Mechanical and physical properties of calcium silicate/alumina composite for biomedical engineering applications
The focus of this study is to investigate the effect of Al2O3 on α-calcium silicate (α-CaSiO3) ceramic. α-CaSiO3 was synthesized from CaO and SiO2 using mechanochemical method followed by calcinations at 1000°C. α-CaSiO3 and alumina were grinded using ball mill to create mixtures, containing 0–50w%...
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| Veröffentlicht in: | Journal of the mechanical behavior of biomedical materials 2014-02, Vol.30, p.168-175 |
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| container_title | Journal of the mechanical behavior of biomedical materials |
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| creator | Shirazi, F.S. Mehrali, M. Oshkour, A.A. Metselaar, H.S.C. Kadri, N.A. Abu Osman, N.A. |
| description | The focus of this study is to investigate the effect of Al2O3 on α-calcium silicate (α-CaSiO3) ceramic. α-CaSiO3 was synthesized from CaO and SiO2 using mechanochemical method followed by calcinations at 1000°C. α-CaSiO3 and alumina were grinded using ball mill to create mixtures, containing 0–50w% of Al2O3 loadings. The powders were uniaxially pressed and followed by cold isostatic pressing (CIP) in order to achieve greater uniformity of compaction and to increase the shape capability. Afterward, the compaction was sintered in a resistive element furnace at both 1150°C and 1250°C with a 5h holding time. It was found that alumina reacted with α-CaSiO3 and formed alumina-rich calcium aluminates after sintering. An addition of 15wt% of Al2O3 powder at 1250°C were found to improve the hardness and fracture toughness of the calcium silicate. It was also observed that the average grain sizes of α-CaSiO3 /Al2O3 composite were maintained 500–700nm after sintering process. |
| doi_str_mv | 10.1016/j.jmbbm.2013.10.024 |
| format | Article |
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The powders were uniaxially pressed and followed by cold isostatic pressing (CIP) in order to achieve greater uniformity of compaction and to increase the shape capability. Afterward, the compaction was sintered in a resistive element furnace at both 1150°C and 1250°C with a 5h holding time. It was found that alumina reacted with α-CaSiO3 and formed alumina-rich calcium aluminates after sintering. An addition of 15wt% of Al2O3 powder at 1250°C were found to improve the hardness and fracture toughness of the calcium silicate. It was also observed that the average grain sizes of α-CaSiO3 /Al2O3 composite were maintained 500–700nm after sintering process.</description><identifier>ISSN: 1751-6161</identifier><identifier>EISSN: 1878-0180</identifier><identifier>DOI: 10.1016/j.jmbbm.2013.10.024</identifier><identifier>PMID: 24316872</identifier><language>eng</language><publisher>Netherlands: Elsevier Ltd</publisher><subject>Alumina ; Aluminum oxide ; Aluminum Oxide - chemistry ; Biocompatible Materials - chemistry ; Biomedical Engineering ; Biomedical materials ; Calcium aluminate ; Calcium Compounds - chemistry ; Calcium Silicate ; Calcium silicates ; Cold isostatic pressing ; Elastic Modulus ; Fracture toughness ; Hardness ; Mechanical Phenomena ; Mechanochemical synthesis ; Physical Phenomena ; Silicates - chemistry ; Sintering (powder metallurgy) ; Surgical implants ; Temperature ; Young's modulus</subject><ispartof>Journal of the mechanical behavior of biomedical materials, 2014-02, Vol.30, p.168-175</ispartof><rights>2013 Elsevier Ltd</rights><rights>2013 Published by Elsevier Ltd.</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c392t-5702c32de61a6758e4b1eeafedd3637f6dcb961b027b6861d34457052433418f3</citedby><cites>FETCH-LOGICAL-c392t-5702c32de61a6758e4b1eeafedd3637f6dcb961b027b6861d34457052433418f3</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://dx.doi.org/10.1016/j.jmbbm.2013.10.024$$EHTML$$P50$$Gelsevier$$H</linktohtml><link.rule.ids>314,780,784,3550,27924,27925,45995</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/24316872$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Shirazi, F.S.</creatorcontrib><creatorcontrib>Mehrali, M.</creatorcontrib><creatorcontrib>Oshkour, A.A.</creatorcontrib><creatorcontrib>Metselaar, H.S.C.</creatorcontrib><creatorcontrib>Kadri, N.A.</creatorcontrib><creatorcontrib>Abu Osman, N.A.