Collapse of a composite beam made from ultra high molecular-weight polyethylene fibres

Liu, Guoming; Thouless, M.D.; Deshpande, V.S.; Fleck, N.A.

doi:10.1016/j.jmps.2013.08.021

Cited by 38 publications

(49 citation statements)

References 10 publications

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“…Liu [27] researched the collapse mechanism of UHMWPE (Ultra High Molecular The load-displacement profiles for short and long beams are depicted in figure 11(a). Figure 11b shows the deformation of short and long beams.…”

Section: Experimental Studies Of Failurementioning

confidence: 99%

“…Moreover, the experimental work and simulations done by Liu et al [27,63] on collapse of UHMWPE composites under bending does not shed light on morphology of kink band during its evolution under stress gradients. The primary focus of Liu's work [27] was to identify the collapse mode for short and long beams under cantilever configuration.…”

mentioning

confidence: 95%

“…The primary focus of Liu's work [27] was to identify the collapse mode for short and long beams under cantilever configuration. But, unfortunately, the study did not cover any quantitative analysis of how the developed wedge shaped kink band led to delamination failure in long beams, since there was a lot of constraint near the built-in end.…”

mentioning

confidence: 99%

“…In addition to the aforementioned limitation, there is another gap of knowledge identified in [27]. During the bending test performed on long beams, the loaddisplacement profile (figure 11a in chapter 2, literature review) showed some load oscillations with increasing displacement.…”

mentioning

confidence: 99%

“…During the bending test performed on long beams, the loaddisplacement profile (figure 11a in chapter 2, literature review) showed some load oscillations with increasing displacement. However, there is no explanation offered in [27] for these load oscillations during kink band evolution.…”

mentioning

confidence: 99%

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Mechanisms for Kink Band Evolution in Polymer Matrix Composites: A Digital Image Correlation and Finite Element Study

Patel

Peralta

2016

Volume 9: Mechanics of Solids, Structures and Fluids; NDE, Diagnosis, and Prognosis

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Polymer matrix composites (PMCs) are attractive structural materials due to their high stiffness to low weight ratio. However, unidirectional PMCs have low shear strength and failure can occur along kink bands that develop on compression due to plastic microbuckling that carry strains large enough to induce nonlinear matrix deformation.Reviewing the literature, a large fraction of the existing work is for uniaxial compression, and the effects of stress gradients, such as those present during bending, have not been as well explored, and these effects are bound to make difference in terms of kink band nucleation and growth. Furthermore, reports on experimental measurements of strain fields leading to and developing inside these bands in the presence of stress gradients are also scarce and need to be addressed to gain a full understanding of their behavior when UDCs are used under bending and other spatially complex stress states.In a light to bridge the aforementioned gaps, the primary focus of this work is to understand mechanisms for kink band evolution under an influence of stress-gradients

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Section: Experimental Studies Of Failurementioning

confidence: 99%

mentioning

confidence: 95%

mentioning

confidence: 99%

mentioning

confidence: 99%

mentioning

confidence: 99%

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Mechanisms for Kink Band Evolution in Polymer Matrix Composites: A Digital Image Correlation and Finite Element Study

Patel

Peralta

2016

Volume 9: Mechanics of Solids, Structures and Fluids; NDE, Diagnosis, and Prognosis

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Experimental and numerical study on the ballistic performance of ultrahigh molecular weight polyethylene laminate

et al. 2021

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Ultrahigh molecular weight polyethylene (UHMWPE) fiber orthogonally laid laminate is widely used in ballistic protection due to its excellent properties. Research on its response under bullet impact is meaningful for understanding the antiballistic mechanism and designing personal protection. In this article, three-dimensional digital image correlation measurement and analysis method is applied to study the response of UHMWPE orthogonally laid laminates under the impact of pistol bullets. A corresponding smoothed particle hydrodynamics (SPH)-finite element method coupled numerical model is established to study the impact phenomenon. The bullet model is developed using the SPH method. The laminate is developed with multiple equivalent sublaminate finite element models. The experimental results show the damage mode and

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Characterization of Deformation Localization Mechanisms in Polymer Matrix Composites: A Digital Image Correlation Study

Patel

Peralta

2017

International Digital Imaging Correlation Society

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Collapse of a composite beam made from ultra high molecular-weight polyethylene fibres

Cited by 38 publications

References 10 publications

Mechanisms for Kink Band Evolution in Polymer Matrix Composites: A Digital Image Correlation and Finite Element Study

Mechanisms for Kink Band Evolution in Polymer Matrix Composites: A Digital Image Correlation and Finite Element Study

Experimental and numerical study on the ballistic performance of ultrahigh molecular weight polyethylene laminate

Characterization of Deformation Localization Mechanisms in Polymer Matrix Composites: A Digital Image Correlation Study

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