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← ScienceWhich outcome results when internal stresses exceed bond energies in amorphous silica?
A)Brittle material fracturing occurs✓
B)Plastic, ductile deformation proceeds
C)Silica sublimation rate decreases
D)Viscosity experiences logarithmic increase
💡 Explanation
Fracturing results because bond breakage via stress corrosion cracking exceeds bond energies, releasing stored elastic strain, therefore macroscopic cracks form rather than ductile deformation because amorphous silica cannot relieve stress via dislocation slip.
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