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Dissertations / Theses on the topic 'Yarns/fabrics'

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1

Nyoni, Abraham Babs. "Liquid transport in nylon 6.6 yarns and woven fabrics used for outdoor performance fabrics." Thesis, University of Leeds, 2003. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.401284.

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2

Kanesan, Jayaprakash, and jaykanes@gmail com. "Studies in Development and Design of Hi-Performance Yarns." RMIT University. Fashion and Textiles, 2006. http://adt.lib.rmit.edu.au/adt/public/adt-VIT20080702.141430.

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The aim of the research was to produce hollow yarn knitted fabrics with improved thermal comfort properties. Thermal comfort properties and utility properties determine the wearing comfort of textiles and the suitability of a new textile product for a particular application. Both, Thermal comfort properties such as thermal absorptiveness, thermal conductivity, air permeability and utility properties like percent stretch, spirality, bursting strength of core yarn knitted fabrics and hollow yarn knitted fabrics were assessed. A new method was proposed and discussed for producing holl
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3

Mahgoub, A. O. "The properties of yarns and fabrics using the hollow spindle technique." Thesis, University of Leeds, 1986. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.234383.

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4

MIGLIAVACCA, GIANLUCA. "APPLICATIONS OF ULTRAVIOLET RADIATIONS IN DYEING PROCESSES OF YARNS AND FABRICS." Doctoral thesis, Politecnico di Torino, 2014. http://hdl.handle.net/11583/2526333.

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Not dyed wool yarns and fabrics were treated by ultraviolet radiations, using a medium pressure Hg lamp, in order to obtain a modification onto fibre surface. As consequence, UV treated wool showed increase in metal ions absorption and hydrophilicity, together with improved kinetics of dye absorption under the same dyeing conditions as untreated wool. The surface modification of wool due to UV radiations was confirmed by FTIR-ATR analysis, nevertheless the fibre morphology by SEM analysis was unaffected. Experimental results showed that different kind of dyes are able to give differential dyei
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5

Kasi, Vijay. "A study on the tactile properties of enzyme treated yarns and fabrics." Thesis, Georgia Institute of Technology, 2002. http://hdl.handle.net/1853/9992.

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6

Realff, Mary Lynn. "Mechanical properties of fabrics woven from yarns produced by different spinning technologies." Thesis, Massachusetts Institute of Technology, 1992. http://hdl.handle.net/1721.1/13081.

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7

Asgharian-Jeddi, A. A. "The study of dimensional and geometrical properties of weft knitted fabrics constructed from cotton yarns." Thesis, De Montfort University, 1985. http://hdl.handle.net/2086/13251.

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8

Somi, Bongiwe Promrose. "Investigating the possibility of using wild silk fancy yarns to produce upholstery fabrics for home furniture." Thesis, Nelson Mandela Metropolitan University, 2013. http://hdl.handle.net/10948/7616.

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About a decade ago an attempt to build a viable wild silk industry, prompted by the discovery of the naturally available wild silk cocoons in the North West Province of South Africa, was made and a degumming plant was established in the Ganyesa village. The challenges faced in that establishment soon brought the developments to a standstill and cited among the problems was the lack of designer input in the production stages, which resulted in poor quality products. Focusing on the design problem the intention of this research is to explore a more effective design and production method for the
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9

Rocher, Jean-Emile. "Caractérisation expérimentale et modélisation à l’échelle mésoscopique du comportement de tissus 3D de mèches comélées." Thesis, Orléans, 2014. http://www.theses.fr/2014ORLE2035/document.

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Cette thèse s’inscrit dans le cadre du projet européen 3D-LightTrans ayant pour objectifs la fabrication à grande à échelle et à bas coût de pièces composites. Pour parvenir à ces objectifs, des semi-produits sous forme de tissus 3D de mèches comélées ont été réalisés. Le but de ces travaux est de caractériser le comportement mécanique de ces tissus en vue d’analyser leur formabilité et d’être en mesure de prédire leur comportement pendant les processus de mise en forme utilisés lors de la fabrication des pièces composites. Le premier objectif de ces travaux était de caractériser expérimentale
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10

Assis, Regina Guidon de. "Um estudo sobre arquitetura têxtil no Brasil: o segmento de mercado das estruturas tensionadas feitas com membranas poliéster/PVC." Universidade de São Paulo, 2012. http://www.teses.usp.br/teses/disponiveis/100/100133/tde-09012013-104014/.

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Um tipo de composto têxtil, comumente chamado de membrana têxtil, tem sido empregado, nas últimas décadas, como parte de um sistema arquitetônico usado para a cobertura, fechamento e/ou proteção de espaços públicos e privados em vários países do mundo. O termo membrana está relacionado com o fato de o material permanecer tensionado e separar dois ambientes que se interagem. Essa solução arquitetônica é comumente conhecida como arquitetura têxtil, especialmente quando se trata de estruturas tensionadas; o termo é usado por muitos profissionais em todo mundo, apesar de não existir uma unanimidad
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11

Fasahat, F., R. Dastjerdi, and M. R. M. Mojtahedi. "Thermophysiological Comfort by PA6/TiO2 Nanocomposite Yarns." Thesis, Sumy State University, 2013. http://essuir.sumdu.edu.ua/handle/123456789/35603.

