Journal ArticleDOI
Separation at the Interface of a Circular Inclusion and the Surrounding Medium Under an Incident Compressive Wave
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TLDR
In this paper, the separation at the interface of a circular inclusion embedded in a matrix of lower characteristics impedance and subjected to incident compressive waves is investigated, both experimentally and analytically.Abstract:
: Separation at the interface of a circular inclusion embedded in a matrix of lower characteristics impedance and subjected to incident compressive waves is investigated, both experimentally and analytically. In the experiment, the compressive waves were generated by small explosive charges. The qualitative analytical treatment is based on the methods of propagating stress discontinuities. It is shown that a compressive stress wave is converteed into a tensile wave after a refraction and a reflection inside the inclusion. The results of this paper apply to the behavior of fiber-reinforced composites under dynamic loading conditions. (Author, modified-PL).read more
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Application of pulsed HV discharges to material fragmentation and recycling
TL;DR: The physical basis of electric impulse fragmentation and its applications to the recycling of composite materials are reviewed in this article, where applications in the fields of demolition debris, incineration ashes, contaminated surface layers, electric appliances, glass, and elastoplastic materials are discussed.
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Internal stress wave measurements in solids subjected to lithotripter pulses
TL;DR: Experimental results compared favorably to a ray theory analysis of a spherically diverging shock wave striking either concretion or concretion, more closely approximating the wave fields of a clinical extracorporeal lithotripter.
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Fracture in solid spheres and circular disks due to a “point” explosive impulse on the surface
TL;DR: In this article, the results of an experimental study of the fracture of solid spheres and circular disks due to the explosion of a detonator on the surface are presented and a simple analysis is developed which reasonably explains the nature of the characteristic fracture patterns encountered.
Journal ArticleDOI
Internal Fractures in Spheres Due to Stress Wave Focusing
TL;DR: In this article, the locations and times of occurrence of internal fractures in Perspex spheres subjected to localized explosive loading are investigated, and an analysis of stress wave reflection from free boundaries based on the method of geometrical acoustics is found to give predictions which are in good agreement with results obtained from high speed photographs.