Research Article

Study of the Nanomechanics of CNTs under Tension by Molecular Dynamics Simulation Using Different Potentials

Table 3

Elastic, elastic-plastic properties of multiwall CNT by the tension test (tension test is carried out by applying velocity of some atoms at both ends of the CNT, 20ā€‰m/s).

ā€‰ Potentials , GPa , GPa , GPa

Double-walled 5-5, 10-10 CNT9.1Airebo [29]1014.5112.821600.21750175.503490.32870
Tersoff [10]1152.9112.34520.16460162.506800.27450
Rebo [11]970.41112.637700.22090198.802600.33950
Rebo [31]1000.9112.448600.21870192.859500.34840
Inclusion with Rebo [11]983.05113.177200.22080168.556590.30890
4.51Airebo [29]1047113.959400.22380168.984210.31490
Tersoff [10]1053.6114.495100.22250170.086200.31500
Rebo [11]1063.8113.553000.21690177.222900.32990
Rebo [31]1061.7113.048900.21790163.336200.30550
Inclusion with Rebo [11]1045.1114.155000.22350172.639600.31340

Three-walled 5-5, 10-10, 15-15 CNT9.1Airebo [29]1071.2114.036400.21340176.423400.30660
Tersoff1112.1117.73470.1846180.92150.2946
Rebo [11]960.32113.114300.21650224.301410.34430
Rebo [31]1011.3111.750100.20460212.107800.34500
Inclusion with Rebo [11]1118.5110.951800.19090174.310900.29360
4.51Airebo [29]757.9780.740400.20330123.156200.31920
Tersoff [10]917.4984.033000.17470108.585300.27420
Rebo [11]755.782.832800.22410142.036900.32090
Rebo [31]756.5980.300100.20370117.807700.30060
Include with Rebo [11]759.480.856700.20450127.869000.30110

Four-walled 5-5, 10-0, 15-15, 20-20 CNT9.1Airebo [29]956.18113.642900.22340162.125200.31360
Tersoff [10]1162.3117.31190.1849166.38230.2750
Rebo [11]832.63111.008200.21450213.496800.35470
Rebo [31]877.48111.142600.21370189.545390.34470
Inclusion with Rebo [11]1053113.420000.21490171.457700.31030
4.51Airebo [29]1222136.583400.21970190.494900.37090
Tersoff [10]1052.8116.53930.1853167.86560.2843
Rebo [11]1174.4133.393490.20440244.050090.33610
Rebo [31]1150136.241000.22530225.166900.34280
Inclusion with Rebo [11]1273.8137.696200.22140213.034300.30450