Sol-Gel Derived Zinc Doped Calcium Phosphate Bioceramics Prepared via Different Sintering Strategies
Sinterability of zinc doped calcium phosphate (CaP) sintered via conventional pressureless and two step sintering methods was investigated. The starting powders have been synthesized through sol-gel method with zinc concentration varied in the range of 0, 1, 4, and 10mol%. After uniaxial pressing, t...
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Veröffentlicht in: | Advanced Materials Research 2015-07, Vol.1115, p.341-344 |
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description | Sinterability of zinc doped calcium phosphate (CaP) sintered via conventional pressureless and two step sintering methods was investigated. The starting powders have been synthesized through sol-gel method with zinc concentration varied in the range of 0, 1, 4, and 10mol%. After uniaxial pressing, the compacts were sintered via conventional pressureless sintering. The dense samples were studied in terms of the phase stability, relative density, Vickers hardness, and fracture toughness. The phase of samples was hydroxyapatite and β-tricalcium phosphate. The presence of Zn caused a change in the sintering behaviour of dense calcium phosphate. Zn doping has improved relative density of 4mol% Zn-doped by 8.1% compared to undoped fired at 1300°C. The maximum fracture toughness of 1.43 MPa.m1/2 and Vickers hardness of 3.44 GPa were achieved at 1200°C by 4 mol% Zn-doped. The low Vickers hardness and fracture toughness obtained for dense samples sintered of two step sintering compared to conventional pressureless sintering is due to the low measured bulk density. This study showed that conventional pressureless sintering was beneficial in producing high toughness of Zn doped CaP. |
doi_str_mv | 10.4028/www.scientific.net/AMR.1115.341 |
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The starting powders have been synthesized through sol-gel method with zinc concentration varied in the range of 0, 1, 4, and 10mol%. After uniaxial pressing, the compacts were sintered via conventional pressureless sintering. The dense samples were studied in terms of the phase stability, relative density, Vickers hardness, and fracture toughness. The phase of samples was hydroxyapatite and β-tricalcium phosphate. The presence of Zn caused a change in the sintering behaviour of dense calcium phosphate. Zn doping has improved relative density of 4mol% Zn-doped by 8.1% compared to undoped fired at 1300°C. The maximum fracture toughness of 1.43 MPa.m1/2 and Vickers hardness of 3.44 GPa were achieved at 1200°C by 4 mol% Zn-doped. The low Vickers hardness and fracture toughness obtained for dense samples sintered of two step sintering compared to conventional pressureless sintering is due to the low measured bulk density. This study showed that conventional pressureless sintering was beneficial in producing high toughness of Zn doped CaP.</description><identifier>ISSN: 1022-6680</identifier><identifier>ISSN: 1662-8985</identifier><identifier>ISBN: 3038354937</identifier><identifier>ISBN: 9783038354932</identifier><identifier>EISSN: 1662-8985</identifier><identifier>DOI: 10.4028/www.scientific.net/AMR.1115.341</identifier><language>eng</language><publisher>Zurich: Trans Tech Publications Ltd</publisher><subject>Calcium phosphate ; Diamond pyramid hardness ; Fracture toughness ; Loose powder sintering ; Pressureless sintering ; Sintering (powder metallurgy) ; Vickers hardness ; Zinc</subject><ispartof>Advanced Materials Research, 2015-07, Vol.1115, p.341-344</ispartof><rights>2015 Trans Tech Publications Ltd</rights><rights>Copyright Trans Tech Publications Ltd. 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The starting powders have been synthesized through sol-gel method with zinc concentration varied in the range of 0, 1, 4, and 10mol%. After uniaxial pressing, the compacts were sintered via conventional pressureless sintering. The dense samples were studied in terms of the phase stability, relative density, Vickers hardness, and fracture toughness. The phase of samples was hydroxyapatite and β-tricalcium phosphate. The presence of Zn caused a change in the sintering behaviour of dense calcium phosphate. Zn doping has improved relative density of 4mol% Zn-doped by 8.1% compared to undoped fired at 1300°C. The maximum fracture toughness of 1.43 MPa.m1/2 and Vickers hardness of 3.44 GPa were achieved at 1200°C by 4 mol% Zn-doped. The low Vickers hardness and fracture toughness obtained for dense samples sintered of two step sintering compared to conventional pressureless sintering is due to the low measured bulk density. This study showed that conventional pressureless sintering was beneficial in producing high toughness of Zn doped CaP.