Ballistic impact response of Ultra-High-Molecular-Weight Polyethylene (UHMWPE)

Zhang, Timothy G.; Satapathy, S.; Vargas-Gonzalez, Lionel; Walsh, Shawn M.

doi:10.1016/j.compstruct.2015.06.081

Cited by 109 publications

(37 citation statements)

References 14 publications

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“…A finite element (FE) model was constructed and a parametric study was carried out to identify the critical material parameters. Optimal values of these material parameters were found that best matched the test data reported in Zhang et al 4 The organization of this work is as follows. In Section 2, the numerical modeling of the composite laminate is presented, which includes a summary of the ballistic experiments, a description of the FE models for the projectile and panel, the material model, and the methods used to model delamination.…”

Section: Introductionmentioning

confidence: 73%

“…The CT scan of the panels after impact 4 showed that the composite failed through tensile breakage, shear failure, crushing, and delamination. In addition, UHMWPE has been shown to exhibit damage softening 8 and strain rate effect 9 in the stressstrain curve.…”

Section: Materials Modelmentioning

confidence: 99%

“…The ballistic experiments to measure ballistic limit velocity, V50, and BFD experiments to measure time dependent deformation of flat UHMWPE panels and their failure characteristics were reported earlier 4 in detail. The effects of fiber orientations, boundary conditions were studied in those experiments.…”

Section: Numerical Model Of Composite Laminatementioning

confidence: 99%

“…A series of ballistic impact experiments, where various parameters of interest such as ballistic limit V50 and BFD were measured, were reported earlier by Zhang et al 4 Digital image correlation (DIC) and X-ray imaging were used in those experiments to characterize time evolution of deformation, delamination, and damage of the composite. Ballistic limit velocities were also established for different thicknesses of the composite.…”

Section: Introductionmentioning

confidence: 99%

“…Once a calibrated model is available for simulating ballistic experiments with a cross-ply flat plate, the effect of the hybrid plate 4 and plate curvature in the helmet would be incorporated by carrying out additional ballistic experiments and associated modeling. While numerous ballistic data for UHMWPE exist with realistic bullets, for modeling purposes, experimental data with nondeforming projectiles are imperative to isolate composite behavior.…”

Section: Introductionmentioning

confidence: 99%

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Modeling Ballistic Response of Ultra-High-Molecular-Weight Polyethylene (UHMWPE)

Zhang¹,

Satapathy²,

Vargas-Gonzalez³

et al. 2016

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Public reporting burden for this collection of information is estimated to average 1 hour per response, including the time for reviewing instructions, searching existing data sources, gathering and maintaining the data needed, and completing and reviewing the collection information. Send comments regarding this burden estimate or any other aspect of this collection of information, including suggestions for reducing the burden, to Department of Defense, Washington Headquarters Services, Directorate for Information Operations and Reports (0704-0188), 1215 Jefferson Davis Highway, Suite 1204, Arlington, VA 22202-4302. Respondents should be aware that notwithstanding any other provision of law, no person shall be subject to any penalty for failing to comply with a collection of information if it does not display a currently valid OMB control number. PLEASE DO NOT RETURN YOUR FORM TO THE ABOVE ADDRESS. REPORT DATE (DD-MM-YYYY)July 2016 ARL-TR-7723 SPONSORING/MONITORING AGENCY NAME(S) AND ADDRESS(ES) 10. SPONSOR/MONITOR'S ACRONYM(S) SPONSOR/MONITOR'S REPORT NUMBER(S) DISTRIBUTION/AVAILABILITY STATEMENTApproved for public release; distribution is unlimited. SUPPLEMENTARY NOTES ABSTRACTThis report presents a numerical model that captures various aspects of ballistic behavior of ultra-high-molecular-weight polyethylene, such as ballistic limit V50, back-face deformation (BFD) profile, remaining thickness of intact material, and interior delamination. The roles of fiber tension/shear and crush failure were investigated using a finite element model. Delamination due to matrix material failure at the interface between adjacent layers was investigated using a tiebreak contact algorithm. Parametric analyses were carried out to identify sensitive parameters that affected the material response to ballistic loading conditions. The results suggest that better helmet material needs to have higher interlaminar tensile strength, transverse Young's modulus, and crush strength and smaller transverse shear modulus and damage softening parameters. The parametric study also indicated that higher in-plane shear modulus resulted in lower V50 and lower BFD. A set of material parameters was identified that best fit the V50, BFD profile, remaining thickness of intact composites, and delamination failure observed in the experiments. Approved for public release; distribution is unlimited. SUBJECT TERMSiii

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Section: Introductionmentioning

confidence: 73%

Section: Materials Modelmentioning

confidence: 99%

Section: Numerical Model Of Composite Laminatementioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

See 3 more Smart Citations

Modeling Ballistic Response of Ultra-High-Molecular-Weight Polyethylene (UHMWPE)

Zhang¹,

Satapathy²,

Vargas-Gonzalez³

et al. 2016

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Nature‐Inspired Protecto‐Flexible Impact‐Tolerant Materials

Estrada

Ossa

2020

Adv Eng Mater

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The search for impact‐tolerant, light‐weight flexible materials has challenged materials scientists and engineers for decades. In this quest, many researchers have focused on studying natural armor as a guide to propose bioinspired materials with enhanced properties. The energy dissipation and flexibility mechanisms activated at different hierarchical structural levels of natural systems are used here as a guide to improve the energy and flexibility of synthetic materials. In particular, fish scales and osteoderms are selected as proper biological models to develop a novel family of cost‐effective bioinspired protecto‐flexible (Pf) materials. Furthermore, a bullet‐proof protecto‐flexible prototype is manufactured and tested. The ballistic tests suggest that under real stringent conditions, the system is capable of absorbing high levels of energy while remaining flexible enough to allow movement to the user. Remarkably, the material system developed allows its implementation into realistic high volumes of production with low added costs. Consequently, the proposed strategy for developing bioinspired Pf materials will enable the development of the next generation of high‐performance impact‐resistant materials.

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Experimental and simulated investigation of temperature distribution of UHMWPE laminated composites during hot pressing process

Zeng

Guo

et al. 2017

J of Applied Polymer Sci

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In this article, the influence of molding temperature on the mechanical properties and ballistic impact behavior of the ultrahigh molecular weight polyethylene (UHMWPE) laminated composites has been investigated. The results demonstrate that with the temperature increasing from 80 to 120 °C, the tensile strength decreases while the interlaminar bonding strength increases. The UHMWPE laminated composites manufactured by hot pressing of 75 layers UHMWPE fabrics show excellent ballistic performance when the molding temperature reaches 120 °C, indicating that dominant failure mechanism of the UHMWPE laminated composites are delamination, the fiber tension as well as bulging. Furthermore, a numerical model has been proposed to predict the temperature distribution of the UHMWPE laminated composites for a better understanding of the effect of molding temperature on the ballistic performance. The results show that the simulated results and experimental data are in good agreement. © 2017 Wiley Periodicals, Inc. J. Appl. Polym. Sci. 2018, 135, 45874.

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Ballistic impact response of Ultra-High-Molecular-Weight Polyethylene (UHMWPE)

Cited by 109 publications

References 14 publications

Modeling Ballistic Response of Ultra-High-Molecular-Weight Polyethylene (UHMWPE)

Modeling Ballistic Response of Ultra-High-Molecular-Weight Polyethylene (UHMWPE)

Nature‐Inspired Protecto‐Flexible Impact‐Tolerant Materials

Experimental and simulated investigation of temperature distribution of UHMWPE laminated composites during hot pressing process

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