Guo Hao, Ji Peizhi, Halász István Zoltán, Pirityi Dávid Zoltán, Bárány Tamás, Xu Zongchao, Zheng Long, Zhang Liqun, Liu Li, Wen Shipeng
State Key Laboratory of Chemical Resource Engineering, Beijing University of Chemical Technology, Beijing 100029, China.
Beijing Engineering Research Center of Advanced Elastomers, Beijing University of Chemical Technology, Beijing 100029, China.
Materials (Basel). 2020 Dec 16;13(24):5746. doi: 10.3390/ma13245746.
Fibrous carbon nanotubes (CNTs) and lamellar graphene oxide (GO) exhibit significant advantages for improving the fatigue properties of rubber composites. In this work, the synergistic effect of CNTs and GO on the modification of the microstructure and fatigue properties of natural rubber (NR) was comprehensively investigated. Results showed that CNTs and GO were interspersed, and they formed a strong filler network in the NR matrix. Compared with those of CNT/NR and GO/NR composites, the CNT-GO/NR composites showed the smallest crack precursor sizes, the lowest crack growth rates, more branching and deflections, and the longest fatigue life.
纤维状碳纳米管(CNTs)和层状氧化石墨烯(GO)在改善橡胶复合材料的疲劳性能方面具有显著优势。在这项工作中,全面研究了碳纳米管和氧化石墨烯对天然橡胶(NR)微观结构和疲劳性能改性的协同效应。结果表明,碳纳米管和氧化石墨烯相互穿插,在天然橡胶基体中形成了强大的填料网络。与碳纳米管/天然橡胶和氧化石墨烯/天然橡胶复合材料相比,碳纳米管-氧化石墨烯/天然橡胶复合材料显示出最小的裂纹前驱体尺寸、最低的裂纹扩展速率、更多的分支和偏转以及最长的疲劳寿命。