Title : Intrinsic Notch Effect Leads to Breakdown of Griffith Criterion in Graphene.

Pub. Date : 2017 Jul

PMID : 28508577






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1 Due to lack of the third dimension in 3D bulk materials, the crack tip in graphene locates on several atoms implying that its fracture behavior can be closely associated with its lattice structure, i.e., the bond length and angle. Graphite TOR signaling pathway regulator Homo sapiens
2 Through the comparisons between theoretical calculations and experimental data, here it is first demonstrated that the bond angle is essential for understanding the fracture behavior in graphene, serving as an intrinsic notch reducing the stress singularity near the crack tip (the intrinsic notch effect), leading to the breakdown of the Griffith criterion in graphene. Graphite TOR signaling pathway regulator Homo sapiens
3 Through the comparisons between theoretical calculations and experimental data, here it is first demonstrated that the bond angle is essential for understanding the fracture behavior in graphene, serving as an intrinsic notch reducing the stress singularity near the crack tip (the intrinsic notch effect), leading to the breakdown of the Griffith criterion in graphene. Graphite TOR signaling pathway regulator Homo sapiens