Journal ArticleDOI
Failure phenomenology of confined ceramic targets and impacting rods
TLDR
In this paper, the authors studied the mechanism by which a long rod penetrates a steel-encased ceramic block by performing impact experiments at a range of velocities and examining the fracture and deformation in the recovered targets and impactors.About:
This article is published in International Journal of Impact Engineering.The article was published on 1990-01-01. It has received 239 citations till now. The article focuses on the topics: Ceramic.read more
Citations
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Computational modelling of impact damage in brittle materials
G. T. Camacho,Michael Ortiz +1 more
TL;DR: In this paper, a Lagrangian finite element method of fracture and fragmentation in brittle materials is developed, where a cohesive-law fracture model is used to propagate multiple cracks along arbitrary paths.
Journal ArticleDOI
Review of experimental techniques for high rate deformation and shock studies
TL;DR: In this paper, a variety of techniques used to obtain the mechanical properties of materials at high rates of strain (⩾10 s−1) are summarised, including dropweight machines, split Hopkinson pressure bars, Taylor impact and shock loading by plate impact.
Journal ArticleDOI
Aluminum foam integral armor: a new dimension in armor design
Bazle A. Gama,Travis A. Bogetti,Bruce K. Fink,Chin-Jye Yu,T. Dennis. Claar,Harald H. Eifert,John W. Gillespie +6 more
TL;DR: In this article, the performance of aluminum foam-based composite integral armor was compared with the baseline integral armor of equivalent areal-density by impacting panels with 20-mm FSP.
Journal ArticleDOI
A finite deformation continuum\discrete model for the description of fragmentation and damage in brittle materials
TL;DR: In this article, a dynamic finite element analysis of large displacements, high strain rate deformation behavior of brittle materials is presented in total Lagrangian coordinates, and a continuum-discrete damage model capable of capturing fragmentation at two size scales is derived by combining a continuum damage model and a discrete damage model for brittle failure.
References
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Journal ArticleDOI
Indentation fracture: principles and applications
Brian R. Lawn,Rodney Wilshaw +1 more
TL;DR: The basic principles and practical applications of indentation fracture are reviewed in this article, with a focus on the application of fracture fracture in the field of orthogonal fracture repair and alignment.
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Quasi-static solid particle damage in brittle solids—I. Observations analysis and implications
Anthony G. Evans,T.R. Wilshaw +1 more
TL;DR: In this paper, an approximate stress analysis has indicated the importance of both the impression radius and the ratio of the hardness to the fracture toughness in the development of the observed fractures, which has been used to examine several important consequences of indentation fracture.
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Impact damage in brittle materials in the elastic-plastic response régime
TL;DR: In this paper, the impact fracture created in the elastic-plastic response regime has been characterized in terms of its surface extension and penetration, and some implications for strength degradation and erosion have been discussed.
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Shear deformation under pyramidal indentations in soda-lime glass
TL;DR: In this paper, the nature of the flow lines that occur in the deformed zone in soda-lime glass under pyramidal indentations has been investigated, and it was shown that the spiral flow lines meet at 110°, instead of the 90° required by the ideal rigid-plastic behaviour.
Journal ArticleDOI
Studies of contact damage in polycrystalline zinc sulphide
TL;DR: In this article, the porous zone is formed by gross grain-boundary displacements in the region directly beneath the indenter and all the cracks emanate from around this porous zone and are contained within an extensive plastic zone.