Effect of surface modification and knife penetration angle on the Quasi-Static Knife Penetration Resistance of para-aramid fabrics

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dc.contributor.authorJavaid, Muhammad Usman
dc.contributor.authorMilitky, Jiri
dc.contributor.authorWiener, Jakub
dc.contributor.authorJabbar, Abdul
dc.contributor.authorSalacova, Jana
dc.contributor.authorUmair, Muhammad
dc.date.accessioned2019-07-29T09:40:29Z
dc.date.available2019-07-29T09:40:29Z
dc.date.issued2019-04-03
dc.description.abstractThe focus of this paper is to describe the effect of change in surface friction of single layer para-aramid (TwaronA (R)) square woven fabric and change in knife penetration angle on its Quasi-Static Knife Penetration Resistance (QSKPR). The surface friction of fabric was changed by depositing SiO2 on its surface by using water glass as a precursor. Six different knife penetration angles (0 degrees, 22.5 degrees, 45 degrees, 67.5 degrees, 90 degrees and 135 degrees) were selected. Untreated and treated fabric samples were compared for change in QSKPR. It was observed that the deposition of SiO2 on the surface of TwaronA (R) fabric increased the surface friction which resulted in the increase in QSKPR. The response of fabric against QSKPR changed from partial yarn cutting to individual yarn cutting in fewer steps and load was distributed to a larger area due to decrease in yarn slippage. The change in penetration angle changed the distance, knife cutting edge travelled to cut each next yarn(s) and when this distance increased, the QSKPR was reduced. The post-penetration image analysis of damaged fibres showed that the load distribution among warp and weft yarns was complementary and change in penetration angles changed the distribution of stabbing load among the warp and weft yarns. When yarns with higher tensile strength and less slippage were loaded, the fabric showed highest resistance to penetration. A QSKPR prediction model was also proposed at the end.cs
dc.format.extent11 strancs
dc.identifier.doi10.1080/00405000.2018.1496988
dc.identifier.urihttps://dspace.tul.cz/handle/15240/152998
dc.identifier.urihttps://www.tandfonline.com/doi/full/10.1080/00405000.2018.1496988
dc.language.isocscs
dc.relation.ispartofJOURNAL OF THE TEXTILE INSTITUTE
dc.subjectfrictioncs
dc.subjectsilicon dioxidecs
dc.subjectwater glasscs
dc.subjectpara-aramidcs
dc.subjectStab resistancecs
dc.titleEffect of surface modification and knife penetration angle on the Quasi-Static Knife Penetration Resistance of para-aramid fabricscs
local.citation.epage599
local.citation.spage590
local.identifier.publikace7415
local.relation.issue4
local.relation.volume110
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