About: Effect of cold rolling on precipitation processes in Al-Mn-Sc-Zr alloy

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
rdfs:seeAlso	http://dx.doi.org/10.1016/j.msea.2012.03.063
Description	Thermal, mechanical and electrical properties and microstructure of the as-cast and cold-rolled AlMnScZr alloys were studied. Samples were isochronally annealed up to 570 degrees C. The electrical resistometry and microhardness together with differential scanning calorimetry measurements were compared to microstructure development that was observed by transmission and scanning electron microscopy and also X-ray diffraction. Due to fine, coherent, and uniformly distributed Al3Sc particles, the hardening effect occurred in the studied alloys. The cold rolling at room temperature that was prior to a heat treatment has no substantial effect on temperature range of the Al3Sc-phase precipitation. However, the cold rolling accelerates the precipitation of Mn-containing particles. This precipitation is dependent on deformation degree. The formation of Mn-containing particles is responsible for the intensive resistivity decrease in the cold-rolled materials compared to the as-cast material. The apparent activation energy for precipitation of the Al3Sc and Al6Mn particles in the cold-rolled AlMnScZr alloy was determined as 116 +/- 9 kJ mol(-1) and 162 +/- 22 kJ mol(-1) respectively. Thermal, mechanical and electrical properties and microstructure of the as-cast and cold-rolled AlMnScZr alloys were studied. Samples were isochronally annealed up to 570 degrees C. The electrical resistometry and microhardness together with differential scanning calorimetry measurements were compared to microstructure development that was observed by transmission and scanning electron microscopy and also X-ray diffraction. Due to fine, coherent, and uniformly distributed Al3Sc particles, the hardening effect occurred in the studied alloys. The cold rolling at room temperature that was prior to a heat treatment has no substantial effect on temperature range of the Al3Sc-phase precipitation. However, the cold rolling accelerates the precipitation of Mn-containing particles. This precipitation is dependent on deformation degree. The formation of Mn-containing particles is responsible for the intensive resistivity decrease in the cold-rolled materials compared to the as-cast material. The apparent activation energy for precipitation of the Al3Sc and Al6Mn particles in the cold-rolled AlMnScZr alloy was determined as 116 +/- 9 kJ mol(-1) and 162 +/- 22 kJ mol(-1) respectively. (en)
Title	Effect of cold rolling on precipitation processes in Al-Mn-Sc-Zr alloy Effect of cold rolling on precipitation processes in Al-Mn-Sc-Zr alloy (en)
skos:prefLabel	Effect of cold rolling on precipitation processes in Al-Mn-Sc-Zr alloy Effect of cold rolling on precipitation processes in Al-Mn-Sc-Zr alloy (en)
skos:notation	RIV/00216208:11320/12:10123752!RIV13-GA0-11320___
http://linked.open...avai/riv/aktivita	P
http://linked.open...avai/riv/aktivity	P(GPP107/11/P201)
http://linked.open...iv/cisloPeriodika	30.6.2012
http://linked.open...vai/riv/dodaniDat	2013
http://linked.open...aciTvurceVysledku	Černá, Jaroslava Císařová, Hana Vlach, Martin Stulíková, Ivana Smola, Bohumil Daniš, Stanislav Plášek, Jaromír
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	132974
http://linked.open...ai/riv/idVysledku	RIV/00216208:11320/12:10123752
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	DSC; TEM; Al6Mn precipitates; Isochronal annealing; Activation energy (en)
http://linked.open.../riv/klicoveSlovo	Activation energy DSC TEM Al6Mn precipitates Isochronal annealing
http://linked.open...odStatuVydavatele	NL - Nizozemsko
http://linked.open...ontrolniKodProRIV	[93875E3FAF3E]
http://linked.open...i/riv/nazevZdroje	MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING
http://linked.open...in/vavai/riv/obor	BM
http://linked.open...ichTvurcuVysledku	7 (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	548
http://linked.open...iv/tvurceVysledku	Daniš, Stanislav Smola, Bohumil Stulíková, Ivana Vlach, Martin Císařová, Hana Neubert, Volkmar Tanprayoon, Dhritti Gemma, Ryota Piešová, Jaroslava Plášek, Jaromír
http://linked.open...ain/vavai/riv/wos	000304745800005
issn	0921-5093
number of pages	6 (xsd:int)
http://bibframe.org/vocab/doi	10.1016/j.msea.2012.03.063
http://localhost/t...ganizacniJednotka	11320

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