Ceramic Composite Materials in the Ca2P2O7–Ca3(PO4)2 System Based on Powder Mixtures of Natural Calcium Phosphate and Monocalcium Phosphate Monohydrate

IF 0.6 4区材料科学 Q4 MATERIALS SCIENCE, CERAMICS

Glass and Ceramics Pub Date : 2025-01-14 DOI:10.1007/s10717-025-00712-6

T. V. Safronova, X. Feng, V. I. Vorobyov, X. Liao, T. B. Shatalova, Ya. Yu. Filippov, A. M. Murashko, T. V. Filippova, Z. Xu, M. M. Akhmedov, N. R. Kildeeva

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Abstract

Ceramics in the Ca₂P₂O₇–Ca₃(PO₄)₂ system were obtained from powder mixtures containing calcium hydroxyapatite Ca₁₀(PO₄)₆(OH)₂ and monocalcium phosphate monohydrate Ca(H₂PO₄)₂· H₂O. Fish scale powder was used as a natural source of natural calcium hydroxyapatite Ca₁₀(PO₄)₆(OH)₂. The molar ratios of Ca₁₀(PO₄)₆(OH)₂ /Ca(H₂PO₄)₂· H₂O in the initial powder mixture equal to 1/4, 3/5 and 2/1, respectively, ensured the formation after firing of ceramics having a desirable phase composition, including calcium pyrophosphate Ca₂P₂O₇ and/or tricalcium phosphate Ca₃(PO₄)₂ . The homogenization of the components was carried out by repeated passing of the powder mixture through a sieve with a mesh size of 200 μm. Plastic molding of the samples was carried out using ethyl alcohol as a binder. According to XRD data, the phase composition of all samples after the addition of alcohol, molding, and drying included monocalcium phosphate monohydrate Ca(H₂PO₄)₂· H₂O and calcium hydroxyapatite Ca₁₀(PO₄)₆(OH)₂. Monetite CaHPO₄ and brushite CaHPO₄· 2H₂O were also present in the phase composition of the samples. The phase composition of prepared highly porous ceramic samples with relative density 27 – 55% after firing in a temperature range of 900 – 1100°C included β-tricalcium phosphate β–Ca₃(PO₄)₂ and/or β-calcium pyrophosphate β–Ca₂P₂O₇.

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来源期刊

Glass and Ceramics 工程技术-材料科学：硅酸盐

CiteScore

1.00

自引率

16.70%

发文量

审稿时长

6-12 weeks

期刊介绍： Glass and Ceramics reports on advances in basic and applied research and plant production techniques in glass and ceramics. The journal''s broad coverage includes developments in the areas of silicate chemistry, mineralogy and metallurgy, crystal chemistry, solid state reactions, raw materials, phase equilibria, reaction kinetics, physicochemical analysis, physics of dielectrics, and refractories, among others.