Effect of Elastic and Link Interface on Fracture Parameters of Nanocomposites 


Vol. 23,  No. 13, pp. 3493-3504, Dec.  2022
10.1007/s12221-022-4842-4


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  Abstract

In this paper, the effects of interface strength on fracture parameters and crack growth in nanocomposites reinforced with Carbon Nanotubes (CNTs) are investigated. Numerical models of pure epoxy and a nanocomposite consisting of 0.5 wt% CNT were created and analyzed. The effects of nanotube/matrix interaction on nanocomposite fracture properties were investigated by changing the interface mechanism. Three different interface conditions consisting of perfect bonding, elastic interface, and link interface were modeled. In order to investigate crack growth in the nanocomposite more realistically, numerical models were developed based on TEM images taken from nanocomposite samples. Fracture parameters and crack growth of the nanocomposite were investigated using finite element simulations. To validate our models, the simulation results were compared with those found in the literature and good agreement was observed. The results show that the CNT/matrix interface strength has a significant effect on nanocomposite fracture toughness. Optimum fracture toughness is obtained if perfect bonding is established at the CNT/matrix interface.

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  Cite this article

[IEEE Style]

M. Hamedi, "Effect of Elastic and Link Interface on Fracture Parameters of Nanocomposites," Fibers and Polymers, vol. 23, no. 13, pp. 3493-3504, 2022. DOI: 10.1007/s12221-022-4842-4.

[ACM Style]

Mahdiye Hamedi. 2022. Effect of Elastic and Link Interface on Fracture Parameters of Nanocomposites. Fibers and Polymers, 23, 13, (2022), 3493-3504. DOI: 10.1007/s12221-022-4842-4.

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