Fragment size distributions from the dynamic fragmentation of brittle solids

Experimental and theoretical size distributions resulting from dynamic fragmentation are briefly surveyed. The power-law character unique to brittle solids is contrasted to fragment distributions of other materials. The catastrophic fracture of competent brittle solids is shown to have close paralle...

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Bibliographic Details
Published in:International journal of impact engineering 2008-12, Vol.35 (12), p.1557-1562
Main Author: Grady, D.E.
Format: Article
Language:English
Subjects:
Brittle solid
Exact sciences and technology
Fluid dynamics
Fracture mechanics (crack, fatigue, damage...)
Fragment distribution
Fragment size
Fragmentation
Fundamental areas of phenomenology (including applications)
General theory
Physics
Solid mechanics
Structural and continuum mechanics
Turbulence
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Summary:Experimental and theoretical size distributions resulting from dynamic fragmentation are briefly surveyed. The power-law character unique to brittle solids is contrasted to fragment distributions of other materials. The catastrophic fracture of competent brittle solids is shown to have close parallels to hydrodynamic turbulence in fluids. Ideas that emerge from the physical similarities suggest methods for extending an earlier energy-based theory of dynamic fragmentation. Features of this theory are compared with limited fragmentation data for brittle solids.
ISSN:0734-743X
1879-3509
DOI:10.1016/j.ijimpeng.2008.07.042