</creatorcontrib><title>Mechanical and physical properties of calcium silicate/alumina composite for biomedical engineering applications</title><title>Journal of the mechanical behavior of biomedical materials</title><addtitle>J Mech Behav Biomed Mater</addtitle><description>The focus of this study is to investigate the effect of Al2O3 on α-calcium silicate (α-CaSiO3) ceramic. α-CaSiO3 was synthesized from CaO and SiO2 using mechanochemical method followed by calcinations at 1000°C. α-CaSiO3 and alumina were grinded using ball mill to create mixtures, containing 0–50w% of Al2O3 loadings. The powders were uniaxially pressed and followed by cold isostatic pressing (CIP) in order to achieve greater uniformity of compaction and to increase the shape capability. Afterward, the compaction was sintered in a resistive element furnace at both 1150°C and 1250°C with a 5h holding time. It was found that alumina reacted with α-CaSiO3 and formed alumina-rich calcium aluminates after sintering. An addition of 15wt% of Al2O3 powder at 1250°C were found to improve the hardness and fracture toughness of the calcium silicate. It was also observed that the average grain sizes of α-CaSiO3 /Al2O3 composite were maintained 500–700nm after sintering process.</description><subject>Alumina</subject><subject>Aluminum oxide</subject><subject>Aluminum Oxide - chemistry</subject><subject>Biocompatible Materials - chemistry</subject><subject>Biomedical Engineering</subject><subject>Biomedical materials</subject><subject>Calcium aluminate</subject><subject>Calcium Compounds - chemistry</subject><subject>Calcium Silicate</subject><subject>Calcium silicates</subject><subject>Cold isostatic pressing</subject><subject>Elastic Modulus</subject><subject>Fracture toughness</subject><subject>Hardness</subject><subject>Mechanical Phenomena</subject><subject>Mechanochemical synthesis</subject><subject>Physical Phenomena</subject><subject>Silicates - chemistry</subject><subject>Sintering (powder metallurgy)</subject><subject>Surgical implants</subject><subject>Temperature</subject><subject>Young's modulus</subject><issn>1751-6161</issn><issn>1878-0180</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2014</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><recordid>eNqFUcFO3DAUtKqiAgtfUKnysZcsfnZiew8cEGoBiYpLe7Yc5wW8SuxgJ5X4-3p3gWM52R7PvNGbIeQrsDUwkBfb9XZs23HNGYiCrBmvP5ET0EpXDDT7XO6qgUqChGNymvOWMcmY1l_IMa8FSK34CZl-oXuywTs7UBs6Oj295P1jSnHCNHvMNPa0IM4vI81-KL8zXthhGX2w1MVxitnPSPuYaOvjiN1ej-HRB8TkwyO107SX-RjyGTnq7ZDx_PVckT8_f_y-vq3uH27urq_uKyc2fK4axbgTvEMJVqpGY90Cou2x64QUqpedazcSWsZVK7WETtR10TRlM1GD7sWKfD_MLYs8L5hnM_rscBhswLhkA41gG6Vqxj-m1humQIhivCLiQHUp5pywN1Pyo00vBpjZtWK2Zt-K2bWyA0srRfXt1WBpSz7vmrcaCuHyQMCSyF-PyWTnMbiSZUI3my76_xr8A3z1n-4</recordid><startdate>20140201</startdate><enddate>20140201</enddate><creator>Shirazi, F.S.</creator><creator>Mehrali, M.</creator><creator>Oshkour, A.A.</creator><creator>Metselaar, H.S.C.</creator><creator>Kadri, N.A.</creator><creator>Abu Osman, N.A.</creator><general>Elsevier Ltd</general><scope>CGR</scope><scope>CUY</scope><scope>CVF</scope><scope>ECM</scope><scope>EIF</scope><scope>NPM</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7X8</scope><scope>7QF</scope><scope>7QQ</scope><scope>7SR</scope><scope>7TB</scope><scope>7U5</scope><scope>8BQ</scope><scope>8FD</scope><scope>FR3</scope><scope>JG9</scope><scope>L7M</scope></search><sort><creationdate>20140201</creationdate><title>Mechanical and physical properties of calcium silicate/alumina composite for biomedical engineering applications</title><author>Shirazi, F.S. ; 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The powders were uniaxially pressed and followed by cold isostatic pressing (CIP) in order to achieve greater uniformity of compaction and to increase the shape capability. Afterward, the compaction was sintered in a resistive element furnace at both 1150°C and 1250°C with a 5h holding time. It was found that alumina reacted with α-CaSiO3 and formed alumina-rich calcium aluminates after sintering. An addition of 15wt% of Al2O3 powder at 1250°C were found to improve the hardness and fracture toughness of the calcium silicate. It was also observed that the average grain sizes of α-CaSiO3 /Al2O3 composite were maintained 500–700nm after sintering process.</abstract><cop>Netherlands</cop><pub>Elsevier Ltd</pub><pmid>24316872</pmid><doi>10.1016/j.jmbbm.2013.10.024</doi><tpages>8</tpages></addata></record> |
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| subjects | Alumina Aluminum oxide Aluminum Oxide - chemistry Biocompatible Materials - chemistry Biomedical Engineering Biomedical materials Calcium aluminate Calcium Compounds - chemistry Calcium Silicate Calcium silicates Cold isostatic pressing Elastic Modulus Fracture toughness Hardness Mechanical Phenomena Mechanochemical synthesis Physical Phenomena Silicates - chemistry Sintering (powder metallurgy) Surgical implants Temperature Young's modulus |
| title | Mechanical and physical properties of calcium silicate/alumina composite for biomedical engineering applications |
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