The effects of heterogeneity and anisotropy on the size effect in cracked polycrystalline films

A model is developed for quantifying the size effect due to heterogeneity and anisotropy in polycrystalline films. The Monte Carlo finite element calculations predict the average and standard deviation of the microscopic (local) stress intensity factors and energy release rate of a crack in a column...

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Veröffentlicht in:	International journal of fracture 1999, Vol.95 (1-4), p.19-39
Hauptverfasser:	BALLARINI, R, MULLEN, R. L, HEUER, A. H
Format:	Artikel
Sprache:	eng
Schlagworte:	Anisotropy Boundary conditions Computer simulation Condensed matter: structure, mechanical and thermal properties Crack initiation Crack tips Crystal structure Crystallinity Deformation Elastic properties Energy release rate Exact sciences and technology Fatigue, brittleness, fracture, and cracks Finite element method Fracture mechanics (crack, fatigue, damage...) Fracture mechanics, fatigue and cracks Fundamental areas of phenomenology (including applications) Grains Heterogeneity Mechanical and acoustical properties Mechanical and acoustical properties of condensed matter Mechanical properties of solids Parameters Physical properties of thin films, nonelectronic Physics Polycrystals Size effects Solid mechanics Standard deviation Stress intensity factors Structural and continuum mechanics Surfaces and interfaces thin films and whiskers (structure and nonelectronic properties)
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