反应性辅助胶凝材料（SCMs）与再生玻璃的玻璃态结构：XRD和拉曼光谱对其表征的贡献
The glassy structure of reactive supplementary cementitious materials (SCMs) and recycled glass: Contribution of XRD and Raman spectroscopy to their characterization
AI总结：
本研究通过XRD和拉曼光谱对十三种天然及工业辅助胶凝材料进行结构表征，揭示玻璃态解聚程度、环尺寸及化学组成与弥散晕位置的相关性，为水泥脱碳材料筛选提供依据。
摘要：
本研究比较了十三种天然和工业来源的辅助或新兴辅助胶凝材料（SCMs）样品：矿渣、粉煤灰、火山灰、黑曜岩、硅灰和再生玻璃。这些材料已用于或正在考虑用于水泥厂的脱碳。采用XRF、XRD和拉曼显微光谱以更深入地理解SCMs的结构表征。比较了XRD弥散晕的位置和形状变化。利用拉曼光谱研究SCMs各家族的玻璃部分，以更好地理解其在解聚程度、角度、环尺寸及玻璃中掺入物方面的结构。每种玻璃部分的化学组成也通过反向Bogue计算进行了估算。弥散晕位置与拉曼位移相关，并与XRF整体组成或计算得到的SCMs玻璃化学组成相关，具体以CaO/(SiO2+Al2O3)或网络修饰体与形成体之比表示。
英文摘要：
This study compares thirteen natural and industrial samples of supplementary or emerging supplementary cementitious materials (SCMs): slag, fly ashes, pozzolan, obsidian, silica fume, and recycled glass. These materials are used or are under consideration for decarbonization in cement plants. XRF, XRD and Raman microspectroscopy were used in order to achieve a deeper understanding of the structural characterization of SCMs. The changes in position and shape of the XRD diffuse halos were compared. Raman spectroscopy was used to study the glass part of the SCM families, to better understand their structure in terms of depolymerization degree, angle, ring size and incorporations into the glass.The chemical composition of each glassy part was also estimated using reverse Bogue calculations. The hump position is correlated with the Raman shift, and with the XRF bulk or with the calculated glass chemical composition of SCMs, in terms of CaO/(SiO2+Al2O3) or network modifiers to formers ratios.
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