About: Constrained groove pressing for pure aluminium structure refining

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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	https://s3.amazonaws.com/Metal-Forming-2012/Metal-Forming-2012.pdf
Description	The relationship between the refined structure and properties of commercial purity aluminium (A1199) was investigated by applying constrained groove pressing (CGP) method. The refinement of the coarse grain aluminium microstructure to submicrocrystalline size by large plastic strain at room temperature is carried out. The impact of various effective strains upon microstructure changes is investigated using transmission electron microscopy (TEM) and electron back scatter diffraction (EBSD). A mixture of fine grains, subgrains produced by grains subdivision and already polygonized subgrains formed locally due to dynamic recovery was found in the deformed aluminium in dependence of effective strain applied. The tensile properties and resulting hardness are related to microstructural evolution induced by CGP. A substantial impact of straining upon the increasing in tensile strength was observed after the first pass. Further strain increase had an insignificant effect on tensile strength but was accompanied by ductility loss. The post deformation annealing effect on refined structure modification was then explored with respect to ductility increase. The results indicate that changes in strength and ductility may be related to formation of a bimodal structure. The relationship between the refined structure and properties of commercial purity aluminium (A1199) was investigated by applying constrained groove pressing (CGP) method. The refinement of the coarse grain aluminium microstructure to submicrocrystalline size by large plastic strain at room temperature is carried out. The impact of various effective strains upon microstructure changes is investigated using transmission electron microscopy (TEM) and electron back scatter diffraction (EBSD). A mixture of fine grains, subgrains produced by grains subdivision and already polygonized subgrains formed locally due to dynamic recovery was found in the deformed aluminium in dependence of effective strain applied. The tensile properties and resulting hardness are related to microstructural evolution induced by CGP. A substantial impact of straining upon the increasing in tensile strength was observed after the first pass. Further strain increase had an insignificant effect on tensile strength but was accompanied by ductility loss. The post deformation annealing effect on refined structure modification was then explored with respect to ductility increase. The results indicate that changes in strength and ductility may be related to formation of a bimodal structure. (en)
Title	Constrained groove pressing for pure aluminium structure refining Constrained groove pressing for pure aluminium structure refining (en)
skos:prefLabel	Constrained groove pressing for pure aluminium structure refining Constrained groove pressing for pure aluminium structure refining (en)
skos:notation	RIV/26316919:_____/12:#0000360!RIV13-MSM-26316919
http://linked.open...avai/predkladatel	COMTES FHT a.s.
http://linked.open...avai/riv/aktivita	Z
http://linked.open...avai/riv/aktivity	Z(MSM2631691901)
http://linked.open...vai/riv/dodaniDat	2013
http://linked.open...aciTvurceVysledku	Kraus, Libor Zrník, Jozef
http://linked.open.../riv/druhVysledku	D - Článek ve sborníku
http://linked.open...iv/duvernostUdaju	S - Úplné a pravdivé údaje nepodléhající ochraně podle zvláštních právních předpisů
http://linked.open...titaPredkladatele	COMTES FHT a.s.
http://linked.open...dnocenehoVysledku	128506
http://linked.open...ai/riv/idVysledku	RIV/26316919:_____/12:#0000360
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	Aluminium, severe plastic deformation (SPD), constrained groove pressing, microstructure, properties (en)
http://linked.open.../riv/klicoveSlovo	microstructure properties constrained groove pressing severe plastic deformation (SPD) Aluminium
http://linked.open...ontrolniKodProRIV	[175B0D990029]
http://linked.open...v/mistoKonaniAkce	Leoben, Austria
http://linked.open...i/riv/mistoVydani	Leoben, Austria
http://linked.open...i/riv/nazevZdroje	XXXI. Verformungskundliches Kolloquium
http://linked.open...in/vavai/riv/obor	JG
http://linked.open...ichTvurcuVysledku	2 (xsd:int)
http://linked.open...cetTvurcuVysledku	3 (xsd:int)
http://linked.open...UplatneniVysledku	2012
http://linked.open...iv/tvurceVysledku	Zrník, Jozef Kraus, Libor
http://linked.open...vavai/riv/typAkce	EUR - Evropská
http://linked.open.../riv/zahajeniAkce	2012-02-25 (xsd:date)
http://linked.open...n/vavai/riv/zamer	Kovové materiály se strukturou v submikronové a nanometrické oblasti připravené metodami intenzivní plastické deformace
number of pages	6 (xsd:int)
http://purl.org/ne...btex#hasPublisher	Lehrstuhl fur Umformtechnik, Montanuniversität Leoben
https://schema.org/isbn	978-3-902078-17-9
is http://linked.open...avai/riv/vysledek of	Constrained groove pressing for pure aluminium structure refining

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