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Relevant bibliographies by topics / Nylon fibres

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Academic literature on the topic 'Nylon fibres'

Author: Grafiati

Published: 4 June 2021

Last updated: 7 February 2022

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Journal articles on the topic "Nylon fibres"

1

YANG, YANG, YU XIN, WANG XUNGA, LIU XIN, and ZHANG PEIHUA. "Thermal comfort properties of cool-touch nylon and common nylon knitted fabrics with different fibre fineness and cross-section." Industria Textila 72, no. 02 (April 22, 2021): 217–24. http://dx.doi.org/10.35530/it.072.02.20209.

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Cool-touch nylon multi-filament yarns with good heat transfer performance are widely used in the development of knitted fabrics for summer and sports clothing. However, the physical properties of cool-touch nylon fibres, and the effect of fineness and cross-section on comfort-related properties of their knitted fabrics are still not well understood. In this study, the physical properties of cool-touch nylon fibres and common nylon fibres, and comfort properties of knitted fabrics from both fibre types were measured and compared. It was found that cool-touch nylon fibres have better moisture absorption, but slightly lower crystallinity than common nylon fibres. Regarding the fibre fineness and cross-section of cool-touch nylon and common nylon, knitted fabrics showed a similar dependence on thermal comfort properties. Cool-touch nylon fabrics had increased wicking capacity, thermal transfer, and cooling properties, but poorer drying performance and moisture permeability compared to common nylon fabrics. It was concluded that using nylon multi-filament yarns made up of finer filaments and cool touch filaments is an effective way to develop thermal-wet comfort knitted fabrics for summer and sports clothing applications.

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Morales-Luckie, Raúl A., Víctor Sánchez-Mendieta, Oscar Olea-Mejia, Alfredo R. Vilchis-Nestor, Gustavo López-Téllez, Víctor Varela-Guerrero, L. Huerta, and Jesús Arenas-Alatorre. "Facile Solventless Synthesis of a Nylon-6,6/Silver Nanoparticles Composite and Its XPS Study." International Journal of Polymer Science 2013 (2013): 1–8. http://dx.doi.org/10.1155/2013/235850.

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Silver nanoparticles were synthesized and supported on thin nylon membranes by means of a simple method of impregnation and chemical reduction of Ag ions at ambient conditions. Particles of less than 10 nm were obtained using this methodology, in which the nylon fibers behave as constrained nanoreactors. Pores on nylon fibres along with oxygen and nitrogen from amide moieties in nylon provide effective sites forin situreduction of silver ions and for the formation and stabilization of Ag nanoparticles. Transmission electron microscopy (TEM) analysis showed that silver nanoparticles are well dispersed throughout the nylon fibers. Furthermore, an interaction between nitrogen of amides moieties of nylon-6,6 and silver nanoparticles has been found by X-ray photoelectron spectroscopy (XPS).

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Cooke, Theodore F., and Hans-Dietrich Weigmann. "Stain blockers for nylon fibres." Review of Progress in Coloration and Related Topics 20, no. 1 (October 23, 2008): 10–18. http://dx.doi.org/10.1111/j.1478-4408.1990.tb00069.x.

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Dawelbeit, Ahmed, and Muhuo Yu. "Transient Confinement of the Quaternary Tetramethylammonium Tetrafluoroborate Salt in Nylon 6,6 Fibres: Structural Developments for High Performance Properties." Materials 14, no. 11 (May 29, 2021): 2938. http://dx.doi.org/10.3390/ma14112938.

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A temporary confinement of the quaternary tetramethylammonium tetrafluoroborate (TMA BF4) salt among polyamide molecules has been used for the preparation of aliphatic polyamide nylon 6,6 fibres with high-modulus and high-strength properties. In this method, the suppression or the weakening of the hydrogen bonds between the nylon 6,6 segments has been applied during the conventional low-speed melt spinning process. Thereafter, after the complete hot-drawing stage, the quaternary ammonium salt is fully extracted from the drawn 3 wt.% salt-confined fibres and the nascent fibres are, subsequently, thermally stabilized. The structural developments that are acquired in the confined-nylon 6,6 fibres are ascribed to the developments of the overall fibres’ properties due to the confinement process. Surprisingly, unlike the neat nylon 6,6 fibres, the X-ray diffraction (XRD) patterns of the as-spun salt-confined fibres have shown diminishing of the (110)/(010) diffraction plane that obtained pseudohexagonal-like β’ structural phase. Moreover, the β’ pseudohexagonal-like to α triclinic phase transitions took-place due to the hot-drawing stage (draw-induced phase transitions). Interestingly, the hot-drawing of the as-spun salt-confined nylon 6,6 fibres achieved the same maximum draw ratio of 5.5 at all of the drawing temperatures of 120, 140 and 160 °C. The developments that happened produced the improved values of 43.32 cN/dtex for the tensile-modulus and 6.99 cN/dtex for the tensile-strength of the reverted fibres. The influences of the TMA BF4 salt on the structural developments of the crystal orientations, on the morphological structures and on the improvements of the tensile properties of the nylon 6,6 fibres have been intensively studied.

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Klein, N., and G. Marom. "Surface Induced Crystallization in Fibre Reinforced Nylon 6,6 Composites." Advanced Composites Letters 1, no. 4 (July 1992): 096369359200100. http://dx.doi.org/10.1177/096369359200100401.

