由取代的磷酸三钙Ca3(PO4)2制成并用硅酸盐玻璃纤维增强的磷酸钙-刷石水泥

IF 1.1 4区 材料科学 Q3 Engineering Materials Science-Poland Pub Date : 2023-02-21 DOI:10.31044/1684-579x-2023-0-5-19-27
Sharifjon A Musoev, A. Knotko, Y. Filippov
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引用次数: 0

摘要

考虑了基于同构阳离子-(Na+,K+)和阴离子-(SiO44-,SO42-)取代的磷酸三钙(β和α-TCP,Ca3(PO4)2),用硅酸盐(玄武岩基)玻璃纤维增强的骨植入物反应硬化磷酸盐材料(磷酸盐水泥)的增强。通过XRD和SEM方法对所获得的材料进行了表征,进行了机械压缩试验,确定了水泥的凝结时间,测量了与所研究的水泥接触的水介质的pH值的变化。微观结构分析表明,与硬化水泥基体接触的增强纤维表面被部分腐蚀,并在其上形成磷酸盐微粒。通过pH测定发现,样品在长时间与水接触时,不会显著改变水环境的pH值,其保持在从5到7.5的几乎中性的范围内,有利于进一步的生物测试。
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Calcium phosphate brushite cements made from substituted tricalcium phosphate Ca3(PO4)2 and reinforced with silicate glass fiber
The reinforcement of reaction hardening phosphate materials (phosphate cements) for bone implants, based on isomorphically cation- (Na+, K+) and anion- (SiO44-, SO42-) substituted tricalcium phosphate (β and α-TCP, Ca3(PO4)2), that are reinforced with silicate (basalt-based) fiberglass, is considered. The obtained materials were characterized by the XRD and SEM methods, mechanical compression tests were carried out, the setting times of cements were determined, changes in the pH of the aqueous medium in contact with the cements under study were measured. Microstructure analysis has been shown that the surface of the reinforcing fiber in contact with the matrix of hardening cement is partially corroded with the formation of phosphate microparticles on it. By pH-metry it was found that the samples during prolonged contact with water do not significantly change the pH value of the aquatic environment, which remains in the nearly neutral range from 5 to 7.5, favorable for further biological tests.
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来源期刊
Materials Science-Poland
Materials Science-Poland 工程技术-材料科学:综合
CiteScore
1.70
自引率
18.20%
发文量
0
审稿时长
6.2 months
期刊介绍: Material Sciences-Poland is an interdisciplinary journal devoted to experimental research into results on the relationships between structure, processing, properties, technology, and uses of materials. Original research articles and review can be only submitted.
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