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首页> 外文期刊>Journal of biomedical materials research. Part B, Applied biomaterials. >The effect of ball milling grinding pathways on the bulk and reactivity properties of calcium phosphate cements.
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The effect of ball milling grinding pathways on the bulk and reactivity properties of calcium phosphate cements.

机译：球磨研磨路径对磷酸钙水泥的体积和反应性的影响。

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摘要

Calcium phosphate cements (CPCs) are significant alternatives to autologous bone grafting. CPCs can be composed of biphasic or multiphase calcium phosphate (CaP) compounds. A common way to process CPCs is by ball milling. Ball milling can be used for grinding or mechanosynthesis. The aim of this study was to determine the effect of well-defined ball milling grinding parameters, applied via different milling pathways, on the properties of CPCs. Starting CaP compounds used included alpha-tricalcium phosphate, dicalcium phosphate anhydrous and precipitated hydroxyapatite. Scanning electron microscopy showed changes in the powder morphology, which were related to the behavior of the starting CaP materials. Specific surface area (SSA) and particle size (PS) measurements exposed the effect of ball milling on the CaP compounds and CPC powders. X-ray diffraction revealed no effect of ball milling pathways or milling time on the composition of CPCs or the starting materials, but affected their crystallographic properties. No contamination of the milling media or transformation into an amorphous calcium phosphate compound was found. The milling pathways affected setting and cohesion. Fourier transform infrared spectroscopy (FTIR) revealed differences on the CPC v-PO(3) bands according to the interaction, created between the CaP compounds by the milling pathways. FTIR confirmed that the milling pathways changed the crystallographic properties. This study demonstrates that the pathways used for milling grinding modify the PS, SSA, and crystallographic properties of the powders, without affecting their composition. These modifications affected the bulk and reactivity properties of the CPCs by creating different setting and cohesion behaviors.
机译：磷酸钙水泥（CPC）是自体骨移植的重要替代品。 CPC可以由双相或多相磷酸钙（CaP）化合物组成。处理CPC的常见方法是球磨。球磨可用于研磨或机械合成。这项研究的目的是确定通过不同的铣削路径应用的定义明确的球磨参数对CPC的影响。使用的起始CaP化合物包括α-磷酸三钙，无水磷酸二钙和沉淀的羟基磷灰石。扫描电子显微镜显示粉末形态的变化，这与起始CaP材料的行为有关。比表面积（SSA）和粒度（PS）的测量暴露了球磨对CaP化合物和CPC粉末的影响。 X射线衍射显示球磨路径或球磨时间对CPC或原料的组成没有影响，但影响了它们的晶体学性质。未发现研磨介质污染或转化为无定形磷酸钙化合物。研磨路径影响凝结和内聚力。傅里叶变换红外光谱（FTIR）根据在CaP化合物之间通过相互作用产生的相互作用，揭示了CPC v-PO（3）波段上的差异。 FTIR证实研磨路径改变了晶体学性质。这项研究表明，用于研磨研磨的途径可以改变粉末的PS，SSA和晶体学性质，而不会影响其组成。这些修改通过创建不同的设置和内聚行为，影响了CPC的体积和反应性。

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