Stress intensity factors of double cantilever nanobeams via gradient elasticity theory

•Double cantilever nanobeam model via the gradient elasticity theory is presented.•Stress intensity factors are obtained and exhibit size effects.•Stress intensity factors are reduced if the size effect is considered.•Fracture toughness is enhanced for nanobeams compared to large scale beams. Growth...

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Veröffentlicht in:	Engineering fracture mechanics 2013-06, Vol.105, p.58-64
Hauptverfasser:	Zhang, H., Li, X.F., Tang, G.J., Shen, Z.B.
Format:	Artikel
Sprache:	eng
Schlagworte:	Double cantilever beam Elasticity Energy release rate Fracture mechanics Fracture toughness Gradient elasticity Nanocomposites Nanomaterials Nanoscale crack Nanostructure Stress intensity factor
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