湿化学法制备羟基磷灰石的结构、振动和力学研究
Structural, Vibrational and Mechanical Studies of Hydroxyapatite produced by wet-chemical methods
摘要：
采用两种不同的湿化学方法制备了羟基磷灰石样品，并通过X射线衍射、红外光谱和抗压强度测量进行了表征。使用Rietveld方法模拟X射线衍射测量，并获得作为晶格参数和平均微晶尺寸的结构数据。红外光谱显示在所有样品中存在CO $_3^{2-}$离子，表明这些离子的污染。通过混合由两种方法制备的样品，获得生物陶瓷，并且在烧结后，获得具有非常高的压缩强度（26- 30 MPa）的样品。
英文摘要：
Hydroxyapatite samples were produced by two different wet-chemical methods, and characterized by x-ray diffraction, infrared and compression strength measurements. The x-ray diffraction measurements were simulated using the Rietveld method, and structural data as lattice parameters and average crystallite size were obtained. The infrared spectra showed the presence of CO$_3^{2-}$ ions in all samples, indicating a contamination by these ions. By mixing samples produced by both methods, a bioceramic was obtained and, after sintering, samples with very high compression strengths (26--30 MPa) were obtained.
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