About: Investigation of Dynamic Properties of Hybrid Laminate Structure

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An Entity of Type : http://linked.opendata.cz/ontology/domain/vavai/Vysledek, within Data Space : linked.opendata.cz associated with source document(s)

Attributes	Values
rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
rdfs:seeAlso	http://www.sciencedirect.com/science/article/pii/S1877705812045894
Description	Current research on carbon fibre reinforced plastics (CFRP) shows an evident progression not necessarily only in the field of aerospace industry. With their inherent superior specific strength and stiffness, CFRP offer an interesting option also for various machine tool components manufacturing. CFRP are generally weak in material damping. Nevertheless, this dynamic nature of CFRP parts can be successfully improved on the basis of so-called synergistic effect by the integration of particular damping layers made of rubber or cork composition. However, these additive layers can adversely influence strength and stiffness of resulting hybrid structure. This paper deals with finding of optimal lay-up of wound square tube consisting of CFRP layers with high modulus fibres and cork composition layers. For this purpose, the Pareto optimization of the square tube was performed using three-dimensional numerical simulations. The aim was to maximize the static bending stiffness, the natural frequency and the damping ratio. The theoretical studies were followed by experimental determination of dynamic characteristic of two selected specimens using impact hammer modal testing (IHMT) method and the results were compared. Current research on carbon fibre reinforced plastics (CFRP) shows an evident progression not necessarily only in the field of aerospace industry. With their inherent superior specific strength and stiffness, CFRP offer an interesting option also for various machine tool components manufacturing. CFRP are generally weak in material damping. Nevertheless, this dynamic nature of CFRP parts can be successfully improved on the basis of so-called synergistic effect by the integration of particular damping layers made of rubber or cork composition. However, these additive layers can adversely influence strength and stiffness of resulting hybrid structure. This paper deals with finding of optimal lay-up of wound square tube consisting of CFRP layers with high modulus fibres and cork composition layers. For this purpose, the Pareto optimization of the square tube was performed using three-dimensional numerical simulations. The aim was to maximize the static bending stiffness, the natural frequency and the damping ratio. The theoretical studies were followed by experimental determination of dynamic characteristic of two selected specimens using impact hammer modal testing (IHMT) method and the results were compared. (en)
Title	Investigation of Dynamic Properties of Hybrid Laminate Structure Investigation of Dynamic Properties of Hybrid Laminate Structure (en)
skos:prefLabel	Investigation of Dynamic Properties of Hybrid Laminate Structure Investigation of Dynamic Properties of Hybrid Laminate Structure (en)
skos:notation	RIV/49777513:23210/12:43916048!RIV13-TA0-23210___
http://linked.open...avai/riv/aktivita	P
http://linked.open...avai/riv/aktivity	P(TE01020075)
http://linked.open...iv/cisloPeriodika	Neuveden
http://linked.open...vai/riv/dodaniDat	2013
http://linked.open...aciTvurceVysledku	Lašová, Václava Vacík, Josef Kottner, Radek
http://linked.open.../riv/druhVysledku	J - Článek v odborném periodiku
http://linked.open...iv/duvernostUdaju	S - Úplné a pravdivé údaje nepodléhající ochraně podle zvláštních právních předpisů
http://linked.open...titaPredkladatele	Západočeská univerzita v Plzni / Fakulta strojní
http://linked.open...dnocenehoVysledku	142891
http://linked.open...ai/riv/idVysledku	RIV/49777513:23210/12:43916048
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	Optimization; Bending stiffness; natural frequency; Damping; Hybrid structures (en)
http://linked.open.../riv/klicoveSlovo	natural frequency Bending stiffness Hybrid structures Optimization Damping
http://linked.open...odStatuVydavatele	NL - Nizozemsko
http://linked.open...ontrolniKodProRIV	[22519A1EFB29]
http://linked.open...i/riv/nazevZdroje	Procedia Engineering
http://linked.open...in/vavai/riv/obor	JI
http://linked.open...ichTvurcuVysledku	3 (xsd:int)
http://linked.open...cetTvurcuVysledku	3 (xsd:int)
http://linked.open...vavai/riv/projekt	Competence Center - Manufacturing Technology
http://linked.open...UplatneniVysledku	2012
http://linked.open...v/svazekPeriodika	48
http://linked.open...iv/tvurceVysledku	Lašová, Václava Vacík, Josef Kottner, Radek
issn	1877-7058
number of pages	8 (xsd:int)
http://localhost/t...ganizacniJednotka	23210

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