Sinterability of β-Calcium Orthophosphate Powder Prepared by Spray-Pyrolysis

Sinterability of β-Calcium Orthophosphate Powder Prepared by Spray-Pyrolysis

Mixed solutions of Ca(NO3)2 and (NH4)2HPO4 with Ca/P = 1.50 were spray‐pyrolyzed at 600°C to produce β‐calcium orthophosphate (β‐Ca3(PO4)2) powder; the spray‐pyrolyzed powder was ground and then calcined at 600°C for 1 h. The best crystalline β‐Ca3(PO4)2 powder was obtained from the solution with 1....

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Veröffentlicht in:Journal of the American Ceramic Society 1994-03, Vol.77 (3), p.801-805
Hauptverfasser: Itatani, Kiyoshi, Nishioka, Toshio, Seike, Satoru, Howell, F. Scott, Kishioka, Akira, Kinoshita, Makio
Format: Artikel
Sprache:eng
Schlagworte:
Applied sciences
Building materials. Ceramics. Glasses
Ceramic industries
Chemical industry and chemicals
Exact sciences and technology
Miscellaneous
Technical ceramics
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Zusammenfassung:Mixed solutions of Ca(NO3)2 and (NH4)2HPO4 with Ca/P = 1.50 were spray‐pyrolyzed at 600°C to produce β‐calcium orthophosphate (β‐Ca3(PO4)2) powder; the spray‐pyrolyzed powder was ground and then calcined at 600°C for 1 h. The best crystalline β‐Ca3(PO4)2 powder was obtained from the solution with 1.80 mol.L–1 Ca(NO3)2, 1.20 mol.L–1 (NH4)2HPO4. The resulting powder was composed of primary particles with sizes of
ISSN:0002-7820
1551-2916
DOI:10.1111/j.1151-2916.1994.tb05368.x