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http://dx.doi.org/10.4191/KCERS.2008.45.1.594

Preparation of Hydroxyapatite Powder Derived from Tuna Bone and Its Sintering Property  

Seo, Dong-Seok (Department of Advanced Materials Engineering, Chosun University)
Kim, Young-Gook (Department of Advanced Materials Engineering, Chosun University)
Hwang, Kyu-Hong (School of Nano and Advanced Materials Engineering, Gyeongsang National University)
Lee, Jong-Kook (Department of Advanced Materials Engineering, Chosun University)
Publication Information
Journal of the Korean Ceramic Society / v.45, no.10, 2008 , pp. 594-599 More about this Journal
Abstract
Hydroxyapatite(HA) was prepared from waste tuna bone, and its sintering property and dissolution behavior were investigated. Tuna bone derived-HA powder consisted of mainly HA and small amount of MgO. Porous HA ceramics with sintered density of 79% was obtained by pressureless sintering at $1200^{\circ}C$. Meanwhile, HA ceramics prepared by hot pressing at $1000^{\circ}C$ showed dense microstructure with sintered density of 95%. Immersion test revealed that both porous and dense HA ceramics were stable in liquid environment without distinct evidence of surface dissolution. It may be assumed that the presence of Mg in tuna bone-derived HA may improve dissolution resistance of HA.
Keywords
Hydroxyapatite; Tuna bone; Sintering; Hot pressing; Dissolution;
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