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Statements

Subject Item
n2:RIV%2F00216208%3A11320%2F12%3A10123752%21RIV13-GA0-11320___
rdf:type
skos:Concept n11:Vysledek
rdfs:seeAlso
http://dx.doi.org/10.1016/j.msea.2012.03.063
dcterms: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.
dcterms: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
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
skos:notation
RIV/00216208:11320/12:10123752!RIV13-GA0-11320___
n11:predkladatel
n12:orjk%3A11320
n5:aktivita
n21:P
n5:aktivity
P(GPP107/11/P201)
n5:cisloPeriodika
30.6.2012
n5:dodaniDat
n18:2013
n5:domaciTvurceVysledku
n6:6683576 n6:3937771 n6:9904972 n6:3894118 n6:2971569 n6:9383697 n6:9122427
n5:druhVysledku
n19:J
n5:duvernostUdaju
n16:S
n5:entitaPredkladatele
n7:predkladatel
n5:idSjednocenehoVysledku
132974
n5:idVysledku
RIV/00216208:11320/12:10123752
n5:jazykVysledku
n8:eng
n5:klicovaSlova
DSC; TEM; Al6Mn precipitates; Isochronal annealing; Activation energy
n5:klicoveSlovo
n9:TEM n9:DSC n9:Activation%20energy n9:Al6Mn%20precipitates n9:Isochronal%20annealing
n5:kodStatuVydavatele
NL - Nizozemsko
n5:kontrolniKodProRIV
[93875E3FAF3E]
n5:nazevZdroje
MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING
n5:obor
n20:BM
n5:pocetDomacichTvurcuVysledku
7
n5:pocetTvurcuVysledku
10
n5:projekt
n15:GPP107%2F11%2FP201
n5:rokUplatneniVysledku
n18:2012
n5:svazekPeriodika
548
n5:tvurceVysledku
Smola, Bohumil Tanprayoon, Dhritti Vlach, Martin Císařová, Hana Plášek, Jaromír Gemma, Ryota Piešová, Jaroslava Stulíková, Ivana Daniš, Stanislav Neubert, Volkmar
n5:wos
000304745800005
s:issn
0921-5093
s:numberOfPages
6
n14:doi
10.1016/j.msea.2012.03.063
n4:organizacniJednotka
11320