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首页> 外文期刊>Advances in Applied Ceramics >Influence of Al_2O_3 content on microstructure and properties of different binary basicity slag glass ceramics
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Influence of Al_2O_3 content on microstructure and properties of different binary basicity slag glass ceramics

机译：Al_2O_3含量对不同二元碱度矿渣微晶玻璃组织和性能的影响

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Glass-ceramic samples were prepared from a mixture that was composed of blast furnace slag, tailing and coal fly ash. FactSage software was used to calculate the batch viscosity and plot of the CaO-AI_2O_3-SiO_2-6 wt-%MgO system phase diagram. The main mechanical properties, crystal morphology and crystalline phase transition of glass-ceramics were investigated as functions of batch viscosity, binary basicity (CaO/SiO_2) and Al_2O_3 content by differential thermal analysis, X-ray diffraction, SEM-EDX and Fourier transform infrared spectroscopy techniques. Research results indicate that Al~(3+) cations play different roles in samples with various binary basicity values and Al_2O_3 contents for the formation of [AIO_4] tetrahedral or [AlO_6] octahedral structure, which is different from the role of Ca~(2+) ones. With the increase in binary basicity, the formula of high performance has a trend toward higher Al_2O_3 content region.
机译：玻璃陶瓷样品是由高炉矿渣，尾矿和粉煤灰组成的混合物制备的。使用FactSage软件计算批料粘度和CaO-Al_2O_3-SiO_2-6 wt-％MgO系统相图的图。通过差示热分析，X射线衍射，SEM-EDX和傅里叶变换红外光谱研究了玻璃陶瓷的主要力学性能，晶体形态和晶相转变与批料粘度，二元碱度（CaO / SiO_2）和Al_2O_3含量的关系。光谱技术。研究结果表明，Al〜（3+）阳离子在具有不同二元碱度值和Al_2O_3含量的样品中形成[AIO_4]四面体或[AlO_6]八面体结构的作用不同，这与Ca〜（2 +）。随着二元碱度的提高，高性能的配方趋向于具有更高的Al_2O_3含量区域。

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