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首页> 外文期刊>Glass Technology >Crystallisation studies of biodegradable CaO-P_2O_5 glass with MgO and TiO_2 for bone regeneration applications
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Crystallisation studies of biodegradable CaO-P_2O_5 glass with MgO and TiO_2 for bone regeneration applications

机译：MgO和TiO_2可生物降解的CaO-P_2O_5玻璃的结晶研究

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摘要

CaO-P_2O_5 glass ceramics with small additions of MgO and TiO_2 were prepared in the ortho and pyrophosphate regions by powder sintering and crystallisation through heat treatment at different temperatures determined from differential thermal analysis (DTA). The glass ceramics were analysed by x-ray diffraction (XRD) and it was observed that alpha- and beta- Ca_2P_2O_7 were the first phases to precipitate in the parent glass matrix at a temperature of 681 deg C, followed by CaTi_4(PO_4)_6 and TiP_2O_7 at temperatures between 703 and 725 deg C. The beta-Ca_2P_2O_7 and CaTi_4(PO_4)_6 phases are usually considered as biocompatible and bioactive and, therefore, these glass ceramics seem to show good potential for bone regeneration applications.
机译：通过差示热分析（DTA）测定的不同温度下的粉末烧结和结晶，在正磷酸盐和焦磷酸盐区域制备了少量添加了MgO和TiO_2的CaO-P_2O_5玻璃陶瓷。通过X射线衍射（XRD）分析了玻璃陶瓷，观察到α-和β-Ca_2P_2O_7是在681℃温度下在母体玻璃基质中析出的第一相，然后是CaTi_4（PO_4）_6 β-Ca_2P_2O_7和CaTi_4（PO_4）_6相通常被认为具有生物相容性和生物活性，因此，这些玻璃陶瓷似乎具有良好的骨再生潜力。

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