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氧化石墨烯（GO）增强水泥基材料断裂性能探究

摘要：

本文对氧化石墨烯（GO）增强水泥基材料的断裂性能进行了

探究。接受扫描电子显微镜（SEM）、透射电子显微镜（TEM）、

拉伸测试和断口形貌分析等方法对水泥基材料加入不同比例的

GO的力学性能和断裂性能进行了探究。结果表明，加入一定比

例GO可以显著提高水泥基材料强度和断裂韧性，随着GO掺量

的增加，材料的断裂模式发生明显改变，由脆性断裂向韧性断裂

转变，并且与GO掺量呈正相关。在断口形貌观察中发现，GO

可以充分填充水泥基材料的孔隙结构，缩减微裂纹的产生，并且

增加了材料的界面结合强度。

关键词：氧化石墨烯；水泥基材料；断裂性能；拉伸性能；

断口形貌

Abstract:

The fracture behavior of cement composites reinforced with

graphene oxide (GO) was studied in this paper. Techniques such as

scanning electron microscopy (SEM), transmission electron

microscopy (TEM), tensile testing, and fracture surface morphology

analysis were used to investigate the mechanical and fracture behavior

of cement composites with different percentages of GO. The results

show that the addition of a certain percentage of GO can significantly

improve the strength and fracture toughness of cement composites. As

the GO content increases, the fracture mode of the material undergoes