Patterned Armor Performance Evaluation for Multiple Impacts

Rosset, de; William, S Bush

doi:10.21236/ada417165

Cited by 7 publications

(4 citation statements)

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“…84 High performance polyethylene (HPPE) fabric coated with elastomer was analyzed and was claimed to enhance multi-hit fire performance. 85 Additionally, Kevlar fabrics can be sprayed with STF (shear thickening fluid) in very thin coats to create liquid body armor. STF contains nanoparticles that solidify instantly against sudden impact.…”

Section: Categoriesmentioning

confidence: 99%

Review of Body Armor Research

Yang

Gong

et al. 2017

AATCC Journal of Research

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This paper aims to provide a comprehensive review of body armor research with regards to categories, function, and ballistic performance; demonstrating that the improvement in materials and structures are the two basic factors promoting the technology behind body armor improvements. Additionally, this review also provides a better understanding of body armor, its importance, and the benefits of further developments in this field.

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Section: Categoriesmentioning

confidence: 99%

Review of Body Armor Research

Yang

Gong

et al. 2017

AATCC Journal of Research

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“…Several fragments are examined under a microscope to determine failure characteristics, making this process very time consuming and expensive. In the past 60 years, many empirical material models have been developed to predict failure at high strain-rates to correlate with experimental results [1][2][3][4]. Most of these models rely on high strain-rate data obtained using the Split Hopkinson Pressure Bar (SHPB) or other high strain-rate testing.…”

Section: Introductionmentioning

confidence: 99%

Prediction of fragmentation and experimentally inaccessible material properties of steel using finite element analysis

Schreiber

Smid

Eden

et al. 2015

Finite Elements in Analysis and Design

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“…Gel-spun, ultrahigh molecular weight, high performance polyethylene (HPPE) fabric coated with elastomer has been analyzed and it has been claimed that multi-hit fire performance of the elastomer coated fabric panel was enhanced [18]. Ballistic fabric from para-aramid (Kevlar 129 ® , DuPont) and unidirectional structure from HPPE (Dyneema SK60 ® , Toyobo) were impacted upon to determine the failure mechanism.…”

Section: Introductionmentioning

confidence: 99%

Multidirectional Stitched Layered Aramid Woven Fabric Structures and their Experimental Characterization of Ballistic Performance

Bilişik

Turhan

2009

Textile Research Journal

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The aim of the research was to develop light and enhanced energy absorbed layered ballistic structures. For this reason, various ballistic structures were developed. These structures form two groups: multiaxially stitched and unstitched. Each group further consists of four structure types: (i) 14-layer Kevlar 29 woven fabric; (ii) 14-layer Kevlar 129 woven fabric; (iii) 7-layer Kevlar 29 fabric and 7-layer Kevlar 129 fabric; and (iv) 12-layer Kevlar 29 fabric oriented with respect to basic fabric direction at an angle of ±45° and 2-layer Kevlar 129 fabric. The Kevlar 29 and 129 fibers were considered to have 2.9 and 3.4 GPa tensile strengths and 70 and 99 GPa tensile modulus values, respectively, and the properties of the fibers were equalized in fabric form, but the Kevlar 129 fiber had a lower unit weight fabric (g/m2 ). Each of the developed structures were affected by five types of threat: 0.22, 0.38 round nose, 9 mm full metal jacketed, 0.357 jacketed soft point and 7.62 full metal jacketed projectiles. The results show that there were no significant energy absorption differences between multiaxis stitched and unstitched structures. However, conical depths upon impact on the multiaxis stitched structures were small compared to those of the unstitched structures. This result might be useful, especially in the design of soft vest applications.

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Patterned Armor Performance Evaluation for Multiple Impacts

Cited by 7 publications

References 1 publication

Review of Body Armor Research

Review of Body Armor Research

Prediction of fragmentation and experimentally inaccessible material properties of steel using finite element analysis

Multidirectional Stitched Layered Aramid Woven Fabric Structures and their Experimental Characterization of Ballistic Performance

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