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The present study deals with the growth of transcrystalline layer in Nylon 6,6 reinforced with HM pitch based carbon or aramid fibres. The kinetics of transcrystalline growth is investigated quantitatively. The surface energy parameters that are derived here, can be used to define a better criterion for the nucleation of transcrystallinity from the fibre surface. The free energy difference function, Δσ, as it appears in the classical theory of heterogeneous nucleation is calculated for both aramid and HM carbon fibres.

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Islam, Ashadul, Aojoy Kumar Shuvo, Showaib Ahmed Chowdhury, Shayla Sharmin, and Mehedi Hasan. "A Comparative Study on the Properties of Natural, Synthetic and Steel Fibre Reinforced Concrete." Journal of Civil Engineering and Construction 10, no. 4 (November 15, 2021): 216–24. http://dx.doi.org/10.32732/jcec.2021.10.4.216.

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The use of fibers in concrete at relatively low volume fraction has been gaining rising popularity among researchers for the recent years due to its availability, ability to enhance overall performance and cost effectiveness. Fibers are mainly classified according to their origin. Numerous researches have been carried out with natural and artificial fibers separately to elucidate its effect on the various parameters of concrete. However, a little finding is available about the comparative study among these three distinct types of fibers affecting concrete properties. In this study coconut coir, nylon thread and low-cost galvanized iron wire have been selected as natural, synthetic and steel fibers respectively. Coconut coir and nylon thread were mixed at three different percentage of 1.5%, 2.5% and 3.5% respectively by weight of cement. Steel fibre contents 1.5%, 2.5% and 3.5% respectively by weight of concrete. The results were obtained through an experimental investigation that shows the influence of natural, synthetic and steel fibers on rheological and mechanical properties of concrete. Optimum fibre content was 2.5% where steel fibre shows a maximum 17% and 30% rise in compressive and flexure strength respectively. On the other hand, fibres play a great role with its combining effect on the post cracking ductility and energy absorption of concrete.

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King, Steve. "SANS from Surfactant-Treated Nylon Fibres." Fibre Diffraction Review 12, no. 12 (2004): 41. http://dx.doi.org/10.1382/s20041241.

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Marmo, L., and D. Cavallero. "Minimum ignition energy of nylon fibres." Journal of Loss Prevention in the Process Industries 21, no. 5 (September 2008): 512–17. http://dx.doi.org/10.1016/j.jlp.2008.04.003.

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Akbari Motlagh, Ali, and Ebrahim Mirzaei. "Effect of using Fibre on the Durability of Asphalt Pavement." Civil Engineering Journal 2, no. 2 (February 1, 2016): 63–72. http://dx.doi.org/10.28991/cej-2016-00000013.

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Using the fibre additives with a uniform distribution in asphaltic concrete mixture is a well-known technique for improving the mechanical properties and durability of asphalt pavement. The purpose of this study is to investigate the effect of preparing fibre and production of the properties of bitumen and asphalt concrete mixture. In this study, a dense-graded aggregation, mineral fibres (asbestos) and synthetic fibres (polyester and nylon) were used. Laboratory studies were done by comparing different rheological properties, mechanical and moisture susceptibility of mixtures of fibres. Results of the penetration and softening point on mixtures of bitumen – fibre show that fibres improve the mixed rheological properties and stiffening effect of fibre properties. The results of Marshall Tests indicate that adding fibres reduces the strength in Marshall and results in the slight increase in the percentage of optimum bitumen content and asphalt percentage of air voids in comparison with typical fibre. The results of the indirect tensile tests showed that the addition of fibres, depending on the percentage of fibres significantly improves the durability of the mixture.

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Baouab, Mohamed Hassen V., Mohamed Khalfaoui, Aghleb Bartegi, and Robert Gauthier. "Immobilization of Residual Basic Dyes onto Polyamide Ion-Exchanger Materials." Adsorption Science & Technology 23, no. 7 (September 2005): 555–72. http://dx.doi.org/10.1260/026361705775212439.

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This paper reports the preparation of methacrylic acid-grafted nylon (MAA—nylon) by treating nylon-6,6 fibres with methacrylic acid (MAA) and the use of this modified polyamide as an ion-exchanger for the immobilization of pollutant basic dyes. The grafting of MAA onto nylon-6,6 was demonstrated both by weight uptake and atomic force microscopy. The exchange capacity of MAA—nylon was evaluated by potentiometric titration of the acidic groups. Five MAA—nylon fibres with different degrees of grafting (20–80%) were tested for the adsorption of two basic dyes, viz. Basic Blue 3 and Basic Red 24. Such adsorption was monitored by visible spectroscopy. The adsorption capacity was found to depend on the degree of grafting and on the temperature. The experimental data were fitted using the Langmuir and Freundlich models. However, an improved fit could be obtained by using the Jossens model.

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Dissertations / Theses on the topic "Nylon fibres"

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Chen, Xiaocai Joyce. "Fractionation of nylon fibres." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1998. http://www.collectionscanada.ca/obj/s4/f2/dsk2/tape17/PQDD_0005/MQ28927.pdf.

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Harrison, Michael James. "Degradation and stabilisation of nylon 6,6." Thesis, Manchester Metropolitan University, 1989. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.330309.

