用于水泥增强应用的功能化氧化石墨烯提高界面 结合强度和可靠性

弗洛 雷斯, 莱蒂 西亚
英国纳米工程系

摘要

纳米材料与水泥复合材料的粘结强度差，不可避免地导致加固失效。在这里，我们展示了一种用于制造功
能化 GO（FGO）的新型功能化方法，该方法能够与水泥水化产物形成高度可靠的共价键，从而可用作水泥复合材
料的有效增强剂。随着 FGO的增强，水泥与骨料之间的粘结强度显着提高了 21倍以上。制造的 FGO还展示了许多
重要特征，包括在水泥浆中的高可靠性、良好的分散性以及水泥水化产物的高效结构细化。随着 FGO的加入，水泥
砂浆样品的早期强度和极限强度提高了 40%。这些结果使轻型结构的快速脱模和制造成为可能，在实际应用中在提
高生产率、节约成本和减少二氧化碳排放方面显示出强大的优势。

关键词

界面结合强度；氧化石墨烯；水泥加固

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