A damage evolution model considering void shape effect and new damage level definition

•A novel damage level definition was given considering ellipsoid void evolution.•A new damage model was deduced based on both void volume and shape change.•Damage distributions and evolution significantly change with specimen shapes.•Specimen shape has notable impact on fracture characteristics and...

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Veröffentlicht in:	Engineering fracture mechanics 2022-05, Vol.267, p.108461, Article 108461
Hauptverfasser:	Shen, Yi, Ma, Tianbao, Li, Jianqiao
Format:	Artikel
Sprache:	eng
Schlagworte:	Cross-sections Damage Design engineering Ductile fracture Ellipticity Evolution Fracture mechanics Fracture surfaces Mathematical models Nucleation Numerical models Quasi-static tension Shape effects Strain distribution Tensile tests Void number evolution Void shape effect
Online-Zugang:	Volltext
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