About: Fiber orientation and strength of staple yarns based on the acoustic and initial modulus

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	It is well known that twist has crucial influence on the mechanical properties of short staple fiber yarns. The possibilities of prediction of twist influence on the fibers orientation in the staple polypropylene yarn are discussed in this work. The main structural factors which are significant for yarn strength prediction are packing density and orientation factor. These factors are influenced by raw material properties, technology of yarn production, yarn fineness and twist (yarn twist factor). For monitoring of the influence of the twist factor on the yarn packing density, orientation factor and strength of three groups of thirteen compact polypropylene yarns of the same fineness with different twist were spun. It was found that for prediction of orientation factor it is possible to use sonic modulus of yarns and parallel fiber bundles. From packing density, yarn diameter and tangent of helix angle the orientation factors were calculated. The packing density and orientation factor were also used for prediction of yarn strength. It is well known that twist has crucial influence on the mechanical properties of short staple fiber yarns. The possibilities of prediction of twist influence on the fibers orientation in the staple polypropylene yarn are discussed in this work. The main structural factors which are significant for yarn strength prediction are packing density and orientation factor. These factors are influenced by raw material properties, technology of yarn production, yarn fineness and twist (yarn twist factor). For monitoring of the influence of the twist factor on the yarn packing density, orientation factor and strength of three groups of thirteen compact polypropylene yarns of the same fineness with different twist were spun. It was found that for prediction of orientation factor it is possible to use sonic modulus of yarns and parallel fiber bundles. From packing density, yarn diameter and tangent of helix angle the orientation factors were calculated. The packing density and orientation factor were also used for prediction of yarn strength. (en)
Title	Fiber orientation and strength of staple yarns based on the acoustic and initial modulus Fiber orientation and strength of staple yarns based on the acoustic and initial modulus (en)
skos:prefLabel	Fiber orientation and strength of staple yarns based on the acoustic and initial modulus Fiber orientation and strength of staple yarns based on the acoustic and initial modulus (en)
skos:notation	RIV/46747885:24410/11:#0000951!RIV12-MSM-24410___
http://linked.open...avai/riv/aktivita	P
http://linked.open...avai/riv/aktivity	P(1M0553)
http://linked.open...vai/riv/dodaniDat	2012
http://linked.open...aciTvurceVysledku	Militký, Jiří Křemenáková, Dana Pivoňková, Dagmar
http://linked.open.../riv/druhVysledku	D - Článek ve sborníku
http://linked.open...iv/duvernostUdaju	S - Úplné a pravdivé údaje nepodléhající ochraně podle zvláštních právních předpisů
http://linked.open...titaPredkladatele	Technická univerzita v Liberci / Fakulta textilní
http://linked.open...dnocenehoVysledku	199574
http://linked.open...ai/riv/idVysledku	RIV/46747885:24410/11:#0000951
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	yarn; initial modulus; acostical modulus; fiber orientation (en)
http://linked.open.../riv/klicoveSlovo	acostical modulus fiber orientation yarn initial modulus
http://linked.open...ontrolniKodProRIV	[B18AD75DFB5E]
http://linked.open...v/mistoKonaniAkce	Casablanca Morocco
http://linked.open...i/riv/mistoVydani	Casablanca, Morocco
http://linked.open...i/riv/nazevZdroje	ITMC 2011 3rd Edition of the International Conference on Intelligent Textiles & Mass Customisation
http://linked.open...in/vavai/riv/obor	JJ
http://linked.open...ichTvurcuVysledku	3 (xsd:int)
http://linked.open...cetTvurcuVysledku	3 (xsd:int)
http://linked.open...vavai/riv/projekt	Research Centre TEXTIL II
http://linked.open...UplatneniVysledku	2011
http://linked.open...iv/tvurceVysledku	Křemenáková, Dana Militký, Jiří Pivoňková, Dagmar
http://linked.open...vavai/riv/typAkce	WRD - Světová
http://linked.open.../riv/zahajeniAkce	2011-01-01 (xsd:date)
number of pages	6 (xsd:int)
http://purl.org/ne...btex#hasPublisher	ESITH Casablanca, Morroco and ENSAIT Roubaix, France
https://schema.org/isbn	978-1-61284-952-2
http://localhost/t...ganizacniJednotka	24410

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