><enddate>201412</enddate><creator>Kumar, Pattem Hemanth</creator><creator>Srivastava, Abhinav</creator><creator>Kumar, Vijay</creator><creator>Kumar, Pradeep</creator><creator>Singh, Vinay Kumar</creator><general>Blackwell Publishing Ltd</general><general>Wiley Subscription Services, Inc</general><scope>BSCLL</scope><scope>7QQ</scope><scope>7SR</scope><scope>8FD</scope><scope>JG9</scope><scope>7QF</scope><scope>7U5</scope><scope>L7M</scope></search><sort><creationdate>201412</creationdate><title>Effect of High-Energy Ball Milling and Silica Fume Addition in BaCO3-Al2O3. 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Part I: Formation of Cementing Phases</atitle><jtitle>Journal of the American Ceramic Society</jtitle><addtitle>J. Am. Ceram. Soc</addtitle><date>2014-12</date><risdate>2014</risdate><volume>97</volume><issue>12</issue><spage>3755</spage><epage>3763</epage><pages>3755-3763</pages><issn>0002-7820</issn><eissn>1551-2916</eissn><abstract>The effects of high‐energy ball milling and subsequent calcination on the formation of barium aluminate cementing phases using mixtures of Al2O3 and BaCO3 were investigated. Silica fume was further added in the raw mixtures to observe its role on the cementing phase formation. Results indicated that the decomposition temperature of BaCO3 lowered remarkably with the increase in milling time. Barium aluminate cements with grain size in nanometer range were obtained from high‐energy ball‐milled raw mixtures. X‐ray diffraction (XRD) results confirmed several crystalline barium‐silicate and barium aluminate phases present. Formation of crystalline BaO·Al2O3 phase was observed between 1000°C and 1100°C in the raw mixtures, which were obtained in amorphous state after milling for 5 h. This temperature is at least 300°C lower than that used in the traditional solid‐state method. Fume SiO2 additions resulted in BaO·Al2O3·2SiO2 (celsian) formation which acted as a retarder, provides more workability and mechanical strength.</abstract><cop>Columbus</cop><pub>Blackwell Publishing Ltd</pub><doi>10.1111/jace.13173</doi><tpages>9</tpages></addata></record> |
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| subjects | Aluminates Aluminum oxide Ball milling Barium Barium oxides Celsian Cementing Cements Crystal structure Crystallinity Formations Phases Raw Silica fume Silicon dioxide Workability X-ray diffraction |
| title | Effect of High-Energy Ball Milling and Silica Fume Addition in BaCO3-Al2O3. Part I: Formation of Cementing Phases |
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