3 article(s) from Xia, Kang
Figure 1: Schematic view of the impact simulation setup. (a) Top: side view and bottom: top view. The red reg...
Figure 2: Energy change as a function of the time for an α-GY nanosheet under an impact velocity of 2 km/s. ∆E...
Figure 3: Impact deformation of α-GY under an impact velocity of 2 km/s. (a) von Mises atomic stress distribu...
Figure 4: Impact deformation of different GYs under an impact velocity of 2 km/s. (a, b) Atomic configuration...
Figure 5: Cumulative distribution function (CDF) of the von Mises atomic stress distribution before crack ini...
Figure 6: Number of breaking bonds in GY and graphene nanosheets under different impact velocity amplitudes.
Figure 7: Specific penetration energy as a function of the impact velocity for GY and graphene nanosheets.
Figure 1: (a) A perfect GNR with 3% B-dopant. (b) A perfect GNR with 1.5% B- and 1.5% N-dopant. (c) Velocity ...
Figure 2: (a) Variation in time of the external energy obtained from a perfect GNR. (b) The corresponding fre...
Figure 3: Variation of history of the external energy over time for a perfect GNR with B-dopant densities of ...
Figure 4: Variation of the external energy over time for a perfect GNR with B- and N-dopants. The total densi...
Figure 5: (a) Variation of the external energy over time obtained for a pristine GNR with two vacancies. The ...
Figure 6: Variation of the external energy over time for a defective GNR (two vacancies) with B-dopant. The d...
Figure 7: Variation of the external energy over time for the defective GNR (two vacancies) with both B- and N...
Figure 8: (a) Time history of the external energy obtained from pristine defective GNR with four vacancies. T...
Figure 9: Variation over time of the external energy of the defective GNR with four vacancies and B-dopant de...
Figure 10: Variation over time of the external energy for the defective GNR (four vacancies) with both B- and ...
Figure 11: Results of the defective GNR (four vacancies) with 1.20% B- and 1.20% N-dopant. (a) Variation over ...
Figure 12: (a) Comparisons of the relative natural frequency among all studied samples. (b) Comparisons of the...
Figure 1: Schematic view of the model GNHS-2.0%N2.0%B. Inset ‘A’ shows the boron and nitrogen atoms located a...
Figure 2: Simulation results for pristine GNHS: (a) Stress–strain curve; atomic configurations at the strain ...
Figure 3: Stress–strain curves of GNHS with different percentage of N-dopants between 1% and 4%.
Figure 4: Atomic configurations of GNHS-2%N at a strain of: (a) 0.097; (b) 0.098; (c) 0.099, inset highlights...
Figure 5: Stress–strain curves of GNHS with different percentage of B-dopant ranging from 0.5% to 4%.
Figure 6: Atomic configurations of GNHS-2.5%B at the strain of: (a) 0.094; (b) 0.102; (c) 0.103, inset reveal...
Figure 7: Stress–strain curves of GNHS with different densities of B- and N-dopant.
Figure 8: Atomic configurations of GNHS-0.75%N0.75%B at the strain of: (a) 0.097; (b) 0.101 (c) 0.102; (d) 0....
Figure 9: Yield strain, YP, and Young’s modulus, E, as a function of the concentration of N-, B-, and NB-dopa...