Preparation of apatite-containing calcium phosphate glass-ceramics

被引：5
|
作者：
Kasuga, Toshihiro [1 ]
Ueno, Emiko [1 ]
Obata, Akiko [1 ]
机构：
[1] Nagoya Inst Technol, Dept Mat Sci & Engn, Grad Sch Engn, Showa Ku, Nagoya, Aichi 4668555, Japan
来源：
BIOCERAMICS, VOL 19, PTS 1 AND 2 | 2007年 / 330-332卷
关键词：
glass-ceramic; apatite; calcium phosphate; titanium oxide; chemical durability;
D O I：
10.4028/www.scientific.net/KEM.330-332.157
中图分类号：
TQ174 [陶瓷工业]; TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
A new type of glass-ceramic for novel dental fillers, which require excellent chemical durability, was investigated. A 40CaO-5CaF(2)-25TiO(2)-30P(2)O(5) (in mol%) glass-ceramic was newly suggested. The glass-ceramic was prepared by a conventional two-step heating method. The resulting glass-ceramic included Nasicontype-CaTi4(PO4)(6), titanium phosphates, such as (TiO)(2)P2O7 and Ti(PO3)(3), and TiO2 (anatase) with apatite crystal, which was induced by incorporation of fluorine. In the glass-ceramic, dissolution by acid-treatment was strictly controlled. The excellent chemical durability of the glass-ceramic was suggested to originate from increase in the amount of the crystalline phases and a high content of titanium constituent in the residual glassy phase.
引用
收藏
页码：157 / +
页数：2
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