Ballistic compaction of a confined ceramic powder by a non-deforming projectile: Experiments and simulations

Hazell, Paul J.; Appleby-Thomas, Gareth; Toone, S.

doi:10.1016/j.matdes.2013.12.042

Cited by 15 publications

(9 citation statements)

References 23 publications

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“…It was shown that there was excellent agreement between the pressure-density relationship predicted by the model and the relationship derived from the experimental data. The model was also used to replicate the experiments conducted by Zeuch et al [10] and Hazell et al [3] and in both cases the data generated by the model was in very good agreement with the experimental data.…”

Section: Discussionmentioning

confidence: 71%

“…The powder has a composition of 99.5 % by weight of alumina and a grain size distribution of between 5.5 and 16.0 lm [44]. The particles are angular and blocky in shape and appear to be formed by cleavage along grain boundaries during processing [3]. Figure 5 shows a micrograph of the powder before and after compaction.…”

Section: Materials Used In the Experimentsmentioning

confidence: 99%

“…Quasi-static uniaxial-strain compression tests from Hazell et al [3] Hazell et al [3] conducted uniaxial compression tests where Metco 105NS powder was cold-pressed in situ into a 36-mm deep, 50-mm-internal diameter Dural cup. The powder was compressed under a maximum pressure of 350 MPa.…”

Section: Uniaxial-strain Compression Tests (This Work)mentioning

confidence: 99%

“…This leads to a situation where the material directly under the impact site first flows plastically without cracking and results in an area where the material is mostly intact and twinning and slip are responsible for micro-cracking [3]. Towards the periphery of the impact area, the confining pressure is reduced due to the flow of micro-fracture debris along the shaft of the projectile.…”

Section: Introductionmentioning

confidence: 99%

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A discrete element model to predict the pressure-density relationship of blocky and angular ceramic particles under uniaxial compression

2015

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In this study, we present a numerical model based on the discrete element method (DEM) that incorporates contact friction and rolling resistance to simulate the uniaxial, isostatic compaction of hard, blocky and angular ceramic powders. The model has been formulated using the open-source software, YADE. In this numerical model, packing followed by the compaction of up to 25,000 powder particles has been simulated and the HertzMindlin contact model has been used to simulate the rolling resistance and contact friction between the particles. The numerical model is discussed in detail and the pressure-density relationships developed by this model are compared with experimental data derived during the course of this study as well as data from two previous studies. Overall, the proposed simplistic DEM model is shown to produce good agreement with test results under considered loading conditions.

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Section: Discussionmentioning

confidence: 71%

Section: Materials Used In the Experimentsmentioning

confidence: 99%

Section: Uniaxial-strain Compression Tests (This Work)mentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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A discrete element model to predict the pressure-density relationship of blocky and angular ceramic particles under uniaxial compression

2015

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“…[23]. The associated material parameters for the JH-2 material behavior used in ABAQUS FE code are given in Table 4 [24,25]. Table 5.…”

Section: Numerical Simulationmentioning

confidence: 99%

Influence of different back laminate layers on ballistic performance of ceramic composite armor

Liu

Chen

et al. 2015

Materials & Design

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This paper mainly reported a new type of ceramic composite armor with a back laminate of Ti6Al4V/UHMWPE/Ti6Al4V against the 12.7 mm armor piercing projectile at a velocity of 818 m/s. The mechanism of the whole ceramic composite armor against the projectile, and the function of each layer in the back laminates were systematically investigated around the experiments and numerical simulations. The results indicated that the outermost Ti6Al4V layer provided support for the UHMWPE layer, leading to the UHMWPE layer displaying the extremely high buffer performance during the impact process. Meanwhile, the middle UHMWPE layer also had an energy balance function between the first and outermost Ti6Al4V layers to cause small damage in the back laminate layers. Thus, this configuration contributed to absorb or dissipate the more energy of the impact projectile, successfully preventing the perforation of the projectile.

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Computational analysis on the different core configurations for metal sandwich panel under high velocity impact

Faidzi

Abdullah

et al. 2021

Soft Comput

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Ballistic compaction of a confined ceramic powder by a non-deforming projectile: Experiments and simulations

Cited by 15 publications

References 23 publications

A discrete element model to predict the pressure-density relationship of blocky and angular ceramic particles under uniaxial compression

A discrete element model to predict the pressure-density relationship of blocky and angular ceramic particles under uniaxial compression

Influence of different back laminate layers on ballistic performance of ceramic composite armor

Computational analysis on the different core configurations for metal sandwich panel under high velocity impact

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