About: Influence of Thermal and Mechanical Cycles on the Damping Behaviour of Mg Based-Nanocomposite

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	Magnesium matrix composites show improved wear resistance, enhanced strength and creep resistance in comparison with their monolithic counterparts, on the other hand keep low density and good machinability. Internal friction measurements are a suitable tool to detect changes in the microstructure of thermally or mechanically loaded composites. Samples from pure magnesium reinforced with zirconia nanoparticles were thermally cycled between room temperature and increasing upper temperature of thermal cycle. After thermal cycling amplitude dependence of damping measured in terms of the decrement was measured. Very high values of the logarithmic decrement are described to the poor binding between the matrix and ceramic nanoparticles. The influence of number of cyclic bending to fatigue on the damping behaviour of the same nanocomposite was determined at room temperature. The measured decrease of the resonant frequency indicates a loss of stiffness during cycling. Crack deflection along an interface is followed by the separation of the particle/matrix interface. Magnesium matrix composites show improved wear resistance, enhanced strength and creep resistance in comparison with their monolithic counterparts, on the other hand keep low density and good machinability. Internal friction measurements are a suitable tool to detect changes in the microstructure of thermally or mechanically loaded composites. Samples from pure magnesium reinforced with zirconia nanoparticles were thermally cycled between room temperature and increasing upper temperature of thermal cycle. After thermal cycling amplitude dependence of damping measured in terms of the decrement was measured. Very high values of the logarithmic decrement are described to the poor binding between the matrix and ceramic nanoparticles. The influence of number of cyclic bending to fatigue on the damping behaviour of the same nanocomposite was determined at room temperature. The measured decrease of the resonant frequency indicates a loss of stiffness during cycling. Crack deflection along an interface is followed by the separation of the particle/matrix interface. (en)
Title	Influence of Thermal and Mechanical Cycles on the Damping Behaviour of Mg Based-Nanocomposite Influence of Thermal and Mechanical Cycles on the Damping Behaviour of Mg Based-Nanocomposite (en)
skos:prefLabel	Influence of Thermal and Mechanical Cycles on the Damping Behaviour of Mg Based-Nanocomposite Influence of Thermal and Mechanical Cycles on the Damping Behaviour of Mg Based-Nanocomposite (en)
skos:notation	RIV/00216208:11320/12:10133863!RIV13-GA0-11320___
http://linked.open...avai/predkladatel	Matematicko-fyzikální fakulta
http://linked.open...avai/riv/aktivita	P Z
http://linked.open...avai/riv/aktivity	P(GA106/07/1393), Z(MSM0021620834)
http://linked.open...vai/riv/dodaniDat	2013
http://linked.open...aciTvurceVysledku	Lukáč, Pavel Trojanová, Zuzanka
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	Univerzita Karlova v Praze / Matematicko-fyzikální fakulta
http://linked.open...dnocenehoVysledku	141660
http://linked.open...ai/riv/idVysledku	RIV/00216208:11320/12:10133863
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	damage parameter; cyclic bending; thermal cycling; internal friction; magnesium nanocomposite (en)
http://linked.open.../riv/klicoveSlovo	internal friction cyclic bending magnesium nanocomposite thermal cycling damage parameter
http://linked.open...ontrolniKodProRIV	[23BD1C2C6E43]
http://linked.open...v/mistoKonaniAkce	Nanjing
http://linked.open...i/riv/mistoVydani	LANCASTER
http://linked.open...i/riv/nazevZdroje	FATIGUE BEHAVIOUR OF FIBER REINFORCED POLYMERS: EXPERIMENTS AND SIMULATIONS
http://linked.open...in/vavai/riv/obor	BM
http://linked.open...ichTvurcuVysledku	2 (xsd:int)
http://linked.open...cetTvurcuVysledku	4 (xsd:int)
http://linked.open...vavai/riv/projekt	Nonlinear ultrasonic spectroscopy of magnesium metallic composits and alloys
http://linked.open...UplatneniVysledku	2012
http://linked.open...iv/tvurceVysledku	Lukáč, Pavel Trojanová, Zuzanka Riehemann, W. Makowska-Mielczarek, A.
http://linked.open...vavai/riv/typAkce	WRD - Světová
http://linked.open...ain/vavai/riv/wos	000314402100016
http://linked.open.../riv/zahajeniAkce	2010-04-16 (xsd:date)
http://linked.open...n/vavai/riv/zamer	Condensed Matter Physics – New Materials and Technologies
number of pages	10 (xsd:int)
http://purl.org/ne...btex#hasPublisher	DESTECH PUBLICATIONS, INC
https://schema.org/isbn	978-1-60595-091-4
http://localhost/t...ganizacniJednotka	11320
is http://linked.open...avai/riv/vysledek of	Influence of Thermal and Mechanical Cycles on the Damping Behaviour of Mg Based-Nanocomposite

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