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Statements

Subject Item
n2:RIV%2F26316919%3A_____%2F09%3A%230000188%21RIV10-MSM-26316919
rdf:type
n13:Vysledek skos:Concept
dcterms:description
The severe plastic deformation (SPD) was demonstrated as an effective approach to produce ultrafine grained materials. ECAP has emerged as effective deformation method to refine grain size in bulk metallic materials. Aluminium alloys AlMgSi1 was processed by SPD at room temperature to the effective strain εef = 4. Development of deformation substructure and grain refinement after different effective true strain by TEM of thin foils. Deformed substructure analysis showed progressive effect of different processing condition on deformation structure development. The microstructural changes are mainly characterized by evolution of high density dislocation substructure (subgrains) with relative low misorientations at strain below εef = 2. The higher fraction of high angle boundaries were observed at strain εef = 4. A new grains with random crystal orientation are them more frequently developed. Hardness measurement was used to evaluate the mechanical properties of deformed materials. The severe plastic deformation (SPD) was demonstrated as an effective approach to produce ultrafine grained materials. ECAP has emerged as effective deformation method to refine grain size in bulk metallic materials. Aluminium alloys AlMgSi1 was processed by SPD at room temperature to the effective strain εef = 4. Development of deformation substructure and grain refinement after different effective true strain by TEM of thin foils. Deformed substructure analysis showed progressive effect of different processing condition on deformation structure development. The microstructural changes are mainly characterized by evolution of high density dislocation substructure (subgrains) with relative low misorientations at strain below εef = 2. The higher fraction of high angle boundaries were observed at strain εef = 4. A new grains with random crystal orientation are them more frequently developed. Hardness measurement was used to evaluate the mechanical properties of deformed materials.
dcterms:title
Grain refinement in aluminium alloy AlMgSi1 during ECAP at room temperature. Grain refinement in aluminium alloy AlMgSi1 during ECAP at room temperature.
skos:prefLabel
Grain refinement in aluminium alloy AlMgSi1 during ECAP at room temperature. Grain refinement in aluminium alloy AlMgSi1 during ECAP at room temperature.
skos:notation
RIV/26316919:_____/09:#0000188!RIV10-MSM-26316919
n3:aktivita
n15:Z
n3:aktivity
Z(MSM2631691901)
n3:dodaniDat
n9:2010
n3:domaciTvurceVysledku
n14:1968521 n14:2667959
n3:druhVysledku
n8:D
n3:duvernostUdaju
n16:S
n3:entitaPredkladatele
n10:predkladatel
n3:idSjednocenehoVysledku
316630
n3:idVysledku
RIV/26316919:_____/09:#0000188
n3:jazykVysledku
n12:eng
n3:klicovaSlova
Aluminium alloy, severe plastic deformation, ECAP, structure, ultrafine grains, orientation, hardness
n3:klicoveSlovo
n4:Aluminium%20alloy n4:structure n4:ECAP n4:severe%20plastic%20deformation n4:ultrafine%20grains n4:orientation n4:hardness
n3:kontrolniKodProRIV
[BFBD9F888F63]
n3:mistoKonaniAkce
Hradec nad Moravicí, ČR
n3:mistoVydani
Ostrava, ČR
n3:nazevZdroje
18th International Metallurgical and Materials Conference METAL 2009
n3:obor
n18:JG
n3:pocetDomacichTvurcuVysledku
2
n3:pocetTvurcuVysledku
3
n3:rokUplatneniVysledku
n9:2009
n3:tvurceVysledku
Zrník, Jozef Kovařík, Tomáš
n3:typAkce
n17:WRD
n3:zahajeniAkce
2009-01-01+01:00
n3:zamer
n20:MSM2631691901
s:numberOfPages
6
n11:hasPublisher
TANGER, spol s.r.o.
n19:isbn
978-80-87294-04-8