Calcining influence on the powder properties of hydroxyapatite
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N Patel, IR Gibson, S Ke, SM Best…
Journal of Materials …, 2001
Springer
The effect of different calcination temperatures on the powder characteristics and the sintered density of synthetic hydroxyapatite (HA) powders, produced using two different processing routes, was examined. Powders were produced by either drying, milling and sieving an as-precipitated HA or by spray-drying a slurry of precipitated HA. Calcining the two powders at temperatures between 400 and 1000° C did not significantly affect the powder particle size. The specific surface areas of the two powders, however, were reduced …