Bone cements in the calcium phosphate–calcium sulfate system

被引：0
|
作者：
V. V. Smirnov
O. S. Antonova
M. A. Goldberg
S. V. Smirnov
L. I. Shvorneva
A. A. Egorov
A. S. Baikin
S. M. Barinov
机构：
[1] Russian Academy of Sciences,Baikov Institute of Metallurgy and Materials Science
来源：
Doklady Chemistry | 2016年 / 467卷
关键词：
Gypsum; Calcium Phosphate; Calcium Sulfate; Cement Material; DCPD;
D O I：
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学科分类号：
摘要：
Cement materials in the calcium phosphate–calcium sulfate system were proposed for bone tissue reconstruction. Mixtures of calcium sulfate and amorphous calcium sulfate in the weight ratios 20: 80, 40: 60, 60: 40, and 80: 20 were used as a cement flour, and an acidic solution of orthophosphoric acid was used as a setting liquid. Cement materials based on dicalcium phosphate dihydrate and calcium sulfate were obtained, and the phase composition, setting time, compressive strength, and microstructure of cements were studied. A phenomenon of dispersion strengthening of cements by adding 20 wt % calcium sulfate was detected. The obtained cement stone had a strength to 60 MPa, a setting time of 6–7 min, and uniform microstructure with a crystal size of 1–2 μm.
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页码：136 / 139
页数：3
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