Abstract
Debonding of a single CNT (carbon nanotube) from the midway or one end of a CNT rope is studied in this paper. The analysis of buckling-driven debonding of an individual CNT is based on an elastic beam model, while the local debonding growth, stability and arrest are explained by the energy release rate criterion. The debonding from a preloaded CNT rope is driven by excess energy released from the unbuckled to the buckled state of an individual CNT. Some interesting debonding behaviors are displayed for varying dimensions, compression strain and van der Waals (vdW) adhesive energy. The growth of the debonding may be stable, unstable or unstable growth followed by a stable growth when an initial debonding CNT rope is loaded.
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