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Kegel, Mark Steven, and n/a. "Fibres from recycled post consumer PET/nylon 6 blends." Swinburne University of Technology, 2006. http://adt.lib.swin.edu.au./public/adt-VSWT20070606.111448.

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The objective of this project was to develop blends based upon post consumer RPET and N6, and to evaluate the suitability of these blends to form fibres for the end use in carpet fibre. In the work carried out it was found it is possible to spin RPET/N6 biconstituent fibres over a wide range of blend ratios. All the blends studied have diminished physical properties when compared to those of pure RPET and N6. The processability of these blends also deteriorated due to the large increases in normal forces which manifests in extrusion equipment as die swell that often results in melt fracture. It has been shown that the morphology of the fibre controls the degree of decay in properties and die swell at the spinnerette. The blends that are rich in one phase, with the secondary phase distributed as elongated fibrils have shown better physical performance and improved processing compared to the blends 70/30 � 30/70, which have poorer properties and increased die swell due to there co-continuous morphology. In quiescent studies, the physical properties of the blends have had little deviation from those predicted using a rule of mixtures line. In and around the 50% RPET blend, die swell was observed to be extreme and this makes fibre spinning difficult. It was found that this was caused by a loss in viscosity in the blends and a general increase in normal forces in response to applied shear. The die swell phenomenon is a rheological characteristic of the blends, which was inevitably caused by internal capillary flow of one component in the other. IR spectroscopy has shown that there is little to no in-situ compatibilisation occurring during simple melt processing. However, it was found that significant interfacial compatibilisation could be achieved through solid stating N6/RPET blends. The FTIR spectra for solid state blends in figure 4.51 has shown absorbency in the 3300 cm-1 region after all free N6 was removed. This indicates that in-situ compatibilisation has occurred between the phases in the solid stating process and it is a time dependent reaction. The Burgers and Koltunov models can be used to predict the creep behaviour of the fibre blends studied. The Burgers model provides greater accuracy for longer-term exposure to stress. From the thermal results, the solid stating process significantly affects the melting and crystallisation out of the melt and the ultimate level of crystallinity. The contribution of the copolymer in these changes appears to be small. The physical strength of the fibres made on the laboratory line was only marginally lower than those made on a factory line. The morphology of the mid-range blends is co-continuous and that of the N6 and RPET rich blends is dispersed droplet morphology. Based on the finding, a N6 rich blends and in particular the 10% RPET blend is the most suitable for further commercial development as its processing, physical performance and post spinning processing closely resemble the pure N6 currently in use. It has provided performance and consistency throughout the processing and testing we have conducted.

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Kegel, Mark. "Fibres from recycled post consumer PET/nylon 6 blends." Australasian Digital Thesis Program, 2006. http://adt.lib.swin.edu.au/public/adt-VSWT20070606.111448/index.html.

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Thesis (PhD) - Swinburne University of Technology, Industrial Research Institute Swinburne - 2006.
A thesis submitted to Industrial Research Institute Swinburne in fulfilment of the requirements for the degree of Doctor of Philosophy, Swinburne University of Technology - 2006. Typescript. "July 2006". Includes bibliographical references (p. 147-156).

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Miraftab, M. "The influence of temperature and humidity on the flex fatigue lives of nylon 6, nylon 6.6 and polyester fibres." Thesis, University of Manchester, 1986. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.375735.

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A multi-station flex fatigue tester has been developed, allowing a wide range of environmental settings. A detailed study of fatigue behaviour under increasing temperature and humidity is made. In general, an upward trend in fatigue life of all the polymers tested is recorded with increasing temperature and humidity. Scanning electron microscope studies of unbroken samples under specific conditions revealed a central split in the fibre at the point of flexure. Partially fatigued fibres are tensile tested for their remaining strength and their fracture morphologies examined. Finally, a theoretical explanation of the apparent cause of increase in fatigue life is given in relation to the development of the central crack.

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Motamedian, Farid. "La répartition du colorant dans les fils en nylon : les effets sur le rendement de couleur et les différents types de solidité et sur la réflectance du tissu calculée à partir d'un modèle optique." Sherbrooke : Université de Sherbrooke, 2000.

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Palardy, Genevieve. "Aspects of the melt spinning of fibres from carbon nanotube- nylon nanocomposites." Thesis, McGill University, 2012. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=107732.

