Abstract
The main aim of this paper is to define the interfacial stress transfer parameter s in the Callister model using the Pukanszky model. The parameter s is expressed by the polymer strength, carbon nanotube (CNT) size, and interfacial shear strength. The developed equation is applied to plot the roles of all parameters in the value of s. The reasonable outputs of the developed equation show its accuracy for the CNT nanocomposites. The interfacial shear strength directly handles the parameter s, but the matrix strength has no effect. Thin and long CNT increase the value of s, but thick and short CNT deteriorate it. However, the negligible variation of s within different ranges of CNT dimensions indicates that the CNT size slightly affects the value of s. The parameter B in the Pukanszky model directly handles the parameter s, which is logical because both B and s show the interfacial/interphase properties. In addition, although the aspect ratio of CNT determines the surface area of nanoparticles, it insignificantly manipulates the parameter s.
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