Mechanical performance of ultra-high-strength polyethylene fibers

Ulcay, Yusuf; Pourdeyhimi, Behnam; Block, Ira

doi:10.1016/0961-9526(91)90015-k

Cited by 5 publications

(6 citation statements)

References 11 publications

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“…26–28 It has been reported by many investigations that the tensile properties (especially strength) of various fibres and yarns are dependent on the tested gauge lengths. 14,19,29–36 The effect of gauge length arises from the distribution of critical flaws in some periodic fashion along the fibre length direction. The probability that large flaws exist is higher in longer fibres, which leads to a decrease in strength with increasing fibre length.…”

Section: Resultsmentioning

confidence: 99%

Tensile properties of ultra-high-molecular-weight polyethylene single yarns at different strain rates

Wang

Hazell

Shankar

et al. 2019

Journal of Composite Materials

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This paper presents the details of experimental work on characterising the tensile properties of UHMWPE (Spectra® 1000) single yarns at different strain rates from 3.3 × 10−5 to 400/s. According to the measured stress–strain curves, there was a transition from ductile to brittle behaviour as the strain rate increased from 3.3 × 10−5 to 0.33/s; the tensile properties were highly sensitive to strain rate in this range. Specifically, the tensile strength and Young’s modulus increased distinctly with increasing strain rate while the failure strain and toughness decreased. However, these tensile properties were not dependent on strain rate over the range from 0.33 to 400/s. The results showed that the measured tensile strength, failure strain and Young’s modulus were independent of the tested gauge lengths (25 and 50 mm). Moreover, yarn type (warp and weft) had a noticeable effect on tensile strength, but the effect of yarn type on failure strain and Young’s modulus was negligible. The microscopic examination of fractured fibres’ ends revealed that fibrillation and axial splitting were the dominant fracture modes at low strain rates, while the fibres failed in a more brittle manner with little fibrillation at high strain rates.

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Section: Resultsmentioning

confidence: 99%

Tensile properties of ultra-high-molecular-weight polyethylene single yarns at different strain rates

Wang

Hazell

Shankar

et al. 2019

Journal of Composite Materials

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“…15-24 Gas mixtures containing oxygen, ~-2~ ammonia 22 or polymer-forming plasmas 23 have been used. Plasma treatments containing oxygen resulted in improved flexural properties, ~5'~7'~9 pull-out strength 16"2°' [22][23][24] and ILSS values up to 30 to 34MPaJ5 ~7,2~ Improvements in bond strength were attributed to enhanced wettability, mechanical interlocking and chemical bonding. The effect of plasma treatments on the reduction in tensile strength was generally fairly small (less than 10%).…”

Section: Fibre/matrix Adhesionmentioning

confidence: 97%

“…15 ' 17"23"24 Besides corona and plasma treatments, also chemical etching has been used. 24 '25 Recently, showed that regardless of the type of treatment, being either chemical etching, corona or plasma, the introduction of functional groups, rather than wettability and mechanical interlocking, is the predominant factor in improving the adhesion between ultradrawn PE and epoxy matrices. By monitoring the changes in surface topography using scanning electron microscopy (SEM) and surface composition (X-ray photoelectron spectroscopy) the improvement in pull-out strength could be related to the introduction of functional oxygen-containing groups, i.e.…”

Section: Fibre/matrix Adhesionmentioning

confidence: 99%

The role of interface and fibre anisotropy in controlling the performance of polyethylene-fibre-reinforced composites

Peijs

Rijsdijk

Kok

et al. 1994

Composites Science and Technology

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DOI to the publisher's website. • The final author version and the galley proof are versions of the publication after peer review. • The final published version features the final layout of the paper including the volume, issue and page numbers. Link to publication General rights Copyright and moral rights for the publications made accessible in the public portal are retained by the authors and/or other copyright owners and it is a condition of accessing publications that users recognise and abide by the legal requirements associated with these rights. • Users may download and print one copy of any publication from the public portal for the purpose of private study or research. • You may not further distribute the material or use it for any profit-making activity or commercial gain • You may freely distribute the URL identifying the publication in the public portal. If the publication is distributed under the terms of Article 25fa of the Dutch Copyright Act, indicated by the "Taverne" license above, please follow below link for the End User Agreement:

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“…The fourfold improvement in τ for the OMS, fluorescent silane, and SiO 2 treatments can be compared with previous microbond shear strength tests using high‐modulus UHMWPE fibers and epoxy resin beads. In the case of chemically etched (using aqua regia) Spectra 900™ fibers, τ increased 1.4 fold without significant decreases in the fiber strength 5. For chemically (chromic acid) or plasma‐etched UHMWPE fibers of different draw ratios, τ increased three‐ to fourfold for the chromic acid etchant and four‐ to tenfold for the plasma treatment 6.…”

Section: Resultsmentioning

confidence: 99%

“…It has been suggested3 that physicochemical interactions, mechanical interlocking, and chemical interactions or bonding affect adhesive strength. Both chemical4, 5 and plasma‐etching treatments6, 7 have been used to improve UHMWPE/resin matrix interfacial adhesion 8. The degree of adhesion enhancement is determined by the power of and the particular surface changes introduced by the etchant.…”

Section: Introductionmentioning

confidence: 99%

Chemical surface treatment of ultrahigh molecular weight polyethylene for improved adhesion to methacrylate resins

Debnath

Ranade

Wunder

et al. 2005

J of Applied Polymer Sci

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Ultrahigh molecular weight polyethylene (UHMWPE) has high yield strength and modulus, but is nonpolar and chemically inert. For it to be used as an effective reinforcing agent for composites, methods to make the UHMWPE wettable or capable of reaction with the matrix are critical. In the current work, Spectra 900 ™ (UHMWPE) fibers were surface modified by swelling in p-xylene with:(1) methylmethacrylate (MMA) monomer; (2) PMMA; (3) camphorquinone (CQ); (4) 3-methacryloxypropyltrichlorosilane (Cl-MPS); (5) trimethoxysilyl modified polyethylene, N-(triethoxysilylpropyl)-dansylamide (fluorescent silane), or octadecyltrimethoxy silane (OMS), followed by hydrolysis and reaction with Cl-MPS; and (6) by coating with SiO 2 films followed by reaction with MPS. These modifiers were used to improve wettability and provide sites for chemical interactions with the resin matrix. Beads of resin [60/40 BisGMA-TEGMA (bis-phenol A bis-(2-hydroxypropyl) methacrylate and tri(ethylene glycol) dimethacrylate)] were light-cured around the treated fibers and the improvement in adhesion was tested by microbond shear strength () tests. The improvements were comparable to those reported by acid etching and plasma treatments. The OMS, fluorescent silane, and SiO 2 /Cl-MPS treatments yielded the best results, that is fourfold increases in compared with untreated fibers.

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Mechanical performance of ultra-high-strength polyethylene fibers

Cited by 5 publications

References 11 publications

Tensile properties of ultra-high-molecular-weight polyethylene single yarns at different strain rates

Tensile properties of ultra-high-molecular-weight polyethylene single yarns at different strain rates

The role of interface and fibre anisotropy in controlling the performance of polyethylene-fibre-reinforced composites

Chemical surface treatment of ultrahigh molecular weight polyethylene for improved adhesion to methacrylate resins

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