</description><subject>Calcium phosphate</subject><subject>Diamond pyramid hardness</subject><subject>Fracture toughness</subject><subject>Loose powder sintering</subject><subject>Pressureless sintering</subject><subject>Sintering (powder metallurgy)</subject><subject>Vickers hardness</subject><subject>Zinc</subject><issn>1022-6680</issn><issn>1662-8985</issn><issn>1662-8985</issn><isbn>3038354937</isbn><isbn>9783038354932</isbn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2015</creationdate><recordtype>article</recordtype><sourceid>BENPR</sourceid><recordid>eNqNkU1rGzEQhkXaQBOn_0GQQ3rZjUbaD-0puHabFFIa4vbSi9COR7HCencrrWP676PgQEtPPQgJ9OrRzDyMXYDICyH15X6_zyN66ifvPOY9TZfzr_c5AJS5KuCInUBVyUw3unzDTpVQWpVFo-q36UJImVWVFu_YaYyPQlQFyPKErVdDl11Tx5cU_BOt-U_fI18OYzoubId-t-V3myGOGzsR_-gHpGC3HiO_CzTakGJP3vKld45CKoyvfD8lVP_AV1NIbx48xTN27GwX6f3rPmM_Pn_6vrjJbr9df1nMbzOUICFTIFqBrkZXkSbXIipN0FSNaqkAJIdrtEJJam0NmmpJddlqEi3VjWtLUjP24cAdw_BrR3EyWx-Rus72NOyiAV2UOrUuZIqe_xN9HHahT9UZqBsBoMq0ZuzqkMIwxBjImTH4rQ2_DQjzosQkJeaPEpOUmKTEvCgxSUkizA-ENIw-ToSbvz76T8YzWsuczA</recordid><startdate>20150701</startdate><enddate>20150701</enddate><creator>Gunawan, Gunawan</creator><creator>Suryanto, Suryanto</creator><creator>Sopyan, Iis</creator><general>Trans Tech Publications Ltd</general><scope>AAYXX</scope><scope>CITATION</scope><scope>7QQ</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>HCIFZ</scope><scope>JG9</scope><scope>KB.</scope><scope>PDBOC</scope><scope>PQEST</scope><scope>PQQKQ</scope><scope>PQUKI</scope><scope>PRINS</scope></search><sort><creationdate>20150701</creationdate><title>Sol-Gel Derived Zinc Doped Calcium Phosphate Bioceramics Prepared via Different Sintering Strategies</title><author>Gunawan, Gunawan ; Suryanto, Suryanto ; Sopyan, Iis</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c2121-310b0cf7cf6e8efbcc38e19693be41cefcdca032eba718e72e75b8e0be79fb5e3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2015</creationdate><topic>Calcium phosphate</topic><topic>Diamond pyramid hardness</topic><topic>Fracture toughness</topic><topic>Loose powder sintering</topic><topic>Pressureless sintering</topic><topic>Sintering (powder metallurgy)</topic><topic>Vickers hardness</topic><topic>Zinc</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Gunawan, Gunawan</creatorcontrib><creatorcontrib>Suryanto, Suryanto</creatorcontrib><creatorcontrib>Sopyan, Iis</creatorcontrib><collection>CrossRef</collection><collection>Ceramic Abstracts</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 (ProQuest)</collection><collection>ProQuest One Community College</collection><collection>ProQuest Materials Science Collection</collection><collection>ProQuest Central Korea</collection><collection>SciTech Premium Collection</collection><collection>Materials Research Database</collection><collection>Materials Science 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><jtitle>Advanced Materials Research</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Gunawan, Gunawan</au><au>Suryanto, Suryanto</au><au>Sopyan, Iis</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Sol-Gel Derived Zinc Doped Calcium Phosphate Bioceramics Prepared via Different Sintering Strategies</atitle><jtitle>Advanced Materials Research</jtitle><date>2015-07-01</date><risdate>2015</risdate><volume>1115</volume><spage>341</spage><epage>344</epage><pages>341-344</pages><issn>1022-6680</issn><issn>1662-8985</issn><eissn>1662-8985</eissn><isbn>3038354937</isbn><isbn>9783038354932</isbn><abstract>Sinterability of zinc doped calcium phosphate (CaP) sintered via conventional pressureless and two step sintering methods was investigated. The starting powders have been synthesized through sol-gel method with zinc concentration varied in the range of 0, 1, 4, and 10mol%. After uniaxial pressing, the compacts were sintered via conventional pressureless sintering. The dense samples were studied in terms of the phase stability, relative density, Vickers hardness, and fracture toughness. The phase of samples was hydroxyapatite and β-tricalcium phosphate. The presence of Zn caused a change in the sintering behaviour of dense calcium phosphate. Zn doping has improved relative density of 4mol% Zn-doped by 8.1% compared to undoped fired at 1300°C. The maximum fracture toughness of 1.43 MPa.m1/2 and Vickers hardness of 3.44 GPa were achieved at 1200°C by 4 mol% Zn-doped. The low Vickers hardness and fracture toughness obtained for dense samples sintered of two step sintering compared to conventional pressureless sintering is due to the low measured bulk density. This study showed that conventional pressureless sintering was beneficial in producing high toughness of Zn doped CaP.</abstract><cop>Zurich</cop><pub>Trans Tech Publications Ltd</pub><doi>10.4028/www.scientific.net/AMR.1115.341</doi><tpages>4</tpages></addata></record> |
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subjects | Calcium phosphate Diamond pyramid hardness Fracture toughness Loose powder sintering Pressureless sintering Sintering (powder metallurgy) Vickers hardness Zinc |
title | Sol-Gel Derived Zinc Doped Calcium Phosphate Bioceramics Prepared via Different Sintering Strategies |
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