About: Phase transformations in non-isothermally annealed as-cast and cold-rolled AlMnScZr 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)

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
rdfs:seeAlso	http://dx.doi.org/10.3139/146.110712
Description	The effect of Mn addition on the microstructure, thermal and mechanical properties in as-cast and cold-rolled Al-Sc-Zr alloys was studied. Electrical resistometry, differential scanning calorimetry and microhardness measurements were used. Transmission electron microscopy, electron backscatter diffraction and X-ray diffraction of specimens quenched from temperatures of pronounced changes in resistivity helped to identify the microstructural processes responsible for resistivity changes. The distinct microhardness increase observed after annealing above similar to 320 degrees C is caused by precipitation of the Al3Sc particles. The cold-rolling prior to a heat treatment has no substantial effect on temperature position of the Al3Sc-phase precipitation. The formation of Al6Mn and/or Al-6(Mn,Fe) particles is responsible for the intensive resistivity decrease of the cold-rolled materials compared to the as-cast materials. Precipitation of these particles has an insignificant effect on microhardness. The apparent activation energy for the precipitation of the Al3Sc particles was determined. The effect of Mn addition on the microstructure, thermal and mechanical properties in as-cast and cold-rolled Al-Sc-Zr alloys was studied. Electrical resistometry, differential scanning calorimetry and microhardness measurements were used. Transmission electron microscopy, electron backscatter diffraction and X-ray diffraction of specimens quenched from temperatures of pronounced changes in resistivity helped to identify the microstructural processes responsible for resistivity changes. The distinct microhardness increase observed after annealing above similar to 320 degrees C is caused by precipitation of the Al3Sc particles. The cold-rolling prior to a heat treatment has no substantial effect on temperature position of the Al3Sc-phase precipitation. The formation of Al6Mn and/or Al-6(Mn,Fe) particles is responsible for the intensive resistivity decrease of the cold-rolled materials compared to the as-cast materials. Precipitation of these particles has an insignificant effect on microhardness. The apparent activation energy for the precipitation of the Al3Sc particles was determined. (en)
Title	Phase transformations in non-isothermally annealed as-cast and cold-rolled AlMnScZr alloys Phase transformations in non-isothermally annealed as-cast and cold-rolled AlMnScZr alloys (en)
skos:prefLabel	Phase transformations in non-isothermally annealed as-cast and cold-rolled AlMnScZr alloys Phase transformations in non-isothermally annealed as-cast and cold-rolled AlMnScZr alloys (en)
skos:notation	RIV/00216208:11320/12:10126557!RIV13-GA0-11320___
http://linked.open...avai/predkladatel	Matematicko-fyzikální fakulta
http://linked.open...avai/riv/aktivita	P V
http://linked.open...avai/riv/aktivity	P(GPP107/11/P201), V
http://linked.open...iv/cisloPeriodika	7
http://linked.open...vai/riv/dodaniDat	2013
http://linked.open...aciTvurceVysledku	Černá, Jaroslava Císařová, Hana Vlach, Martin Stulíková, Ivana Smola, Bohumil Daniš, Stanislav
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	158470
http://linked.open...ai/riv/idVysledku	RIV/00216208:11320/12:10126557
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	alloys; AlMnScZr; cold-rolled; as-cast; annealed; non-isothermally; transformations; Phase (en)
http://linked.open.../riv/klicoveSlovo	alloys AlMnScZr Phase annealed as-cast cold-rolled non-isothermally transformations
http://linked.open...odStatuVydavatele	DE - Spolková republika Německo
http://linked.open...ontrolniKodProRIV	[8A523890512E]
http://linked.open...i/riv/nazevZdroje	International Journal of Materials Research
http://linked.open...in/vavai/riv/obor	BM
http://linked.open...ichTvurcuVysledku	6 (xsd:int)
http://linked.open...cetTvurcuVysledku	10 (xsd:int)
http://linked.open...vavai/riv/projekt	The use of both precipitation and recrystallization in preparation of Al-based alloys with tailored properties
http://linked.open...UplatneniVysledku	2012
http://linked.open...v/svazekPeriodika	103
http://linked.open...iv/tvurceVysledku	Daniš, Stanislav Málek, Jaroslav Smola, Bohumil Stulíková, Ivana Vlach, Martin Císařová, Hana Neubert, Volkmar Tanprayoon, Dhritti Gemma, Ryota Piešová, Jaroslava
http://linked.open...ain/vavai/riv/wos	000307328700002
issn	1862-5282
number of pages	7 (xsd:int)
http://bibframe.org/vocab/doi	10.3139/146.110712
http://localhost/t...ganizacniJednotka	11320
is http://linked.open...avai/riv/vysledek of	Phase transformations in non-isothermally annealed as-cast and cold-rolled AlMnScZr alloys

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