About: Thermal fatigue of AX41 magnesium alloy based composite using thermal expansivity measurements

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	Magnesium alloy AX41 (Mg-4Al-1Ca in wt. %) reinforced with 15 vol% of short Saffil fibres was used in this study. Thermal expansion was measured over a wide temperature range from 25 up to 400 °C in four runs. The thermal expansion coefficient was estimated during heating and cooling. The Young's modulus of the composite was estimated by the measurements of the resonant frequency of the free vibrations of the sample. Samples for these measurements were thermally cycled between room temperature and an increasing upper temperature of the thermal cycle. The modulus defect estimated from the difference between the resonant frequency before the thermal cycling and after cycling was compared with the relative change of the thermal expansion coefficient. Similar course of the temperature dependence of both quantities indicates that the deviation from the linearity has the common reason: thermal stresses and increased dislocation density. Magnesium alloy AX41 (Mg-4Al-1Ca in wt. %) reinforced with 15 vol% of short Saffil fibres was used in this study. Thermal expansion was measured over a wide temperature range from 25 up to 400 °C in four runs. The thermal expansion coefficient was estimated during heating and cooling. The Young's modulus of the composite was estimated by the measurements of the resonant frequency of the free vibrations of the sample. Samples for these measurements were thermally cycled between room temperature and an increasing upper temperature of the thermal cycle. The modulus defect estimated from the difference between the resonant frequency before the thermal cycling and after cycling was compared with the relative change of the thermal expansion coefficient. Similar course of the temperature dependence of both quantities indicates that the deviation from the linearity has the common reason: thermal stresses and increased dislocation density. (en)
Title	Thermal fatigue of AX41 magnesium alloy based composite using thermal expansivity measurements Thermal fatigue of AX41 magnesium alloy based composite using thermal expansivity measurements (en)
skos:prefLabel	Thermal fatigue of AX41 magnesium alloy based composite using thermal expansivity measurements Thermal fatigue of AX41 magnesium alloy based composite using thermal expansivity measurements (en)
skos:notation	RIV/00216208:11320/10:10082196!RIV11-MSM-11320___
http://linked.open...avai/riv/aktivita	P
http://linked.open...avai/riv/aktivity	P(1M0556), P(IAA201120902)
http://linked.open...vai/riv/dodaniDat	2011
http://linked.open...aciTvurceVysledku	Lukáč, Pavel Trojanová, Zuzanka Drozd, Zdeněk
http://linked.open.../riv/druhVysledku	O - Ostatní výsledky nezařaditelné do žádného z výše uvedených druhů výsledku
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	292715
http://linked.open...ai/riv/idVysledku	RIV/00216208:11320/10:10082196
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	nanocomposite.; based; behaviour; damping; the; cycles; mechanical; and; thermal; Influence (en)
http://linked.open.../riv/klicoveSlovo	Influence damping thermal nanocomposite. and behaviour mechanical the based cycles
http://linked.open...ontrolniKodProRIV	[0E14A7C69494]
http://linked.open...in/vavai/riv/obor	BM
http://linked.open...ichTvurcuVysledku	3 (xsd:int)
http://linked.open...cetTvurcuVysledku	3 (xsd:int)
http://linked.open...vavai/riv/projekt	Eco-Centre for Applied Research of Non-Ferrous Metals Softening processes during deformation of AZ31 magnesium alloy
http://linked.open...UplatneniVysledku	2010
http://linked.open...iv/tvurceVysledku	Lukáč, Pavel Trojanová, Zuzanka Drozd, Zdeněk
http://localhost/t...ganizacniJednotka	11320

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