About: Natural aging of Mg-Gd and Mg-Tb alloys

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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://onlinelibrary.wiley.com/doi/10.1002/pssa.201228327/abstract;jsessionid=59754F3EFE1613E06344C40D7C6C3FC0.d04t03
Description	Substantial natural aging occurring on the time scale of less than 1 month was observed in solution-treated Mg-Gd and Mg-Tb alloys. Solution treatment at 500 and 530 8C for Mg-Gd and Mg-Tb alloys, respectively, leads to dissolution of Gd or Tb in the Mg matrix. By quenching of solution-treated alloys to room temperature a supersaturated solid solution of Gd or Tb in Mg was formed. During subsequent aging at ambient temperature the hardness of quenched alloys increases, most probably, due to agglomeration of dissolved Gd or Tb atoms into small clusters. Positron lifetime spectroscopy combined with coincident Doppler broadening revealed that quenched alloys contain vacancies bound to Gd or Tb atoms. Quenched-in vacancies facilitate clustering of Gd or Tb solutes and disappear from the samples when the clusters are fully developed. Substantial natural aging occurring on the time scale of less than 1 month was observed in solution-treated Mg-Gd and Mg-Tb alloys. Solution treatment at 500 and 530 8C for Mg-Gd and Mg-Tb alloys, respectively, leads to dissolution of Gd or Tb in the Mg matrix. By quenching of solution-treated alloys to room temperature a supersaturated solid solution of Gd or Tb in Mg was formed. During subsequent aging at ambient temperature the hardness of quenched alloys increases, most probably, due to agglomeration of dissolved Gd or Tb atoms into small clusters. Positron lifetime spectroscopy combined with coincident Doppler broadening revealed that quenched alloys contain vacancies bound to Gd or Tb atoms. Quenched-in vacancies facilitate clustering of Gd or Tb solutes and disappear from the samples when the clusters are fully developed. (en)
Title	Natural aging of Mg-Gd and Mg-Tb alloys Natural aging of Mg-Gd and Mg-Tb alloys (en)
skos:prefLabel	Natural aging of Mg-Gd and Mg-Tb alloys Natural aging of Mg-Gd and Mg-Tb alloys (en)
skos:notation	RIV/00216208:11320/12:10131298!RIV13-AV0-11320___
http://linked.open...avai/predkladatel	Matematicko-fyzikální fakulta
http://linked.open...avai/riv/aktivita	P S
http://linked.open...avai/riv/aktivity	P(GAP108/10/0648), P(KAN300100801), S
http://linked.open...iv/cisloPeriodika	11
http://linked.open...vai/riv/dodaniDat	2013
http://linked.open...aciTvurceVysledku	Vlach, Martin Vlček, Marián Stulíková, Ivana Smola, Bohumil Melikhova, Oksana Procházka, Ivan Čížek, Jakub Hruška, Petr
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	Univerzita Karlova v Praze / Matematicko-fyzikální fakulta
http://linked.open...dnocenehoVysledku	153189
http://linked.open...ai/riv/idVysledku	RIV/00216208:11320/12:10131298
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	positron annihilation; point defects; magnesium; alloys; aging (en)
http://linked.open.../riv/klicoveSlovo	alloys aging positron annihilation point defects magnesium
http://linked.open...odStatuVydavatele	DE - Spolková republika Německo
http://linked.open...ontrolniKodProRIV	[B47F2E1F0BF5]
http://linked.open...i/riv/nazevZdroje	Physica Status Solidi (A) Applications and Materials
http://linked.open...in/vavai/riv/obor	BM
http://linked.open...ichTvurcuVysledku	8 (xsd:int)
http://linked.open...cetTvurcuVysledku	8 (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	2012
http://linked.open...v/svazekPeriodika	209
http://linked.open...iv/tvurceVysledku	Melikhova, Oksana Procházka, Ivan Smola, Bohumil Stulíková, Ivana Vlach, Martin Vlček, Marián Čížek, Jakub Hruška, Petr
http://linked.open...ain/vavai/riv/wos	000313729800006
issn	1862-6300
number of pages	7 (xsd:int)
http://bibframe.org/vocab/doi	10.1002/pssa.201228327
http://localhost/t...ganizacniJednotka	11320
is http://linked.open...avai/riv/vysledek of	Natural aging of Mg-Gd and Mg-Tb alloys

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