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Dynamic stress analysis of the interface in a particle-reinforced composite. (English) Zbl 0964.74027

Summary: We give an analysis of dynamic stresses on a particle-matrix interface in particle-reinforced composites and show that this stress can lead to the microvoid nucleation due to interfacial debonding. A sphere containing a concentric rigid spherical particle is taken as a representative volume element. We use the Laplace transform to derive the basic equations, and obtain analytical solutions by means of Hankel transform. Moreover, we study the influence of inertia and viscosity on the debonding damage.

MSC:

74H35 Singularities, blow-up, stress concentrations for dynamical problems in solid mechanics
74E30 Composite and mixture properties
74R99 Fracture and damage
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