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Carbon nanotubes (CNT) have experienced growing popularity in the past two decades. The field of advanced composite materials has developed quite an interest in using them for high performance applications, such as into thermoplastic fibres. However, a review of the literature showed that there was a lack of understanding between the rheological behavior of CNT-filled polymer and the processability of such materials through melt spinning. In this work, a methodology to incorporate carbon nanotubes (CNT) into thermoplastic fibres and to relate mechanical properties, fibre quality and viscosity was developed. Multi-walled nanotubes (MWNT) were combined into a polyamide 12 (PA12) matrix through melt compounding and twin-screw extrusion. Pellets containing 0 wt%, 0.5 wt%, 1.0 wt%, 2.0 wt%, 5.0 wt% and 10.0 wt% MWNT were produced. Their rheological behaviour was investigated and spinnability and processability criteria were developed based on the loss factor and the relative viscosity. They both predicted that masterbatches containing more than 2.0 wt% CNT would be unsuitable for the production of high quality MWNT/PA12 fibres. The pellets were subsequently melt spun with a capillary rheometer at winding speeds of 41 m/min and 152 m/min. The tensile properties of as-spun filaments were measured with a micro-tensile testing machine. The results showed that the maximum Young's modulus was reached between 0 wt% and 1.0 wt% CNT, exhibiting an increase of 17%. Morphological observations revealed that there was a link between the decrease of elastic modulus and loss of surface quality for filaments containing more than 1.0 wt% MWNT. To further improve the fibres' mechanical properties, post-drawing parameters were systematically investigated: temperature, drawing speed and elongation. The best improvements in terms of elastic modulus and tensile stress were measured for the following post-drawing conditions: 140C and 500% elongation, regardless of drawing speed. The elastic modulus (E) and tensile stress values of MWNT/PA12 fibres were improved by at least 300% after post-drawing. Compared to pure PA12 fibres post-drawn under the same conditions, E increased by up to 45% and the tensile stress by up to 62%, for fibres containing 5.0 wt% MWNT. It was confirmed through electron microscopy and X-ray diffraction that these enhancements were caused by uniform nanotube dispersion, the improvement of surface quality and the alignment of the polymer chains along the fibre axis, controlled by the post-drawing temperature and elongation. Control of the mechanical properties with the post-drawing parameters shows that this method gives the opportunity to tailor CNT-fibres to meet specific demands.
Les nanotubes de carbone (CNT) ont connu une vague de popularité depuis les 20 dernières années. L'industrie des matériaux composites a développé un intérêt marqué pour leur utilisation dans des applications haute performance, telles que les fibres thermoplastiques. Par contre, une revue de la litérature a démontré qu'il y avait un manque d'information concernant le lien entre le comportement rhéologique des CNT-polymères et la facilité de fabrication par filage à l'état fondu. Dans ce travail, une méthodologie détaillée pour incorporer des nanotubes de carbone (CNT) dans des fibres thermoplastiques et relier leurs propriétiés mécaniques à leur qualité de surface et leur viscosité a été développée. Des nanotubes à multiples parois (MWNT) ont été incorporés dans une matrice de polyamide 12 (PA12) par extrusion bi-vis. Des granules contenant 0%, 0.5%, 1.0%, 2.0%, 5.0% et 10.0% de CNT par masse ont été formulées. Leur comportement rhéologique a été investigué des critères de prodédé par filage ont été développés, basés sur la viscosité relative et le facteur de perte. Ils ont tout deux prédit que des formulations contenant plus de 2.0% de CNT par masse seraient inadéquates pour la production de fibres MWNT/PA12 de qualité. Les granules ont été par la suite filées par fusion avec un rhéomètre capillaire à des vitesse de filage de 41 m/min et 152 m/min. Les propriétés en tension des filaments ont été mesurées avec une machine de test micro-tension. Les résultats ont démontrés que le module d'Young a augmenté d'une valeur maximale de 17% entre 0 et 1.0% de CNT. Des observations morphologiques ont révélées qu'il y avait un lien entre la diminution du module d'élasticité et le fini de surface de filaments contenant plus de 1.0% MWNT. Pour davantage augmenter les propriétés mécaniques, des paramètres de post-étirement ont été investigués systématiquement: température, vitesse d'étirement et elongation. Les meilleures améliorations en terme de module d'élasticité et de contrainte en tension ont été mesurées pour les paramètres suivants: 140C et 500% d'élongation, peu importe la vitesse d'étirement. Le module d'élasticité et la contrainte en tension ont augmenté d'au moins 300% après le post-traitement. Ces propriétés ont augmenté de 45% et 62%, respectivement, pour les fibres contenant 5.0% MWNT, comparées aux fibres pures de PA12 étirées selon les mêmes conditions. Il a été confirmé par microscopie électronique et diffraction aux rayons X que ces gains ont été causés par la distribution plus uniforme des nanotubes, l'amélioration du fini de surface et l'alignement des chaînes de polymère le long des fibres, contrôlés par la temperature et l'élongation. Le contrôle des propriétés mécaniques avec les paramètres de post-étirement démontre que cette méthode s'avère fort prometteuse pour confectionner des fibres selon des applications spécifiques.

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BEN, DHIA AMOR. "Caracterisation, modelisation et calcul d'une structure composite fibres de nylon-resine caoutchouc." Paris 6, 1994. http://www.theses.fr/1994PA066319.

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L'objet de cette etude est la membrane pneumatique de la suspension secondaire des rames tgv. Organe de forme torique, elle est constituee d'un empilement de plis composites a renforts (fibres de nylon) localement unidirectionnels et noyes dans une resine caoutchouc. L'objectif de ce travail est la modelisation de cette structure. Pour ce faire, dans une premiere etape, une campagne de mesures experimentales a ete menee afin d'identifier les parametres geometrique et mecaniques qui influent sur le comportement de la piece consideree. De la sorte a ete constate, en particulier, le comportement non lineaire des constituants ainsi que celui des plis composites. Dans une deuxieme etape, le calcul du comportement equivalent des plis composites a ete realise par utilisation d'une methode d'homogeneisation. La confrontation de ces resultats avec l'experience s'est revelee satisfaisante. La simulation numerique de la reponse de la structure a une sollicitation axisymetrique a necessite la mise en uvre de la methode lagrangienne actualisee. La resolution des problemes non lineaires ainsi obtenus a ete realisee par utilisation de l'algorithme de newton a l'aide d'un code elements finis industriel. Apres validation des resultats numeriques par confrontation avec l'experience, et leur analyse, l'etape suivante a consiste en l'etude de la susceptibilite a l'endommagement de la structure. Cette etude a ete realisee sur une structure de geometrie plus simple mais qui reproduit neanmoins les caracteristiques mecaniques de la membrane. Deux approches sont presentees et confrontees: l'une experimentale, et l'autre numerique

