About: Boundary diffusion of 99Mo in annealed Fe76Mo8Cu1B15, Fe40Ni40B20 and Fe80B20 alloys

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Description	Diffusion characteristics of 99Mo in three amorphous alloys were measured using serial sectioning method combined with Ar+ ion beam sputtering technique. The study was carried out in the temperature interval 548 – 648 K. It was found that diffusion is controlled by two diffusion mechanisms and that the faster one is sensitive to thermal pre-treatment of the alloy. It was concluded that the slower diffusion mechanism is due to volume diffusion in rest amorphous phase, the faster one can be ascribed to diffusion in interface between the crystallites and rest amorphous phase. Diffusion characteristics of 99Mo in three amorphous alloys were measured using serial sectioning method combined with Ar+ ion beam sputtering technique. The study was carried out in the temperature interval 548 – 648 K. It was found that diffusion is controlled by two diffusion mechanisms and that the faster one is sensitive to thermal pre-treatment of the alloy. It was concluded that the slower diffusion mechanism is due to volume diffusion in rest amorphous phase, the faster one can be ascribed to diffusion in interface between the crystallites and rest amorphous phase. (en) Difúzní chcrakteristiky 99Mo ve třech amorfních slitinách byly měřeny metodou odebírání vrstev kombinovanou metodou odprašování ionty Ar+. Měření proběhla v teplotním intervalu 548-648 K. Bylo zjištěno, že difúze je řízena dvěma difúzními mechanismy, kde ten rychlejší je citlivý na teplotní předzpracování slitin. Byl udělán závěr, že pomalejší difúzní mechanismus odpovídá objemové difúzi ve zbytkové amorfní fázi a rychlejší je přisouzen difúzi na rozhraní mezi krystality a zbytkovou amorfní fází. (cs)
Title	Boundary diffusion of 99Mo in annealed Fe76Mo8Cu1B15, Fe40Ni40B20 and Fe80B20 alloys Difúze 99Mo podél hranic v ohřátých slitinách Fe76Mo8Cu1B15, Fe40Ni40B20 a Fe80B20 (cs) Boundary diffusion of 99Mo in annealed Fe76Mo8Cu1B15, Fe40Ni40B20 and Fe80B20 alloys (en)
skos:prefLabel	Boundary diffusion of 99Mo in annealed Fe76Mo8Cu1B15, Fe40Ni40B20 and Fe80B20 alloys Difúze 99Mo podél hranic v ohřátých slitinách Fe76Mo8Cu1B15, Fe40Ni40B20 a Fe80B20 (cs) Boundary diffusion of 99Mo in annealed Fe76Mo8Cu1B15, Fe40Ni40B20 and Fe80B20 alloys (en)
skos:notation	RIV/68081723:_____/06:00026226!RIV07-AV0-68081723
http://linked.open.../vavai/riv/strany	147;152
http://linked.open...avai/riv/aktivita	P Z
http://linked.open...avai/riv/aktivity	P(GA106/04/0228), P(IBS2041105), Z(AV0Z20410507)
http://linked.open...iv/cisloPeriodika	2
http://linked.open...vai/riv/dodaniDat	2007
http://linked.open...aciTvurceVysledku	Stloukal, Ivo Čermák, Jiří
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	Ústav fyziky materiálů AV ČR, v. v. i.
http://linked.open...dnocenehoVysledku	467322
http://linked.open...ai/riv/idVysledku	RIV/68081723:_____/06:00026226
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	metallic glasses; nanocrystalline materials; interface diffusion (en)
http://linked.open.../riv/klicoveSlovo	nanocrystalline materials metallic glasses interface diffusion
http://linked.open...odStatuVydavatele	US - Spojené státy americké
http://linked.open...ontrolniKodProRIV	[0092C5076811]
http://linked.open...i/riv/nazevZdroje	Scripta Materialia
http://linked.open...in/vavai/riv/obor	BJ
http://linked.open...ichTvurcuVysledku	2 (xsd:int)
http://linked.open...cetTvurcuVysledku	2 (xsd:int)
http://linked.open...vavai/riv/projekt	The role of Fe,Nb and Mo diffusivity in structure stability of FINEMENT and NONOPERM - type alloys Surfaces and interfaces in structural materials - applications of modern technologies and computer modelling
http://linked.open...UplatneniVysledku	2006
http://linked.open...v/svazekPeriodika	54
http://linked.open...iv/tvurceVysledku	Čermák, Jiří Stloukal, Ivo
http://linked.open...n/vavai/riv/zamer	Physical properties of advanced materials in relation to their microstructure and processing
issn	1359-6462
number of pages	6 (xsd:int)
is http://linked.open...avai/riv/vysledek of	Boundary diffusion of 99Mo in annealed Fe76Mo8Cu1B15, Fe40Ni40B20 and Fe80B20 alloys Boundary diffusion of 99Mo in annealed Fe76Mo8Cu1B15, Fe40Ni40B20 and Fe80B20 alloys

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