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Thermophysiological comfort is one of the most important factors for people to choose desirable gar-ments, which can be evaluated via measuring permeability of body heat and sweat. In this paper the water vapor permeability of nanocomposite nylon 6 fabrics produced from melt spun nanocomposite yarns with different TiO2 nanoparticle concentrations have been investigated. Results from measuring water vapor permeability at different environment temperatures for 4 h. indicated that sample with 0.4 wt% of TiO2 nanoparticle can provide fabric with maximum comfort properties. At low temperature 27.5%
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12

Wang, Yu. "Multi-scale investigation and analysis of the friction behavior and wear in the manufacturing of the woven composite reinforcements." Electronic Thesis or Diss., Mulhouse, 2024. http://www.theses.fr/2024MULH7126.

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Dans le processus de fabrication des renforts textiles, la friction entre les fils torsadés joue un rôle clé dans les propriétés mécaniques des composites renforcés de fibres, une friction excessive pouvant les détériorer. Cette étude développe un cadre analytique pour comprendre ce comportement frictionnel. Deux modèles analytiques ont été introduits pour décrire la friction des fils, prenant en compte la dynamique de contact à grande échelle. Les validations expérimentales confirment l'efficacité des modèles, offrant une caractérisation détaillée de la friction dans différentes conditions et
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13

Chasmawala, Rasesh Jayantilal. "Studies on the effect of spinning parameters on the structure and properties of air jet spun yarns." Thesis, Georgia Institute of Technology, 1987. http://hdl.handle.net/1853/8481.

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14

QURESHI, WAQAS. "Integrating Conductive Threads into Different Knitting Construction by Flat Knitting Machine to Create Stretch Sensitive Fabrics for Breathing Monitoring." Thesis, Högskolan i Borås, Institutionen Textilhögskolan, 2013. http://urn.kb.se/resolve?urn=urn:nbn:se:hb:diva-17449.

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During the last decade medical applications of textile sensors have been growing rapidly and textile sensors are the focal research point for many sensor projects. Textile sensors are still not available as a mainstream product to replace conventional electric sensors and electrodes. Textile sensors can be integrated in a textile garment to measure vital signs of a human being. In this regard stretch sensors are able to measure breathing rate of a person. In this project we use seamless knitting technique to make stretch sensors using conductive fibers. The resistance difference between stretc
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15

Qureshi, Waqas. "Integrating Conductive Threads into Different Knitting Construction by Flat Knitting Machine to Create Stretch Sensitive Fabrics for Breathing Monitoring." Thesis, Högskolan i Borås, Institutionen Textilhögskolan, 2011. http://urn.kb.se/resolve?urn=urn:nbn:se:hb:diva-20938.

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During the last decade medical applications of textile sensors have been growing rapidly and textile sensors are the focal research point for many sensor projects. Textile sensors are still not available as a mainstream product to replace conventional electric sensors and electrodes. Textile sensors can be integrated in a textile garment to measure vital signs of a human being. In this regard stretch sensors are able to measure breathing rate of a person. In this project we use seamless knitting technique to make stretch sensors using conductive fibers. The resistance difference between stretc
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16

Baldua, Rajat Kumar. "Study on properties of air-jet textured yarns and compressional properties of their fabrics." Thesis, 2016. http://localhost:8080/xmlui/handle/12345678/7297.

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17

HUANG, CHI, and 黃淇. "Development of 4T Polyester /Flax Blended Yarns and the Moisture Management Properties of Fabrics." Thesis, 2018. http://ndltd.ncl.edu.tw/handle/bdxd6n.

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碩士<br>輔仁大學<br>織品服裝學系碩士班<br>106<br>In recent years, there have been many studies on the development of profiled fiber sections, but there is almost non 4T Profiled Fiber research. Therefore, this study will discuss the basic properties of 4T Profiled Fiber yarns and compare them with 4T Profiled Fiber/flax blended yarn. In addition, we also weave them into Plain Fabric and Quadrangle pique Fabric. At last, we carry out moisture management test of all fabrics to analyze and compare its moisture absorption performance. The results show that compared them with different tissues, the Plain Fabric i
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18

Oliveira, Joaquim Jorge Cardoso de. "Caraterização do processo e estudo das propriedades de tecidos bi-elásticos." Master's thesis, 2016. http://hdl.handle.net/1822/47316.

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Dissertação de mestrado integrado em Engenharia Têxtil<br>O crescente interesse dos consumidores por produtos têxteis funcionais que transmitam uma sensação de conforto e bem-estar tem conduzido ao desenvolvimento de tecidos que promovem liberdade de movimentos, ao mesmo tempo que apresentam elasticidade para se conformarem ao corpo. O processo de produção destes tecidos, designados de elásticos, envolve normalmente a integração de filamentos de elastano ou fios contendo elastanos na direção da trama ou em ambas as direções-tecidos bi-elásticos. Contudo, a obtenção de determinadas funcio
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