Molecular Simulations of Cyclic Loading Behavior of Carbon Nanotubes Using the Atomistic Finite Element Method

Table 2

Steady state cyclic strength and strain of all CNTs obtained from simulations.

Loading manner	Steady state cyclic strength and strain	Chiral angle 𝜙 (degree)
		0 (zigzag)	10.9	19.1	30 (armchair)
Cyclic compression	Yielding strain	0.028	0.029	0.047	0.085
	Yielding strength (GPa)	385	268	248	470
Cyclic tension	Yielding strain	0.32	0.31	0.34	0.39
	Yielding strength (GPa)	1370	1120	1670	2800