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Online since: November 2018
Authors: Amin Esfandiarpour, Mohsen Motamedi
Graphene Young’s modulus without cracks and with different cracks at various strain rates
Young’s Modulus (GPa)
Strain rate(1/ps)
Crack 8
Crack 7
Crack 6
Crack 5
Crack 4
Crack 3
Crack 2
Crack 1
Without crack
718
820.9
861.1
893.7
697.3
795.4
849.4
887.3
905.11
0.0005
720.4
823.7
862.7
895.7
699.2
797.2
851.0
889.6
906.3
0.001
722.9
824.5
864.3
896.0
700.5
798.3
853.6
891.1
909.9
0.002
723.1
824.7
865.8
898.2
702.1
799.4
855.2
892.6
911.3
0.003
725.1
826.1
868.2
904.3
704.3
803.8
858.3
894.0
913.4
0.005
728.2
828.1
870.4
905.2
707.1
805.6
860.6
896.6
916.5
0.008
As the strain rate increases, the Young’s modulus show an increasing trend with the strain rate.
Online since: June 2012
Authors: Yu Xue, Tong Shu Hua, Hao Yang Sun
Table 1 Characteristics of polyisobutylene
oil
Characteristics
PB1300
PB2400
Density(20℃)/(kg/m3)
896.0
905.0
Viscosity(20℃)(Pas)
117.0
1050.0
Viscosity(100℃)(Pas)
0.577
4.700
Refractive index
1.497
1.504
The experiment works at room temperature (20±1℃).