中文摘要：

应用机械化学原理，研究了在振动磨样机中由磷酸二氢钙（MCPM）和氢氧化钙合成羟基磷灰石（HAP）过程的动力学机制，并建立了相应的动力学模型。结果表明，合成过程为生成中间产物二水磷酸氢钙（DCPD）的两步式反应，其中第二步反应在第一步反应结束后才开始，并且在很短的时间内（〈30s）迅速完成，即发生了“爆炸式”反应，反应过程可用类Avrami方程进行表征。探讨了发生“爆炸式”反应的可能机理。

英文摘要：

The kinetic mechanism of the synthesis of hydroxyapatite （HAP） from monocalcium phosphate （MCPM） and calcium oxide in vibratory mill was studied by using mechanochemical principle,and a corresponding kinetic model was established. The results showed that the synthesis reaction was biphasic,because of the presence of the intermediate product dicalcium phosphate dehydrate （DCPD）. The second step reaction occurred just at the end of the first one and ended rapidly in less than 30s,which was called as explosive reaction. The pseudo-Avrami equation was used to describe the reaction processes. The possible mechanism of the explosive reaction was also discussed in the paper.