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THE APPLICATION OF THE COHESIVE ZONE MODEL ON THE ANALYSIS OF MECHANICAL PROPERTIES OF CARBON NANO-TUBE COMPOSITES WITH DEBONDING INTERFACE
Preview AbstractThe purpose of this paper is to investigate the influence of cohesive zone model (CZM) on the mechanical properties of CNTs-composites with debonding interface, and the finite element computation is carried out by the ANSYS software with CZM. The CZM model represents the interface separation and traction using three parameters derived from a surface potential function, and the effective plastic strain and stress concentration factor are calculated for the models with and without cohesive zone. It is obviously found that the effective plastic strain increases and the stress concentration factor decreases with the application of CZM, and it is reasonable to improve the mechanical properties of CNT-composites with debonding interface by applying the CZM.