



@article {2513,
	title = {Effect of heat treatment on relative content of β-Ca                    2P
                    2O
                    7 crystalline phase in calcium phosphate glass-ceramics
},
	journal = {Kuei Suan Jen Hsueh Pao/ Journal of the Chinese Ceramic SocietyKuei Suan Jen Hsueh Pao},
	volume = {31},
	year = {2003},
	note = {Cited By (since 1996): 1Export Date: 21 November 2012Source: ScopusCODEN: KSYHALanguage of Original Document: ChineseCorrespondence Address: Li, Y.; Dept. of Mat. Sci. and Eng., Zhejiang Univ., Hangzhou 310027, ChinaReferences: Hench, L.L., Bioceramics (1998) J. Am. Ceram. Soc., 81, pp. 1705-1731;Kitsugi, T., Yamamuro, T., Nakamura, T., Four calcium phosphate ceramics as bone substitute for non-weight bearing (1993) Biomaterials, 14, pp. 216-221; 
Kitsugi, T., Yamamuro, T., Nakamura, T., Transmission electron microscopy observations at the interface of bone and four types of calcium phosphate ceramics with different calcium/phosphorus molar ratios (1995) Biomaterials, 16, pp. 1101-1107; 
Yu, B., Liang, K., Gu, S., (2002) J. Chin. Ceram. Soc., 30 (1), pp. 77-80; 
Kasuga, T., Sawada, M., Nogami, M., Biomaterials, bioactive ceramics prepared by sintering and crystallization of calcium phosphate invert glasses (1999) Biomaterials, 20, pp. 1415-1420; 
Zhang, Y., Santos, J.D., Microstructural characterization and in vitro apatite formation of CaO-P 2O 5-TiO 2MgO-Na 2O glass-ceramics (2001) J. Eur. Ceram. Soc., 21, pp. 169-175; 
Kokubo, T., Ito, S., Sakka, S., Formation of a high strength bioactive glass ceramic in the system MgO-CaO-SiO 2-P 2O 5 (1986) J. Mater. Sci., 21, pp. 536-540; 
Hosono, H., Zhang, Z., Abe, Y., Porous glass-ceramics in the CaO-TiO 2-P 2O 5 system (1989) J. Am. Ceram. Soc., 72, pp. 1587-1589; 
Zhang, Y., Santos, J.D., Crystallization and microstructure analysis of calcium phosphate-based glass ceramics for biomedical applications (2000) J. Non-Cryst. Solids, 272, pp. 14-21; 
Li, Y., Study on bioactive glass-ceramics in Na 2O-TiO 2-CaO-P 2O 5 system (2001), Chinese source, Dissertation, Hangzhou: Zhejiang UniversityKokubo, T., Surface chemistry of bioactive glass-ceramics (1990) J. Non.-Cryst. Solids, 120, pp. 138-151
},
	month = {2003///},
	pages = {669 - 672+677},
	abstract = {The 3Na                        2O-12TiO
                        2-57CaO-28P
                        2O
                        5 glass was heat-treated to form glass-ceramics under different conditions. The relationships between the heat-treatment conditions and the content of β-Ca
                        2P
                        2O
                        7 in the glass-ceramics, bioactivity of the glass-ceramics were investigated. The experimental results show that the glass-ceramics contain crystalline phases of β-Ca
                        2P
                        2O
                        7, CaTi
                        4(PO
                        4)
                        6, NaTi
                        2(PO
                        4)
                        3 and TiP
                        2O
                        7 after heat-treatment, in which β-Ca
                        2P
                        2O
                        7 crystalline phase is a dominant one; the content of β-Ca
                        2P
                        2O
                        7 crystalline phase in the glass-ceramics increases with the increase of nucleation temperature and time; and the glass-ceramics with more β-Ca
                        2P
                        2O
                        7 crystalline phase has a better bioactivity. The role of heat-treatment in increasing the content of β-Ca
                        2P
                        2O
                        7 crystalline phase in the glass-ceramics is attributed to the crystallization of β-Ca
                        2P
                        2O
                        7 involved in the simultaneous occurrence of the glass phase separation and nucleation processes. Due to the better ability of β-Ca
                        2P
                        2O
                        7 in promoting bioactivity, the glass-ceramics with more β-Ca
                        2P
                        2O
                        7 phase have stronger bioactivity. Therefore, the bioactivity of the glass-ceramics could be changed by heat treatment.
},
	keywords = {Bioactivity, Calcium Compounds, calcium phosphate, Crystalline materials, Crystalline phase, Crystallization, Glass ceramics, Glass-ceramics, Heat treatment, Nucleation, Phase separation, Phosphates},
	isbn = {04545648 (ISSN)},
	url = {http://www.scopus.com/inward/record.url?eid=2-s2.0-0347513558\&partnerID=40\&md5=1155e6484ca4dd506ea1406fd2544671},
	author = {Li, Y. and Weng, W. and Du, P. and Shen, G. and Han, G. and Santos, J.D. and Lopes, A.M.}
}
