Particle surface effects on the spall strength of particle-reinforced polymer matrix composites

Lebar, Anton; Aguiar, Rafaela; Oddy, Andrew; Petel, Oren E.

doi:10.1016/j.ijimpeng.2020.103801

Cited by 15 publications

(5 citation statements)

References 42 publications

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“…16–18 There is also evidence of dynamic material property improvements for particle-reinforced polymers at high-strain rates, 19 provided that there is adequate surface wettability of the particles. 20…”

Section: Resultsmentioning

confidence: 99%

“…[16][17][18] There is also evidence of dynamic material property improvements for particle-reinforced polymers at high-strain rates, 19 provided that there is adequate surface wettability of the particles. 20 There were two samples with pure polyurea layers, one which was adhered to the Kevlar substrate, and another that was nonadhered. For the adhered polyurea layer (Figure 5(b)), there is evidence of shear and tensile failures in the polymer layer.…”

Section: Kevlar Samplesmentioning

confidence: 99%

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Fabric armour erosion using a buried charge ejecta analog

Oddy

Lebar

Aguiar

et al. 2022

Textile Research Journal

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The threat posed by buried explosive charges and their explosive dispersal of environmental debris is associated with a variety of debilitating injuries. The dispersion profile of such threats includes particulate in a broad range of particle length scales, which are more destructive to ballistic fabrics than larger particles alone. Smaller particles are initially dispersed at higher speeds, degrading armour fabrics prior to the arrival of the larger penetrating particulate. In the present work, we present a low-cost industrial abrasion test method to investigate the abrasive wear in neat and polymer-coated ballistic fabrics to determine the level of degradation of the fabrics under the abrasive load. These fabrics were subjected to the impingement of an abrasive jet with average particle velocity of 187 ± 20 m/s. The results showed evidence of significant degradation and failure within the ballistic fabrics, that would certainly influence their subsequent ballistic performance. The addition of polymer coatings was able to reduce the abrasive degradation of the fabrics. The failure modes of the polymer composites are similarly described. This methodology shows promise as a means of armour material screening for this particular threat.

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Section: Resultsmentioning

confidence: 99%

Section: Kevlar Samplesmentioning

confidence: 99%

Fabric armour erosion using a buried charge ejecta analog

Oddy

Lebar

Aguiar

et al. 2022

Textile Research Journal

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“…Then they lead to materials spall failure. The experimental evidences [66][67][68][69] show that the phase boundaries reduce the spall strength of composites, due to the tendentious growth of cracks at phase interfaces. As the mismatch of the phase stiffnesses is greater, the spall strength of composites becomes weaker, while the interface adhesion strength has the opposite effect on the spall strength.…”

Section: The Spall Fracture and Dynamic Compressionmentioning

confidence: 99%

Dynamic strength, reinforcing mechanism and damage of ceramic metal composites

Lin

Zeng

Chen

et al. 2022

International Journal of Mechanical Sciences

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“…[51] Recent results demonstrate the importance of filler-matrix surface adhesion and wetting on the dynamic tensile strength of PRPCs. [52][53][54] FRPCs feature fibers that are integrated into the polymer to effect a change in the bulk material behavior. The fibers may be short (whiskers) or long, and they may be oriented longitudinally, transversally, or randomly.…”

Section: Overview Of Polymer Composites 21 | Classificationsmentioning

confidence: 99%

High‐strain‐rate mechanical performance of particle‐ and fiber‐reinforced polymer composites measured with split Hopkinson bar: A review

2021

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Reinforcing polymers with particles and fibers has been a common strategy for decades, in order to make them suitable for high-demanding industrial applications. As composites often undergo dynamic loads, it is important to understand their behavior under such conditions. This review first classifies the types of polymer composites and then explains their failure behavior under tension and compression loading, followed by an overview of some of the experimental procedures used to characterize the polymer composites' dynamic mechanical performance. Afterward, the most significant findings in terms of the highstrain-rate compressive and tensile strength and modulus of polymer composites are thoroughly discussed. The results, available in the literature, on the mechanical properties of polymer composites under quasi-static conditions are also presented and compared with the high-strain-rate data. The differences are explained by discussing the changes in the structural configurations of polymer matrices under quasi-static and dynamic loads. Lastly, conclusions and future perspectives are given, with the intent of highlighting the most promising polymer composites that can be used for a wide variety of applications.

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Particle surface effects on the spall strength of particle-reinforced polymer matrix composites

Cited by 15 publications

References 42 publications

Fabric armour erosion using a buried charge ejecta analog

Fabric armour erosion using a buried charge ejecta analog

Dynamic strength, reinforcing mechanism and damage of ceramic metal composites

High‐strain‐rate mechanical performance of particle‐ and fiber‐reinforced polymer composites measured with split Hopkinson bar: A review

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