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Fernandez, Lorences Jose O. "Crystallinity changes in PET and Nylon 11 with strain, strain rate and temperature." Thesis, Loughborough University, 1999. https://dspace.lboro.ac.uk/2134/32894.

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The mechanical properties of PET (widely used in bottles and synthetic fibres) and Nylon 11 (also used in the fabrication of synthetic fibres) were studied over several decades of strain rate at different temperatures in an effort to provide a more complete description of these materials behaviour. Processing techniques can be improved if such information is available. Tests were carried out using a conventional Hounsfield machine and two in-house-developed dropweight and a cross bow systems from 10°C to 200°C. The three systems enable true stress vs. true strain curves to be calculated.

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Thomas, Janet Lyn. "The effect of dyeing parameters on the lightfastness properties of acid dyes in nylon 6,6 fibres." Thesis, Manchester Metropolitan University, 1996. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.296491.

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Books on the topic "Nylon fibres"

1

International Bureau for the Standardisation of Man-Made Fibres. Internationally agreed methods for testing nylon staple fibres. Basle, Switzerland: BISFA, 1986.

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Nylon: The manmade fashion revolution : a celebration of design from art silk to nylon and thinking fibres. London: Bloomsbury, 1999.

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Handley, Susannah. Nylon: The story of a fashion revolution : a celebration of design from art silk to nylon and thinking fibres. Baltimore, Md: Johns Hopkins University Press, 1999.

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Spratt, G. The mechanical properties of glass fibre reinforced nylon. s.l.: The Author, 1988.

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Rommerskirchen, Eva. Künstliche Versuchung: Nylon, Perlon, Dederon : [Begleitbuch zur Ausstellung im Haus der Geschichte der Bundesrepublik Deutschland, Bonn, 23. April bis 22. August 1999 / Redaktion, Eva Rommerskirchen]. Köln: Wienand, 1999.

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E, McIntyre J., ed. Synthetic fibres: Nylon, polyester, acrylic, polyolefin. Cambridge: CRC/Woodhead Publishing Ltd., 2005.

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MacIntyre, J. E. Synthetic fibres: Nylon, polyester, acrylic, polyolefin (Woodhead Publishing Limited). CRC, 2004.

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National Register of Foreign Collaborations (India) and India. Dept. of Scientific & Industrial Research., eds. Technology in Indian polypropylene fibre and filament yarn industry: A status report prepared under the National Register of Foreign Collaborations. New Delhi: Govt. of India, Dept. of Scientific & Industrial Research, Ministry of Science & Technology, 1990.

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The 2006-2011 World Outlook for Nylon and Other Polyamide Fibers. Icon Group International, Inc., 2005.

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Parker, Philip M. The 2007-2012 World Outlook for Manufactured Nylon and Other Polyamide Fibers. ICON Group International, Inc., 2006.

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Book chapters on the topic "Nylon fibres"

1

Deopura, B. L., and A. K. Mukherjee. "Nylon 6 and nylon 66 fibres." In Manufactured Fibre Technology, 318–59. Dordrecht: Springer Netherlands, 1997. http://dx.doi.org/10.1007/978-94-011-5854-1_13.

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Marmo, Luca. "Explosion of Nylon Fibres Occurred in a Textile Plant." In Probabilistic Safety Assessment and Management, 3408–13. London: Springer London, 2004. http://dx.doi.org/10.1007/978-0-85729-410-4_545.

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Eltink, S. J. E. A., S. Boer, and J. A. H. M. Moonen. "Crystal Structure and Annealing Behaviour of Nylon 46 Copolymer Fibres." In Crystallization of Polymers, 553–58. Dordrecht: Springer Netherlands, 1993. http://dx.doi.org/10.1007/978-94-011-1950-4_55.

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Hearle, J. W. S., R. Prakash, M. A. Wilding, and H. A. Davis. "The Structural Mechanics of Nylon and Polyester Fibres: Approaches to Theoretical Understanding." In Integration of Fundamental Polymer Science and Technology—2, 540–44. Dordrecht: Springer Netherlands, 1988. http://dx.doi.org/10.1007/978-94-009-1361-5_82.

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Burkinshaw, S. M. "Nylon." In Chemical Principles of Synthetic Fibre Dyeing, 77–156. Dordrecht: Springer Netherlands, 1995. http://dx.doi.org/10.1007/978-94-011-0593-4_2.

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Gooch, Jan W. "Nylon Fiber." In Encyclopedic Dictionary of Polymers, 495. New York, NY: Springer New York, 2011. http://dx.doi.org/10.1007/978-1-4419-6247-8_8052.

