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Effect of high titanium blast furnace slag on preparing foam glass-ceramics for sound absorption

机译:高钛高炉炉渣对吸音泡沫玻璃陶瓷制备的影响

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Foam glass-ceramics for sound absorption were fabricated via a single-sintering method with high titanium blast furnace slag (HTBFS) and waste glass as the main materials. This study investigated the effects of HTBFS content on the microstructure and properties of foam glass-ceramics. The results show that the main phases of the sintered samples are diopside, perovskite and augite. With increasing HTBFS content from 38 to 48wt%, the shape of crystals changes gradually and the crystallinity of the sintered samples decreases firstly and then increases, the bulk density and compressive strength increase, the porosity and open porosity decrease. All sintered samples have good sound absorption and corrosion resistant characteristics. The optimal properties, including the highest noise reduction coefficient (0.41) and a relatively high compressive strength (10.5MPa) of the sintered samples, are prepared with 46wt% HTBFS content. This research finds a new purpose of waste slag and expands the application range of foam glass-ceramics for sound absorption, especially sound barrier using in the traffic network because of a relative high impressive strength.
机译:用于吸声的泡沫玻璃陶瓷通过单烧结方法制造,具有高钛高炉炉渣(HTBFS)和废玻璃作为主要材料。本研究研究了HTBFS含量对泡沫玻璃陶瓷微观结构和性能的影响。结果表明,烧结样品的主要阶段是偶氮,钙钛矿和消耗术。随着HTBFS含量从38〜48wt%增加,晶体的形状逐渐变化,并且烧结样品的结晶度首先降低,然后增加,堆积密度和抗压强度增加,孔隙率和开孔率降低。所有烧结样品都具有良好的吸音和耐腐蚀特性。包含最高的降噪系数(0.41)和烧结样品的相对高的压缩强度(105MPa)的最佳性质由46wt%HTBFS含量制备。该研究发现了废渣的新目的,并扩大了泡沫玻璃陶瓷的应用范围,用于吸声,尤其是在交通网络中使用的声音屏障,因为具有相对令人瞩目的强度。

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