原始多壁碳纳米管(MWCNTs)对水泥复合材料强度增强贡献的实验研究

2017 IEEE 3rd International Conference on Engineering Technologies and Social Sciences (ICETSS) Pub Date : 2017-08-01 DOI:10.1109/ICETSS.2017.8324183

A. Naqi, Naseem Abbas

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引用次数: 4

摘要

该研究讨论了可以添加不同剂量的原始碳纳米管来增强水泥复合材料的强度。硅灰颗粒有助于碳纳米管在水泥复合材料中的分散。硅灰的加入可以改善纳米管与水泥基体之间的粘结，从而提高纳米管的强度。实验结果表明，在7天和28天的测试中，CNTs剂量分别为0.05%、0.075%和0.10%(按粘结剂重量计)时，与参考试样相比，抗压强度分别提高了4.2%和19%。这种强度的增加是由于纳米管的加入改善了微观结构。

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Experimental investigation on the contribution of pristine multi-walled carbon nanotubes (MWCNTs) addition to the strength enhancement of cement composites

The research discusses the different dosages of pristine carbon nanotubes that can be added for the strength enhancement of cement composites. Carbon nanotubes dispersion in the cement composite was aided using silica fume particles. Addition of silica fume was found to be helpful in strength increment by improving the bond between the nanotubes and cement matrix. The experimental results showed an increase in compressive strength up to 4.2% and 19% at 7 and 28 days testing for the CNTs dosages of 0.05%, 0.075% and 0.10% (by weight of binder) compared the reference specimen. This strength increment is due to improved microstructure formed by the addition of nanotubes.

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2017 IEEE 3rd International Conference on Engineering Technologies and Social Sciences (ICETSS)

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