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Causin, Valerio. "Nylon Fiber-Reinforced Polymer Composites." In Polymer Composites, 293–314. Weinheim, Germany: Wiley-VCH Verlag GmbH & Co. KGaA, 2012. http://dx.doi.org/10.1002/9783527645213.ch9.

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Mastrangelo, Christina M., Joseph M. Porter, and Robert V. Baxley. "Multivariate Process Monitoring for Nylon Fiber Production." In Frontiers in Statistical Quality Control 6, 228–46. Heidelberg: Physica-Verlag HD, 2001. http://dx.doi.org/10.1007/978-3-642-57590-7_14.

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Mohammadizadeh, M., and I. Fidan. "Experimental Evaluation of Additively Manufactured Continuous Fiber Reinforced Nylon Composites." In TMS 2020 149th Annual Meeting & Exhibition Supplemental Proceedings, 321–28. Cham: Springer International Publishing, 2020. http://dx.doi.org/10.1007/978-3-030-36296-6_30.

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Kim, Hyun-Kyung, Jeong-Ho Lee, Chun-Ho Park, and Jae-Wha Kim. "Development Integrated Roof Rack of Nylon and Continuous Fiber Composite." In Lecture Notes in Electrical Engineering, 153–62. Singapore: Springer Singapore, 2018. http://dx.doi.org/10.1007/978-981-10-8506-2_10.

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Conference papers on the topic "Nylon fibres"

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Sancaktar, Erol, and Satilmis Basan. "Excimer Laser Treatment of Nylon Fibers for Improved Adhesion to Vulcanized Natural Rubber." In ASME 2020 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference. American Society of Mechanical Engineers, 2020. http://dx.doi.org/10.1115/detc2020-22435.

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Abstract Cords made of steel, nylon or polyester are important reinforcement components used in tire industry. The bond strength between the cords and the rubber matrix is closely related to the surface properties of the cord fibers. Previous research revealed Ultraviolet (UV) laser-induced characteristic topography on synthetic fibers after irradiation, which is considered by us as an advantageous factor in developing bonding strength between fiber-rubber composites. We applied various UV laser treatments on the surfaces of nylon fibers in order to obtain similar topographic features. Adhesion is affected by the valleys and peaks that form on the surface of the fibers by laser radiation. In this study, nylon cords were irradiated with different number of UV pulses using an excimer laser to understand the effect of the laser beam on nylon fiber-rubber adhesion. A fiber pull-out test method developed by our research group for bonding strength of nylon cord fibers to carbon black filled and vulcanized natural rubber was utilized in pull-out configuration. The results showed that the maximum pull-out load was reached at 300 laser pulses and then decreased.

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Absar, Saheem, Mujibur Khan, and Kyle Edwards. "Processing of Hybrid Nanocomposite High Performance Fibers (UHMWPE+Nylon 6+CNT+MAH) Using Solution Spinning Technique." In ASME 2014 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 2014. http://dx.doi.org/10.1115/imece2014-37183.

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Ultrahigh molecular weight polyethylene (UHMWPE) fiber blends with Nylon-6 and reinforced with single-walled carbon nanotubes (SWCNT) were produced using a solution spinning process. Polyethylene-graft-Maleic Anhydride (PE-g-MAH) was used as a compatibilizer to enhance the interfacial bonding between the polymer phases. The loading of Nylon-6, MAH, and SWCNTs with respect to UHMWPE was 20 wt.%, 10 wt.% and 2 wt.% respectively. The development of morphological characteristics due to the inclusion of a compatibilizer in an immiscible hybrid polymer nanocomposite fiber is hereby discussed. Characterization studies of the hybrid fibers were performed using scanning electron microscopy (SEM), Energy-dispersive X-Ray Spectroscopy (EDS) and Fourier-transform infrared spectroscopy (FTIR).

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Liu, Zhihui, Jing Shi, and Yachao Wang. "Evaluating Tensile Properties of 3D Printed Continuous Fiber Reinforced Nylon 6 Nanocomposites." In ASME 2018 13th International Manufacturing Science and Engineering Conference. American Society of Mechanical Engineers, 2018. http://dx.doi.org/10.1115/msec2018-6700.

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3D printing (additive manufacturing) has become a popular method to create three-dimensional objects due to its high efficiency and is easy to operate. 3D printing of continuous fiber reinforced polymers has been a challenge. The fused deposition modeling (FDM) processes for this purpose were proposed and made possible only several years ago. The 3D printed continuous fiber reinforced polymers are able to improve the mechanical properties by leaps and bounds. In this paper, we aim to investigate the possibility of further improve the mechanical properties of 3D printed continuous fiber reinforced polymers by adding nano fillers to the polymer matrix. In experiment, the Kevlar fiber is chosen to be the continuous fiber material, and nylon 6 (PA 6) is chosen to be the polymer matrix material. Carbon nanotubes (CNTs) and graphene nano platelets (GNPs) nanoparticles are first mixed with nylon 6 pellets to make nanocomposites. The nanocomposites are then extruded into filaments for 3D printing. During the 3D printing process, both Kevlar filament and nanocomposite filament are fed through the printing nozzle and deposited on the platform. Tensile specimens are made from pure PA 6 and four types of nanocomposites, namely, 0.1wt% CNT/PA 6, 1wt% CNT/PA 6, 0.1wt% GNP/PA 6, 1wt% GNP/PA 6. By incorporating four layers of Kevlar fiber, which leads to the weight percentage of about 9% for Kevlar fiber in materials, fiber composite tensile specimens are made from Kevlar/PA 6 composite and four fiber reinforced nanocomposites, namely, Kevlar/0.1%CNT/PA 6, Kevlar/1%CNT/PA 6, Kevlar/0.1%GNP/PA 6, and Kevlar/1%GNP/PA 6. The tensile tests reveal that CNTs filled PA 6 nanocomposites show less significant improvements in mechanical properties as compared to the GNP filled PA 6. With only 0.1wt% of GNP, the tensile modulus improves by 101%, and with 1wt% of GNP, the modulus improves by 153%. The results also indicate that although Kevlar fibers dominate the main mechanical properties of the printed composite materials, the existence of GNP nano fillers also provide noticeable contribution to the enhancement of tensile strengths and moduli, while the effect of CNTs is much less pronounced.

