科研之友
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摘要
In the present investigation the effects of milling parameters (time, atmosphere, and media) and chemical composition of raw materials on the mechanochemical synthesis of nanocrystalline hydroxyapatite (n-HAp) were studied. For a comparative study of the mechanically activated samples versus thermally treated specimen (natural origin), n-HAp was also produced via annealing of bovine bone at 800 degrees C for 2 h. The gained powders exhibited average sizes about 32 and 27 nm under air atmosphere, and about 32 and 34 nm under argon atmosphere. TEM images confirmed the formation of n-HAp with various morphologies under different experimental conditions.
- 出版日期2014-1-25
