Optimal alignment for maximizing the uniaxial modulus of 2D anisotropic random nanofiber networks

Figures & data

Figure 1. Schematic diagrams of (a) the anisotropic nanofiber network and (b) the definition of fiber number densities on the cross-sections in the preferential direction and its cross direction.

Figure 2. (a-c) The stiffness percolation process of 2D network with the increase of network density and (d) basic forms of small stable clusters (SSC), large stable clusters (LSC) and load-carrying paths (LCP).

Figure 3. (a) Relations between the load-carrying probability and the network density and (b) normalized stiffness thresholds of networks with different anisotropic degrees (λ_f = 400).

Figure 4. Normalized bending-stretching transitional threshold of networks with different anisotropic degrees (λ_f = 400).

Figure 5. (a) The relations between the normalized uniaxial modulus and relative network density at different anisotropic degrees and (b) the slopes of the linear regime of $\hat{\rho }-\hat{E}$ curves for networks with different anisotropic degrees (λ_f = 400).

Figure 6. Curves of normalized uniaxial modulus versus anisotropic degree at different network densities (λ_f = 400).

Data Availability Statement

Data will be made available on request from the corresponding authors.