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Amaria, Anosh P., Jason N. Armstrong, Felipe M. Pasquali, and John F. Hall. "Rule of Mixtures Model for 3D Printed Kevlar Reinforced Nylon: Determination of Volume Fraction Using Thermal Gravimetric Analysis." In ASME 2020 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference. American Society of Mechanical Engineers, 2020. http://dx.doi.org/10.1115/detc2020-22506.

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Abstract An experimental procedure to determine the elastic modulus and tensile strength of kevlar reinforced nylon composites is discussed. Thermal Gravimetric Analysis (TGA), has been performed to determine the volume fraction of fiber and matrix components. TGA is a robust method to determine the volume fraction. It is also less labor intensive as compared to other methods. Samples with varying kevlar-nylon layer ratio were additively manufactured using fused deposition modelling (FDM) based on ASTM D3039 standards. MarkForged Mark X7 3D printer was used to manufacture samples. Elastic and tensile tests of the samples were conducted. The relation between volume fraction and elastic modulus of the composite can indeed be fit into the rule of mixtures model. However, its applicability for ultimate tensile strength for high fiber ratio composites has been put to question. The direction of fibers in the additively manufactured samples has been kept parallel to the loading direction. In this paper we will give the readers a deeper understanding of how additively manufactured composite samples behave under loading, further facilitating the design process for materials produced by additive manufacturing.

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Kim, Jaeyoon, and Bruce S. Kang. "Optimization of Design Process of Fused Filament Fabrication (FFF) 3D Printing." In ASME 2018 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 2018. http://dx.doi.org/10.1115/imece2018-87916.

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Fused Filament Fabrication (FFF) is one of the most common Additive Manufacturing (AM) technologies for thermoplastic materials. PLA, ABS, and nylon have generally been used for prototype development. With the development of carbon fiber reinforced polymer (CFRP) filament for FFF, AM parts with improved strength and functionality can be realized. While mechanical properties of various CFRP have been well studied, design methodology for structural optimization of CFRP parts remains an active research area. In this paper, a systematic optimization of design process of FFF 3D printing methodology is proposed for CFRP. Starting with standard coupon specimen tests including tensile, bending, and creep tests to obtain mechanical properties of CFRP. Finite element analyses (FEA) are conducted to find principal directions of the AM part and computed principal directions are utilized as fiber orientations. Then, the connecting lines of principal directions are used to develop a customized tool-path in FFF 3D printing to extrude fibers aligned with principal directions. Since currently available infill-patterns in 3D printing cannot precisely draw customized lines, a specific tool-path algorithm has been developed to distribute fibers with the desired orientations. To predict/assess mechanical behavior of the AM part, 3D printing process was simulated followed by FEA to obtain the anisotropic structural behavior induced by the customized tool-path. To demonstrate the design/manufacturing methodology, spur gears of a ball milling machine were selected as a case study and carbon fiber reinforced nylon filament was chosen as the AM materials. Relevant compression tests were conducted to assess their performance compared with those printed at regular tool-path patterns. Preliminary results show that CFRP gear printed by customized tool-path has about 8% higher stiffness than those printed by regular patterns. Also, flow distribution of printed fibers was verified using scanning electron microscope (SEM). SEM images showed that approximately 91% of fibers were oriented as intended. In summary, assisted by FEA, a customized 3D printing tool-path for CFRP has been developed with a case study to verify the proposed AM design methodology.

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Ridge, I. M. L., S. J. Banfield, and J. Mackay. "Nylon fibre rope moorings for wave energy converters." In 2010 OCEANS MTS/IEEE SEATTLE. IEEE, 2010. http://dx.doi.org/10.1109/oceans.2010.5663836.

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Mahesh, G., and G. V. V. Satyanarayana. "Experimental study on foam concrete with polypropylene fibers and Nylon fibers." In SEVENTH INTERNATIONAL SYMPOSIUM ON NEGATIVE IONS, BEAMS AND SOURCES (NIBS 2020). AIP Publishing, 2021. http://dx.doi.org/10.1063/5.0057899.

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Crippa, Giuseppe, and Piermaria Davoli. "Comparative Fatigue Resistance of Fiber Reinforced Nylon 6 Gears." In ASME 1992 Design Technical Conferences. American Society of Mechanical Engineers, 1992. http://dx.doi.org/10.1115/detc1992-0083.

