Experimental Study of the Binary System Mg3(PO4)2–Mg4Na(PO4)3

— The Mg 3 (PO 4 ) 2 –Mg 4 Na(PO 4 ) 3 system has been studied using thermal analysis, X-ray diffraction, and X-ray microanalysis. Firing the constituent phosphates at 800°C has been shown to cause no phase changes, whereas firing above 1000°C leads to the formation of a single-phase material, which...

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Bibliographic Details
Published in:Inorganic materials 2023-05, Vol.59 (5), p.500-506
Main Authors: Preobrazhenskiy, I. I., Filippov, Ya. Yu, Evdokimov, P. V., Putlyaev, V. I.
Format: Article
Language:English
Subjects:
Bioceramics
Chemistry
Chemistry and Materials Science
Grain size
Homogeneity
Industrial Chemistry/Chemical Engineering
Inorganic Chemistry
Magnesium phosphate
Materials Science
Regeneration (physiology)
Thermal analysis
Tissue engineering
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Summary:— The Mg 3 (PO 4 ) 2 –Mg 4 Na(PO 4 ) 3 system has been studied using thermal analysis, X-ray diffraction, and X-ray microanalysis. Firing the constituent phosphates at 800°C has been shown to cause no phase changes, whereas firing above 1000°C leads to the formation of a single-phase material, which is due to the incongruent melting of the magnesium sodium double orthophosphate Mg 4 Na(PO 4 ) 3 . The homogeneity range of the compounds in the Mg 3 (PO 4 ) 2 –Mg 4 Na(PO 4 ) 3 system differing in composition has been determined by X-ray microanalysis. The microstructure of Mg 3– x Na 2 x (PO 4 ) 2 -based ceramic materials prepared by sintering at a temperature of 1000°C has an average grain size under 10 μm. The synthesized bioceramic materials are potentially attractive for use as implants for bone tissue regeneration.
ISSN:0020-1685
1608-3172
DOI:10.1134/S002016852305014X