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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以羟基磷灰石钙Ca10(PO4)6(OH)2和磷酸一钙一水Ca(H2PO4)2·H2O为原料制备Ca2P2O7-Ca3 (PO4)2体系陶瓷。鱼鳞粉作为天然钙羟基磷灰石Ca10(PO4)6(OH)2的天然来源。初始粉末混合物中Ca10(PO4)6(OH)2 /Ca(H2PO4)2·H2O的摩尔比分别为1/4、3/5和2/1，确保烧制后形成具有理想相组成的陶瓷，包括焦磷酸钙Ca2P2O7和/或磷酸三钙Ca3(PO4)2。将混合粉末通过目径为200 μm的筛反复过筛，进行组分均质。用乙醇作为粘结剂对样品进行塑料成型。XRD数据显示，所有样品经添加酒精、成型、干燥后的物相组成为一水磷酸一钙Ca(H2PO4)2·H2O和羟基磷灰石钙Ca10(PO4)6(OH)2。样品的物相组成中还存在毛石CaHPO4和毛石CaHPO4·2H2O。在900 ~ 1100℃烧制后，制备的相对密度为27 ~ 55%的高孔陶瓷样品的相组成包括β-磷酸三钙β-Ca3 (PO4)2和/或β-焦磷酸钙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.