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Abstract The fatigue-life diagrams of injection-molded nylon 6 gears with different reinforcements are presented for various lubrication modes (dry, grease, splash oil lubrication) and for different meshing combinations (plastic/plastic and steel/plastic gears). Tests have been carried out with a properly designed back-to-back rig; results are compared with previous experiments, performed with unreinforced nylon 6 gears. Tested gears have been 232 (70 in unreinforced nylon and 162 in differently filled polyamides). More than 700·106 cycles have been totalised. From test data, and from the “matrix” of gear/pinion material combination, the capabilities of differently reinforced nylon 6 gears for fatigue and wear resistance have been outlined. These capabilities are the basis for a proper material selection in plastic gear design.

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Senthilvelan, S., and R. Gnanamoorthy. "Performance and Failure Analysis of Injection Molded Carbon Reinforced Nylon Gears." In ASME 7th Biennial Conference on Engineering Systems Design and Analysis. ASMEDC, 2004. http://dx.doi.org/10.1115/esda2004-58303.

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Reinforced polymers offer superior strength and modulus required in many load-bearing applications. Reinforced thermoplastic polymer gears are used in motion as well as power transmission applications. The performance of reinforced polymer gears needs to be thoroughly understood for widening their application. This paper describes results of the ongoing research on polymer composite gear performance. Unreinforced and 20% short carbon fiber reinforced Nylon granules were used for the development of gears using injection-molding process. Gear tests were conducted in a power absorption type gear test rig. Gears were tested at a constant rotational speed of 1000 rpm and at various torque levels up to 3 Nm. Test results showed the superior fatigue strength of carbon reinforced Nylon gears compared with the unreinforced Nylon gears. Improved thermal resistance, high strength and modulus contributed to the superior fatigue performance of carbon reinforced Nylon gear. Failed and worn out surfaces were observed using optical and scanning electron microscope. Three major gear failure modes were observed; excessive wear, severe deformation and tooth fracture. Fiber orientation, presence of fiber particles between contact surfaces and poor surface finish affects the wear resistance of carbon-reinforced gear.

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Shafer, Michael W., Heidi P. Feigenbaum, and Diego Ricardo Higueras Ruiz. "A Novel Biomimetic Torsional Actuator Design Using Twisted Polymer Actuators." In ASME 2017 Conference on Smart Materials, Adaptive Structures and Intelligent Systems. American Society of Mechanical Engineers, 2017. http://dx.doi.org/10.1115/smasis2017-3803.

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Artificial muscle systems have the potential to impact many technologies ranging from advanced prosthesis to miniature robotics. Recently, it has been shown that twisting drawn polymer monofilaments, such as nylon fishing line or sewing thread, can result in a biomimetic thermally activated torsional actuator. The actuation phenomenon in these twisted polymer actuators (TPAs) is thought to be a result of an untwisting that occurs about the fiber’s axis due to an anisotropic thermal expansion. Before being twisted, the precursor fibers are comprised of polymer chains that are aligned axially. During fabrication of TPAs, the polymer chains reorient as the precursor fiber is twisted about the central axis of the monofilament. At the end of the fabrication process, the TPA is annealed in order to relieve internal stresses and to keep the fiber in the twisted configuration. The mechanism of untwisting actuation is generally thought to be a result of radial expansion and axial contraction. After being twisted, these radial and axial expansion relationships remain relatively unchanged, but the polymer chain direction is no longer axially aligned. Thus, upon heating the twisted fibers of the TPA, the fibers untwist and torsional actuation occurs. This actuation phenomenon has been used in the past to create linear actuators, but can also be use directly as a torsional actuator. Compared to other torsional actuators TPAs are low cost, lightweight, and can actuate reasonably high torques per unit volume. However, because TPAs are thermally activated, they may not be suitable for all applications. In this work, we present a novel TPA design for use as a torsional actuator for miniature actuation and artificial muscle applications. Our design bundles twisted monofilaments to increase the torque. Both fabrication and testing methods of the new design are presented. Results for temperature versus torsional displacement under various loads give insights as to how these actuators may be used and the reversibility of the actuation process under different fabrication loads. Additionally, comparisons are made between these bundled actuators and similarly loaded single TPA monofilament actuation.

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Reports on the topic "Nylon fibres"

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Lesser, Alan J. Drawing Nylon 6,6 Fibers in High Pressure CO2. Fort Belvoir, VA: Defense Technical Information Center, December 2005. http://dx.doi.org/10.21236/ada464955.

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Wickliffe, Susan M. Processing and Properties of Poly (P-Phenylene Benzobisthiazole)/Nylon Fibers. Fort Belvoir, VA: Defense Technical Information Center, February 1986. http://dx.doi.org/10.21236/ada179649.

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Minnicino, Michael A., and Christopher Goodeaux. Tensile Characterization of Injection-Molded Fuzzy Glass Fiber/Nylon Composite Material. Fort Belvoir, VA: Defense Technical Information Center, May 2016. http://dx.doi.org/10.21236/ad1008669.

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Enhanced Trace-Fiber Color Discrimination by Electrospray Ionization Mass Spectrometry: A Quantitative and Qualitative Tool for the Analysis of Dyes Extracted from Sub-millimeter Nylon Fibers. Office of Scientific and Technical Information (OSTI), September 2002. http://dx.doi.org/10.2172/805817.

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