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首页> 外文期刊>American Journal of Materials Science >Fabrication and Characterisation of Ghanaian Bauxite Red Mud-Clay Composite Bricks for Construction Applications
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Fabrication and Characterisation of Ghanaian Bauxite Red Mud-Clay Composite Bricks for Construction Applications

机译：加纳铝土矿红泥粘土复合砖的制造与表征

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The behaviour of Ghanaian based bauxite red mud-Tetegbu clay composites have been investigated for their applicability in the ceramic brick construction industry as a means of recycling the bauxite waste. The initial raw samples were characterized by X-ray diffraction (XRD), X-ray Fluorescence spectroscopy (XRF), Fourier transform infrared spectroscopy (FTIR), and thermogravimetric analysis (Tg-DTA). The red mud-clay composites have been formulated as 80%-20%, 70%-30%, 60%-40%, 50%-50% and fired at sintering temperatures of 800oC, 900oC and 1100oC. Generally, mechanical strengths (modulus of rupture) increased with higher sintering temperature. The results obtained for various characterization analyses such as bulk densities of 1.59 g/cm3 and 1.51 g/cm3 compare very well with literature and hold potential in bauxite residue eco-friendly application for low-cost recyclable constructional materials.
机译：已经研究了加纳基铝土矿红泥-Tetegbu粘土复合材料的性能，因为它们在陶瓷砖建筑行业中作为铝土矿废料的回收利用方式而适用。最初的原始样品通过X射线衍射（XRD），X射线荧光光谱（XRF），傅里叶变换红外光谱（FTIR）和热重分析（Tg-DTA）进行表征。红泥粘土复合材料的配方为80％-20％，70％-30％，60％-40％，50％-50％，并在800oC，900oC和1100oC的烧结温度下烧制。通常，机械强度（断裂模量）随着较高的烧结温度而增加。各种表征分析所获得的结果，例如1.59 g / cm 3 和1.51 g / cm 3 的堆积密度，与文献进行了很好的比较，并具有在铝土矿渣生态保护中的潜力。低成本可回收建筑材料的友好应用。

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