About: Microstructure characterization of rapidly solidified Al-Fe-Cr-Ce alloy by positron annihilation spectroscopy

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About: Microstructure characterization of rapidly solidified Al-Fe-Cr-Ce alloy by positron annihilation spectroscopy Goto Sponge NotDistinct Permalink

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	Positron annihilation spectroscopy was employed for the microstructure characterization of rapidly solidified Al-3 wt.% Cr-3 wt.% Fe-0.8 wt.% Ce alloy prepared by melt spinning. Results of the positron annihilation study are analyzed within the diffusion trapping model and compared with results of X-ray diffraction, transmission electron microscopy and microhardness measurements. A good consistency among all experimental techniques was obtained. The rapidly solidified alloy exhibits ultra fine grained structure, consisting of cells separated by dislocation walls. Annealed samples showed no significant changes in structure up to 400 degrees C which proves good thermal stability of ultra fine grained structure. Exposure of the sample to temperature of 500 degrees C caused significant changes in the material. Positron annihilation spectroscopy was employed for the microstructure characterization of rapidly solidified Al-3 wt.% Cr-3 wt.% Fe-0.8 wt.% Ce alloy prepared by melt spinning. Results of the positron annihilation study are analyzed within the diffusion trapping model and compared with results of X-ray diffraction, transmission electron microscopy and microhardness measurements. A good consistency among all experimental techniques was obtained. The rapidly solidified alloy exhibits ultra fine grained structure, consisting of cells separated by dislocation walls. Annealed samples showed no significant changes in structure up to 400 degrees C which proves good thermal stability of ultra fine grained structure. Exposure of the sample to temperature of 500 degrees C caused significant changes in the material. (en)
Title	Microstructure characterization of rapidly solidified Al-Fe-Cr-Ce alloy by positron annihilation spectroscopy Microstructure characterization of rapidly solidified Al-Fe-Cr-Ce alloy by positron annihilation spectroscopy (en)
skos:prefLabel	Microstructure characterization of rapidly solidified Al-Fe-Cr-Ce alloy by positron annihilation spectroscopy Microstructure characterization of rapidly solidified Al-Fe-Cr-Ce alloy by positron annihilation spectroscopy (en)
skos:notation	RIV/68378271:_____/11:00437336!RIV15-AV0-68378271
http://linked.open...avai/riv/aktivita	P S Z
http://linked.open...avai/riv/aktivity	P(GAP108/10/0648), P(KAN300100801), S, Z(AV0Z10100520), Z(MSM0021620834), Z(MSM6046137302)
http://linked.open...iv/cisloPeriodika	7
http://linked.open...vai/riv/dodaniDat	2015
http://linked.open...aciTvurceVysledku	Drahokoupil, Jan
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	Fyzikální ústav AV ČR, v. v. i.
http://linked.open...dnocenehoVysledku	212377
http://linked.open...ai/riv/idVysledku	RIV/68378271:_____/11:00437336
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	metals and alloys; nanostructured materials; rapid solidification; positron spectroscopies; transmission electron microscopy; x-ray diffraction (en)
http://linked.open.../riv/klicoveSlovo	metals and alloys rapid solidification transmission electron microscopy x-ray diffraction nanostructured materials positron spectroscopies
http://linked.open...odStatuVydavatele	NL - Nizozemsko
http://linked.open...ontrolniKodProRIV	[AABD996EF3DE]
http://linked.open...i/riv/nazevZdroje	Journal of Alloys and Compounds
http://linked.open...in/vavai/riv/obor	BM
http://linked.open...ichTvurcuVysledku	1 (xsd:int)
http://linked.open...cetTvurcuVysledku	6 (xsd:int)
http://linked.open...vavai/riv/projekt	Multifunctional bulk metallic materials with nanocrystalline and ultrafine-grained structure Investigation of defects in icosahedral phases in Mg-alloys
http://linked.open...UplatneniVysledku	2011
http://linked.open...v/svazekPeriodika	509
http://linked.open...iv/tvurceVysledku	Drahokoupil, Jan Novák, P. Procházka, I. Michalcová, A. Vojtěch, D. Čízek, J.
http://linked.open...ain/vavai/riv/wos	000287570100005
http://linked.open...n/vavai/riv/zamer	Specific effects in condensed systems with reduced dimension and broken symmetry Condensed Matter Physics – New Materials and Technologies Preparation and research of functional materials and material technologies using micro- and nanoscopic methods
issn	0925-8388
number of pages	9 (xsd:int)
http://bibframe.org/vocab/doi	10.1016/j.jallcom.2010.12.049

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